Color slow-scan tv system and method
CA 1202408 A · Owner: Colorado Video, Incorporated · Inventors: Johnson, Bruce F.; Mcclelland, Larry R.; Southworth, Glen R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A color slow-scan TV system and method are disclosed for selecting U.S. standard NTSC TV color picture (or alternately other standards such as PAL or non-standard color TV) to be transmitted, transmitting the selected pictures utilizing slow-scan techniques and reconstructing, the pictures after transmission for display. The system includes a video compressor (transmitter) for receiving a composite video signal indicative of a color TV picture and providing therefrom a color slow-scan output signal indicative thereof, and a video expander (receiver) for receiving color slow-scan signals after transmission and providing therefrom a fast-scan output signal suitable …
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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 March 25, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 25, 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.