Inventor · Austin, TX, US

Daniel L. W. Chieng

25Patents
7h-index
15Co-inventors
62Inventor score

Filing activity: Mar 19, 2004 → Feb 14, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US7167112B2 Systems and methods for implementing a sample rate converter using hardware and software to maximize speed and flexibility Electricity 91 Expired
US7286009B2 Digital PWM amplifier with simulation-based feedback Electricity 47 Expired
US7576606B2 Digital PWM amplifier having a low delay corrector Electricity 12 Active
US7286010B2 Systems and methods for over-current protection Electricity 11 Expired
US7728658B2 Low-noise, low-distortion digital PWM amplifier Electricity 10 Active
US7482865B2 Systems and methods for correcting errors resulting from component mismatch in a feedback path Electricity 8 Active
US7738613B1 Streaming multi-channel audio as packetized data or parallel data with a separate input frame sync Electricity 8 Active
US7474722B1 Systems and methods for sample rate conversion using multiple rate estimate counters Electricity 7 Active
US7812666B2 Low delay corrector Electricity 6 Active
US7908306B1 SRC with multiple sets of filter coefficients in memory and a high order coefficient interpolator Electricity 6 Active
US7518444B2 PWM feedback/feed-forward protection Electricity 5 Active
US7970088B2 Systems and methods for sample rate conversion Electricity 2 Active
US7436255B2 Power supply feed forward analog input filter component mismatch correction Electricity 2 Active
US8494180B2 Systems and methods to reduce idle channel current and noise floor in a PWM amplifier Electricity 2 Active
USRE44525E1 Systems and methods for over-current protection General 2 Active
US8249730B2 Systems and methods for shadowing an HDA codec Physics 1 Active
US8082438B2 Systems and methods for booting a codec processor over a high definition audio bus Physics 1 Active
US7584009B2 Multi-chip PWM synchronization and communication Electricity 1 Expired
US7729790B1 Phase alignment of audio output data in a multi-channel configuration Electricity 1 Active
USRE43489E1 Systems and methods for implementing a sample rate converter using hardware and software to maximize speed and flexibility General 1 Active
US8219226B2 Systems and methods for overriding hardwired responses in an HDA codec Physics 0 Active
US10700606B2 Method and system controlling DC-DC voltage converters using tracking signal Electricity 0 Active
US8224469B2 Systems and methods for controlling audio volume in the processor of a high definition audio codec Physics 0 Active
US11133745B2 Automatic power-on-reset detection and recovery of a multi-phase digital buck controller Electricity 0 Active
US10110127B2 Method and system for DC-DC voltage converters Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.