David Thomson
36Patents
12h-index
38Co-inventors
81Inventor score
Filing activity: Jun 11, 1979 → Jan 28, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6554469B1 | Four current transistor temperature sensor and method | Physics | 132 | Expired |
| US6169442A | IC monitoring chip and a method for monitoring temperature of a component in a computer | Physics | 52 | Expired |
| US5442696A | Method and apparatus for detecting control signals | Electricity | 49 | Expired |
| US4596024A | Data detector using probabalistic information in received signals | Electricity | 43 | Expired |
| US7030641B1 | Programmable fuse state determination system and method | Physics | 40 | Expired |
| US6133753A | Tri-state input detection circuit | Physics | 29 | Expired |
| US6204654A | Dynamically boosted current source circuit | Physics | 26 | Expired |
| US5933045A | Ratio correction circuit and method for comparison of proportional to absolute temperature signals to bandgap-based signals | Physics | 25 | Expired |
| US7112948B2 | Voltage source circuit with selectable temperature independent and temperature dependent voltage outputs | Physics | 22 | Expired |
| US5559514A | Analog-to-digital converter with sigma-delta duty cycle encoded output | Electricity | 16 | Expired |
| US4698769A | Supervisory audio tone detection in a radio channel | Electricity | 15 | Expired |
| US5721502A | Voltage-controlled reset for logic state initialization | Electricity | 15 | Expired |
| US4556869A | Multi-function data signal processing method and apparatus | Physics | 10 | Expired |
| US6029431A | Vehicle | Human Necessities | 9 | Expired |
| US8330393B2 | System for time-sequential LED-string excitation | Electricity | 9 | Active |
| US5339021A | Cascaded resistance ladder attenuator network | Electricity | 9 | Expired |
| US7272886B2 | Bearing press support adaptor | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5627867A | Watchdog circuit employing minimum and maximum interval detectors | Physics | 6 | Expired |
| US4229823A | Digital clock phase recovery circuits for data receiver | Electricity | 6 | Expired |
| US8958678B2 | Electro-optice device comprising a ridge waveguide and a PN junction and method of manufacturing said device | Physics | 4 | Active |
| US4493094A | Clock phase control with time distribution of phase corrections | Electricity | 3 | Expired |
| US9343638B2 | Electro-optic PN junction modulator formed with a self-aligned process | Physics | 3 | Active |
| US9494741B2 | Apparatus comprising at least one optical device optically coupled to at least one waveguide on an optical chip | Physics | 3 | Active |
| US11099454B2 | Optical modulator | Physics | 1 | Active |
| US7266077B1 | Serial digital communication system and method | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.