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Class Information
Number: 341/132
Name: Coded data generation or conversion > Analog to or from digital conversion > Detecting analog signal peak
Description: Subject matter including means whereby the maximum or minimum point of the analog signal waveform is detected.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8649471 Application of crest factor reduction to a signal Feb. 11, 2014
8482444 Calibration of analog-to-digital converter data capture Jul. 9, 2013
8457585 Noise reduction system and method Jun. 4, 2013
8421802 Peak visualization enhancement display system for use with a compressed waveform display on a non-destructive inspection instrument Apr. 16, 2013
8368572 Detecting device Feb. 5, 2013
8009075 Analog to digital converter (ADC) with extended dynamic input range Aug. 30, 2011
7847715 Segmented optics circuit drive for closed loop fiber optic sensors Dec. 7, 2010
7738565 Peak detector Jun. 15, 2010
7688241 Method and apparatus for detecting an analogue signal using a selection circuit Mar. 30, 2010
7605730 Analog-digital converting apparatus and radio communication terminal Oct. 20, 2009
7589651 Flexible signal detect for programmable logic device serial interface Sep. 15, 2009
7576665 System and method for receiving analog and digital input Aug. 18, 2009
7577183 Transmission apparatus and peak reduction method Aug. 18, 2009
7541955 A/D conversion circuit and optical disk drive Jun. 2, 2009
7498964 Analog interface for digital instrumentation Mar. 3, 2009
7471226 Radio frequency digital-to-analog converter Dec. 30, 2008
7356186 Digital representation of audio waveforms using peak shifting to provide increased dynamic range Apr. 8, 2008
7126521 Two-dimension digital ratiometric decoder Oct. 24, 2006
7123176 Digital peak detector with noise threshold and method Oct. 17, 2006
7116253 Radio frequency digital-to-analog converter Oct. 3, 2006
6606047 Methods and apparatus for estimating clipped samples during analog to digital conversion Aug. 12, 2003
6476743 Magnetic stripe reader Nov. 5, 2002
6417794 System and apparatus for digitally calibrating capacitors in an analog-to-digital converter using successive approximation Jul. 9, 2002
6407689 Method and apparatus for controlling stages of a multi-stage circuit Jun. 18, 2002
6388596 Digital signal demodulation using weighted peak sample averaging May. 14, 2002
6359578 System for externally referenced ratiometric signal processing Mar. 19, 2002
6342849 Method and apparatus for peak detection of an analog signal Jan. 29, 2002
6246353 Integrated-circuit structures and methods for correction of temperature and process-induced parameter errors Jun. 12, 2001
6195028 Amplifier gain control method using conditional updating Feb. 27, 2001
6177895 Selective digital integrator Jan. 23, 2001
6166669 Protection from inbound signal noise caused by inductively coupled outbound signal transitions by controlling decision threshold Dec. 26, 2000
6100829 Method and apparatus for a digital peak detection system including a countdown timer Aug. 8, 2000
6094152 Algorithm for A/D window control for electronic portal image acquisition in a radiotherapy system Jul. 25, 2000
5987392 Wave form peak detector Nov. 16, 1999
5861831 Intermediate frequency (IF) sampling clock-to-clock auto-ranging analog-to-digital converter (ADC) and method Jan. 19, 1999
5847668 Device for sampling data for fatigue analysis by rainflow method Dec. 8, 1998
5828328 High speed dynamic range extension employing a synchronous digital detector Oct. 27, 1998
5825319 High speed wide bandwidth digital peak detector Oct. 20, 1998
5691719 Analog/digital converter capable of defining and storing A/D converted data Nov. 25, 1997
5670951 Radio communication device and method for generating threshold levels in a radio communication device for receiving four-level signals Sep. 23, 1997
5663727 Frequency response analyzer and shaping apparatus and digital hearing enhancement apparatus and method utilizing the same Sep. 2, 1997
5659313 System and method for reducing noise during analog to digital conversion Aug. 19, 1997
5594436 Signal processing channel with high data rate and low power consumption Jan. 14, 1997
5555452 Peak and valley signal measuring circuit using single digital-to-analog converter Sep. 10, 1996
5539402 System for memorizing maximum values Jul. 23, 1996
5381146 Voltage-tracking circuit and application in a track-and-hold amplifier Jan. 10, 1995
5363100 Digital peak-threshold tracking method and apparatus Nov. 8, 1994
5359606 Data quality analysis in a data signal processing channel Oct. 25, 1994
5298899 PCM encoder and decoder using exkrema Mar. 29, 1994
5254995 Analog to digital peak detector utilizing a synchronization signal Oct. 19, 1993

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