Display device
CA 1295062 C · Owner: Thorn Emi Plc · Inventors: Green, Ian Macdonald
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Television receiver has a liquid crystal display formed of a lattice of display elements made from liquid crystal material each element being individually actuable the lattice of, elements being backlit by fluorescent tubes whose light intensity and duration of operation can be controlled. The video signal has a 70Hz scan rate and a scan period of 14mS each picture of display information having an 8-bit word for each display element, a word beginning with the most-significant-bit and ending with the least-significantbit. In the processing for the display of the most-significantbits of the words, the frame store outputs the first bit of each word and sends the bits to a control unit for an …
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 28, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 28, 2009.
- 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.