Assignee
PRINCETON TECHNOLOGY CORP
TW·111 granted patents·39 pending applications·646 citations·filing 1988–2015
Top patents by PatentIndex Score
150 records- 0194US7609239B2Display control system of a display panel and control method thereofPRINCETON TECHNOLOGY CORP·Filed 2006·Granted Oct 27, 2009·173 cites·15 claims
- 0290US7768579B2Video and audio system capable of saving electric powerPRINCETON TECHNOLOGY CORP·Filed 2006·Granted Aug 3, 2010·15 cites·6 claims
- 0387US4912463ARemote control apparatusPRINCETON TECHNOLOGY CORP·Filed 1988·Granted Mar 27, 1990·176 cites·6 claims
- 0486US7688146B2Single-ended input to differential-ended output low noise amplifierPRINCETON TECHNOLOGY CORP·Filed 2007·Granted Mar 30, 2010·28 cites·27 claims
- 0583US7265498B2Dimmer control system and controlling method thereofPRINCETON TECHNOLOGY CORP·Filed 2006·Granted Sep 4, 2007·10 cites·17 claims
- 0682US7940334B2Adaptive gamma transform unit and related methodPRINCETON TECHNOLOGY CORP·Filed 2006·Granted May 10, 2011·8 cites·9 claims
- 0777US6965333B1Circuit for using capacitor voltage divider in a delta-sigma digital-to-analog converter to generate reference voltagePRINCETON TECHNOLOGY CORP·Filed 2005·Granted Nov 15, 2005·11 cites·1 claims
- 0876US7392447B2Method of using scan chains and boundary scan for power savingPRINCETON TECHNOLOGY CORP·Filed 2004·Granted Jun 24, 2008·33 cites·1 claims
- 0975US7463082B2Light emitting device and current mirror thereofPRINCETON TECHNOLOGY CORP·Filed 2007·Granted Dec 9, 2008·9 cites·12 claims
- 1075US7042269B2Method for dynamic balancing of a clock treePRINCETON TECHNOLOGY CORP·Filed 2004·Granted May 9, 2006·26 cites·2 claims
- 1168US7907500B2Radio frequency zero crossing signal generator for optical disc drivePRINCETON TECHNOLOGY CORP·Filed 2007·Granted Mar 15, 2011·3 cites·7 claims
- 1267US9030126B2LED driving devicePRINCETON TECHNOLOGY CORP·Filed 2013·Granted May 12, 2015·4 cites·8 claims
- 1367US8345055B2Image display devicePRINCETON TECHNOLOGY CORP·Filed 2009·Granted Jan 1, 2013·2 cites·15 claims
- 1467US7659767B2Boost circuit and level shifterPRINCETON TECHNOLOGY CORP·Filed 2008·Granted Feb 9, 2010·5 cites·6 claims
- 1567US7642801B2Circuit testing apparatus for testing a device under testPRINCETON TECHNOLOGY CORP·Filed 2007·Granted Jan 5, 2010·5 cites·8 claims
- 1667US7605771B2Image-processing system capable of controlling multiple display devicesPRINCETON TECHNOLOGY CORP·Filed 2006·Granted Oct 20, 2009·2 cites·9 claims
- 1767US7486146B2Loop system capable of auto-calibrating oscillating frequency range and related methodPRINCETON TECHNOLOGY CORP·Filed 2007·Granted Feb 3, 2009·6 cites·18 claims
- 1866US7586470B2OLED device capable of adjusting luminancePRINCETON TECHNOLOGY CORP·Filed 2006·Granted Sep 8, 2009·1 cites·6 claims
- 1966US7259616B2Method for single-ended offset compensation of an operational amplifierPRINCETON TECHNOLOGY CORP·Filed 2005·Granted Aug 21, 2007·9 cites·3 claims
- 2065US9072128B2Light-emitting diode driving circuits and driving methods thereofPRINCETON TECHNOLOGY CORP·Filed 2013·Granted Jun 30, 2015·3 cites·17 claims
- 2165US7854544B2Correction apparatus and clock device using the samePRINCETON TECHNOLOGY CORP·Filed 2007·Granted Dec 21, 2010·4 cites·9 claims
- 2264US7519190B2Circuit for reducing pulse noise caused at switching of an analog audio processing circuitPRINCETON TECHNOLOGY CORP·Filed 2005·Granted Apr 14, 2009·4 cites·1 claims
- 2363US7706999B2Circuit testing apparatusPRINCETON TECHNOLOGY CORP·Filed 2007·Granted Apr 27, 2010·5 cites·10 claims
- 2463US7397304B2Auto gain control circuitPRINCETON TECHNOLOGY CORP·Filed 2006·Granted Jul 8, 2008·5 cites·17 claims
- 2563US7102414B2Muting circuit for audio amplifierPRINCETON TECHNOLOGY CORP·Filed 2004·Granted Sep 5, 2006·8 cites·2 claims
- 2662US7958277B2Video player and electronic system utilizing the samePRINCETON TECHNOLOGY CORP·Filed 2006·Granted Jun 7, 2011·1 cites·16 claims
- 2760US8040087B2Control devices and methodsPRINCETON TECHNOLOGY CORP·Filed 2008·Granted Oct 18, 2011·6 cites·19 claims
- 2860US7855571B2Testing circuit board for preventing tested chip positions from being wrongly positionedPRINCETON TECHNOLOGY CORP·Filed 2008·Granted Dec 21, 2010·4 cites·10 claims
- 2960US7209003B2Asynchronous BTL design for a Class-D audio amplifierPRINCETON TECHNOLOGY CORP·Filed 2005·Granted Apr 24, 2007·4 cites·4 claims
- 3059US9380666B2LED driving device and method for improving harmonic current distortion on a LED driving devicePRINCETON TECHNOLOGY CORP·Filed 2015·Granted Jun 28, 2016·1 cites·8 claims
- 3159US7738270B2Power supply devicePRINCETON TECHNOLOGY CORP·Filed 2008·Granted Jun 15, 2010·6 cites·12 claims
- 3259US7577293B2Image compensation device and methodPRINCETON TECHNOLOGY CORP·Filed 2006·Granted Aug 18, 2009·3 cites·22 claims
- 3357US2009280900A1Game controller with audio signal output devicePRINCETON TECHNOLOGY CORP·Filed 2008·Application pending·0 cites
- 3455US7920448B2Runout detection methodPRINCETON TECHNOLOGY CORP·Filed 2008·Granted Apr 5, 2011·0 cites·16 claims
- 3554US7792233B2Packet preamble search method and device thereofPRINCETON TECHNOLOGY CORP·Filed 2006·Granted Sep 7, 2010·2 cites·6 claims
- 3654US6928176B2Switching circuit built in IC for earphone and loudspeaker of portable information devicePRINCETON TECHNOLOGY CORP·Filed 2003·Granted Aug 9, 2005·5 cites·3 claims
- 3754US2009322717A1Field emission display driving circuitPRINCETON TECHNOLOGY CORP·Filed 2008·Application pending·0 cites
- 3853US7830163B2Testing circuit board for testing devices under testPRINCETON TECHNOLOGY CORP·Filed 2008·Granted Nov 9, 2010·2 cites·13 claims
- 3953US7812798B2OLED display device with high output impedancePRINCETON TECHNOLOGY CORP·Filed 2006·Granted Oct 12, 2010·0 cites·6 claims
- 4053US7793177B2Chip testing device and systemPRINCETON TECHNOLOGY CORP·Filed 2007·Granted Sep 7, 2010·2 cites·20 claims
- 4153US7782728B2Device for layer-jumping control of optical disc devices and related methodPRINCETON TECHNOLOGY CORP·Filed 2007·Granted Aug 24, 2010·0 cites·18 claims
- 4253US7653353B2Receiver IC with saw-based oscillatorPRINCETON TECHNOLOGY CORP·Filed 2006·Granted Jan 26, 2010·1 cites·10 claims
- 4351US8384326B2Motor controlling circuit for multiple control modesPRINCETON TECHNOLOGY CORP·Filed 2010·Granted Feb 26, 2013·1 cites·14 claims
- 4451US7772935B2Oscillator voltage source circuitsPRINCETON TECHNOLOGY CORP·Filed 2008·Granted Aug 10, 2010·2 cites·8 claims
- 4551US7567127B2Automatic-gain control circuitPRINCETON TECHNOLOGY CORP·Filed 2006·Granted Jul 28, 2009·2 cites·14 claims
- 4651US6925184B2Method for converting two-channel audio system into multichannel audio system and an audio processor thereofPRINCETON TECHNOLOGY CORP·Filed 2002·Granted Aug 2, 2005·3 cites·3 claims
- 4750US8031773B2Image processing apparatusPRINCETON TECHNOLOGY CORP·Filed 2008·Granted Oct 4, 2011·0 cites·8 claims
- 4850US7649387B2Output driving circuitsPRINCETON TECHNOLOGY CORP·Filed 2008·Granted Jan 19, 2010·2 cites·20 claims
- 4950US7123492B1Circuit for reducing inrush current generated during startup of a switching power supplyPRINCETON TECHNOLOGY CORP·Filed 2005·Granted Oct 17, 2006·5 cites·1 claims
- 5050US2009140877A1Remote controllerPRINCETON TECHNOLOGY CORP·Filed 2008·Application pending·0 cites
Showing the top 50 of 150 patent records by PatentIndex Score.
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