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Class Information
Number: 341/137
Name: Coded data generation or conversion > Analog to or from digital conversion > Using optical device, (e.g., fiber optics, cathode ray tubes)
Description: Subject matter wherein the analog to or from digital conversion is achieved using devices which generate, detect or transmit light (e.g., photoelectric cells, photomultipliers, Kerr cells, light relays, electroluminescent devices, etc.).
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7403142 |
Optical quantizing unit and optical A/D converter |
Jul. 22, 2008 |
| 7403143 |
Optical quantizing unit and optical A/D converter |
Jul. 22, 2008 |
| 7403711 |
Optical digital-to-analog converter and method of optically converting digital data to analog form |
Jul. 22, 2008 |
| 7388535 |
Digitizing front end for optical receiver |
Jun. 17, 2008 |
| 7376349 |
Analog to digital converter systems and methods |
May. 20, 2008 |
| 7372386 |
Parallel digital-to-analog-converter |
May. 13, 2008 |
| 7365665 |
Photodiode digitizer with fast gain switching |
Apr. 29, 2008 |
| 7355538 |
Binary delta-sigma modulator |
Apr. 8, 2008 |
| 7321731 |
Optical pulse position modulation discriminator |
Jan. 22, 2008 |
| 7289048 |
Duo-binary encoder and optical duo-binary transmission apparatus using the same |
Oct. 30, 2007 |
| 7233261 |
Microwave frequency electro-optical beam deflector and analog to digital conversion |
Jun. 19, 2007 |
| 7212140 |
Photonic analog-to-digital converters using photonic crystals |
May. 1, 2007 |
| 7196646 |
Complementary transistor comparing circuits for time-to-threshold A/D conversion in digital imaging arrays |
Mar. 27, 2007 |
| 7126512 |
Comparing circuits for time-to-threshold A/D conversion in digital imaging arrays |
Oct. 24, 2006 |
| 7064697 |
Photonic sigma delta analog-to-digital conversation employing dual heterojunction thyristors |
Jun. 20, 2006 |
| 7061414 |
Optical digital-to-analog converter |
Jun. 13, 2006 |
| 7031042 |
Signal converter for converting digital input signal to optical modulation signal |
Apr. 18, 2006 |
| 7016421 |
Time-interleaved delta sigma analog to digital modulator |
Mar. 21, 2006 |
| 6930623 |
Optical signal processing system |
Aug. 16, 2005 |
| 6909386 |
Duo-binary encoder and optical duo-binary transmission apparatus |
Jun. 21, 2005 |
| 6891489 |
Cross-talk linearity connection |
May. 10, 2005 |
| 6873279 |
Adaptive decision slicer |
Mar. 29, 2005 |
| 6873273 |
Photonic serial digital-to-analog converter employing a heterojunction thyristor device |
Mar. 29, 2005 |
| 6865344 |
Code-switched optical networks |
Mar. 8, 2005 |
| 6850176 |
Method for converting an analog signal into a digital signal and electromagnetic radiation sensor using same |
Feb. 1, 2005 |
| 6822591 |
Logic element employing saturable absorber |
Nov. 23, 2004 |
| 6801147 |
Optical system and method for performing analog to digital conversion |
Oct. 5, 2004 |
| 6781537 |
High speed digital to analog converter |
Aug. 24, 2004 |
| 6771201 |
Hybrid photonic analog to digital converter using superconducting electronics |
Aug. 3, 2004 |
| 6766382 |
Method of information transfer using optical zones |
Jul. 20, 2004 |
| 6756926 |
Optical transmitter and code conversion circuit used therefor |
Jun. 29, 2004 |
| 6750790 |
Data-encoding apparatus, data-encoding method, data-decoding apparatus, data-decoding method, data-transmitting apparatus, data-receiving apparatus, data storage medium and computer programs |
Jun. 15, 2004 |
| 6747587 |
Digital / analog converter |
Jun. 8, 2004 |
| 6731231 |
Analogue to digital converter |
May. 4, 2004 |
| 6714149 |
Electro-optical analog to digital conversion method and device |
Mar. 30, 2004 |
| 6700517 |
Photonic analog-to-digital converter |
Mar. 2, 2004 |
| 6661361 |
High speed optical analog to digital converter and digital optical wavemeter |
Dec. 9, 2003 |
| 6642872 |
Optical code converter for optical code division multiplex system |
Nov. 4, 2003 |
| 6635859 |
Method and apparatus for light to frequency conversion |
Oct. 21, 2003 |
| 6538587 |
Analog to digital converting device with multiple channels |
Mar. 25, 2003 |
| 6529150 |
Photonic analog to digital conversion based on temporal and spatial oversampling techniques |
Mar. 4, 2003 |
| 6525682 |
Photonic parallel analog-to-digital converter |
Feb. 25, 2003 |
| 6507305 |
Pipelined analog-to-digital converter with noise shaping |
Jan. 14, 2003 |
| 6466145 |
Methods and apparatus for transferring data from a display screen |
Oct. 15, 2002 |
| 6448913 |
TOAD- based optical data format converter |
Sep. 10, 2002 |
| 6433715 |
High-speed serial-to-parallel and analog-to-digital conversion |
Aug. 13, 2002 |
| 6420984 |
Optical kerr effect analog to digital converter |
Jul. 16, 2002 |
| 6420985 |
Photonic wide-band analog to digital converter and method |
Jul. 16, 2002 |
| 6404366 |
Photonic analog-to-digital converter utilizing wavelength division multiplexing and distributed optical phase modulation |
Jun. 11, 2002 |
| 6404365 |
Fully optical analog to digital converters with complementary outputs |
Jun. 11, 2002 |
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