world news Packet of cigarettes, and method of producing a packet of cigarettes By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT A packet (1) of cigarettes having: an inner package (2) defined by a group (30) of cigarettes wrapped in a sheet (29) of wrapping material having at least one tear line (32) defining a tear-off top portion (31); an inner container (4) housing the inner package (2) and having an extraction opening (10) for access to the tear-off top portion (31); an outer container (5) housing the inner container (4) in sliding manner, to allow the inner container (4) to slide, with respect to the outer container (5), between a closed position, in which the inner container (4) is inserted inside the outer container (5), and an open position, in which the inner container (4) is extracted partly from the outer container (5); and a tear-off lid (45) connected to the inner container (4) by at least one tear line (48), and covering at least part of the extraction opening (10). Full Article
world news Ergonomic garment carrier By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT An ergonomic garment carrier which accommodates garments such as suit shirts, jackets, pants and skirts as well as other items a traveler would typically transport or store. Full Article
world news Credit-card-sized carrier of both standard and micro form-factor flash-memory cards By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT A multi-standard flash-memory-card carrier is about the same size as a thick credit card and fits into a wallet. The multi-standard flash-memory-card carrier has bays that accept flash-memory cards. Larger bays on one side receive SD cards and a Memory Stick Duo card, while micro bays on another side of the carrier receive microSD cards and Memory Stick Micro cards. A carrier spine sandwiched between top and bottom covers has openings forming the bays. Spring-clip tabs on spring-clip fingers fit into notches on the side of the flash-memory cards to secure the flash-memory cards into the multi-standard flash-memory-card carrier to prevent loss. The spring-clip fingers are movable parts of the carrier spine that are deformed during insertion of the flash-memory cards. Both micro and standard flash-memory cards can be carried in the same multi-standard flash-memory-card carrier that can be placed in plastic sleeves for credit cards in a person's wallet. Full Article
world news Foldable packaging for flat media By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT A novel packaging for flat media having substantially square panels wherein at least one of the panels is adapted to form a compartment for storing a phonographic record, an audiovisual record or any flat media. The arrangement of the square panels enables the package to be folded in a compact, flat configuration for ease of storage and shipping. When erected, the package forms a cube that could be used as additional storage. The cube may be erected with either of the sides of the panels visible so as to afford greater opportunity for display. Full Article
world news Postal mailer for stress-sensitive articles By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT Protective mailer capable of being processed by postal processing equipment without causing damage to the article held by the mailer. The pocket holding the article inside the mailer is offset relative to one edge, when folded, by a distance sufficient to prevent damage when the mailer is oriented and processed. The mailer may include a resizing flap that, when unfolded and deployed, changes the dimensions of the mailer so that the mailer is processed by the postal processing equipment as a non-letter or flat mailpiece. Full Article
world news Holder for portable electronic device By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT A holder is for supporting a portable electronic device, including at least one sheet. A base portion, a first supporting portion and a second supporting portion formed on the at least one sheet. The base portion, the first supporting portion and the second supporting portion are parallel with each other and folded relative to each other. A latching piece is formed on the base portion, the latching piece having a bendable portion. The first supporting portion is folded relative to the base portion, and the second supporting portion is folded relative to the first supporting portion until the second supporting portion is held by the latching piece, the base portion, the first supporting portion and the second supporting portion cooperatively form a three-dimensional structure that can support the portable electronic device at an angle relative to the at least one sheet without collapsing. Full Article
world news Knife sheath By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT A sheath for a knife is ventilated or is formed with gaps in a way that sand and other debris cannot collect to dull the knife's blade. The sheath holds the knife, protects and safely covers the sharp edge, but does not provide a surface for abrasive sand to dull the edge. The sheath can include front and rear panels, held together with a plurality of spacers disposed between the panels. The spacers can be rounded to as to minimize contact between the spacers and the blade of the knife. Full Article
world news Catheter assembly/package utilizing a hydrating/hydrogel sleeve and a foil outer layer and method of making and using the same By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT A catheter assembly including an elongate member having a proximal end and a distal end. The distal end has at least one drainage opening. A hydrophilic coating is provided on at least a portion of the elongate end of the catheter. A fluid containing member is provided and is either arranged on the elongate member or within a separate area of the container. The fluid containing member contains sufficient hydrating fluid to hydrate the coating of the catheter. A container contains the elongate member and the fluid containing member and incorporates at least one foil layer to prevent evaporation of the hydrating fluid. A method of using the catheter includes inserting a catheter into a user's body and draining fluid from the user's body. Full Article
world news Tool packaging By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT An insertion tool packaging, includes a main body that has at least one hanging region, at least one viewing region, and at least one receiving region, which is configured at least substantially to receive at least one insertion tool. The packaging further includes at least one protective element, which is configured to at least substantially protect a user against injury. Full Article
world news Pharmacy bottle system and method By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT A pharmacy bottle system includes a bottle and a ring. The bottle is formed as a single piece of molded plastic material and includes a body and a neck. The body defines an interior cavity. The interior cavity extends from a first end to a second end of the interior cavity. The body includes a spine portion covering the first end of the interior cavity. The spine portion defines a spine width measured from a front to a back of spine portion. The neck extends from the second end of the interior cavity and has an opening therethrough providing access to the interior cavity. The ring is secured about the neck of the bottle. The ring defines a ring width measured between a front and a back of the ring. The ring width is larger than the spine width. The neck extends above a top surface of the ring. Full Article
world news Sterilizable pouch By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT A sterilizable pouch for surgical instruments includes a sterilant permeable sheet with a first sealing strip and a sterilant impermeable sheet with a second sealing strip. The sealing strips are sealed together to define the pouch. At least one sealable open portion is for sealing the pouch after surgical instruments are located inside the pouch. An indicator material for indicating sterile processing conditions inside the pouch is located on an inner surface of the sterilant impermeable sheet inside the pouch. Full Article
world news Tamper-evident package By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT Tamper-evident package comprises a container, a primary cap, and a secondary cap. The container comprises a sidewall defining a chamber and a rim defining a mouth to the chamber. The primary cap is removably-attachable to the rim of the container to selectively close the mouth of the container. The secondary cap is positioned over the primary cap to prevent removal of the primary cap when positioned thereover. The secondary cap includes a single-use lock, such as a cable tie, to secure the secondary cap in position over the primary cap. The package thus provides evidence that someone has tampered with or attempted to tamper with the container if the single-use lock is removed or damaged. Method of using the tamper-evident package is also disclosed. Full Article
world news Infection prevention system with IV pole flush and swab caddy By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT A bed-side system for preventing infection that uses a flush and swab caddy attached to an IV pole or other bed-side equipment. By providing convenient and secure storage for pre-filled syringes, alcohol swabs, and other medical supplies, it can improve individual patient care. In an embodiment, the caddy attaches to the IV pole and comprises a locking compartment for pre-filled syringes and an open tray for alcohol swabs and other medical supplies. The syringes may be filled with saline, heparin, or another solution. Full Article
world news Wall-mounted expandable toilet tissue roll storage means By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT A toilet tissue roll holder is provided having a telescoping structure that is attachable to a wall surface for providing replacement toilet tissue to a dispenser and shrouding unused rolls prior to deployment. The device includes a lowermost housing having a base surface, rounded sidewalls, an interior volume, and an open front. The lowermost housing connects to a first upstanding sidewall thereabove, which in turn supports a plurality of telescoping sidewalls that form individual toilet tissue roll containers extending upward. A viewing window is provided through at least one of the device sidewalls above the lowermost housing to allow an administrator to visualize whether a minimum number of reserve toilet paper rolls are still available. The structure is expanded and contracted depending on the number of rolls therein, while the lowermost housing and first upstanding sidewall provide the base structure that is secured to a support wall. Full Article
world news Carton with handle By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT A carton for containing a plurality of articles. The carton comprises panels that extend at least partially around an interior of the carton. The panels comprise a top panel, a bottom panel, a first side panel, and a second side panel. The carton has a reinforced handle for grasping and carrying the carton. Full Article
world news Methods of treating cancer of the central nervous system By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT A method of treating a cancer of the central nervous system in a subject in need thereof is provided. The method comprising administering to the subject a therapeutically effective amount of an agent which reduces blood glutamate levels and enhances brain to blood glutamate efflux to thereby treat the cancer of the central nervous system in the subject. Full Article
world news Bottled beverage comprising cap containing dietary supplement and bottle filled with dispersion medium for dietary supplement By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT A bottled drink includes a cap and a bottle where a granular supplement containing multiple constituents in a stable manner is stored in the cap and a solution suitable for dispersing the granules is filled in the bottle. Granules which contains mutually incompatible multiple chemical agents or nutritional constituents and whose surface is coated with polyglyceryl fatty acid ester are stored in the cap of the bottle and the bottle is filled with a solution whose viscosity at a shear deformation speed of 0.01 s−1 is 10 to 300 Pa·s. Full Article
world news Reversible folio for tablet computer with reversible connection for keyboard and reading configuration By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT A reversible folio for a tablet computer has a tablet shell with a cavity removably receiving the tablet computer. A keyboard is pivotally and removably coupled to the tablet shell. A channel is pivotally coupled to an edge of the keyboard. An interior of the channel removably receives the proximal edge of the tablet shell, and has a profile mating with a profile of the tablet shell. The channel and proximal edge have first and second symmetrical magnet arrays, respectively. The proximal edge of the tablet shell physically mates with the channel of the keyboard, and the second magnet array of the tablet shell magnetically mates with the first magnet array of the channel, in both a first orientation and an opposite second orientation. Full Article
world news Ammunition packaging By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT The present invention is directed to an ammunition package that includes a container having a bottom panel and an attached side panel. The inner face of the bottom panel is formed having a plurality of cartridge receiving sockets. An inner lid, foldable between an open position and a closed position, is attached at an upper edge of the container. Similarly an outer lid is attached to the container, in such a manner that the outer lid is foldable over the inner lid. In a preferred embodiment, an inner face of the inner lid is formed having a plurality of upper cartridge receiving sockets that align with the lower cartridge receiving sockets when the inner lid is positioned in the closed position. In the preferred embodiment, an upper face of the inner lid is formed as a tray when the inner lid is in the closed position. Full Article
world news Device and method for sanitary can packaging By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A method for sanitary beverage can packaging incorporates a plastic sanitation sheet between the tops of the beverage cans and a plastic can retainer. The sanitation sheet covers the tops of the cans, protecting them from dust and overhead spills. Some embodiments use a watertight or airtight seal of the sanitation sheet around the can rim. Some embodiments include visible indicators of seal breakage or direct contamination, using moisture or oxygen detection. Some indicators create a hole in the sanitation sheet. Other indicators provide visible warning text or symbols. The sheet and indicators provide both actual contaminant protection and visible indication of contamination. Embodiments include the plastic sanitation sheet, integration with beverage cans, and a method for use in providing assured sanitary cans to consumers. Full Article
world news Wearable cleaning articles and container By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A container has a base and walls connected to the base to define an interior space. The walls have upper edges that terminate in a plane and define an opening for access to the interior space. Wetted donnable articles are stacked within the container, each article in a flat configuration at least partially perpendicular to the opening permitting withdrawal of any one of the donnable articles through the opening in a flat configuration. Walls on opposing sides of the base of the container diverge from each other with increasing distance from the base, such that the interior space widens gradually toward the opening. Walls on other opposing sides of the base have lower portions connected to the base and upper portions connected to the lower portions by steps that lengthen the interior space abruptly. Full Article
world news Folding utility surface with built in containers By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT The present invention relates to utility surfaces. Specifically, the invention relates to a utility surface, generally a table or other flat surface, with drawers attached to the utility surface. In preferred embodiments of the present invention, the utility surface and attached drawers may be folded into a collapsed format that is convenient for portability. Full Article
world news Portable golf club carrier By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A golf caddie device is disclosed that is designed for carrying golf equipment. The golf caddie device comprises a support rod having a spike and an ergonomically shaped handle. The golf caddie device also comprises a ball holder, a first cylinder comprising up to five openings for retaining golf clubs, and a second cylinder comprising up to five openings for retaining golf club shafts. Golf clubs are inserted into the golf caddie device by inserting the shaft part of the golf club through one of the first cylinder openings and into one of the openings of the second cylinder, thus, retaining the golf clubs within the golf caddie device. Full Article
world news Blow-molded package for a catheter By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A package for a medical device having an elongated shaft and a proximal luer fitting includes a one-piece body formed as a single structure via blow molding. The blow-molded one-piece body includes at least a spiral casing formed therein, the spiral casing defining a spiral lumen configured to receive the elongated shaft of the medical device. Webbing is disposed between adjacent curved portions of the spiral casing. The one-piece body formed via blow-molding may also include a removable reversible loading tube, a luer retainer, a cannula holder, one or more slots for attaching an information card thereto, a fastener for clipping the medical device thereto, and a compartment for holding an oxygen scavenger. Further, the one-piece body formed via blow-molding may include non-circular lumens and may be configured to receive multiple medical devices. Full Article
world news Containers and components thereof for use in the medical industry and methods to manufacture the same By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT Containers and components thereof for use in the medical industry and methods to manufacture the same are described. An example tab for use with a medical container includes opposing sheets sealed to define an open ended chamber into which a port is to be at least partially positioned. The port is to enable access to the medical container. The tab includes a tear seal defined by each of the opposing sheets and a first guide positioned on a first side of each of the tear seals. The tab includes a second guide positioned on a second side of each of the tear seals, wherein the first and second guides are to enable a tear to propagate substantially between the guides and adjacent the tear seals. Full Article
world news Packing box used for accommodation of plate bodies By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT The present invention relates to a packing box for accommodation of plate bodies, which comprises a backplane, and a side plate vertically arranged at the periphery of the backplane, the plate body including a main body, and a PCB plate connected through a flexible sheet to the edge of the main body, a positioning member being further arranged in the space enclosed by the backplane and the side plate for preventing the PCB plate from moving relative to the main body. The positioning member of the present invention can prevent the PCB plate from moving relative to the main body of the plate body, playing a role in protecting the circuit on the flexible sheet and having low costs. Full Article
world news Container having transparent optical element By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A container (10) for consumer goods comprises a first panel (16) having a pattern (22) applied to an area (20) of the external surface thereof; and a second panel (26) comprising a transparent optical element. The first panel (16) and the second panel (26) are moveable relative to each other between a first position, in which the transparent optical element in the second panel (26) does not overlie the pattern (22) on the first panel (16), and a second position, in which the transparent optical element in the second panel (26) at least partially overlies the pattern (22) on the first panel (16), whereby an altered image of the pattern is visible through the transparent optical element. Full Article
world news Stackable cup By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A stackable cup having a rigid handle with an open top, the open top shaped and dimensioned to receive a complementary handle of a stackable cup of the like such that one or more cups may be angularly stacked, the cup having a lip projecting from the open top and extending outwardly to a circular rim, which in turn extends downwardly to define the drinking cup. Full Article
world news Packaging box with test strips and gripper assembly thereof By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A packaging box with test strips is provided for a gripper to grip the test strips, and the gripper has a gripping section and a conductive terminal in the gripping section, and the packaging box includes a main body and a test strip. The main body has an embedded groove including a port with a shape corresponding to the shape of the gripping section, and the port is provided for inserting the gripping section. The test strip has a conductive area defined on a surface of the test strip, and the test strip is contained in the embedded groove, wherein the gripping section is coupled to the port, and the conductive terminal is electrically coupled to the conductive area. With the packaging box, the test strips can be taken out conveniently and quickly. Full Article
world news Multi-compartmented sandwich storage device By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A multi-compartmented food storage device having a top hermetic storage compartment, a bottom hermetic storage compartment and a central hermetic storage compartment that is interposed there between. Each of the top and bottom compartments being hingedly secured to the central compartment along an upper and lower end. Full Article
world news Multifunctional case for portable electronic device By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A multifunctional case is configured for receiving or supporting a portable electronic device. The case includes a first layer and a second layer. The second layer is connected to the first layer by the edges. A receiving space is formed between the first and second layers for receiving the portable electronic device. The second layer is provided with a base portion, a main supporting portion, two side supporting portions and two remaining portions are formed on the second layer. The two side supporting portions and the remaining portions are symmetrically positioned at two sides of the main supporting portion. When the case is folded up as a support, the main supporting portion is angled with the base portion. The remaining portions are stacked on the base portion. The side supporting portions are perpendicular to the remaining portions and the main supporting portion. Full Article
world news Children's tray with placement indicator By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A children's tray with a placement indicator includes a tray and a groove/spot formed in the tray to indicate where an eating item (including food, utensils, or dishware) is to be placed. The tray can be mounted, removably or fixedly, to a variety of child support structures, including high chairs, booster seats and bouncers and includes a wall around the periphery intended to prevent items from falling off of the tray. The groove/spot formed in the tray may be formed from of a material having a higher coefficient of friction than the material used to form the tray. The groove/spot formed in the tray may be formed from of a material having a different color than the material used to form the tray. Full Article
world news SMT tape By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A SMT tape includes a carrier tape, a number of separation pads, a number of workpieces, and a package tape. The carrier tape includes a package surface and defines a number of receiving grooves in the package surface and arranged along a length direction of the carrier tape. The separation pads are received in the receiving grooves and fixed to bottom surfaces of the receiving grooves respectively. Each separation pad includes a separation surface opposite to a bottom surface of the corresponding receiving groove and a number of protrusions protruding up from the separation surface. The workpieces are respectively received in the receiving grooves. Each workpiece includes a main body and an adhesive layer positioned between the corresponding separation pad and the main body. The package tape is adhered to the package surface and seals the receiving grooves. Full Article
world news Propofol formulations with non-reactive container closures By www.freepatentsonline.com Published On :: Tue, 07 Jul 2015 08:00:00 EDT A container storing an anesthetic is disclosed. The container is sealed by a closure and stores a liquid anesthetic solution. The anesthetic is from 0.1% to 10% by weight of the liquid anesthetic solution. The container is made of a material that is inert to the anesthetic and the closure is made of siliconized rubber or a metal. A concentration of the anesthetic in a liquid anesthetic solution stored in the container following a predetermined time period is at least 93% of a concentration of the anesthetic in a liquid anesthetic solution before the liquid anesthetic solution is stored in the container. Full Article
world news Housing for encasing an object By www.freepatentsonline.com Published On :: Tue, 21 Jul 2015 08:00:00 EDT An apparatus and system for housing a device include a housing that is configured such that a device may be fitted within the housing and thereby be protected, such as from shocks and/or liquid. The housing may include top and bottom members that may be removably coupled together so as to form the housing. Each top and bottom member optionally includes front and back surfaces surrounded by a perimeter. The perimeter is defined by proximal and distal ends as well as opposing sides. The top and bottom members may include respective clasping mechanisms that extend along the perimeter of the top and bottom members. The clasping mechanisms are configured for coupling the top and bottom members with one another thereby sealing the housing, for instance, in a shock-proof and/or water tight seal. Full Article
world news Storage case for pharmaceutical syringe unit By www.freepatentsonline.com Published On :: Tue, 25 Aug 2015 08:00:00 EDT A storage case (100) for storing a pharmaceutical syringe unit (4) that is mounted to a pharmaceutical administering device (8) comprises a base body (1) that is open at its upper face, and a cover (2) for covering the opening in the base body (1). The base body (1) has in its interior a concave portion (5) that holds the cylindrical pharmaceutical syringe unit (4). The concave portion (5) has holders (6) that hold two ends of the pharmaceutical syringe unit (4), and a center concave portion (7) for attaching and removing the pharmaceutical syringe unit (4) and being provided in a position that corresponds to the main body portion of a stored pharmaceutical syringe unit (4). The center concave portion (7) further has a bottom part positioned lower than the holders (6), and is formed such that the pharmaceutical administering device (8) can be disposed in an upright position. Full Article
world news Dynamic cancellation of passive intermodulation interference By www.freepatentsonline.com Published On :: Tue, 05 May 2015 08:00:00 EDT A wireless communication node (10) dynamically estimates passive intermodulation (PIM) interference coupled into the node's receive path from the transmission of a composite signal through the node's transmit path. The node (10) then cancels the estimated PIM interference in the receive path. In some embodiments, the node dynamically estimates the PIM interference as a function of the composite signal that models PIM interference generation and coupling in the node (10) according to one or more coefficients (30). The coefficients (30) may be determined by transmitting a test signal (34) during a test stage, when the node (10) is not scheduled to receive any signal. Later, when the composite signal (18) is transmitted, the node (10) uses the coefficients (10) to dynamically estimate and cancel the resulting PIM interference. Full Article
world news Electrosurgical apparatus with real-time RF tissue energy control By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT A radio-frequency (RF) amplifier having a direct response to an arbitrary signal source to output one or more electrosurgical waveforms within an energy activation request, is disclosed. The RF amplifier includes a phase compensator coupled to an RF arbitrary source, the phase compensator configured to generate a reference signal as a function of an arbitrary RF signal from the RF arbitrary source and a phase control signal; at least one error correction amplifier coupled to the phase compensator, the at least one error correction amplifier configured to output a control signal at least as a function of the reference signal; and at least one power component coupled to the at least one error correction amplifier and to a high voltage power source configured to supply high voltage direct current thereto, the at least one power component configured to operate in response to the control signal to generate at least one component of the at least one electrosurgical waveform. Full Article
world news Method and circuit arrangement for controlling current in motors By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT A method and circuit arrangement for controlling the motor current in an electric motor, in particular a stepper motor, by a chopper method is provided. In the method/circuit arrangement, the motor is operated with a coil current that follows a target coil current substantially more accurately at least at the zero crossing of the coil current. The method/circuit arrangement provides a good symmetry of the sinusoidal wave shape of the coil current with respect to the zero crossing of the coil current. The method is achieved in particular by the active control of the coil current both in the direction of a predefined target coil current and opposite the direction of the predefined target coil current with respect to upper or lower desired current values and a lowering or increasing of the upper or lower desired current values. Full Article
world news RF channel amplification module with instantaneous power limiting function By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT A radio frequency channel amplification module for communication satellite, comprises an input configured to convey an input radio frequency signal, an output configured to restore a pre-amplified output radio frequency signal intended to power a travelling wave tube amplifier that can be equipped with linearization means with predistortion, at least one first upstream gain control module arranged downstream of the input and one second downstream gain control module arranged downstream of the first upstream gain control module and upstream of any linearization means by predistortion. The channel amplification module also comprises an instantaneous power limiter intended to clip the peaks of the input radio frequency signals with a level exceeding a determined threshold value, the instantaneous power limiter being arranged in series between said first upstream gain control module and said second downstream gain control module. Full Article
world news Linearization circuit and related techniques By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT Circuits and techniques to linearize the operation of an RF power amplifier are described. A linearizer circuit may include a non-amplification signal path which includes a delay line and an amplification signal path which includes at least one amplifier stage. In some embodiments, the amplification signal path may include an odd number of amplification stages. The linearizer may be used to precondition an input signal of an RF power amplifier in a manner that improves the overall linearity of operation. Full Article
world news Overlay class F choke By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT Embodiments of the present disclosure relate to an overlay class F choke of a radio frequency (RF) power amplifier (PA) stage and an RF PA amplifying transistor of the RF PA stage. The overlay class F choke includes a pair of mutually coupled class F inductive elements, which are coupled in series between a PA envelope power supply and a collector of the RF PA amplifying transistor. In one embodiment of the RF PA stage, the RF PA stage receives and amplifies an RF stage input signal to provide an RF stage output signal using the RF PA amplifying transistor. The collector of the RF PA amplifying transistor provides the RF stage output signal. The PA envelope power supply provides an envelope power supply signal to the overlay class F choke. The envelope power supply signal provides power for amplification. Full Article
world news Differential circuit compensated with self-heating effect of active device By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT A differential circuit with a function to compensate unevenness observed in the differential gain thereof is disclosed. The differential circuit provides a low-pass filter in one of the paired transistors not receiving the input signal in addition to another low-pass filter that provides an average of output signals as a reference level of the differential circuit. The cut-off frequency of the filter is preferably set to be equal to the transition frequency at which the self-heating effect explicitly influences the trans-conductance of the transistor. Full Article
world news Operational transconductance amplifier with increased current sinking capability By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT An amplifier circuit includes an input terminal and an output terminal. A current sinking transistor includes a first conduction terminal coupled to the output terminal and a second conduction terminal coupled to a reference supply node. A voltage sensing circuit has a first input coupled to the input terminal and a second input coupled to the output terminal. An output of the voltage sensing circuit is coupled to the control terminal of the current sinking transistor. The voltage sensing circuit functions to sense a rise in the voltage at the output terminal which exceeds the voltage at the input terminal, and respond thereto by activating the current sinking transistor. Full Article
world news System and method for pre-charging a current mirror By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT A system for pre-charging a current minor includes a controller configured to provide a first current and an additional current to a current minor to rapidly charge a capacitance associated with the current minor based on a reference voltage or control signals. A power amplifier module includes at least one current minor and a controller. A capacitor is coupled to the current minor. The controller provides a bias current in an amount proportional to an input to a voltage-to-current converter. The controller receives a control signal that directs the controller to apply one of a pre-charge voltage and a nominal voltage to the voltage-to-current converter. Full Article
world news Dual-band high efficiency Doherty amplifiers with hybrid packaged power devices By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT An amplifying structure includes a main amplifier configured to amplify a first signal; and a peak amplifier configured to amplify a second signal, each of the main amplifier and the peak amplifier including, respectively, a hybrid power device, the hybrid power device including, a first power transistor die configured to amplify signals of a first frequency, and a second power transistor die configured to amplify signals of a second frequency different than the first frequency. Full Article
world news Two mode power converter for audio amplifiers By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT A power converter with positive and negative supply rail outputs for feeding a single ended class D amplifier, the converter comprising a transformer arrangement, a supply pump reduction arrangement connected between the secondary windings and the positive and negative supply rail outputs, and a boost drive mode switching arrangement. A controller is adapted to control the power converter in a negate drive mode and a boost drive mode, wherein the output voltage in the boost mode is increased by means of the transformer and the boost drive mode switching arrangement. The output voltages on the positive and negative rails can be generated at two different output voltage levels without changing the duty cycle or dead time of the control signals. Full Article
world news Input receiver circuit having single-to-differential amplifier, and semiconductor device including the same By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT An input receiver circuit including a single-to-differential amplifier and a semiconductor device including the input receiver circuit are disclosed. The input receiver circuit includes a first stage amplifier unit and a second stage amplifier unit. The first stage amplifier unit amplifies a single input signal in a single-to-differential mode to generate a differential output signal, without using a reference voltage. The second stage amplifier unit amplifies the differential output signal in a differential-to-single mode to generate a single output signal. Full Article
world news Transimpedance amplifier (TIA) circuit and method By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT A TIA circuit and method are provided that merge the automatic gain control function with the bandwidth adjustment function to allow the TIA circuit to operate over a wide dynamic range at multiple data rates. The TIA circuit has an effective resistance that is adjustable for adjusting the gain and the bandwidth of the TIA circuit. The mechanism of the TIA circuit that is used to adjust the effective resistance, and hence the gain and bandwidth of the TIA circuit, is temperature independent, and as such, the performance of the TIA circuit is not affected by temperature variations. Full Article
world news Multiple E-probe waveguide power combiner/divider By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT A power combiner/divider having a waveguide, a plurality of amplifiers disposed on a supporting structure, a plurality of probes, each one having a first end electrically coupled to an output of a corresponding one of the plurality of amplifiers and a second end projecting outwardly from the supporting structure and into the waveguide. The probes are disposed in a common region of the waveguide. The region has a common electric field maximum within the waveguide. A first portion of the probes proximate the sidewalls have lengths different from a second portion of the probes disposed in a region distal from the sidewalls of the waveguide. The waveguide is supported by the support structure. The power combiner is a monolithic microwave integrated circuit structure. Full Article