Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6686972 | VSB reset to minimize data loss | — | 2004-02-03 |
| 6590950 | Bandwidth stabilized PLL | — | 2003-07-08 |
| 6377316 | Tuner with switched analog and digital modulators | David S. Tait | 2002-04-23 |
| 6246431 | Digital television system for reducing co-channel interference in 8 MHZ channels | — | 2001-06-12 |
| 6239848 | HDTV receiver having fast digital IF AGC and analog RF AGC | Rudolf Turner | 2001-05-29 |
| 6069524 | FPLL with third multiplier in an analog input signal | Gary J. Sgrignoli | 2000-05-30 |
| 5781065 | Circuit for causing FPLL to lock in desired phase | Leif W. Otto | 1998-07-14 |
| 5745004 | FPLL with third multiplier in an AC path in the FPLL | Gary J. Sgrignoli | 1998-04-28 |
| 5638140 | FPLL having AFC filter with limited phase shift | Gopalan Krishnamurthy, Gary J. Sgrignoli | 1997-06-10 |
| 5627604 | Stabilizing the lock up of a bi-phase stable FPLL by augmenting a recovered DC pilot | Gopalan Krishnamurthy, Gary J. Sgrignoli | 1997-05-06 |
| 5575003 | Current mode AGC system for television tuner | — | 1996-11-12 |
| 5546138 | AGC system with overriding, maximum gain during an initial interval to enhance signal acquisition | Gopalan Krishnamurthy, Gary J. Sgrignoli | 1996-08-13 |
| 5444422 | Low phase noise high frequency integrated oscillator with minimum pins | — | 1995-08-22 |
| 5410368 | Carrier acquisition by applying substitute pilot to a synchronous demodulator during a start up interval | Gopalan Krishnamurthy, Gary J. Sgrignoli | 1995-04-25 |
| 4940978 | Stepwise adjusted digital to analog converter having self correction | — | 1990-07-10 |
| 4654707 | Method and apparatus for volume control of a BTSC multi-channel sound signal | — | 1987-03-31 |
| 4536717 | Compensated inverting/noninverting differential amplifier | Raymond C. Hauge | 1985-08-20 |
| 4490743 | Intercarrier signal detection circuit for a television receiver | Jouke N. Rypkema | 1984-12-25 |
| 4486782 | Frequency stabilization of a VCO FM modulator | Wayne E. Bretl | 1984-12-04 |
| 4377823 | Noise processing system for a television receiver | — | 1983-03-22 |
| 4309724 | Dual time constant AFC filter | — | 1982-01-05 |