Image sensing device
CA 1211564 A · Owner: Canon Kabushiki Kaisha · Inventors: Tanaka, Nobuyoshi; Kinoshita, Takao
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In order to clear at a high speed unwanted charge in a solid image sensing element of a charge transfer type a potential barrier for allowing passage of excessive charge in the direction of the transfer of a CCD shift register, is provided. Also, in order to clear the charge of the CCD shift register via the barrier an overflow, drain is provided. Thus, the clearing action is effected at a high speed, and also, a blooming can be eliminated. - 24 -
Read the whole patent
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 16, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 16, 2003.
- 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.