Digital-to-analog converting system
CA 1289666 C · Owner: Sony Corporation · Inventors: Shoji, Norio; Katakura, Masayuki; Takeda, Masashi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A digital-to-analog converting system for converting a digital code having higher order bits and lower order bits to an analog value comprising: a divider for dividing input digital codes into higher order bits and lower order bits; a first digital-to-analog converter for converting the higher order bits to a higher analog value in a first converting style; a second digital-to-analog converter for converting the lower order hits to a lower analog value in a second converting style which is inferior to the first converting style in linearity; and an adder for adding together the higher and lower analog values.
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 September 24, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 24, 2008.
- 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.