Noise reduction system for video signal

Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry


Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0


358 36, 358340, H04N 521




A noise reduction system for reducing noise in a video signal comprises a pre-emphasis circuit for subjecting the video signal which is supplied to a transmission system to a pre-emphasis in a vertical direction of a picture and in a direction oblique to the vertical direction, and a de-emphasis circuit for subjecting the pre-emphasized video signal obtained through the transmission system to a de-emphasis complementary to the pre-emphasis.

patent: 4485399 (1984-11-01), Schulz
patent: 4575760 (1986-03-01), Nakagaki et al.
patent: 4587576 (1986-05-01), Hirota et al.
patent: 4607285 (1986-08-01), Hirota et al.
patent: 4618893 (1986-10-01), Hirota et al.
patent: 4626927 (1986-12-01), Hirota et al.


Say what you really think

Search for the USA inventors and patents. Rate them and share your experience with other people.


Noise reduction system for video signal does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Noise reduction system for video signal, we encourage you to share that experience with our community. Your opinion is very important and Noise reduction system for video signal will most certainly appreciate the feedback.

Rate now


Profile ID: LFUS-PAI-O-847664

All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.