Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9639906 | System and method for wideband audio communication with a quick service restaurant drive-through intercom | — | 2017-05-02 |
| 9484041 | Backward-compatible communication system components | — | 2016-11-01 |
| 9443275 | Facilitating ordering at an order point via smart ordering devices | — | 2016-09-13 |
| 9408022 | System and method for configuring communication devices | — | 2016-08-02 |
| 6157908 | Order point communication system and method | — | 2000-12-05 |
| 4970581 | Circuit for and method of detecting color field sequence in a color video signal | — | 1990-11-13 |
| 4768102 | Method and apparatus for synchronizing a controller to a VTR for editing purposes | — | 1988-08-30 |
| 4745496 | Apparatus and method for adjusting the tracking position of a magnetic head along a magnetic track | — | 1988-05-17 |
| 4731679 | Method and apparatus for transporting a recording medium with an adaptive velocity change profile | Thomas L. Helmers | 1988-03-15 |
| 4689706 | Apparatus and method for adjusting the respective positions of a magnetic head and video information along a magnetic track | — | 1987-08-25 |
| 4631605 | Multiple speed scanner servo system for protecting the heads and tape of helical recorders | — | 1986-12-23 |
| 4561608 | Adaptive end of tape detection apparatus and method | Thomas L. Helmers | 1985-12-31 |
| 4514672 | Adaptive apparatus and method for control | — | 1985-04-30 |
| 4446389 | Quadrature tach decoder circuit | Marshall Williams | 1984-05-01 |
| 4401923 | Digital open loop tape tension control circuit for tape recorders and the like | — | 1983-08-30 |