Paging receiver with a light emitting element flashing circuit
CA 1310702 C · Owner: Tsunoda, Kazuyuki · Inventors: Tsunoda, Kazuyuki; Matai, Masahiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is described a radio paging receiver including a DC power supply, a coil element and a light, emitting circuit. The light emitting circuit includes a first light emitting element connected at a first terminal to the DC power supply and at a second terminal to one end of the coil element. It further includes a second light emitting element connected at a third terminal to the other end of the coil element and at a fourth terminal to ground, such that the second light emitting element is identical with the first light emitting element with respect to direction. A first switch is connected between the second terminal and ground. A second switch is connected between the third terminal and …
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 24, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 24, 2009.
- 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.