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.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →