| Patent Number |
Title Of Patent |
Date Issued |
| 7602446 |
Method, system and device for auxiliary bus mixer and keyer |
October 13, 2009 |
| A method, system, and device for video production, including adding a mixer to an Auxiliary Bus of a Video Production Switcher; adding one or more keyers to the Auxiliary Bus of the Video Production Switcher; and adding special effects to the Auxiliary Bus. |
| 7034886 |
Video production switcher with integrated aspect ratio converter |
April 25, 2006 |
| A video production switcher converts an aspect ratio through the use of an integrated aspect ratio converter. Additionally, by having both converted and native format signals input to a switcher processor, the effective number of inputs can be doubled. |
| 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 |
