A portable radio terminal
CA 2215768 A1 · Owner: Kobayashi, Makio · Inventors: Kobayashi, Makio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
To economize power consumption of a portable radio terminal without impairing the transmission quality a portable radio terminal, of the invention comprises: a field intensity detector (3); a transmission unit (6); a switch (8) for supplying or cutting a power supply to the transmission unit; a memory (5); means (15) for setting the portable radio terminal to operate in a power economy mode; and a control unit (4) for controlling, when the portable radio terminal is set to operate in the power economy mode, the switch to cut the power supply to the transmission unit when the receiving field intensity becomes lower than a first threshold value and to supply the power supply to the …
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
- Filed September 18, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 18, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 18, 2019.
- 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.