Charge-coupled device
CA 1256996 A · Owner: N.V.Philips'Gloeilampenfabrieken · Inventors: Van Zanten, Adrianus T.; Veendrick, Hendrikus J.M.; Pfennings, Leonardus C.M.G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
PHN 11.398 1.11.1985, ABSTRACT:, Charge-coupled device. The invention relates to a CCD input and reference charge generator, in which the occurrence of electron injection into the substrate (due to cross-talk to the substrate) and hence undesired signal distortions is prevented. For this purpose, the generator is provided with a voltage divider (26) which is constituted at least for a part (28) by a resistance element arranged outside the substrate, for example, by a polycrystalline silicon resistor. Thus, it is achieved that input diode zones (11) are no longer connected to the substrate voltage. Fig. 4.
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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 July 4, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 4, 2006.
- 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.