Inventor
Vijayakumar Dhanasekaran
Inventor
San Diego, CA, US
Overview
Patents· 27 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Fprimary
H03FAmplifiers50%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems13%
H03GControl of amplification8%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers8%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications5%
G05FSystems for regulating electric or magnetic variables3%
G06FElectric digital data processing3%
G11CStatic stores3%
H03KPulse technique3%
H03MCoding3%
PatentTitleYear
10,673,449Digital-to-analog converter with glitch-irrelevant reference voltage to increase linearity202010,447,212Amplifier with nonlinearity compensation201910,194,234Cancelation of induced ground noise in a headphone output201910,003,312Amplifier with feedback circuit20189,998,077Amplifier with nonlinearity compensation20189,977,755Mobile device with multiple communication capabilities20189,941,790DC-to-DC converter20189,641,128'High linearity structure for amplifier'20179,467,098'Slew rate control boost circuits and methods'20169,467,100'Reference amplifier coupled to a voltage divider circuit to provide feedback for an amplifier'20169,438,189'Low voltage multi-stage amplifier'20169,326,073'FM filtering for class-G/H headphones'20169,312,755'Charge pump power savings'20169,312,848'Glitch suppression in an amplifier'20169,306,504'Waveform shaping for audio amplifiers'20169,225,294'Amplifier with improved noise reduction'20159,071,136'System and method for suppression of peaking in an external LC filter of a buck regulator'20159,035,699'Multi-stage amplifier'20158,947,125'Fast, low power comparator with dynamic bias background'20158,896,383'Enhanced pulse frequency modulation (PFM) control mode for switching regulators'20148,717,097'Amplifier with improved noise reduction'20148,576,011'Amplifier with high power supply noise rejection'20137,872,531'Amplifier bias techniques'20117,453,319'Multi-path common mode feedback for high speed multi-stage amplifiers'20087,259,627'True differential microphone amplifier'20077,239,195'Active power supply rejection using negative current generation loop feedback'20076,653,711'Reducing fuse programming time for non-volatile storage of data'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2008Patents assigned to TEXAS INSTRUMENTS INC (2)· patent assignee history
2003Based in Chennai, IN· patent location history
2007Patents assigned to INTERSIL INC (2)· patent assignee history
2007–2008Based in Bryan, TX, US· patent location history
2011–2020Patents assigned to QUALCOMM INC (23)· patent assignee history
2011–2020Based in San Diego, CA, US· patent location history
2013–2016Patents assigned to DHANASEKARAN VIJAYAKUMAR (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| QUALCOMM INC | 23 | 2011–2020 |
| DHANASEKARAN VIJAYAKUMARself | 4 | 2013–2016 |
| INTERSIL INC | 2 | 2007 |
| TEXAS INSTRUMENTS INC | 2 | 2003–2008 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Diego, California, US | 23 | 2011–2020 |
| Bryan, Texas, US | 3 | 2007–2008 |
| Chennai, IN | 1 | 2003 |