Diode capable of alternately functioning as an emitter and detector of light of the same wavelength
CA 1106483 A · Owner: Thomson-Csf · Inventors: Carballes, Jean-Claude
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A DIODE CAPABLE OF ALTERNATELY FUNCTIONING AS AN EMITTER AND DETECTOR OF LIGHT OF THE SAME WAVELENGTH ABSTRACT OF THE DISCLOSURE:, The invention relates to a diode capable of alternately operating as a dedector and emitter of light in the same frequency band. This diode comprises an active zone disposed between two localising zones and respectively forming two heterojunctions with these zones. The backward biassing voltage is such that the active zone is the seat of the avalanche phenomenon.
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 August 4, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 4, 1998.
- 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.