Inventor · disambiguated record
Mehrdad Nayebi
Also filed as: NAYEBI MEHRDAD
35 granted patents·537 citations·filing 1990–2000
97Inventor score
Top patents by PatentIndex Score
35 records- 0191US6014176AAutomatic phase control apparatus for phase locking the chroma burst of analog and digital video data using a numerically controlled oscillatorSONY CORP·Filed 1996·Granted Jan 11, 2000·140 cites·28 claims
- 0289US5675392AMixer with common-mode noise rejectionSONY CORP·Filed 1996·Granted Oct 7, 1997·124 cites·19 claims
- 0376US6175463B1Architecture for hard disk drive write preamplifiersSONY CORP·Filed 1999·Granted Jan 16, 2001·30 cites·5 claims
- 0475US6268756B1Fast high side switch for hard disk drive preamplifiersSONY CORP·Filed 2000·Granted Jul 31, 2001·17 cites·11 claims
- 0567US5291074ABiCMOS track and hold amplifierVANGUARD SEMICONDUCTOR A DIVIS·Filed 1990·Granted Mar 1, 1994·23 cites·13 claims
- 0666US5691663ASingle-ended supply preamplifier with high power supply rejection ratioSONY CORP·Filed 1996·Granted Nov 25, 1997·21 cites·11 claims
- 0762US6064274ARCB cancellation in high-side low power supply current sourcesSONY CORP·Filed 1998·Granted May 16, 2000·18 cites·18 claims
- 0855US6191643B1Voltage boost circuitry for hard drive write preamplifiersSONY CORP·Filed 1999·Granted Feb 20, 2001·12 cites·4 claims
- 0951US6424191B1Low side current sink circuit having improved output impedance to reduce effects of leakage currentSONY ELECTRONICS INC·Filed 2000·Granted Jul 23, 2002·6 cites·7 claims
- 1050US5719532AHorizontal lock detectorSONY CORP·Filed 1996·Granted Feb 17, 1998·15 cites·25 claims
- 1148US5815212AVideo overlay circuit for synchronizing and combining analog and digital signalsSONY CORP·Filed 1996·Granted Sep 29, 1998·12 cites·27 claims
- 1246US6271716B1Rcb cancellation in low-side low power supply current sourcesSONY ELECTRONICS INC·Filed 1998·Granted Aug 7, 2001·10 cites·15 claims
- 1346US5864371ALuminance signal generation circuit with single clamp in closed loop configuration and horizontal synchronization pulse generationSONY CORP·Filed 1997·Granted Jan 26, 1999·11 cites·36 claims
- 1445US6028640ACurrent source and threshold voltage generation method and apparatus for HHK video circuitSONY CORP·Filed 1997·Granted Feb 22, 2000·9 cites·26 claims
- 1545US5784122AChroma lock detectorSONY CORP·Filed 1996·Granted Jul 21, 1998·12 cites·13 claims
- 1644US5686974AMethod of and apparatus for providing a high speed video switchSONY CORP·Filed 1996·Granted Nov 11, 1997·10 cites·19 claims
- 1741US6188268B1Low side current sink circuit having improved output impedance to reduce effects of leakage currentSONY CORP·Filed 1998·Granted Feb 13, 2001·8 cites·18 claims
- 1841US5907367AVideo overlay circuit for synchronizing and combining analog and digital signalsSONY CORP·Filed 1998·Granted May 25, 1999·8 cites·25 claims
- 1939US5760635AApparatus for switching channels within a multi-channel read/write preamplifier circuitSONY CORP·Filed 1996·Granted Jun 2, 1998·6 cites·20 claims
- 2038US5689309AControl circuit for mixing two video signalsSONY CORP·Filed 1996·Granted Nov 18, 1997·7 cites·23 claims
- 2135US6384638B1Differential charge pump for providing a low charge pump currentSONY CORP·Filed 1998·Granted May 7, 2002·6 cites·23 claims
- 2235US5774188ABlack and white video signal detector for detecting the absence of a burst signal from a video signalSONY CORP·Filed 1996·Granted Jun 30, 1998·4 cites·21 claims
- 2334US5689308AVertical reset genereator circuitSONY CORP·Filed 1996·Granted Nov 18, 1997·4 cites·18 claims
- 2433US6141064ALuminance signal generation circuit with single clamp in closed loop configurationSONY CORP·Filed 1997·Granted Oct 31, 2000·3 cites·13 claims
- 2533US6018370ACurrent source and threshold voltage generation method and apparatus for HHK video circuitSONY CORP·Filed 1997·Granted Jan 25, 2000·3 cites·25 claims
- 2632US6100726AHigh input impedance buffer circuit having a high-side current source circuit with RCB cancellationSONY CORP·Filed 1998·Granted Aug 8, 2000·4 cites·28 claims
- 2732US6043850ABurst gate pulse generator circuitSONY CORP·Filed 1997·Granted Mar 28, 2000·2 cites·18 claims
- 2832US6008864AComposite video signal backporch soft-clamp system using servo loopSONY CORP·Filed 1996·Granted Dec 28, 1999·2 cites·19 claims
- 2932US5999221AHorizontal synchronization pulse generation circuitSONY CORP·Filed 1997·Granted Dec 7, 1999·2 cites·22 claims
- 3032US5774185AMethod of and apparatus for removing equalizing pulses without using external pinsSONY CORP·Filed 1996·Granted Jun 30, 1998·3 cites·19 claims
- 3131US5926063AMethod of and apparatus for selectively engaging an internal trap filter and implementing an external trap filter through a single pinSONY CORP·Filed 1997·Granted Jul 20, 1999·1 cites·28 claims
- 3231US5812208ABurst separator and slicer circuitSONY CORP·Filed 1996·Granted Sep 22, 1998·1 cites·14 claims
- 3330US5828254AError regulator circuit for sample and hold phase locked loopsSONY CORP·Filed 1996·Granted Oct 27, 1998·1 cites·14 claims
- 3429US6177825B1Fast high side switch for hard disk drive preamplifiersSONY CORP·Filed 1999·Granted Jan 23, 2001·1 cites·7 claims
- 3528US6304132B1High side current source circuit having improved output impedance to reduce effects of leakage circuitSONY CORP·Filed 1998·Granted Oct 16, 2001·1 cites·17 claims
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