Patents for G02F 7 - Optical analogue/digital converters (344)
06/2004
06/09/2004EP1426791A2 Photonic crystals and photonic analog-to-digital converters
06/09/2004CN1503045A Combined convolution diaphragm indicator grating
05/2004
05/26/2004CN2618179Y Laser calibrating light source
05/19/2004CN1497329A Camera, method and system of coding using local shading
04/2004
04/28/2004CN2613787Y Quick positioning installed glass optical grating disk
04/28/2004CN2613786Y Indication optical grating for photoelectric coder
04/21/2004CN1490401A Low freedom energy surface microprocessing method for controlling cell positioning and use thereof
04/14/2004CN1145842C A/D conversion method and appts.
03/2004
03/18/2004US20040052448 Analogue-to-digital conversion arrangement
03/02/2004US6700517 Photonic analog-to-digital converter
02/2004
02/18/2004CN2603951Y Reflection type non-axis photoelectric encoder
01/2004
01/14/2004CN1134697C Diving circuit for electro-optical device, electro-optical device and electronic device thereof
01/08/2004WO2002065205A9 Optical device having nonmonotonic transfer function and applications using same
12/2003
12/25/2003US20030235413 Data processing using polarization-based optical switching and broadcasting
12/09/2003US6661361 High speed optical analog to digital converter and digital optical wavemeter
11/2003
11/19/2003EP1362259A2 Optical device having nonmonotonic transfer function and applications using same
11/19/2003CN2586987Y Diagonal bar metal grating disc
11/19/2003CN2586986Y Encoder with simple mounting optical grating disc
11/05/2003CN2585274Y Multiple channel light-spot/digital electrical signal converter
10/2003
10/29/2003CN2583699Y Optical digital locating device
10/21/2003US6636337 Optical switching device based on stable, non-absorbing optical hard limiters
10/15/2003CN1448774A Photoelectric angular encoder
03/2003
03/19/2003CN1404158A Making process of phase grating image sensor
03/06/2003US20030044729 Method of manufacturing phase grating image sensor
02/2003
02/27/2003WO2002065205A3 Optical device having nonmonotonic transfer function and applications using same
02/25/2003US6524772 Method of manufacturing phase grating image sensor
02/06/2003US20030025975 Optical signal time-scaling arrangement
12/2002
12/26/2002US20020195208 Optical device having nonmonotonic transfer function and applications using same
12/12/2002WO2002011490A3 Data processing using polarization-based optical switching and broadcasting
11/2002
11/28/2002US20020175845 A/D conversion method and apparatus
10/2002
10/01/2002US6459522 Time-interleaved optical pulses for signal processing
09/2002
09/18/2002CN1370288A A/D conversion method and appts.
09/04/2002CN1090354C 光学式解码器 Optical Decoder
09/04/2002CN1090353C Computer system with two phase checkpoints
08/2002
08/22/2002WO2002065205A2 Optical device having nonmonotonic transfer function and applications using same
08/22/2002CA2433934A1 Optical device having nonmonotonic transfer function and applications using same
08/15/2002US20020109873 Optical switching device based on stable, non-absorbing optical hard limiters
06/2002
06/11/2002US6404366 Photonic analog-to-digital converter utilizing wavelength division multiplexing and distributed optical phase modulation
06/11/2002US6404365 Fully optical analog to digital converters with complementary outputs
06/06/2002WO2002045269A1 A photonic analog-to-digital converter utilizing wavelength division multiplexing and distributed and distributed optical phase modulation
06/06/2002US20020067299 Photonic analog-to-digital converter utilizing wavelength division multiplexing and distributed optical phase modulation
06/05/2002EP1210644A1 A/d conversion method and apparatus
05/2002
05/22/2002EP1207624A2 Distortion compensation technique for flash-type analog-to-digital converters
04/2002
04/30/2002US6380920 Electro-optical device drive circuit, electro-optical device and electronic equipment using the same
03/2002
03/27/2002EP1190275A1 High speed optical analogue to digital converter and digital optical wavemeter
02/2002
02/07/2002WO2002011490A2 Data processing using polarization-based optical switching and broadcasting
12/2001
12/20/2001WO2001073951A3 Analogue-to-digital conversion arrangement
12/04/2001US6326910 Photonic analog-to-digital conversion using light absorbers
10/2001
10/04/2001WO2001073951A2 Analogue-to-digital conversion arrangement
09/2001
09/20/2001WO2001069820A1 Optical signal time-scaling arrangement
09/20/2001US20010022878 Optical signal processing device using optical gate
09/18/2001US6292119 Delayed pulse saturable absorber-based downward-folding optical A/D
09/13/2001US20010021059 Time-interleaved optical pulses for signal processing
09/12/2001EP1132766A2 Optical signal processing device using optical gate
06/2001
06/12/2001US6246350 Optoelectronic analog-to-digital converter
04/2001
04/17/2001US6219172 Sampling and processing signals by using optical pulses
03/2001
03/27/2001US6207947 Using DUV curing to form a protective coating for color filters
02/2001
02/22/2001WO2001013170A1 A/d conversion method and apparatus
01/2001
01/16/2001US6175320 All optical analog-to-digital converter employing an improved stabilized optical interferometer
12/2000
12/14/2000WO2000075721A1 High speed optical analogue to digital converter and digital optical wavemeter
12/12/2000US6160930 Optical sample and hold architecture
12/12/2000US6160504 Repetitive absorptive thresholding optical quantizer
09/2000
09/19/2000US6121907 Upward-folding successive-approximation optical analog-to-digital converter and method for performing conversion
09/19/2000US6119937 Information reproduction system, information recording system and information recording medium utilizing an optically readable DOT code
09/13/2000CN2396413Y Multi-ring absolute magnitude optoelectric encoder
09/12/2000US6118397 Fully optical analog to digital converters with complementary outputs
09/06/2000EP1032989A1 Sampling of electronic signals using optical pulses
06/2000
06/28/2000EP1014588A2 Optoelectronic analog-to-digital converter
05/2000
05/31/2000CN1254852A Diver for electro-optical device, electro-optical device and electronic device thereof
05/16/2000US6064325 Frequency modulation-based folding optical analog-to-digital converter
04/2000
04/19/2000EP0994458A1 Video signal driver for matrix display
03/2000
03/15/2000EP0985956A1 Upward-folding successive approximation optical analog-to-digital converter and method for performing conversion
03/15/2000EP0985955A1 Frequency modulation-based folding optical analog-to-digital-converter
02/2000
02/16/2000EP0980147A2 Optical sample and hold architecture
09/1999
09/23/1999WO1999047900A1 Using duv curing to form a protective coating for color filters
05/1999
05/27/1999WO1999026363A1 Sampling of electronic signals using optical pulses
05/27/1999CA2310626A1 Sampling of electronic signals using optical pulses
03/1999
03/10/1999CN1210311A 光学式解码器 Optical decoder
01/1999
01/13/1999CN2304143Y Zero-setting circuit for single-chip-machine type photoelectric coder
12/1998
12/01/1998US5845326 Computer system and method for obtaining memory check points and recovering from faults using the checkpoints and cache flush operations
10/1998
10/13/1998US5822108 Digital optical power modulator
02/1998
02/25/1998EP0825720A1 Analogue to digital converter
05/1997
05/13/1997US5629699 Analogue-to-digital converter and analogue-to-digital conversion system embodying said converter
05/06/1997US5627920 Optical-optical modulators
03/1997
03/26/1997CN1146026A Computer system with two phase checkpoints
12/1996
12/27/1996EP0750259A1 Computer system with two phase checkpoints
01/1996
01/31/1996EP0694805A1 Analog-digital converter and analog-digital system using said converter
09/1995
09/12/1995US5449907 Programmable on-focal plane signal processor
05/1995
05/03/1995EP0651566A1 Programmable on-focal plane signal processor
01/1995
01/10/1995US5381147 Process for the analog-to-digital conversion of microwave signals
11/1993
11/23/1993US5264849 Optical A/D conversion using asymmetrical-neural-networks
11/18/1993DE4216065A1 Microwave signal A=D conversion by Mach-Zehnder modulator-interferometer - offsetting optical carriers by microwave frequency and feeding as electrical signals to comparator, with electric fields in optical waveguides differing by factor of two
11/18/1993DE4216064A1 Optical A=D converter usable at frequencies above 1 GHz - phase-shifts optical signals of coherent laser source after vertical and horizontal polarisation
02/1993
02/17/1993CN1069120A Photoelectric coding disk produced by " huiwen" code and its design procedure
08/1992
08/25/1992US5142285 Acousto-optic theta modulation-based analog-to-digital converter
08/11/1992US5137359 Digital phase modulator for fiber optic sagnac interferometer
03/1992
03/04/1992CN2098047U Fast face spectrum detector
08/1991
08/13/1991US5039988 Optoelectronic digital to analog converter
04/1991
04/23/1991US5010346 Electro-optical analog-to-digital converter and method for digitizing an analog signal
02/1991
02/12/1991US4991920 Optical converter
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