Closed circuit television apparatus for remotely controlling television cameras
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 14, 1990
Grant Date -
N/A
app pub date -
Nov 14, 1988
filing date -
Nov 16, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A closed circuit television apparatus for a supervisory system comprises at least one imaging device which includes a remote-controllable television camera for generating video signals, a monitor receiving the video signals and displaying images corresponding to the received video signals, and a controller for generating composite control signals to control the television camera. The composite control signals have a higher frequency than that of the video signals. The imaging device further includes a receiver receiving the composite control signals, extracting the composite control signals by utilizing the difference in frequency between the received composite control signals and the video signals, and operating the television camera based on the extracted composite control signals.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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