Video signal data and composite synchronization extraction circuit for on-screen display
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 2, 1998
Issued Date -
N/A
app pub date -
Aug 20, 1996
filing date -
Mar 2, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A signal voltage level dual clamping circuit is disclosed for use in a receiving circuit for extraction of timing information from a signal. A first, start-up voltage level clamp is provided, the operation of which is independent of the signal timing information. A second, gated voltage level clamp is provided, the operation of which is dependent on the signal timing information. A switching circuit operates to switch the first clamp out of operation and switch the second clamp into operation once sufficient timing information has been extracted from the signal to permit operation of the second clamp.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully