Colour television transmission or data storage system
CA 1232057 A · Owner: N.V.Philips'Gloeilampenfabrieken · Inventors: Tan, Sing L.; Van De Polder, Leendert J.; De Haan, Gerard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
34, ABSTRACT:, In the system an encoding circuit in the data generator transmits or stores identification information relating to variable numbers of television lines or variable portions of television lines in which luminance and chrominance information occurs, compressed where appropriate. The data receiver comprises a simple properly, adaptable decoding circuit which comprises presettable counters for counting portions of television lines and for counting television lines, outputs of these counters being coupled to address inputs of a programmable memory which is coupled to a multiplexer which is switchable by the identification information and is followed by a logic circuit for …
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 January 26, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 26, 2005.
- 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.