Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 8095099 | Multiple radio receive chain wireless communication devices The present invention provides architectures and methods which use multiple radio receive chains in mobile devices to boost performance of the mobile devices. While a first set of the receive chains are assigned to a serving base station, another set of receive chai... | 01/10/2012 |
| 7725088 | Fast mode switching frequency synthesizing apparatus and method for operating in low power consumption A fast mode switching frequency synthesizing apparatus and method for operating in low power consumption. In the frequency synthesizer, according to a mode control signal, an SSB mixer selectively generates and outputs a signal having a frequency which is identical ... | 05/25/2010 |
| 7590398 | Method and apparatus for finding digitally modulated signals A translation table is provided for a set top box in order to convert satellite frequencies of a Satellite Master Antenna Television (SMATV) system to corresponding cable frequencies of a CATV distribution system. During an autoscan operation, the translation table ... | 09/15/2009 |
| 7539473 | Overshoot reduction in VCO calibration for serial link phase lock loop (PLL) A circuit design, method, and system for tracking VCO calibration without requiring an over-designed divider as in conventional implementation. A filter reset component is added to the inputs of the VCO. A process step is added to the calibration mechanism/process t... | 05/26/2009 |
| 7433414 | Intelligent array radio architecture A receiver sets weights for an antenna array according to a series of algorithms including an energy algorithm, a least squares algorithm and a least mean square algorithm. ... | 10/07/2008 |
| 7418247 | Radio-frequency receiver A radio-frequency (RF) receiver includes an input terminal for receiving RF signals in a first frequency band and a second frequency band lower than the first frequency band, a first tuned filter allowing a signal of a passing frequency in the RF signal in the first... | 08/26/2008 |
| 7412215 | System and method for transitioning from one PLL feedback source to another A system and method are provided for switching from one phase-locked loop feedback source to another in a radio frequency (RF) transmitter. The RF transmitter includes a phase-locked loop (PLL) that provides a phase-modulated RF input signal and power amplifier circ... | 08/12/2008 |
| 7373119 | Method and apparatus for analog-to-digital conversion The present invention eliminates the need for an anti-aliasing filter in a receiver that employs an analog-to-digital converter. By maintaining a predetermined relationship between a local oscillator frequency and the sampling frequency of the analog-to-digital conv... | 05/13/2008 |
| 7359672 | Apparatus and method for frequency conversion An apparatus for frequency up conversion and down conversion using frequency multiplier circuits. The frequency multiplier circuits receive a lower frequency signal and are operated in a forward direction to provide a higher frequency output. The same frequency mult... | 04/15/2008 |
| 7343142 | Tuner A digital terrestrial tuner has an RF input connected to a filter arrangement, whose output signal is supplied to a zero intermediate frequency frequency changer. The filter arrangement comprises a plurality of signal paths of different frequency responses. The sign... | 03/11/2008 |
| 7340230 | Receiver architectures utilizing coarse analog tuning and associated methods Receiver architectures and associated methods are disclosed that provide initial analog coarse tuning of desired channels within a received signal spectrum, such as a set-top box signal spectrum for satellite communications. These architectures provide significant a... | 03/04/2008 |
| 7333789 | Wide-band modulation PLL, timing error correction system of wide-band modulation PLL, modulation timing error correction method and method for adjusting radio communication apparatus having wide-band modulation PLL A broadband modulation PLL includes a PLL portion containing a voltage controlled oscillator (101), a frequency divider (105), a phase comparator (104) and a loop filter (103). A frequency-dividing ratio of the frequency divider (105 | 02/19/2008 |
| 7310505 | Attenuation control for tuners A tuner includes an RF input with a signal level controller such as an attenuator that is provided to attenuate a signal from the RF input. A tunable RF filter provides RF band limiting and determines simultaneously the AGC bandwidth. An amplifier with resistive fee... | 12/18/2007 |
| 7310508 | Inline filter resistors A shorted resistive block formed in line with at least one trace of a plurality of a top metal layer includes a plurality of resistors with a removable shorting link coupled across the resistive block. The resistive block comprises one of a plurality of series coupl... | 12/18/2007 |
| 7292830 | Receiver gain management Noise floor searching is performed for a cellular base station to increase accuracy of receiver gain estimates. This allows adjustment of gain in a radio module to account for gain in front-end devices, and achieve a desired overall receiver target gain. The gain of... | 11/06/2007 |
| 7283801 | Circuit arrangement for phase locked loop, and phase locked loop based method to be used in cellular network terminals The invention relates to a circuit arrangement (4) for a PLL to be used in a terminal (50) of a time division cellular network. In a PLL according to the invention, the control voltage (32a) to a VCO (33) in the PLL is kept at a de... | 10/16/2007 |
| 7272374 | Dynamic selection of local oscillator signal injection for image rejection in integrated receivers A system and method are disclosed for dynamically selecting high-side injection or low-side injection of local oscillator mixing signals based upon an assessment of signal power within the input signal spectrum that could cause unwanted images in the processed signa... | 09/18/2007 |
| 7263341 | Audio demodulating circuit and television broadcast receiver An audio demodulating circuit in accordance with the present invention for demodulating audio signals in a plurality of broadcast systems of mutually different frequency deviations such as the NTSC and the PAL, is arranged such that a connection between a trap circu... | 08/28/2007 |
| 7215931 | Method and apparatus for up-and-down-conversion of radio frequency (RF) signals This patent describes a method and system which overcomes the LO-leakage problem during modulation and demodulation, common to direct conversion and similar RF transmitters and receivers. This problem is solved using a virtual local oscillator (VLO™) signal which ... | 05/08/2007 |
| 7215938 | Radio-frequency receiver and integrated circuit for use in receiver A radio-frequency (RF) receiver includes an input terminal for receiving RF signals in a first frequency band and a second frequency band lower than the first frequency band, a first tuned filter allowing a signal of a passing frequency in the RF signal in the first... | 05/08/2007 |
| 7215935 | Segmented CDMA searching Techniques for segmented CDMA searching are disclosed. In one aspect, a searcher comprises a plurality of storage elements selectable for performing a plurality of segmentable search tasks, each storage element operable for storage of and access to state information... | 05/08/2007 |
| 7206356 | Wireless transmitter with reduced power consumption This wireless transmitter is composed of at least one modulator, which comprises a digital part and an analog part. The digital part comprises elements for generating the envelope of the signals to be transmitted and elements for generating the phase of the signals ... | 04/17/2007 |
| 7184487 | Receiver with chopper stabilization and method thereof A receiver (202) has a down-conversion receiver (304) for transforming a signal (201) from a first operating frequency to a second operating frequency that is lower than the first operating frequency, and a receiver filter (308) with chop... | 02/27/2007 |
| 7181180 | Sigma delta modulated phase lock loop with phase interpolation A sigma delta modulated phase lock loop reduces quantization noise by using phase interpolation to increase an effective frequency resolution of the dividing ratio of a divider. ... | 02/20/2007 |
| 7171182 | Frequency synthesizers for supporting voice communication and wireless networking standards Techniques are described that facilitate the generation of different waveforms at different frequencies required for transmission and reception of wireless voice signals and wireless data signals. For example, a technique may include generating a first waveform in a... | 01/30/2007 |
| 7167694 | Integrated multi-tuner satellite receiver architecture and associated method Multi-tuner receiver architectures and associated methods are disclosed that provide initial analog coarse tuning of desired channels within a received signal spectrum, such as transponder channels within a set-top box signal spectrum for satellite communications. T... | 01/23/2007 |
| 7155190 | DDS-PLL method for frequency sweep A high frequency sweep generator uses a DDS-PLL method for frequency sweep over wide frequency spans. A digital sweep generator produces a linear ramp signal using DDS techniques that is applied to a coarse tuning port of a high frequency tunable oscillator, such as... | 12/26/2006 |
| 7149485 | Method and device for processing mismatches between two quadrature paths of a chain of a reception adapted for example to the reception of a signal modulated according to a modulation of the OFDM type In a calibration phase for a tuner of the DZIF type, N calibration frequency signals are generated at an input of a filter. The N calibration frequency signals have N calibration frequencies corresponding respectively after transposition to N analysis frequencies at... | 12/12/2006 |
| 7149488 | Direct tuning of radio receiver integrated circuit A method for direct tuning of a radio receiver begins by providing a plurality of frequency-dependent control input signals to an input of the radio receiver. The method continues by, for each of a plurality of frequency-dependent control input signals, determining ... | 12/12/2006 |
| 7136114 | Television receiver with dynamically adjustable filtering A television receiver includes a tuner stage, a selective filter stage connected to the tuner stage, and a intermediate-frequency stage connected to the selective filter stage. A field-strength-detection stage is also provided, which generates a field strength signa... | 11/14/2006 |
| 7133082 | Digital television receiver with remote tuner for driving transmission line with intermediate-frequency signal An outdoor-antenna digital television receiver system has an electrically controlled remote tuner located close to the antenna. In response to a remote control signal, the remote tuner selects a particular radio-frequency digital television signal to be received, co... | 11/07/2006 |
| 7130603 | Radio equipment communicatable in two frequency bands and method for generating local oscillator signal in radio equipment Radio equipment enabling radio communication with frequency conversion corresponding to signals of different frequency bands is disclosed. A local oscillator signal generator included in this radio equipment having a first signal generator, a second signal generator... | 10/31/2006 |
| 7127010 | Oscillator controlling A receiver local oscillator is always tuned to a frequency that lies within a range of reception frequencies of the receiver. The oscillator is tuned to a frequency less than and above the received frequency when the received frequency is above and below a threshold... | 10/24/2006 |
| 7127217 | On-chip calibration signal generation for tunable filters for RF communications and associated methods On-chip calibration signal generation circuitry is disclosed for filter tuning for radio-frequency communications and associated methods. On-chip circuitry generates a calibration signal that is used to help set a tuning control signal that is received by a tunable ... | 10/24/2006 |
| 7110726 | RF ASIC for subscriber communicator An RF ASIC for a subscriber communicator includes a receiver section, a transmitter section, a CODEC and an I2S port. The receiver section downconverts by superheterodyning and demodulates a received RF communication signal to provide analog quadrature co... | 09/19/2006 |
| 7107033 | Smart radio incorporating Parascan® varactors embodied within an intelligent adaptive RF front end A smart radio incorporating Parascan® varactors embodied within an intelligent adaptive RF front end. More specifically, this is provided for by a smart radio incorporating Parascan® varactors embodied within an intelligent adaptive RF front end that comprises at ... | 09/12/2006 |
| 7103337 | PLL circuit having a multi-band oscillator and compensating oscillation frequency A semiconductor integrated circuit device for communication is provided with a PLL circuit or the like formed therein, the PLL circuit which is capable of realizing the compensation of fluctuation due to temperature change, the inhibition of increase in the chip are... | 09/05/2006 |
| 7103334 | Method and system for tuning quality factor in high-Q, high-frequency filters A method for tuning quality factor (Q) in a high-Q, high-frequency filter is provided that includes filtering an input signal to generate a filtered signal. The input signal comprises a specified frequency. The filtered signal comprises an actual phase shift with re... | 09/05/2006 |
| 7082295 | On-chip loop filter for use in a phase locked loop and other applications A phase locked loop that includes such a loop filter, the phase locked loop includes a difference detector, programmable charge pump, fixed loop filter, voltage controlled oscillator and adjustable divider module. The difference detector is operably coupled to deter... | 07/25/2006 |
| 7058377 | Dual channel downconverter for pulsed radio frequency measurements A dual channel downconverter that includes a two-channel heterodyne receiver architecture for downconverting two frequency-agile, pulsed RF signals to identical fixed IF signals without the use of a tunable local oscillator. This accomplishes downconversion while pr... | 06/06/2006 |
