Andrew J. Morrish
44Patents
8h-index
17Co-inventors
72Inventor score
Filing activity: Aug 18, 1986 → Nov 30, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5420484A | Deflection apparatus for raster scanned CRT displays | Electricity | 24 | Expired |
| US6650371B1 | Multiplexed video signal interface signal, system and method | Electricity | 20 | Expired |
| US8368370B2 | Controller compensation for frequency jitter | Electricity | 19 | Active |
| US7233504B2 | Method and apparatus for digital control of a switching regulator | Electricity | 18 | Expired |
| US7593245B2 | Method and apparatus to limit maximum switch current in a switching power supply | Electricity | 15 | Active |
| US7755917B2 | Modulation of a feedback signal used in a digital control of a switching regulator | Electricity | 14 | Active |
| US8194422B2 | Method and apparatus for digital control of a switching regulator | Electricity | 11 | Active |
| US7894222B2 | Method and apparatus to limit maximum switch current in a switching power supply | Electricity | 10 | Active |
| US8223467B2 | Transient blocking unit using normally-off device to detect current trip threshold | Electricity | 8 | Active |
| US6166579A | Digitally controlled signal magnitude control circuit | Electricity | 8 | Expired |
| US4763120A | Interlaced color cathode ray tube display with reduced flicker | Physics | 8 | Expired |
| US6163211A | Cascode amplifier with positive feedback for high frequency performance and method for operating and optimizing such amplifier | Electricity | 7 | Expired |
| US8169763B2 | Transient blocking unit having an enhancement mode device in the primary current path | Electricity | 7 | Active |
| US8289667B2 | Current limiting surge protection device | Electricity | 6 | Active |
| US5315310A | Cathode ray tube display apparatus | Physics | 6 | Expired |
| US6624815B1 | System, method, and apparatus for creating character boxes for on screen displays | Electricity | 5 | Expired |
| US7830678B2 | Method and apparatus for digital control of a switching regulator | Electricity | 4 | Active |
| US6259268A | Voltage stress testable embedded dual capacitor structure and process for its testing | Physics | 4 | Expired |
| US5130606A | Method and apparatus for increasing the cathode efficiency in a cathode ray tube | Electricity | 3 | Expired |
| US6369527B1 | Vertical blanking circuit and bias clamp boost supply | Electricity | 3 | Expired |
| US6614306B1 | Bias circuit for class AB high frequency amplifiers | Electricity | 3 | Expired |
| US6246290A | High gain, current driven, high frequency amplifier | Electricity | 3 | Expired |
| US8300373B2 | Voltage triggered transient blocking unit | Electricity | 3 | Active |
| US6392650B1 | Character line address counter clock signal generator for on screen displays | Physics | 3 | Expired |
| US4769577A | Cathode ray tube display with combined degauss and surge limiting circuit | Electricity | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.