Tim A. Williams
39Patents
18h-index
42Co-inventors
81Inventor score
Filing activity: Dec 30, 1980 → Oct 12, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7904117B2 | Wireless communication device using adaptive beamforming | Electricity | 359 | Expired |
| US6781962B1 | Apparatus and method for voice message control | Electricity | 213 | Expired |
| US5557642A | Direct conversion receiver for multiple protocols | Electricity | 177 | Expired |
| US5428638A | Method and apparatus for reducing power consumption in digital communications devices | Emerging Cross-Sectional Technologies | 114 | Expired |
| US4682302A | Logarithmic arithmetic logic unit | Physics | 89 | Expired |
| US4727508A | Circuit for adding and/or subtracting numbers in logarithmic representation | Physics | 76 | Expired |
| US7375535B1 | Scan method and topology for capacitive sensing | Physics | 66 | Expired |
| US6446077B2 | Inherited information propagator for objects | Emerging Cross-Sectional Technologies | 65 | Expired |
| US7756837B2 | Methods and apparatus for searching backup data based on content and attributes | Physics | 51 | Active |
| US4876542A | Multiple output oversampling A/D converter with each output containing data and noise | Electricity | 43 | Expired |
| US6088457A | Method and apparatus for over the air programming a communication device | Electricity | 34 | Expired |
| US5345406A | Bandpass sigma delta converter suitable for multiple protocols | Electricity | 33 | Expired |
| US5101344A | Data processor having split level control store | Physics | 32 | Expired |
| US4862169A | Oversampled A/D converter using filtered, cascaded noise shaping modulators | Electricity | 31 | Expired |
| US5854595A | Communications apparatus and method with a computer interchangeable integrated circuit card | Electricity | 26 | Expired |
| US5001661A | Data processor with combined adaptive LMS and general multiplication functions | Electricity | 20 | Expired |
| US4965762A | Mixed size radix recoded multiplier | Physics | 18 | Expired |
| US4843390A | Oversampled A/D converter having digital error correction | Electricity | 18 | Expired |
| US4972356A | Systolic IIR decimation filter | Electricity | 16 | Expired |
| US4722067A | Method and apparatus for implementing modulo arithmetic calculations | Physics | 15 | Expired |
| US4398262A | Time multiplexed n-ordered digital filter | Physics | 13 | Expired |
| US4947363A | Pipelined processor for implementing the least-mean-squares algorithm | Electricity | 12 | Expired |
| US6600481B1 | Data entry apparatus and method | Physics | 12 | Expired |
| US4796219A | Serial two's complement multiplier | Physics | 12 | Expired |
| US4734876A | Circuit for selecting one of a plurality of exponential values to a predetermined base to provide a maximum value | Physics | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.