Apparatus and method for generating a rotating clock video wipe
US4782392A · kind A · utility
12Cited by
7References
41Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 12, 1986 |
| Grant date | Nov 1, 1988 |
| Priority date | — |
| Expiry date | Nov 12, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/265
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An apparatus and method for generating a rotating clock video wipe from two voltage ramps. The voltage ramps are rotated according to rotation data supplied by a controller. The rotated ramps are combined and fed to an output signal generator and then a video mixer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.