Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7873815 | Digital signal processors with configurable dual-MAC and dual-ALU | Gilbert C. Sih, De Dzwo Hsu, Xufeng Chen | 2011-01-18 |
| 7684474 | Method and apparatus for demodulating signals processed in a transmit diversity mode | Douglas Neal Rowitch, Thunyachate Ekvetchavit | 2010-03-23 |
| 7623566 | Method and apparatus for demodulating signals processed in a transmit diversity mode | Douglas Neal Rowitch, Thunyachate Ekvetchavit | 2009-11-24 |
| 7278043 | System, method, and apparatus for overload detection in real-time data processing applications | — | 2007-10-02 |
| 7184463 | Method and apparatus for demodulating signals processed in a transmit diversity mode | Douglas Neal Rowitch, Thunyachate Ekvetchavit | 2007-02-27 |
| 7031269 | Acoustic echo canceller | — | 2006-04-18 |
| 6700922 | System and method for acquiring a received signal in a spread spectrum device | Raghu Narayan Challa, Farrokh Abrishamkar, Ian J. Fevrier, Serguei A. Glazko, Christopher Patrick +1 more | 2004-03-02 |
| 6628702 | Method and apparatus for demodulating signals processed in a transmit diversity mode | Douglas Neal Rowitch, Thunyachate Ekvetchavit | 2003-09-30 |
| 6615341 | Multiple-data bus architecture for a digital signal processor using variable-length instruction set with single instruction simultaneous control | Gilbert C. Sih, Qiuzhen Zou, Inyup Kang, Quaeed Motiwala, Deepu John +6 more | 2003-09-02 |
| 6606700 | DSP with dual-mac processor and dual-mac coprocessor | Gilbert C. Sih, Hemant Kumar | 2003-08-12 |
| 6580746 | System and method for acquiring a received signal in a spread spectrum device | Raghu Narayan Challa, Farrokh Abrishamkar, Ian J. Fevrier, Serguei A. Glazko, Christopher Patrick +1 more | 2003-06-17 |
| 6563803 | Acoustic echo canceller | — | 2003-05-13 |
| 6449364 | Programmable hands free telephone system | — | 2002-09-10 |
| 6425070 | Variable length instruction decoder | Qiuzhen Zou, Gilbert C. Sih, Inyup Kang, Quaeed Motiwala, Deepu John +2 more | 2002-07-23 |
| 6330247 | Communication protocol between a communication device and an external accessory | Chienchung Chang, Robert Opalsky, George Pan, Karthick Chinnaswami, Hanchi Huang +2 more | 2001-12-11 |
| 6246885 | Digital FM audio processing in a dual-mode communication system | Peter J. Black, Randeep Singh, Henry Chang | 2001-06-12 |
| 6208733 | Programmable hands free telephone system | — | 2001-03-27 |
| 6006108 | Digital audio processing in a dual-mode telephone | Peter J. Black, Randeep Singh, Henry Chang | 1999-12-21 |
| 5926786 | Application specific integrated circuit (ASIC) for performing rapid speech compression in a mobile telephone system | John G. McDonough | 1999-07-20 |