Patent assignee · US · COMPANY

Tripath Technology, Inc.

44Patents
0Active
44Granted
38Portfolio score

Filing activity: Jun 20, 1996 → Dec 2, 2004

Most-cited patents

PatentTitleAreaCited byStatus
US6107844A Methods and apparatus for reducing MOSFET body diode conduction in a half-bridge configuration Emerging Cross-Sectional Technologies 81 Expired
US5777512A Method and apparatus for oversampled, noise-shaping, mixed-signal processing Electricity 73 Expired
US6316992A DC offset calibration for a digital switching amplifier Electricity 57 Expired
US5974089A Method and apparatus for performance improvement by qualifying pulses in an oversampled noise-shaping signal processor Electricity 53 Expired
US6693491B1 Method and apparatus for controlling an audio signal level Electricity 41 Expired
US6617642B1 Field effect transistor structure for driving inductive loads Electricity 40 Expired
US6724248B2 DC offset self-calibration system for a digital switching amplifier Electricity 29 Expired
US6362683B1 Break-before-make distortion compensation for a digital amplifier Electricity 25 Expired
US6127893A Method and apparatus for controlling an audio signal level Electricity 19 Expired
US6297697A Methods and apparatus for noise shaping a mixed signal power output Electricity 19 Expired
US5909153A Method and apparatus for compensating for delays in modulator loops Electricity 16 Expired
US6281747A Power efficient line driver Electricity 14 Expired
US6621339B2 Methods and apparatus for facilitating negative feedback, providing loop stability, and improving amplifier efficiency Electricity 13 Expired
US7026866B2 DC offset self-calibration system for a switching amplifier Electricity 12 Expired
US6515604B2 Mixed signal processing unit with improved distortion and noise characteristics Electricity 11 Expired
US6630899B2 Scheme for maximizing efficiency of power amplifier under power backoff conditions Electricity 10 Expired
US6169681A Power supply topology to reduce the effects of supply pumping Electricity 10 Expired
US6246283A Power efficient line driver Electricity 10 Expired
US6628166B2 RF communication system using an RF digital amplifier Electricity 9 Expired
US6362679B1 Power device driver circuit Electricity 9 Expired
US6414560B2 Loop delay compensation for a digital power amplifier Electricity 8 Expired
US6577189B2 Scheme for reducing transmit-band noise floor and adjacent channel power with power backoff Electricity 7 Expired
US6411165B1 Active common mode feedback for unbalanced input and feedback signals and methods thereof Electricity 7 Expired
US6566946B2 Noise reduction scheme for operational amplifiers Electricity 7 Expired
US7142047B2 Offset cancellation in a switching amplifier Electricity 7 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.