Noise reduction and signal compensating circuit for video images
US5313301A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 28, 1992 |
| Grant date | May 17, 1994 |
| Priority date | — |
| Expiry date | Oct 28, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/21
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a noise reduction and signal compensating circuit for video imager which compensates a received picture image of a high density television or general television and permits reception of a clean image without noise, and reduces the deterioration in quality of a reproduced picture image which is attributed to a variable reproduction speed in a video cassette recorder (or video disk player). Accordingly, this invention provides an automatic picture quality compensating circuit which has an automatic picture quality compensating means to create a clean picture image by improving sharpness and removing noise components contained in the picture image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.