Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12199999 | Flowspec message processing apparatus and method | Danielle Fritz, Mitchell Hoffmeyer, Scott Iekel-Johnson, Andrew Inman, Grant Levene +7 more | 2025-01-14 |
| 11153189 | Grouping network traffic prior to storage in a columnar database | Kyle Oswald, Mike Ratanatharathorn, Michael Vanderlaar, Andrew Curtin, George Klinich, III | 2021-10-19 |
| 10162135 | Optical transmitter assembly for vertical coupling | Claude Gamache, Nicolas BELANGER | 2018-12-25 |
| 6172548 | Input stage with reduced transient time for use in multiplexing transducers that require a switched DC bias | Axel Alegre de La Soujeole | 2001-01-09 |
| 6107840 | Method and apparatus for eliminating asymmetry error in servo de-modulation using peak-to-peak detection of servo burst amplitudes | Randall L. Sandusky, Gary J. Asakawa | 2000-08-22 |
| 6094026 | Overtemperature warning cycle in operation of polyphase DC motors | — | 2000-07-25 |
| 5770968 | Differential amplifier with proxy load for control of output common mode range | — | 1998-06-23 |
| 5701213 | Symmetrical resistive transducer biasing circuit and method | Axel Alegre de La Soujeole | 1997-12-23 |
| 5696460 | Differential high speed inductive driver with a bidirectional current limiting output stage | — | 1997-12-09 |
| 5619109 | Method and circuitry for drag braking a polyphase DC motor | Karl M. Schlager | 1997-04-08 |
| 5572097 | Method and apparatus for starting polyphase dc motor | — | 1996-11-05 |
| 5557180 | Circuit and method for operating a 3-phase motor with a uni-coil phase commutation scheme | — | 1996-09-17 |
| 5546030 | Differential high speed inductive driver with a bidirectional current limiting output stage | — | 1996-08-13 |
| 5517095 | Method and apparatus for operating polyphase DC motors using a PWM chopping signal in zero crossing determination | Francesco Carobolante | 1996-05-14 |
| 5455885 | Method and apparatus for starting a sensorless polyphase DC motor in dual-coil mode and switching to single coil mode at speed | — | 1995-10-03 |
| 5451832 | Method and circuitry for drag braking a polyphase DC motor | Karl M. Schlager | 1995-09-19 |
| 5317243 | Method and apparatus for detecting velocity profiles of a spinning rotor of a polyphase DC motor | — | 1994-05-31 |
| 5309078 | Synchronous rectification method for reducing power dissipation in motor drivers in PWM mode | — | 1994-05-03 |
| 5294877 | Circuit and method for detecting deceleration rates of a polyphase DC motor | — | 1994-03-15 |
| 5221881 | Method and apparatus for operating polyphase DC motors | — | 1993-06-22 |
| 5172036 | Method and apparatus for resynchronizing a moving rotor of a polyphase dc motor | — | 1992-12-15 |