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Class Information
Number: 341/110
Name: Coded data generation or conversion > Analog to digital conversion followed by digital to analog conversion
Description: Subject matter where an analog to digital conversion is followed by a digital to analog conversion.


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
7400278 Echo prevention circuit, filter coefficient setting method, and recording medium with program recorded Jul. 15, 2008
7391347 Radio receiver, system on a chip integrated circuit and methods for use therewith Jun. 24, 2008
7391842 Direct synthesis clock generation circuits and methods Jun. 24, 2008
7391814 Gain control method and apparatus Jun. 24, 2008
7382303 Non-perturbing power supply margin controller Jun. 3, 2008
7372382 Voltage regulation using digital voltage control May. 13, 2008
7369071 Analog and digital signal mixer May. 6, 2008
7358875 Echo preventing circuit and digital signal processing circuit Apr. 15, 2008
7348914 Method and systems to align outputs signals of an analog-to-digital converter Mar. 25, 2008
7348905 Device for treating audio signals, especially for treating audiophonatory disorders Mar. 25, 2008
7342522 Digital audio player and playing method thereof Mar. 11, 2008
7336210 Multichannel time encoding and decoding of a signal Feb. 26, 2008
7324036 Adaptive, intelligent transform-based analog to information converter method and system Jan. 29, 2008
7321627 Method and system for providing zero detect and auto-mute Jan. 22, 2008
7319418 Sensor with multiplex data output Jan. 15, 2008
7315267 Mixed-mode semiconductor memory Jan. 1, 2008
7312735 Parallel-to-serial converter Dec. 25, 2007
7304594 Transmitting and receiving device and transmitting device and receiving device Dec. 4, 2007
7280058 Mixed-signal system-on-a-chip analog signal direct interconnection through programmable logic control Oct. 9, 2007
7233624 Method and system for all digital gain control Jun. 19, 2007
7202804 Digital signal processing amplifier Apr. 10, 2007
7190292 Input level adjust system and method Mar. 13, 2007
7188196 Method and apparatus for playing analog audio to multiple codec outputs Mar. 6, 2007
7180437 Parallel-to-serial converter Feb. 20, 2007
7173557 Analog/digital converter Feb. 6, 2007
7167116 Memory devices having single bit bus structure with current mode signaling and methods of operating same Jan. 23, 2007
7161510 Switching amplifier comprising a delta-sigma modulation circuit Jan. 9, 2007
7151970 Multiple audio DACs with PC compatibility Dec. 19, 2006
7145488 Method and system for converting digital samples to an analog signal Dec. 5, 2006
7145492 Data management method Dec. 5, 2006
7142139 Powering down of DAC and ADC for receive/transmit modes of operation in a wireless device Nov. 28, 2006
7138932 Signal converting apparatus for integrating analog-to-digital converter and digital-to-analog converter and integration unit Nov. 21, 2006
7079058 Powering down of DAC and ADC for receive/transmit modes of operation in a wireless device Jul. 18, 2006
7068068 Re-configurable mixed-mode integrated circuit architecture Jun. 27, 2006
7061420 Gain control for analog-digital converter Jun. 13, 2006
7031401 Digital to analog converter with time dithering to remove audio tones Apr. 18, 2006
7020213 Method and apparatus for selectively providing different electric signal paths between circuits Mar. 28, 2006
7009534 Isolator for controlled power supply Mar. 7, 2006
7006025 Method for generating a reference current for sense amplifiers and corresponding generator Feb. 28, 2006
6995701 Multichannel high resolution segmented resistor string digital-to-analog converters Feb. 7, 2006
6976042 Low cost white noise generator Dec. 13, 2005
6954163 Hybrid digital/analog processing circuit Oct. 11, 2005
6940432 Subliminal recording device Sep. 6, 2005
6922160 Scalable bus system and method for communicating digital data using analog modulation and demodulation Jul. 26, 2005
6917318 Analog to digital converter that services voice communications Jul. 12, 2005
6900752 Stepwise zero-data-detection mute circuit May. 31, 2005
6879273 Oversampling in analog/digital and digital/analog converters Apr. 12, 2005
6873271 Power supply Mar. 29, 2005
6812874 Method and apparatus for processing analog signal Nov. 2, 2004
6806820 Analog reconstruction of a digital signal Oct. 19, 2004

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