at Apparatus and method for rapid and precise application of cosmetics By www.freepatentsonline.com Published On :: Tue, 28 Apr 2015 08:00:00 EDT A method for selectively applying a reflectance modifying agent (RMA) to an area of skin, the method comprising receiving an image of the area of skin, identifying, using the image, a nominated point within the area of skin, determining an actual reflectance of the nominated point, applying an edge protection technique based on the image to generate one or more outputs, determining a desired reflectance of the nominated point based on the one or more outputs, calculating an amount of RMA to be applied based on the output, and determining whether to apply the RMA to the area of skin based on the amount of RMA. Full Article
at Generating sentence completion questions By www.freepatentsonline.com Published On :: Tue, 28 Apr 2015 08:00:00 EDT The subject disclosure is directed towards automated processes for generating sentence completion questions based at least in part on a language model. Using the language model, a sentence is located, and alternates for a focus word (or words) in the sentence are automatically provided. Also described is automated filtering candidate sentences to locate the sentence, filtering the alternates based upon elimination criteria, scoring sentences with the correct word and as modified the alternates, and ranking the alternates. Manual selection may be used along with the automated processes. Full Article
at Educational game for teaching addition and subtraction of whole numbers By www.freepatentsonline.com Published On :: Tue, 05 May 2015 08:00:00 EDT An educational game for teaching addition and subtraction of whole numbers includes a carpet/game board including ten positively numbered spaces from +1 to +10 inclusive a 0 space and negatively numbered spaces from −1 to −10 inclusive and wherein said positive numbered spaces proceed upwardly in a generally zigzag direction from 0 to plus 10 and the negatively numbered spaces proceed downwardly from 0 to minus 10 and an extra space above the plus 10 and an extra space below the minus 10 wherein the extra space above the plus 10 is a win space and the space below the minus 10 is a lose space. The game also includes a single cube shaped die having six faces with an indication of plus 2, minus 2 and no movement on three of the faces and a plus 1, minus 1 and plus 1 plus and additional turn on the sixth face. Further, the game includes six game pieces of separate distinct colors. Full Article
at System and method for cardiac defibrillation response simulation in health training mannequin By www.freepatentsonline.com Published On :: Tue, 05 May 2015 08:00:00 EDT Configurations for simulation of motions or movement in a health training mannequin for teaching purposes are disclosed. A cardiac defibrillation response simulation apparatus is configured to be housed separately from but interfaced with a health training mannequin to induce motion symptomatic response to electrical shock in the mannequin. In one embodiment a system comprises a motion inducer comprising a housing, an interface structure, and an actuator, wherein the interface structure is coupled to the actuator, movable relative to the housing, and configured to interface with a portion of a health training mannequin to induce motion in at least one portion of the health training mannequin. In another embodiment a method comprises interfacing a portion of a health training mannequin with an interface structure, the interface structure being coupled to an actuator and movable relative to a housing coupled to the actuator, the housing not being housed within a portion of the health training mannequin. Various hardware configurations are presented. Full Article
at Sialendoscopy demonstration apparatus By www.freepatentsonline.com Published On :: Tue, 05 May 2015 08:00:00 EDT Models, kits and methods useful in the demonstration of sialendoscopy devices and techniques are described. An exemplary demonstration apparatus comprises a support structure, an insert structure contacting the support structure, and a duct structure contacting the insert structure. The insert structure has a top surface defining a first opening and a bottom surface defining a second opening, and defines a channel with a first end in communication with the first opening and a second end in communication with the second opening. The duct structure comprises an elongate tubular member and has a first end in fluid communication with the first opening of the insert member, a second end, and defines a lumen extending from the first end to the second end. A portion of the duct structure is releasably disposed within the channel defined by the insert structure. Full Article
at Medical injector simulation device By www.freepatentsonline.com Published On :: Tue, 05 May 2015 08:00:00 EDT An apparatus includes a simulated medicament delivery device and an electronic circuit system coupled to the simulated medicament delivery device. The electronic circuit system is configured to output an electronic output associated with a use of the simulated medicament delivery device. Full Article
at Augmented reality system, apparatus and method By www.freepatentsonline.com Published On :: Tue, 05 May 2015 08:00:00 EDT Information technology tools can be provided to manage access by a plurality of attendees through a network to a presentation. Each of the attendees is registered with an associated content access status, and presentation data for the presentation is provided to a registered attendee based on the particular content access status of the registered attendee. Full Article
at Method and system for quantitative assessment of visual motor response By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT A method and system are presented to address quantitative assessment of visual motor response in a subject, where the method comprises the steps of: (1) presenting at least one scene to a subject on a display; (2) modulating the contrast of a predetermined section of the scene; (3) moving the predetermined section relative to the scene with the movement being tracked by the subject via at least one input device; (4) measuring a kinematic parameter of the tracked movement; (5) quantitatively refining the tracked movement; (6) determining the relationship between at least one of the scene and the quantitatively refined tracked movement; (7) adjusting the modulated contrast relative to the quantitatively refined tracked movement; (8) calculating a critical threshold parameter for the subject; and (9) recording a critical threshold parameter onto a tangible computer readable medium. Full Article
at Method and system for quantitative assessment of word recognition sensitivity By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT A method and system are presented to address quantitative assessment of word recognition sensitivity of a subject, where the method comprises the steps of: (1) presenting at least one scene, comprising a plurality of letters and a background, to a subject on a display; (2) moving the plurality of letters relative to the scene; (3) receiving feedback from the subject via at least one; (4) quantitatively refining the received feedback; (5) modulating the saliency of the plurality of letters relative to accuracy of the quantitatively refined feedback; (6) calculating a critical threshold parameter; and (7) recording a critical threshold parameter onto a tangible computer readable medium. Full Article
at Automated quiz generation system By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT In one embodiment, an apparatus may receive metadata that is associated with content. The metadata includes event descriptors that describe events included in the content. The apparatus may generate a question based on at least one of the event descriptors. Full Article
at Custom narration of electronic books By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT A system and method are disclosed for correlating an electronic book with a narration. A correlation is determined between a first portion of the narration and a first segment of the text within the electronic book. The correlation is stored as instructions to present the first segment of the text with emphasis simultaneously with playback of the first the portion of the narration. A determination is made that a second portion of the audio recording, immediately following the first portion, does not match a second segment of the text that immediately follows the first segment. A correlation between the second portion and a component of the electronic book is determined and stored as instructions to present the component with emphasis simultaneously with playback of the second portion of the narration. Full Article
at Systems and methods for multi-user multi-lingual communications By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT Various embodiments described herein facilitate multi-lingual communications. The systems and methods of some embodiments enable multi-lingual communications through different modes of communication including, for example, Internet-based chat, e-mail, text-based mobile phone communications, postings to online forums, postings to online social media services, and the like. Certain embodiments implement communication systems and methods that translate text between two or more languages. Users of the systems and methods may be incentivized to submit corrections for inaccurate or erroneous translations, and may receive a reward for these submissions. Systems and methods for assessing the accuracy of translations are described. Full Article
at Target device for determining received hits in a light based weapons simulation system By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT A target device is usable with a simulation system which includes a weapon simulator having a trigger, a chamber for firing a blank cartridge in response to the trigger, and a transmitter arranged to emit a light signal defining one or more activation codes of prescribed duration in response to the trigger. The target device includes a sensor array of photodiodes and a processor receiving output signals from the photodiodes. The processor determines that the sensor array has been hit by the weapon simulator in response to a first portion of one activation code being received by one of the photodiodes and at least one second portion of the same activation code being received by the same or a different one of the photodiodes when the first portion and the at least one second portion correspond to an entirety of one activation code within the respective prescribed duration. Full Article
at Image display apparatus, image display method, and of image display program By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT An image display apparatus includes a communication unit to communicate with information processing apparatuses; an image synthesizing unit to synthesize a multi-segmented screen image composed of screen images of the information processing apparatuses; a projection unit to project the multi-segmented screen image onto a screen; a functional mode management unit to control switching between a normal projection mode and a multi-segmented screen operation mode; an image capture device to capture the multi-segmented screen image and a hand movement of an operator when switched to the multi-segmented screen operation mode; a designated screen image recognition unit to detect a hand movement of the operator based on the image captured by the image capture device, and to recognize a screen image designated as an active-target image; and a signal control unit to transmit a request of image data transmission to an information processing apparatus corresponding to the designated active-target image. Full Article
at Apparatus and method of simulating a somatosensory experience in space By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT A method of providing a user with an extra-terrestrial somatosensory experience includes equipping the user with an underwater breathing apparatus, having the user occupy an underwater environment, such environment providing buoyancy to the user, and while the user occupies the underwater environment, using a computer-implemented virtual reality system to present to the user a virtual reality environment modeling an extra-terrestrial setting. The virtual reality system inhibits visual perception by the user of items outside of the virtual reality environment so that the user experiences the virtual reality environment under a buoyancy condition provided by the underwater environment. The buoyancy condition enhances the experience of the virtual reality environment. Full Article
at Team-building educational training system By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT The team-building educational training system includes a mat and a plurality of reflective surfaces, such as mirrors. The mat has a top surface, a bottom surface, and a plurality of openings defined therein. The top and bottom surfaces each have a plurality of uniquely identifiable indicia displayed thereon. The reflective surfaces are placed on the floor or ground under the mat. The team cooperatively lifts and manipulates the mat to align the openings with the reflective surfaces so that at least one team member can view reflections of the indicia on the reflective surfaces. The team cooperatively interprets the indicia and completes a variety of planned exercises to learn skills for working as a team. Full Article
at Educational apparatus By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT An educational apparatus for educating, testing and entertaining individuals includes a rotatable spherical element, a planar support structure and a plurality of rollers for supporting the spherical element for rotational movement. The planar support structure defines an elevated planar surface with a circular opening therein. The rotatable rollers are hingedly mounted to the planar support structure around the opening for supporting the spherical element with a majority of the spherical element above the level of the planar support structure. A fixed element is fixed to the spherical element and a magnetic complimentary element is disposed adjacent the spherical element for contact by the fixed element. Full Article
at Willpower watch (TM)—a wearable food consumption monitor By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT This invention is a wearable, automatic, and tamper-resistant device and method for monitoring and measuring food consumption and caloric intake. It can help people to manage their energy balance and weight. It can be embodied as: (a) one or more automatic-imaging members that are worn on a person from which these members collectively and automatically take pictures of the person's mouth and pictures of a reachable food source when the person eats; (b) a tamper-resisting mechanism which detects and responds if the operation of the one or more automatic-imaging members is impaired; and (c) an image-analyzing member which automatically analyzes pictures of the person's mouth and pictures of the reachable food source in order to estimate the types and quantities of food that are consumed by the person. Full Article
at Automatic rule dropping device for linecasting machines equipped with remote control operating mechanism By www.freepatentsonline.com Published On :: Tue, 06 Aug 1957 08:00:00 EDT Full Article
at Apparatus for and a method of revising type in columnar form By www.freepatentsonline.com Published On :: Tue, 22 Nov 1960 08:00:00 EST Full Article
at Label printing and cutting apparatus By www.freepatentsonline.com Published On :: Tue, 15 Aug 1961 08:00:00 EDT Full Article
at Apparatus for preparing printed matter By www.freepatentsonline.com Published On :: Tue, 21 Jan 1964 08:00:00 EST Full Article
at Type composing apparatus By www.freepatentsonline.com Published On :: Tue, 15 Sep 1964 08:00:00 EDT Full Article
at Indicator apparatus for line casting machines By www.freepatentsonline.com Published On :: Tue, 05 Oct 1965 08:00:00 EDT Full Article
at Automatic typesetting controls By www.freepatentsonline.com Published On :: Tue, 08 Feb 1966 08:00:00 EST Full Article
at Matrix tabulating and alignment tool By www.freepatentsonline.com Published On :: Tue, 03 Jan 1967 08:00:00 EST Full Article
at Printing material transfer device By www.freepatentsonline.com Published On :: Tue, 09 Jul 1968 08:00:00 EDT Full Article
at LINE PRINTING WITH PROPORTIONAL SPACING AND JUSTIFICATION By www.freepatentsonline.com Published On :: Tue, 05 May 1970 08:00:00 EDT Full Article
at CASTING ASSEMBLY APPARATUS By www.freepatentsonline.com Published On :: Tue, 29 Dec 1970 08:00:00 EST Full Article
at LINE LENGTH AND JUSTIFICATION INDICATOR FOR TYPESETTING MACHINES By www.freepatentsonline.com Published On :: Tue, 16 Oct 1973 08:00:00 EDT A line length remainder and justification indicator device for use with a line composing machine in which the device employs a continuously rotating drum having preselected values of line remainder and justification information indicated thereon. A controlled intermittent flash illuminates only the desired information. Full Article
at TYPE COMPOSING APPARATUS HAVING NOVEL CHARACTER WIDTH DERIVATION STRUCTURE By www.freepatentsonline.com Published On :: Tue, 15 Jan 1974 08:00:00 EDT Type composing apparatus is disclosed as including means for representing its binary code a series of characters, means for generating a relative width value for each character, means for representing a succession of point size factors, one for each character, and means for multiplying a relative width value assigned to each character by a point size factor for that character. The means for multiplying associated pairs of relative width values and point size factors is disclosed as comprising a memory having stored therein products of relative width values and point size factors. Means are shown for addressing and extracting from the memory an adjusted width value and point size factor. The means for generating a relative width value for each character is depicted as including a read-only integrated circuit memory having permanently stored therein at mutually exclusive addresses a relative width value for each of the characters. One embodiment of a photocomposing machine is disclosed. Full Article
at Means for regulating pressure in a pressure chamber By www.freepatentsonline.com Published On :: Tue, 31 Oct 2000 08:00:00 EST PCT No. PCT/DE96/01067 Sec. 371 Date Jun. 17, 1998 Sec. 102(e) Date Jun. 17, 1998 PCT Filed Jun. 17, 1996 PCT Pub. No. WO97/16777 PCT Pub. Date May 9, 1997For regulating the pressure in a pressure chamber, in particular in a pneumatic brake apparatus for a web-type recording medium, an actual pressure is set in the pressure chamber dependent on an actual angle of rotation of a rotary valve. The actual angle of rotation of the rotary valve and the actual pressure in the pressure chamber are acquired. A target pressure and a target angle of rotation allocated to this target pressure are predetermined, and a pressure deviation between the actual pressure and the target pressure are determined, as is a deviation of the angle of rotation between the actual angle of rotation and the target angle of rotation. An adjusting unit sets the angle of rotation at the rotary valve, first dependent on the deviation of the angle of rotation and then dependent on the pressure deviation. Furthermore, a sensor for acquiring the angle of rotation is specified. Full Article
at Automatically loading printing device and method of printing By www.freepatentsonline.com Published On :: Tue, 05 Jun 2012 08:00:00 EDT A printing device is provided with a print die storage rack, a pickup head, a print head, and a printing surface. The print die storage rack is adapted to hold a multitude of print dies. The pickup head is provided to move one or more print dies to and from the storage rack and the print head. The print head is adapted to hold one or more print dies and move them between the pickup head and the printing surface. The printing surface is provided to hold and secure print media. The device is capable of any form of printing, embossing, debossing, foil stamping and the like. A method of printing is also provided. Full Article
at Apparatus and method of compensating for I/Q imbalance in direct up-conversion system By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT An apparatus and a method of compensating for an I/Q imbalance in a direct up-conversion system prevents the performance of the system from being deteriorated by efficiently compensating for an I/Q timing skew, an I/Q phase imbalance, and an I/Q gain imbalance by using a characteristic of an OFDM scheme in an Orthogonal Frequency Domain Multiple (Access) (OFDM(A)) system using a direct up-conversion scheme. According to the apparatus and the method of compensating for an I/Q imbalance in the direct up-conversion system of the present invention, an OFDM(A) system using a direct up-conversion scheme may efficiently compensate for I/Q timing skew, I/Q phase imbalance, and I/Q gain imbalance by using a characteristic of an OFDMA scheme, so that a performance of the system is prevented from being deteriorated. Full Article
at Method and apparatus of transmitting training signal in wireless local area network system By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A method of transmitting a training signal in a Wireless Local Area Network (WLAN) system includes generating one or more first training signals for a first destination station and one or more second training signals for a second destination station by applying a mapping matrix P to a training signal generation sequence, mapping the first training signals and the second training signals to a plurality of antennas according to an antenna mapping matrix, and performing Inverse Fast Fourier Transform (IFFT) on each of the first training signals and the second training signals mapped to the plurality of antennas and transmitting the training signals through the plurality of antennas. Full Article
at Method and device for retransmitting data under antenna gain imbalance By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT The disclosure provides a method and device for retransmitting data under antenna gain imbalance, and the method includes: determining that gains of multiple antennas at a transmission terminal are imbalanced; using a better spatial sub-channel in the multiple antennas to retransmit data when streams transmitted by the multiple antennas adopt a same Modulation and Coding Scheme; and using a better spatial sub-channel in the multiple antennas to retransmit data and/or using a single-stream approach to retransmit data when the streams transmitted by the multiple antennas adopt different Modulation and Coding Schemes. The disclosure selects a corresponding retransmission approach according to the condition of a spatial sub-channel on which streams have an error, thus improving and ensuring success rate for retransmitting a stream. Full Article
at Sideband suppression in angle modulated signals By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT In an angle modulated radio transmitter, the total power is the same when modulated or unmodulated. Angle modulation produces multiple sideband pairs. The power in the sidebands is derived from the carrier. When a complex modulating waveform is used, the power (and therefore the amplitude) of the carrier varies. A system and method is provided for dramatically minimizing, to nearly zero, the bandwidth needed to transmit digital information using sideband suppression of angle modulated signals. The systems described use various techniques to suppress sideband pairs, leaving the carrier signal. The amplitude variations of the carrier are used to convey information. In some examples, techniques are used to filter and/or phase out one or more sideband pairs, leaving the carrier signal. Full Article
at Phase offset compensator By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A phase offset compensator for compensating a phase offset is provided. The phase offset includes a first phase sub-offset and a second phase sub-offset. The phase offset compensator includes a feedback loop comprising a first loop filter, the feedback loop being configured to compensate the first phase sub-offset of the phase offset, and a feed forward loop comprising a second loop filter, the feed forward loop being configured to compensate the second phase sub-offset of the phase offset. Full Article
at Carrier frequency offset compensation apparatus and associated method By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A carrier frequency offset compensation method for a communication system is provided. The method includes: mixing, filtering and interpolating an input signal according to a mixing parameter, a first filtering parameter and a first interpolation parameter, respectively, to generate a processed result; calculating a carrier frequency offset estimation value of the input signal according to the processed result; adjusting the mixing parameter according to the carrier frequency offset estimation value; and mixing, filtering and interpolating the input signal according to the adjusted mixing parameter, a second filtering parameter and a second interpolation parameter, respectively. The first interpolation parameter is associated with a cut-off frequency corresponding to the first filtering parameter. Full Article
at Systems, apparatus, and methods for receiving paging messages by creating fat paths in fast fading scenarios By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT This disclosure provides systems, methods, and apparatus for receiving paging messages in fast fading scenarios. In one aspect, a method of demodulating a paging message during an assigned time slot by a wireless communications apparatus operating in an idle mode is provided. The method includes determining, in anticipation of the assigned time slot, an expected time position corresponding to a path of a pilot signal having a greater signal strength relative to other pilot signals. The method further includes assigning a first demodulation element to demodulate the pilot signal with reference to the expected time position and assigning a second demodulation element to demodulate the pilot signal with reference to a time offset from the expected time position. Other aspects, embodiments, and features are also claimed and described. Full Article
at Staggered transmission and reception for reducing latency and memory By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A demodulator processes a continuous-time signal to generate at a plurality of encoded bits. An inner decoder processes a first subset of bits within the plurality of encoded bits to correct selected ones of the first subset of bits to form a corrected first subset of bits and to generate partially corrected data from the plurality of encoded bits based on the corrected first subset of bits. An outer decoder processes the partially decoded data, to correct selected ones of a second subset of the plurality of encoded bits to form a corrected second subset of bits. A bit combiner generates data estimates by combining the corrected first subset of bits and the corrected second subset of bits. Full Article
at Method and apparatus for iteratively detecting and decoding signal in communication system with multiple-input and multiple-out (MIMO) channel By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A communication apparatus with a multiple-input and multiple-output (MIMO) channel, includes a minimum mean square error (MMSE) detector configured to estimate quadrature amplitude modulation (QAM) symbols based on signals received through the MIMO channel. The apparatus further includes a QAM demodulator configured to demodulate the estimated QAM symbols, and estimate a first posterior probability of each of encoded bits of the estimated QAM symbols, and a first module configured to remove a first prior probability of each of the encoded bits from the first posterior probability to generate soft estimates of the encoded bits. The apparatus further includes a channel decoder configured to decode the encoded bits based on the soft estimates, and generate an improved posterior probability of each of the encoded bits, and a second module configured to generate a second prior probability of each of the encoded bits based on the improved posterior probability. Full Article
at Digital broadcasting receiving system and associated signal processing method By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A digital broadcasting receiving system is provided. A receiving module receives an M number of symbols each carrying an N number of subcarriers of a control signal. A converting module performs FFT on respective kth subcarriers of an ith symbol and an (i+1)th symbol to generate an (i, k)th converted value and an (i+1, k)th converted value. A demodulating module performs differential demodulation on the (i, k)th and (i+1, k)th converted values to generate an (i, k)th demodulation value. A combining module soft-combines the (i, 1)th demodulation value through the (i, N)th demodulation value to generate an ith prediction value corresponding to the ith symbol. A determining module identifies a synchronization segment in the control signal according to the 1st prediction value to the (M−1)th prediction value. Full Article
at Signal modulation scheme determination through an at least fourth-order noise-insensitive cumulant By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT Various embodiments associated with an at least fourth-order cumulant of a signal are described. The at least fourth-order noise-insensitive cumulant of the signal can be taken and compared against an at least fourth-order noise-insensitive cumulant of known signals. A match can be found between the signal and a known signal and from this match, a demodulation scheme of the signal can be determined. The demodulation scheme can be used to demodulate the signal. Full Article
at Method and apparatus for mitigating signal interference in a feedback system By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A system that incorporates the subject disclosure may include, for example, a process that includes adjusting a filter in electrical communication between an input terminal and a demodulator. The filter is applied to an information bearing signal, e.g., to mitigate interference, received at the input terminal, resulting in a filtered signal. An error signal is received, indicative of errors detected within information obtained by demodulation of a modulated carrier of the filtered signal. A modified filter state is determined in response to the error signal and the filter is adjusted according to the modified filter state, e.g., to improve mitigation of the interference. Other embodiments are disclosed. Full Article
at DM-CM diversity receiver for a wireline communication system By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT In general, the present invention provides methods and apparatuses for exploiting the extra degree of freedom provided by the sensing of the CM signal along with the DM signal at the receiver end of a wireline communication system. According to certain aspects, this extra degree of freedom can be used to cancel alien noises at the receiver in both upstream downstream directions. According to further aspects, a CM channel can be potentially used to exploit the diversity created in the CM channel along with the regular DM channel. This acts as the motivation for employing a diversity receiver scheme at the receiver, especially in downstream communications received at a Customer Premises. Full Article
at Radio frequency (RF) receivers with whitened digital clocks and related methods By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT Radio frequency (RF) receivers having whitened digital clocks and related methods are disclosed. Disclosed embodiments generate whitened clocks having random variations that are used to operate digital processing blocks so that interference created by the whitened clocks is seen as white noise within the received RF signal spectrum. RF input signals are received by RF front-ends (RFFEs) that output analog signals associated with channels within the RF input signals. These analog signals are converted to digital information and processed by digital receive path circuitry that outputs digital data associated with the channel. The digital receive path circuitry includes a whitened clock generator that generates a whitened clock having random variations and which a digital processing block that operates based upon the whitened clock. Further, the RFFE and the digital receive path circuitry are located within a single integrated circuit. Full Article
at Very low intermediate frequency (VLIF) receiver and method of controlling a VLIF receiver By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A very-low intermediate frequency (VLIF) receiver and a method of controlling a VLIF receiver. The method comprises receiving a first signal, the first signal including one or both of an on-channel signal portion and an adjacent channel interferer (ACI) portion; determining that the first signal includes a portion having a strength that is above a threshold; in response to determining that the first signal includes a portion having a strength that is above the threshold, estimating one or more IQ imbalance parameters for at least a portion of the first signal; and compensating for an IQ imbalance in at least the portion of the first signal using the one or more IQ imbalance parameters. Full Article
at Receiving circuit, use, and method for receiving an encoded and modulated radio signal By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A receiving circuit, use, and method for receiving an encoded and modulated radio signal is provided. The circuit comprise a demodulator and a digital filter connected downstream of the demodulator for moving averaging. The filter has at least two FIFO registers and subtractors. Whereby for subtracting an output value of the FIFO register from an input value of the FIFO register a subtractor is connected to each FIFO register. Wherein the filter has a weighting unit, which is connected downstream of each FIFO register, and wherein the filter has an integrator, which is connected downstream of the subtractors for integration. Full Article
at Data recovery circuit and operation method thereof By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT In a data recovery circuit, a sampling circuit is configured to sample data using a plurality of sampling clock signals having different phases relative to one another and to output a plurality of sampled data. A recovery data generation circuit is configured to perform a logic operation on the plurality of sampled data and to generate a plurality of intermediate recovery data according to a result of the logic operation. A recovery circuit is configured to check the plurality of intermediate recovery data for existence of an error and to output intermediate recovery data that is error-free, among the plurality of intermediate recovery data, as recovery data. Full Article