Issued Patents All Time
Showing 1–25 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7176970 | Light sensing pixel sensor and method | King F. Lee, Austin Harton, Bei Tang | 2007-02-13 |
| 6888573 | Digital pixel sensor with anti-blooming control | — | 2005-05-03 |
| 6704046 | Digital pixel image sensor with independent color channel reference signals | Robert Dyas, Francisco Castro, Austin Harton | 2004-03-09 |
| 6667769 | Time integrating pixel sensor | Austin Harton, Francisco Castro | 2003-12-23 |
| 6573782 | Sigma delta FM ratio detector | Raymond Louis Barrett, Jr., Scott Robert Humphreys | 2003-06-03 |
| 6311167 | Portable 2-way wireless financial messaging unit | Walter L. Davis, Jeff LaVell, Victoria A. Leonardo | 2001-10-30 |
| 6275540 | Selective call receiver having an apparatus for modifying an analog signal to a digital signal and method therefor | Raymond Louis Barrett, Jr., James G. Mittel | 2001-08-14 |
| 6218973 | Binary random number generator | Raymond Louis Barrett, Jr. | 2001-04-17 |
| 6087894 | Low power precision current reference | Raymond Louis Barrett, Jr., Scott Robert Humphreys, Lawrence Case | 2000-07-11 |
| 5939911 | Frequency prescaler method and apparatus responsive to low input drive levels | Scott Robert Humphreys, Darrell Davis | 1999-08-17 |
| 5880619 | Low power precision voltage splitter | Raymond Louis Barrett, Jr., Grazyna A. Pajunen | 1999-03-09 |
| 5825213 | Method and apparatus for frequency synthesis | Raymond Louis Barrett, Jr., Grazyna A. Pajunen | 1998-10-20 |
| 5793825 | Method and apparatus for extending an operating frequency range of an instantaneous phase-frequency detector | Scott Robert Humphreys, Raymond Louis Barrett, Jr. | 1998-08-11 |
| 5789973 | Resistorless operational transconductance amplifier circuit | Raymond Louis Barrett, Jr., Scott Robert Humphreys | 1998-08-04 |
| 5770980 | Fast starting oscillator | Raymond Louis Barrett, Jr., John Wayne Simmons, Grazyna A. Pajunen | 1998-06-23 |
| 5754598 | Method and apparatus for controlling a phase lock loop | Raymond Louis Barrett, Jr., Grazyna A. Pajunen | 1998-05-19 |
| 5651037 | Apparatus for preforming discrete-time analog queuing and computing in a communication system | Raymond Louis Barrett, Jr., Grazyna A. Pajunen | 1997-07-22 |
| 5644743 | Hybrid analog-digital phase error detector | Raymond Louis Barrett, Jr., Grazyna A. Pajunen, Walter L. Davis | 1997-07-01 |
| 5640681 | Boot-strapped cascode current mirror | Raymond Louis Barrett, Jr., Grazyna A. Pajunen | 1997-06-17 |
| 5630152 | Communication protocol between master and slave device with register information sharing | Joan S. DeLuca | 1997-05-13 |
| 5630222 | Method and apparatus for generating multiple signals at multiple frequencies | Raymond Louis Barrett, Jr., Grazyna A. Pajunen | 1997-05-13 |
| 5612614 | Current mirror and self-starting reference current generator | Raymond Louis Barrett, Jr., Grazyna A. Pajunen | 1997-03-18 |
| 5576664 | Discrete time digital phase locked loop | Scott Robert Humphreys, Phillip Johnson, Raymond Louis Barrett, Jr., Grazyna A. Pajunen | 1996-11-19 |
| 5552750 | Method and apparatus for determining an instantaneous phase difference between two signals | Raymond Louis Barrett, Jr., Grazyna A. Pajunen | 1996-09-03 |
| 5483687 | Operational transconductance amplifier track and hold system | Raymond Louis Barrett, Jr., Jeannie Han Kosiec | 1996-01-09 |