Radiation triggered thyristor with light focussing guide
CA 1070808 A · Owner: General Electric Company · Inventors: Storm, Herbert F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A monolithic semiconductor switch for triggering from a light source or from an electrical signal is provided which includes a light-sensitive gate region and one or, more amplifying gate thyristor regions adapted to be connected to an electrical triggering source. Where light triggering is desired, the turn-on characteristics of the device are improved by providing light focussing on the light-sensitive gate region.
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 January 29, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 29, 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.