Semiconductor delay line driven by an input signal-derived reference signal
US5463475A · kind A · utility
1Cited by
8References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 2, 1992 |
| Grant date | Oct 31, 1995 |
| Priority date | — |
| Expiry date | Sep 2, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/893
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method of driving a CCD semiconductor delay line capable of providing a good delay characteristic without externally supplying a clock signal. An intermittent reference signal is extracted from the color burst signal of an inputted television signal. Using the intermittent reference signal, a continuous reference signal is generated by a phase locked loop. The continuous reference signal drives a CCD semiconductor delay line to delay the television signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.