Issued Patents All Time
Showing 126–150 of 152 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689080 | Computer system and method for performing wavetable music synthesis which stores wavetable data in system memory which minimizes audio infidelity due to wavetable data access latency | — | 1997-11-18 |
| 5659466 | Monolithic PC audio circuit with enhanced digital wavetable audio synthesizer | David Norris, Jeffrey M. Blumenthal, Geoffrey E. Brehmer, Glen W. Brown, Carlin D. Cabler +10 more | 1997-08-19 |
| 5621402 | Keypad scanner | Michael E. Spak | 1997-04-15 |
| 5555287 | Integrated circuit and cordless telephone using the integrated circuit | Joseph W. Peterson, James E. Bowles, John G. Bartkowiak, Munehiro Yoshikawa, Shin Saito +1 more | 1996-09-10 |
| 5535281 | Analog integrated circuit | — | 1996-07-09 |
| 5530597 | Apparatus and method for disabling interrupt masks in processors or the like | James E. Bowles, Mark Luedtke | 1996-06-25 |
| 5512893 | Keypad scanner process and device and cordless telephone employing the mechanism | — | 1996-04-30 |
| 5502689 | Clock generator capable of shut-down mode and clock generation method | Joseph W. Peterson, Alan F. Hendrickson, Dean Grumlose | 1996-03-26 |
| 5495530 | Low power emergency telephone mode | Joseph W. Peterson | 1996-02-27 |
| 5483577 | Single chip telephone answering machine, telephone, speakerphone, and ADSI controller | — | 1996-01-09 |
| 5481690 | Power-efficient external memory access control using external memory enable time durations independent of external memory accessing rate | Dean Grumlose | 1996-01-02 |
| 5448743 | General I/O port interrupt mechanism | Joe W. Peterson, Munehiro Yoshikawa, Hiroshi Matsubara, Toshihiro Fujita, Kazushige Tsurumi | 1995-09-05 |
| 5420904 | Signal averager | Satoru Maeda, Munehiro Yoshikawa, Manabu Oonishi | 1995-05-30 |
| 5408639 | External memory access control for a processing system | James E. Bowles | 1995-04-18 |
| 5404459 | Serial interface module and method in which the clock is only activated to send a predetermined number of data bits | Alan F. Hendrickson, Munehiro Yoshikawa, Hiroshi Matsubara, Kazushige Tsurumi | 1995-04-04 |
| 5298921 | System for communicating with external device registers via two-byte data packets over a serial bus | — | 1994-03-29 |
| 5266950 | Programmable keypad monitor | Alan Hendrickson | 1993-11-30 |
| 5247621 | System and method for processor bus use | — | 1993-09-21 |
| 5235635 | Keypad monitor with keypad activity-based activation | — | 1993-08-10 |
| 5220601 | Keypad status reporting system | Alan Hendrickson | 1993-06-15 |
| 5199064 | Fully-integrated telephone unit | Herbert Chen, Alan F. Hendrickson | 1993-03-30 |
| 5048012 | Data link controller with flexible multiplexer | Terry G. Lawell | 1991-09-10 |
| 4949333 | Enhanced universal asynchronous receiver-transmitter | Terry G. Lawell, Charles Crowe | 1990-08-14 |
| 4907225 | Data protocol controller | Terry G. Lawell, Charles Crowe | 1990-03-06 |
| 4860285 | Master/slave synchronizer | Merle L. Miller | 1989-08-22 |