Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8634790 | Direct conversion receiver architecture with digital fine resolution variable gain amplification | Christian Holenstein, Inyup Kang, Tao Li, Matthew Severson | 2014-01-21 |
| 8626099 | Direct conversion receiver architecture | Tao Li, Christian Holenstein, Inyup Kang, Brett C. Walker, Raghu Narayan Challa +3 more | 2014-01-07 |
| 8615212 | Direct conversion receiver architecture | Tao Li, Christian Holenstein, Inyup Kang, Brett C. Walker, Raghu Narayan Challa +3 more | 2013-12-24 |
| 7915954 | Amplifier predistortion and autocalibration method and apparatus | Arun Raghupathy, Puay Hoe See, Gurkanwal Sahota, Robert Reeves | 2011-03-29 |
| 7660598 | Transmit power reduction for a wireless device with multiple transmit signal paths | Kenneth Charles Barnett, Charles J. Persico | 2010-02-09 |
| 7174190 | Serial bus interface for direct conversion receiver | Brett C. Walker, Tao Li, Matthew Severson | 2007-02-06 |
| 7076225 | Variable gain selection in direct conversion receiver | Tao Li, Christian Holenstein, Inyup Kang, Brett C. Walker, Raghu Narayan Challa +3 more | 2006-07-11 |
| 6960962 | Local oscillator leakage control in direct conversion processes | David Maldonado, Kevin Gard, Puay Hoe See, Jeremy Darren Dunworth, Gurkanwal (Kamal) Sahota | 2005-11-01 |
| 6816711 | GPS equipped mobile phone with single shared antenna | Randolph Standke | 2004-11-09 |
| 6694129 | Direct conversion digital domain control | Gurkanwal Singh Sahota | 2004-02-17 |
| 6496685 | Portable phone with imbedded battery | David J. Ross, Marland Chow | 2002-12-17 |
| 6374116 | Adjusting maximum transmit power to maintain constant margin for adjacent channel power rejection | Sheikh A. Hafiz | 2002-04-16 |
| 6194869 | Circuit to connect battery to load only in presence of a load of acceptable magnitude | — | 2001-02-27 |
| 6175279 | Amplifier with adjustable bias current | Steven C. Ciccarelli, Ralph Kaufman | 2001-01-16 |
| 6167289 | Power supply assembly for portable phone | Scott Ball | 2000-12-26 |
| 6160381 | Battery pack protection circuit and battery pack including a protection circuit | — | 2000-12-12 |
| 6118250 | Power supply assembly for hand-held communications device | James Hutchison, Tad A. Hove | 2000-09-12 |
| D422262 | Housing for piggyback mounted battery for portable phone | Ty Aberle, James Brownlie, David Buckley, Marland Chow, David J. Ross +5 more | 2000-04-04 |
| D413857 | Housing for piggyback mounted battery for portable phone | Ty Aberle, James Brownlie, David Buckley, Marland Chow, David J. Ross +5 more | 1999-09-14 |
| 5930692 | Method and apparatus for increasing receiver immunity to interference | Richard K. Kornfeld, Charles E. Wheatley, III, Ana L. Weiland | 1999-07-27 |
| 5722063 | Method and apparatus for increasing receiver immunity to interference | Richard K. Kornfeld, Charles E. Wheatley, III, Ana L. Weiland | 1998-02-24 |
| 5652599 | Dual-band antenna system | Thomas A. Pitta, Richard K. Kornfeld, Ana L. Weiland, Raymond C. Wallace | 1997-07-29 |
| 5617060 | Method and apparatus for automatic gain control and DC offset cancellation in quadrature receiver | Nathaniel B. Wilson, Peter J. Black | 1997-04-01 |
| 5469115 | Method and apparatus for automatic gain control in a digital receiver | Nathaniel B. Wilson, Peter J. Black | 1995-11-21 |