Automatic brightness limiter
CA 1308480 C · Owner: Samsung Electronics Co. Ltd. · Inventors: Kim, Kwang-Seok
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides an automatic brightness limiter having an amplification means to amplify the video signal and apply the image signal at the next stage and a contrast adjustment means to adjust the contrast of a screen through active components, the device comprising; control means which control automatically the image signal level and the contrast of the CRT by controlling the outputs of the amplification means and the contrast adjustment means using a high voltage applied to an anode through control components, and coupled between the amplification means and the contrast adjustment means. The capacity of the brightness adjustment for the screen of the automatic brightness limiter …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted October 6, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 6, 2009.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.