Inventor · Cupertino, CA, US

Ping Dong

35Patents
9h-index
34Co-inventors
75Inventor score

Filing activity: May 12, 1989 → Apr 14, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US5048054A Line probing modem Electricity 116 Expired
US5297186A Device and method for on-line adaptive selection of baud rate and carrier frequency Electricity 92 Expired
US5428629A Error check code recomputation method time independent of message length Electricity 49 Expired
US5535228A Device and method for achieving rotational invariance in a multi-level trellis coding system Electricity 38 Expired
US5267249A Device and method for asynchronous cyclic redundancy checking for digital receivers Electricity 29 Expired
US6343101B1 Frame-based sign inversion method and system for spectral shaping for pulse-coded-modulation modems Electricity 27 Expired
US6327249A Data communication device Electricity 15 Expired
US7277491B2 Data access arrangement using a high frequency transformer for electrical isolation Electricity 12 Expired
US8750528B2 Audio apparatus and audio controller thereof Electricity 9 Active
US6463103B1 Frame-based sign inversion method and system for spectral shaping for pulse-coded-modulation modems Electricity 8 Expired
US5268655A Device and method for automatically adjusting a phase-locked loop Electricity 6 Expired
US7027399B2 Data communication device Electricity 5 Expired
US8219872B2 Extended deinterleaver for an iterative decoder Electricity 3 Active
US8108749B2 Diversity combining iterative decoder Electricity 2 Active
US7151574B2 Optimized structure for digital separation of composite video signals Electricity 2 Expired
USD1016010S1 Hearing aids and charging case set General 2 Active
US6697831B2 Device and method for performing multiple modulus conversion using inverse modulus multiplication Physics 1 Expired
US8359499B2 Method and apparatus for deinterleaving in a digital communication system Electricity 1 Active
US7020674B2 Device and method for performing multiple modulus conversion using inverse modulus multiplication Physics 1 Expired
US8135058B2 Adaptive known signal canceller Electricity 1 Active
US11215475B2 Experimental calibration method for redundant inertial measurement unit Physics 0 Active
US11894991B2 Rate negotiation method and apparatus thereof Electricity 0 Active
US8077821B2 Optimized timing recovery device and method using linear predictor Electricity 0 Active
USD1053362S1 Hearing aid General 0 Active
US11939190B2 Elevating apparatus based on hetero-oriented, non-isometric, dual-spiral drive structure Fixed Constructions 0 Active

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