Video camera with automatic intensity control
CA 1307841 C · Owner: Copyguard Enterprises S.A. · Inventors: Wijnen, Arie M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Video camera with automatic intensity control Abstract, A video camera with automatic intensity control provided with an imaging system and an image transducing apparatus having an entry window, on which images of the pictures to be taken can be formed by this system and is, adapted to transform said images into electrical signals delivered to an output connection, wherein the amplitude of the image signal derived from the output (6) of the image transducing apparatus (3) and corresponding with the light intensity of an image portion is transformed into a control signal for a control means (8 17) for an, additional image influence element (5 15), which, synchro-, noulsy with the image line …
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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 September 22, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 22, 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.