Composite video signal field recognition circuit
US4145713A · kind A · utility
9Cited by
5References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 29, 1977 |
| Grant date | Mar 20, 1979 |
| Priority date | — |
| Expiry date | Aug 29, 1997 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N13/341
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An improvement for a stereoscopic system synchronizes a video monitor and a eft-and right-eye viewer. Synchronous operation at a field-by-field rate is triggered by coincidence and noncoincidence of horizontal sync pulses with coincidence pulses derived from the horizontal sync pulses. As a result, the field carrying the left eye image is always connected to the left eye lens of the viewer and the field carrying the right eye image is always coupled to the right eye lens of the viewer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.