Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8102317 | Location identification using broadcast wireless signal signatures | Andy Lee, James J. Spilker, Jr., Matthew Rabinowitz | 2012-01-24 |
| 7692587 | Rapid acquisition and correlation of synchronization codes for mobile devices with limited memory and computational power | Matthew Rabinowitz, Michael J. Sabin | 2010-04-06 |
| 7307665 | Method and system for generating reference signals with improved correlation characteristics for accurate time of arrival or position determination | Guttorm Ringstad OPSHAUG, Matthew Rabinowitz | 2007-12-11 |
| 7042396 | Position location using digital audio broadcast signals | James J. Spilker, Jr. | 2006-05-09 |
| 7042949 | Robust data transmission using broadcast digital television signals | James J. Spilker, Jr., Matthew Rabinowitz | 2006-05-09 |
| 6914560 | Position location using broadcast digital television signals comprising pseudonoise sequences | James J. Spilker, Jr. | 2005-07-05 |
| 6859173 | Position location using broadcast television signals and mobile telephone signals | James J. Spilker, Jr., Matthew Rabinowitz | 2005-02-22 |
| 6727847 | Using digital television broadcast signals to provide GPS aiding information | Matthew Rabinowitz, James J. Spilker, Jr., Matthew Dalton Pierce | 2004-04-27 |
| 6717547 | Position location using broadcast television signals and mobile telephone signals | James J. Spilker, Jr., Matthew Rabinowitz | 2004-04-06 |
| 6559894 | Block-adaptive equalization using partial decision feedback in digital broadcast communications | Thomas Henderson, Steve Dabell, Mark Peting | 2003-05-06 |
| 5963585 | MSK spread-spectrum receiver which allows CDMA operations | Paul T. Yang, Gurgen H. Khachatrian, Karen M. Nikogossian, Karen S. Hovakimian, Armen L. Vartapetian | 1999-10-05 |
| 5825810 | MSK spread-spectrum receiver which allows CDMA operations | Paul T. Yang, Gurgen H. Khachatrian, Karen M. Nikogossian, Karen S. Hovakimian, Armen L. Vartapetian | 1998-10-20 |
| 5592506 | MSK spread-spectrum receiver which allows CDMA operations | Paul T. Yang, Gurgen H. Khachatrian, Karen M. Nikogossian, Karen S. Hovakimian, Armen L. Vartapetian | 1997-01-07 |
| 5253268 | Method and apparatus for the correlation of sample bits of spread spectrum radio signals | Dan Avidor, Mark Heising | 1993-10-12 |
| 5235615 | Spread spectrum method | — | 1993-08-10 |
| 5210710 | Modulo arithmetic processor chip | — | 1993-05-11 |
| 5166952 | Method and apparatus for the reception and demodulation of spread spectrum radio signals | Dan Avidor, Mark Heising | 1992-11-24 |
| 5164958 | Spread spectrum cellular handoff method | — | 1992-11-17 |
| 5157686 | Method and apparatus for the modulation of spread spectrum radio signals | Dan Avidor, Mark Heising | 1992-10-20 |
| 4967389 | Bit density controller | Leslie Nightingill, Michael J. Sabin | 1990-10-30 |
| 4891781 | Modulo arithmetic processor chip | — | 1990-01-02 |
| 4771400 | Bit density controller | Leslie Nightingill, Michael J. Sabin | 1988-09-13 |
| 4587627 | Computational method and apparatus for finite field arithmetic | James L. Massey | 1986-05-06 |
| 4567600 | Method and apparatus for maintaining the privacy of digital messages conveyed by public transmission | James L. Massey | 1986-01-28 |