Digitally processed gain control device
CA 1214998 A · Owner: Sony Corporation · Inventors: Kawada, Hiroto; Tsurushima, Katsuaki; Furuya, Tsuneo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A gain control device for reproducing digital signals obtained by A/D conversion of analog audio signals the device, comprising: a detector for detecting the appearance of a digital value exceeding a predetermined value from data of a digital signal obtained by conversion of an analog signal a delay for delaying the digital signal a convertor for, converting the digital signal from the delay into an analog signal; and a gain control for controlling a gain of the analog signal from the convertor to as to decrease in accordance with a detection signal from the said detector.
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 December 9, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 9, 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.