Standard converting apparatus
CA 1260605 A · Owner: Sony Corporation · Inventors: Kubota, Tatsuya
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a standard converting apparatus of the invention for converting a television signal of the high definition television standard, for example, into that of the NTSC standard, data of an odd field and an even field of the NTSC standard are developed from one field data of the high definition television standard and stored into memories. Thus stored data are consecutively read out to perform the reproduction of a still picture and slow reproduction. Because the reproduction of the still picture and the slow reproduction are done using one frame data of the odd field and even field, the picture becomes distinct. Also since, the odd and even fields are developed from one field data double …
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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 26, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 26, 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.