Battery saving circuit for paging receiver or the like
CA 1196386 A · Owner: Nec Corporation · Inventors: Nakajima, Takeshi; Oda, Takashi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A receiver includes a power source a receiver section means for, receiving a carrier wave angle-modulated with a calling signal and demodulating it to provide a demodulated signal a waveform-shaping means, for shaping the waveform of said demodulated signal to provide a digital signal and a memory for storing a predetermined code in advance. A control section detects a call thereby providing a detection signal in response to, the digital signal and to said predetermined code and generates in response, to the digital signal a first switching signal and a second switching signal at a timing delayed by a predetermined time with respect to the first switching signal. A first switch is connected …
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 5, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 5, 2002.
- 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.