Assignee
PHOTOBIT CORP
US·29 granted patents·1 pending application·1,602 citations·filing 1996–2001
Top patents by PatentIndex Score
30 records- 0197US6388243B1Active pixel sensor with fully-depleted buried photoreceptorPHOTOBIT CORP·Filed 2000·Granted May 14, 2002·129 cites·20 claims
- 0296US6166367AProgrammable analog arithmetic circuit for imaging sensorPHOTOBIT CORP·Filed 1999·Granted Dec 26, 2000·266 cites·23 claims
- 0396US6137100ACMOS image sensor with different pixel sizes for different colorsPHOTOBIT CORP·Filed 1998·Granted Oct 24, 2000·286 cites·12 claims
- 0495US6222172B1Pulse-controlled light emitting diode sourcePHOTOBIT CORP·Filed 1999·Granted Apr 24, 2001·135 cites·12 claims
- 0593US6005619AQuantum efficiency improvements in active pixel sensorsPHOTOBIT CORP·Filed 1997·Granted Dec 21, 1999·120 cites·36 claims
- 0692US6239456B1Lock in pinned photodiode photodetectorPHOTOBIT CORP·Filed 1999·Granted May 29, 2001·73 cites·12 claims
- 0789US6222175B1Charge-domain analog readout for an image sensorPHOTOBIT CORP·Filed 1999·Granted Apr 24, 2001·179 cites·23 claims
- 0886US5995163AMedian filter with embedded analog to digital converterPHOTOBIT CORP·Filed 1996·Granted Nov 30, 1999·49 cites·14 claims
- 0976US6476751B1Low voltage analog-to-digital converters with internal reference voltage and offsetPHOTOBIT CORP·Filed 2000·Granted Nov 5, 2002·11 cites·21 claims
- 1075US6087970AAnalog-to-digital conversionPHOTOBIT CORP·Filed 1998·Granted Jul 11, 2000·36 cites·18 claims
- 1168US6388241B1Active pixel color linear sensor with line—packed pixel readoutPHOTOBIT CORP·Filed 1999·Granted May 14, 2002·30 cites·20 claims
- 1267US6229134B1Using cascaded gain stages for high-gain and high-speed readout of pixel sensor dataPHOTOBIT CORP·Filed 1999·Granted May 8, 2001·27 cites·15 claims
- 1366US6194696B1Active pixel sensor with current mode readoutPHOTOBIT CORP·Filed 1999·Granted Feb 27, 2001·30 cites·38 claims
- 1463US6295013B1Nonlinear flash analog to digital converter used in an active pixel systemPHOTOBIT CORP·Filed 1998·Granted Sep 25, 2001·27 cites·14 claims
- 1562US6184721B1CMOS voltage comparator capable of operating with small input voltage differencePHOTOBIT CORP·Filed 1999·Granted Feb 6, 2001·17 cites·17 claims
- 1661US6452666B1Optical range finderPHOTOBIT CORP·Filed 1999·Granted Sep 17, 2002·41 cites·28 claims
- 1759US6147519ALow-voltage comparator with wide input voltage swingPHOTOBIT CORP·Filed 1998·Granted Nov 14, 2000·15 cites·27 claims
- 1857US6043690ABidirectional follower for driving a capacitive loadPHOTOBIT CORP·Filed 1998·Granted Mar 28, 2000·14 cites·7 claims
- 1956US6365886B1Smart column controls for high speed multi-resolution sensorsPHOTOBIT CORP·Filed 1999·Granted Apr 2, 2002·19 cites·19 claims
- 2055US6388242B1Micro power micro-sized CMOS active pixelPHOTOBIT CORP·Filed 1999·Granted May 14, 2002·15 cites·4 claims
- 2155US6097545AConcentric lens with aspheric correctionPHOTOBIT CORP·Filed 1999·Granted Aug 1, 2000·23 cites·12 claims
- 2253US6211804B1Using single lookup table to correct differential non-linearity errors in an array of A/D convertersPHOTOBIT CORP·Filed 1999·Granted Apr 3, 2001·12 cites·14 claims
- 2352US6204792B1Ping-pong readoutPHOTOBIT CORP·Filed 1999·Granted Mar 20, 2001·15 cites·9 claims
- 2452US6049247ALow-voltage common source switched-capacitor amplifierPHOTOBIT CORP·Filed 1998·Granted Apr 11, 2000·13 cites·26 claims
- 2542US2002064143A1Multicode CDMA transmitter with improved signal processingPHOTOBIT CORP·Filed 2001·Application pending·0 cites
- 2641US6388593B2Differential non-linearity correction schemePHOTOBIT CORP·Filed 2000·Granted May 14, 2002·1 cites·17 claims
- 2740US6452528B1Double comparison successive approximation method and apparatusPHOTOBIT CORP·Filed 1999·Granted Sep 17, 2002·7 cites·6 claims
- 2837US6215428B1Differential non-linearity correction schemePHOTOBIT CORP·Filed 1998·Granted Apr 10, 2001·4 cites·9 claims
- 2932US6255970B1Correction of missing codes nonlinearity in A to D convertersPHOTOBIT CORP·Filed 1998·Granted Jul 3, 2001·2 cites·14 claims
- 3022US6191714B1A/D converter correction schemePHOTOBIT CORP·Filed 1998·Granted Feb 20, 2001·6 cites·20 claims
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