Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11870446 | High gain detector techniques for low bandwidth low noise phase-locked loops | Michael H. Perrott | 2024-01-09 |
| 8076995 | Integrated digitally controlled linear-in-decibels attenuator | — | 2011-12-13 |
| 7694050 | Method and system for addressing multiple instances of a same type of device on a bus | Wai Cheong Chan | 2010-04-06 |
| 7675380 | Integrated digitally controlled linear-in-decibels attenuator | — | 2010-03-09 |
| 7432671 | Method and apparatus for a level-shift inverter for cathode ray tube blanking | — | 2008-10-07 |
| 7279976 | Differential amplifier with controlled common mode output voltage | — | 2007-10-09 |
| 7277135 | Video display signal brightness control circuit | Peyman Hojabri, Robert Eddy, Leonard Stencel, Wayne E. Harlan | 2007-10-02 |
| 7253700 | Circuit for controlling a linear-in-decibels attenuator circuit using an analog control signal | — | 2007-08-07 |
| 7148757 | Charge pump-based PLL having dynamic loop gain | — | 2006-12-12 |
| 7102398 | Circuit for two PLLs for horizontal deflection | — | 2006-09-05 |
| 7084670 | Phase-frequency detector with gated reference clock input | — | 2006-08-01 |
| 6998886 | Apparatus and method for PLL with equalizing pulse removal | — | 2006-02-14 |
| 6987406 | Wide frequency range phase-locked loop circuit with phase difference | — | 2006-01-17 |
| 6965264 | Adaptive threshold scaling circuit | Wai Cheong Chan | 2005-11-15 |
| 6873670 | Automatic pre-scaler control for a phase-locked loop | — | 2005-03-29 |
| 6834093 | Frequency comparator circuit | — | 2004-12-21 |
| 6815732 | High-voltage silicon controlled rectifier structure | Vladislav Vashchenko | 2004-11-09 |
| 6670851 | Cascode amplifier integrated circuit with frequency compensation capability | Peyman Hojabri | 2003-12-30 |
| 6664809 | Method and system for a CMOS level shifter circuit for converting a low voltage input to a very high-voltage output | — | 2003-12-16 |
| 6642747 | Frequency detector for a phase locked loop system | — | 2003-11-04 |
| 6573669 | Cathode ray tube driver circuit with frequency compensation without providing a leakage path for cathode current | — | 2003-06-03 |
| 6538398 | Cathode ray tube driver circuit with cathode current detection | — | 2003-03-25 |
| 6515552 | Voltage control oscillator with stable free run frequency using current clamping | Peyman Hojabri | 2003-02-04 |
| 6512340 | Temperature sensor with current mode output for thermal protection for a cathode ray tube (CRT) driver | — | 2003-01-28 |
| 6483361 | Lock detector for determining phase lock condition in PLL on a period-by-period basis according to desired phase error | — | 2002-11-19 |