Circuit for the conversion of a digital signal to a stochastic signal
CA 1089097 A · Owner: N.V. Philips Gloeilampenfabrieken · Inventors: Ong, Kian K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Combined pulse rate and pulse width modulation of an output signal of a circuit for comprising a digital signal to be converted with a periodically occurring series of digital comparison signals can be obtained by a proper choice of that series. By means of the said circuit a digital-to-analogue converter can be obtained having a very small error which, owing to its low temperature sensitivity is particularly suitable for use in tuning circuits of, for example, television receivers. -13-
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 November 4, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 4, 1997.
- 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.