| Patent Number |
Title Of Patent |
Date Issued |
| 5561404 |
Amplified serial digital cable equalizer circuit having a high return loss |
October 1, 1996 |
| A wide-band high-frequency analog amplifier is provided in the signal path between an input cable connector and an integrated-circuit based cable equalizer. The amplifier is preferably a common base transistor amplifier. The amplifier serves multiple purposes, including providing additio |
| 5115314 |
Video keying circuitry incorporating time division multiplexing |
May 19, 1992 |
| Multi-keying circuitry for inserting a plurality of keys into a background television signal where at least the keying signal processing circuitry is time shared by control circuitry to effect the key insertions. The control circuitry includes dual port rams and RAM-DAC's to facilitate t |
| 4205346 |
Video transition circuitry including transition previewing means |
May 27, 1980 |
| Improved video transition circuitry including circuitry for previewing transitions from an on-air event signal to a next event signal. The circuitry includes a program transition switch responsive to the on-air event and next event signals for outputting the on-air event signal; a pr |
