vi

Conveying device and printer

A conveying device includes a first feeder that rotatably supports a roll sheet and feeds the roll sheet to a conveying path, a second feeder that feeds a cut sheet to the conveying path, and a controller that determines whether a sheet fed to the conveying path is the roll sheet or the cut sheet based on the relationship between movement of the sheet fed to the conveying path and rotation of the roll sheet.




vi

Surface treatment equipment including a laser engraving system for treatment of a strip

A surface treatment equipment is designed for forming nickel barriers on a plurality of terminals for preventing solder wicking is disclosed. The surface treatment equipment includes a retractable feeding system, a laser engraving system, an image sensor, and a control system. The retractable feeding system is utilized to transmit a strip that has the terminals. The laser engraving system is utilized to ablate the terminals. The image sensor is utilized to collect a plurality of images of the ablated terminals. The control system receives the images to perform image recognition. When a defective terminal is recognized, the control system controls the retractable feeding system to transmit in reverse and controls the laser engraving system to repeatedly ablate the defective terminal. The defective terminals can be automatically recognized by the image sensor accompanying the control system. Thus, the drawback of a human visual inspection is solved.




vi

Method for controlling at least one machining device which is coupled to a machine tool by means of an encoder signal

A method is disclosed for controlling at least one machining device which is coupled to a machine tool by means of an encoder signal, the machine tool having at least one motion control device. In order to improve the accuracy of the encoder connection, at least one additional variable which characterizes the transport is digitally transmitted from the motion control device to the at least one machining device and is used to correct the encoder signal.




vi

Wire winding-off auxiliary device

To provide a wire unwinding auxiliary device capable of, compared to a conventional device, effectively preventing an unwound wire material from getting twisted, entangled or flawed. A wire unwinding auxiliary device used for guiding an unwound wire material when unwinding the wire material which is wound in a coiled shape. The device comprises a plurality of rotation members 1a-1e on which the unwound wire material is set to run therethrough, and a non-rotation member 2 provided adjacent to at least a rotation member 1a through which the wire material passes first in the plurality of rotation members 1a-1e, thereby a running path of the wire material is stabilized between the non-rotation member 2 and the rotation member 1a.




vi

Methods and devices for transporting a medium in a printing apparatus

A printing apparatus includes: a motor which drives a shaft of a roll body around which a medium is wound, in the feeding direction of the medium; a transport roller which transports the medium fed from the roll body; and a control section which supplies electric power for rotating the roll body to the motor, wherein the electric power that the control section supplies to the motor at the time of the start of the feeding of the medium is larger when the diameter of the medium that is wound around the roll body is R2 (




vi

Debris sweep and dry assist device for strap printing

A debris sweep and dry assist device is for use with a strapping machine. The debris sweep and dry assist device is positioned between the strapping machine and an associated strap supply. The device includes a body having a strap inlet and a strap outlet and defining a strap path therethrough. The body has a first wall at about the strap inlet and a second wall at about the strap outlet. The body has a first manifold and a plurality of first branches extending between the first manifold and the first wall to provide a plurality of flow paths from the first manifold to the environs through the first branches. A compressed is gas directed into the first manifold and flows out of the first branches, and is directed onto strap material at a location at about the strap inlet.




vi

Device and method for supplying continuous strips to a transversal cutting station of the strips

The device (100) is destined to receive flanked continuous strips (1, 2) from an arrival line (L), and feed them towards a transversal cutting station (SR). The device (100) comprises: a basin (3), associated to a terminal part of the arrival line (L), destined to enable formation, in each of the strips (1, 2) of a free loop (A1, A2) in a downwards direction; deviator organs (4), at a 45° angle, provided downstream of the basin (3), destined to guide the strips (1, 2) such as to orientate them perpendicularly to the arrival direction, horizontally centered and correctly staggered in height such as to enter the transversal cutting station (SR).




vi

Method and device for controlling tension applied to a media web

In a web printer, tension on the moving web is controlled by monitoring the tension on the web between two rollers and selectively operating an actuator driving the second roller to restore the tension to an acceptable range. The operation of the actuator includes modulating the speed at which the second roller is driven.




vi

Method and device for detecting PWM wave

A device for detecting a PWM wave, comprising: a PWM wave generating module, configured to generate the PWM wave; a detecting module coupled to the PWM wave generating module, configured to receive the PWM wave and to determine an electric level of the PWM wave; a timer coupled to the detecting module, configured to start a counting when the detecting module receives the PWM wave, and to interrupt the counting when the counting reaches a predetermined value, the detecting module determining whether the electric level of the PWM wave is a high electric level or a low electric level when the counting is interrupted; and a calculating module coupled to the detecting module, configured to calculate a duty ratio of the PWM wave based on a number of high electric level and a number of low electric level of the PWM wave determined within one period of the PWM wave.




vi

Pulse width modulation circuit and pulse width modulation signal generating method having two refresh rates

A PWM circuit that can have two refresh rates, including: a first PWM signal generator and a second PWM signal generator; wherein the first PWM signal generator and the second PWM signal generator respectively control refresh rates in two dimensions of an output data generated from a target apparatus. A PWM signal generation method that can have two refresh rates, including: generating a first PWM signal; generating a second PWM signal; and controlling refresh rates in different dimensions of an output data generated from a target apparatus respectively by using the first PWM signal and the second PWM signal.




vi

Communications transmitter having high-efficiency combination modulator

A communications transmitter includes a baseband processor configured to generate amplitude, angle, in-phase and quadrature baseband signals and a combination modulator that is configurable to modulate in the polar domain and, alternatively, in the quadrature domain. The combination modulator includes a quadrature modulator and a separate and distinct angle modulator that is configured to serve as a local oscillator for the quadrature modulator. In one embodiment of the invention the combination modulator is configured to modulate in the quadrature domain when the transmitter is operating according to a first communications condition (e.g., first transmit power level or first modulation scheme) and is configured to modulate in the polar domain when the transmitter is operating according to a second communications condition (e.g., second transmit power level or second modulation scheme).




vi

Device and method for direct mixing of pulse density modulation (PDM) signals

A device for mixing multiple (N) pulse density modulated (PDM) bit streams of a bit rate, the device comprises an input logic, an error accumulation circuit, an error correction circuit and an adder of more than N bits; wherein the device is arranged to output an output PDM bit stream that represents a mixture of the multiple input PDM bit streams; wherein the output PDM bit stream comprises a plurality of output PDM bits, wherein a certain output PDM bit of a plurality of output PDM bits that form the output PDM bit stream is generated during a certain clock cycle; wherein the input logic is arranged to select, during each fraction of the certain clock cycle, a current bit of a selected PDM bit stream, wherein different PDM bit streams are selected during different fragments of the certain clock cycle; wherein the error accumulation circuit is arranged to store intermediate values during a first fraction till a penultimate fraction of the certain clock signal and to store a last value during a last fraction of the certain clock signal.




vi

Polar transmitter having frequency modulating path with interpolation in compensating feed input and related method thereof

A frequency modulating path for generating a frequency modulated clock includes a direct feed input arranged for directly modulating frequency of an oscillator, and a compensating feed input arranged for compensating effects of frequency modulating on a phase error; wherein the compensating feed input is resampled by a down-divided clock that is an integer edge division of the oscillator. A reference phase generator for generating a reference phase output includes a resampling circuit, an accumulator and a sampler. The resampling circuit is for resampling a modulating frequency command word (FCW) input to produce a plurality of samples. The accumulator is for accumulating the samples to generate an accumulated result. The sampler is for sampling the accumulated result according to a frequency reference clock, and accordingly generating a sampled result, wherein the reference phase output is updated according to at least the sampled result.




vi

Apparatus and method for transmitting and receiving data in a communication or broadcasting system using linear block code

Provided is a method for transmitting data in a communication or broadcasting system using a linear block code by generating a codeword by encoding input information data bits, interleaving the codeword; outputting modulation signal-constituting bits by bit-mapping the interleaved codeword using a bit-mapping table predetermined depending on a modulation scheme and a coding rate, outputting a modulation signal by modulating the modulation signal-constituting bits and transmitting the modulation signal via a transmit antenna.




vi

Frequency modulator having digitally-controlled oscillator with modulation tuning and phase-locked loop tuning

A frequency modulator includes a digitally-controlled oscillator (DCO) arranged for producing a frequency deviation in response to a modulation tuning word and a phase-locked loop (PLL) tuning word. In addition, another frequency modulator includes a DCO and a DCO interface circuit. The DCO is arranged for producing a frequency deviation in response to an integer tuning word and a fractional tuning word. The DCO interface circuit is arranged for generating the integer tuning word and the fractional tuning word to the DCO, wherein the fractional tuning word is obtained through asynchronous sampling of a fixed-point tuning word.




vi

Method of generating driving signal for driving dual mode supply modulator for power amplifier and device thereof

Provided is a method of generating a driving signal for driving a dual mode supply modulator for a power amplifier. The method includes obtaining an envelope of a complex baseband signal to be transmitted, comparing the envelope of the complex signal with a preset threshold value, when a current envelope of the complex signal is the preset threshold value or greater or when there is a result having the preset threshold value or greater in previous N comparisons, outputting a digital board output signal configured with a first logic level through a digital-to-analog converter; and when the current envelope of the complex signal is smaller than the preset threshold value and when there is no result having the preset threshold value or greater in the previous N comparisons, outputting a digital board output signal configured with a second logic level through the digital-to-analog converter.




vi

Transmission device, reception device, transmission method and reception method for wireless communication system

A transmission device for transmitting a signal in a wireless communication system is provided. The transmission device includes: a serial-to-parallel converter configured to convert an input serial bit stream into a parallel bit stream having three bits; and a phase rotation symbol mapper configured to map the parallel bit stream to a symbol having phase rotation characteristics, wherein when the parallel bit stream includes first to third bits, the phase rotation symbol mapper maps the second and third bits to a complex variable and sequentially maps a real number part and an imaginary number part of the complex variable to the front part and the rear part of a symbol in this order or to the rear part and the front part of the symbol in this order.




vi

Modulation method and control device having the same

A modulation method is provided. The modulation method includes the steps of receiving multiple sinusoidal signals, obtaining the maximum value of the sinusoidal signals, obtaining the median value of the sinusoidal signals, and obtaining the minimum value of the sinusoidal signals within a period to generate a difference between the maximum value and the minimum value, generating a difference according to an upper limit and a lower limit of a predetermined comparison value, and comparing the two differences to generate an optimized modulation signal.




vi

Method and device for digital modulation with low transition density

The present invention relates to a digital modulation method and a corresponding modulator. The modulator comprises a transcoder (110) followed by a FIFO register (120) and a 2-PSK modulator (130). The transcoder codes a binary word of fixed size into a code word of variable size using a transcoding table. The transcoding table codes at least one first binary word, leading to a first number of phase transitions at the output of the modulator, into a second word of size greater than that of the first word, leading to, at the output of the modulator, a second number of phase transitions less than the first number of phase transitions.




vi

Oscillators having arbitrary frequencies and related systems and methods

Systems and methods for operating with oscillators configured to produce an oscillating signal having an arbitrary frequency are described. The frequency of the oscillating signal may be shifted to remove its arbitrary nature by application of multiple tuning signals or values to the oscillator. Alternatively, the arbitrary frequency may be accommodated by adjusting operation one or more components of a circuit receiving the oscillating signal.




vi

Method for the phase modulation of a carrier signal transmitted from a transmitter to a contactless transponder, and device for implementing same

A method for phase modulation of a carrier signal from a transmitter to a contactless transponder in which data is coded as consecutive symbols, each corresponding to a predefined number of carrier cycles, and in which a symbol time is at least two cycles of the carrier signal includes, at the transmitter, spreading a phase jump of a symbol in relation to a preceding symbol over a first part of the symbol time. The establishment of the phase jump is completed in the first part of the symbol time. The periods of the cycles are constant during a second part of the symbol time.




vi

ASK modulator and transmitter having the same

A modulator which has a first terminal to receive a carrier signal, a second terminal to receive a first control signal to control a frequency band of the carrier signal and a third terminal to receive a second control signal to control a modulation depth of the carrier signal.




vi

Electromagnetic actuator with magnetic latching and switching device comprising one such actuator

An electromagnetic actuator comprising a core moving between a latched position and an open position, a permanent magnet, a coil designed to generate a first magnetic control flux to move the core from an open position to a latched position, and a second magnetic control flux designed to facilitate movement of the moving core from the latched position to the open position. The permanent magnet is positioned on the moving core so as to be at least partly outside the fixed magnetic circuit in which the first magnetic control flux flows in the open position, and to be at least partly inside the fixed magnetic circuit used for flow of a magnetic polarization flux of the magnet in the latched position.




vi

Driver for switch in gas insulated switchgear and gas insulated switchgear having the same

A driver for a switch in a GIS (Gas Insulation Switchgear) includes a motor, a shaft connected with a moving contact of the switch, a gear connected with one terminal of the shaft and configured to transfer power of the motor to cause the shaft to reciprocate the moving contact through the shaft, a cam spline combined with the shaft and spaced apart from the gear, and a micro-switch connected with the cam spline and configured to control an operation of the motor.




vi

Power transmission device for vacuum interrupter and vacuum breaker having the same

Disclosed are a power transmission device for a vacuum interrupter, and a vacuum breaker having the same. The device includes: a driving link coupled to an adjuster; a driven link coupled to a movable electrode of a vacuum interrupter; connection links configured to connect the driving link and the driven link with each other, and coupled to the driving link and the driven link such that an interval between the driving link and the driven link is varied; cams coupled to the connection links in a perpendicular direction; and cam guides having guide recesses for slidably coupling the cams, and configured to guide the interval between the driving link and the driven link to be changed.




vi

Medium and high-voltage electric switch with return on closure and an insertion device for inserting a resistance

An electric switch for application to high- and very high-voltage circuit breakers and switches comprising a flexible toroidal helical spring (8) placed in a groove of a control rod (1) carrying a movable resistance-insertion contact (2), and springs (4) placed about the movable resistance-insertion contact to cause the springs to be compressed until a certain value is reached, at which value the movable resistance-insertion contact causes the flexible toroidal helical spring (8) to deform under pressure enabling the movable resistance-insertion contact (2) to be withdrawn. Among other uses, the switch is suitable for use in a resistance-inserting device that does not need additional mechanical moving parts. For application to high- and very high-voltage circuit breakers and switches.




vi

Arc chamber for a circuit breaker and circuit breaker having an arc chamber

An arc chamber for a circuit breaker has first and second mounting bodies. The mounting bodies are disposed at the ends of an electrically insulating insulation section of the arc chamber. The insulation section is formed of at least two shell-shaped partial sections. The partial sections are curved concavely relative to a longitudinal axis of the arc chamber. A gap is formed between the edges of the bodies of the partial sections.




vi

Sector gear and gas-insulated switchgear having the same

Provided is a sector gear including: a drive gear having a drive part that forms a part of a circle and has a plurality of teeth and a non-drive part that forms a remaining part of the circle and provides a non-contact angle of at least approximately 90 degrees; first and second movers forming a disconnector and a grounded breaking switch, respectively; and first and second driven gears engaged with the drive gear and respectively engaged with the first and second movers and configured to make the first mover or the second mover operate in conjunction with the drive part of the drive gear according to a direction of rotation of the drive gear, wherein an intermediate angle between the first and second movers is between approximately 90-135 degrees. The present invention can reduce the size of the gas-insulated switchgear having the sector gear.




vi

Switch having two sets of contact elements

An exemplary medium or high voltage switch has a first set of contact elements and a second set of contact elements. Each contact element includes an insulating carrier carrying conducting elements. In the closed state of the switch, the conducting elements align to form one or more current paths between terminals of the switch along an axial direction. For opening the switch, the contact elements are mutually displaced by means of one or two drives along a direction perpendicular to the axial direction. The switching arrangement is arranged in a fluid-tight housing in a gas of elevated pressure or in a liquid. The switch has a high voltage withstand capability and fast switching times.




vi

Packaging system for portable electronic devices with removable faceplates

A removable faceplate for a portable electronic device is provided. The faceplate permits a user to change the physical appearance of a surface of the device while retaining access to the mechanisms for controlling the function of the device. Preferably, the removable faceplate and electronic device are configured with a means for association and dissociation that can be activated without the use of a tool and the means is not visible when the faceplate is attached. Additionally, an improved packaging system is provided to enable a vendor or manufacturer to package faceplates with the devices that they will cover and to allow substitution of faceplates in the packaging without disturbing the packaging of the electronic device itself. Further, there is a method for distribution of the packaging system.




vi

Food container stacking device and system

A food container stacking device comprising: a horizontal member, with a first longitudinal side, a second longitudinal side, a top surface, and a bottom surface, a first corner, second corner, third corner, and fourth corner; the food container stacking device configured to lay on the top surface of a first food container, and further configure to support a second food container on the top surface, thereby allowing for the stacking of the first and second food containers. A food container stacking system, comprising: a first food container; a first food container stacking device configured to lay on the top surface of the first food container, the first food container stacking device comprising: a horizontal member, with a first longitudinal sinusoidal shaped side, a second longitudinal sinusoidal shaped side, a top surface, and a bottom surface, a first corner, second corner, third corner, and fourth corner; a first pin removeably attachable to the first hole, and extending from the bottom surface; a second pin removeably attachable to the second hole, and extending from the bottom surface; a third pin removeably attachable to the third hole, and extending from the bottom surface; a fourth pin removeably attachable to the fourth hole, and extending from the bottom surface, where the first and second pins are configured to lay outside of the perimeter of the first food container, and where the third and fourth pins are configured to lay outside of the perimeter of the first food container, on an opposite side of the first food container.




vi

Structure of inflatable packaging device

A packaging device includes first and second thermoplastic films superposed with each other, wherein predetermined portions of the thermoplastic films are bonded creating a plurality of fluid containers, a plurality of check valves each connected to a corresponding fluid container, a fluid passage in a first direction connected to the check valves, and a second border between an inflated section including the plurality of fluid containers and an uninflated section, wherein the first and second thermoplastic films are folded and two side edges of the films are bonded and a first portion of a first border connecting the inflated section to a second section is folded and an overlapped portion of the first portion is bonded leaving a remaining portion of the first border unbonded wherein the uninflated section forms a loop, and wherein the uninflated section forming the loop is folded into the inflated section to form a lining.




vi

Assembly for the preparation of a medical device having a coating comprising hydrogen peroxide

The present invention provides an assembly for the preparation of a medical device having a porous coating comprising hydrogen peroxide. Particularly interesting medical devices are catheters (such as urinary catheters), endoscopes, laryngoscopes, tubes for feeding, tubes for drainage, guide wires, condoms, urisheaths, barrier coatings e.g. for gloves, stents and other implants, extra corporeal blood conduits, membranes e.g. for dialysis, blood filters, devices for circulatory assistance, dressings for wound care, and ostomy bags. The coating is in particular a hydrophilic coating formed from cross-linked polyvinylpyrrolidone. In one embodiment, the assembly holds a dry catheter element in one compartment of a package and an aqueous hydrogen peroxide solution in another compartment. The solution may also comprise stabilizers, e.g. chelators, and osmolality increasing agents. The catheter for insertion in the urethra is useful for the treatment, alleviation or prophylaxis of microbial infections such as urinary tract infections (UTI).




vi

Housing shell for portable electrical devices and method for the production thereof

A housing shell for electrical measuring, controlling and communication devices, in particular the lower housing part of a cellphone, has very great flexural and torsional rigidity in spite of an extremely small wall thickness if it is formed as a part created by a forming operation from the planar blank of a thermoplastically impregnated long-fibered multi-layered mat. Fine-membered functional elements of likewise thermoplastic material are then molded onto the housing shell in an injection mold.




vi

Holder for portable electronic device

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.




vi

Tamper-evident package

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.




vi

Device and method for sanitary can packaging

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.




vi

Container having transparent optical element

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.




vi

Multi-compartmented sandwich storage device

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.




vi

Multifunctional case for portable electronic device

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.




vi

Communications device including radio frequency (RF) signal blocking layer for near-field communication (NFC) device and related methods

A communications device may include a near-field communication (NFC) circuit device, and a radio frequency (RF) signal blocking member adhesively coupled with the NFC device. The RF signal blocking member may be configured to block RF signal communication by the NFC device while coupled therewith. The RF signal blocking member may comprise an electrical conductor. In accordance with an example, the RF signal blocking member may comprise a frangible layer. In another example, a pressure sensitive adhesive layer may be included for adhesively securing the RF signal blocking member with the NFC device.




vi

Making bound document having fastener and spacer

Sheets are bound to form a bound document by fastening together the sheets and a binding strip. A spacer is applied to a back sheet adjacent to the feet of the fasteners. A wraparound portion of the binding strip is folded around the spine edges of the sheets so that adhesive on the strip contacts the spacer or the back sheet farther from the spine than the feet of the fasteners. The adhesive is affixed to the back sheet. The binding strip includes a spacer adjacent to the heads of the fasteners, protruding above the face-attachment portion at least as far as the heads of the fasteners do.




vi

Device for holding sheets in a binder which form a folded stack

The invention relates to a device for holding sheets in a binder which form a folded stack, comprising a holding element (3) connected to the spine (2) of the binder (1). According to the invention, the holding element (3) engages behind the innermost sheet of the stack (4) at its fold (9).




vi

Apparatus and device for providing book protection

A book protection apparatus and method are provided, that include a pair of substantially right angled sheets configured in a parallel fashion, the sheets being joined by a joining mechanism having a tension setting mechanism configured between the pair of sheets, to enable forcibly coupling the binding device to a coupled corner of a book.




vi

Response form security device

A response form security device is provided for use with a generally planar response form having an answer area bearing answer blanks upon which a respondent makes marks to indicate a plurality of responses. The security device includes a sleeve adapted and constructed to slidably receive and cover the response form. An access window is formed in the sleeve, and permits visual access by the respondent to a number of fewer than all of the answer areas of the response form. The length of the sleeve and the configuration of the answer window are chosen so as to prevent anyone other than the user from seeing a number of marks on the answer area sufficient to observe a repeatable pattern of marks.




vi

Magnetic organizing and attachment device

An organization and attachment device for detachably holding an insert. The device includes a first section with a first magnet section, a second section with a second magnet section, and a connecting section joining the first section and second section. The device also includes a linking device engaged with the connecting section. The linking device includes a linking member with a first end and a second end, and a first fastener connected to one of the ends of the linking member. The holding device can be arranged in multiple positions in which the linking device is stored. In each position in which the linking device is stored, the linking device is held in place by at least one of the magnet sections. In one position in which the linking device is stored, the linking device is completely enclosed by the first and second magnet sections.




vi

Bound document having binding strip with spacer

A bound document has front, back, and interior sheets with spine edges. The document has a binding strip and fasteners binding the sheets and the binding strip together. The strip has a flexible substrate with a face-attachment portion through which the fasteners are driven, and a wraparound portion that is bent so adhesive on the wraparound portion contacts the back sheet farther from the spine edge of the book than the feet of the fasteners. The strip also has a first spacer affixed to the interior surface opposite the face-attachment portion so that a fastener area is defined, the spacer at least as thick as the protrusion of the heads of the fasteners above the face-attachment portion.




vi

Producing bound document having inner cover sheet

A bound document having a plurality of sheets is produced. Image data for a cover image is received and dividing along a sheet-edge curve into first and second image portions. The first image portion is printed on an inner cover sheet so that an alignment location is defined on the inner cover sheet corresponding to the sheet-edge curve. The inner cover sheet and the plurality of sheets are bound together. The second image portion is printed on an outer cover sheet, and is printed borderlessly with respect to a selected edge of the outer cover sheet. After the binding step, the outer cover sheet is affixed to the inner cover sheet so that the selected edge aligns with the alignment location to form the bound document.




vi

Booklet stacker, ring-binding device, ring-binding system, and booklet stacking method

A booklet stacker to stack multiple booklets each bound with a ring member includes a stack tray on which multiple booklets are stacked, a shifter disposed upstream from the stack tray in a booklet conveyance direction in which a booklet is conveyed, the shifter to adjust a position of the booklet in a width direction perpendicular to the booklet conveyance direction by shifting the booklet a distance shorter than a ring pitch of the ring member in the width direction, and a booklet conveyer disposed upstream from the stack tray in the booklet conveyance direction, to convey the booklet positioned by the shifter to the stack tray.




vi

Differential circuit compensated with self-heating effect of active device

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.