Optical communication apparatus for motor vehicle
CA 1304784 C · Owner: Okazaki, Kunio · Inventors: Ishikawa, Kiyomitsu; Okazaki, Kunio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An optical communication apparatus for motor vehicles comprising: using a light emitting diode of a rear combination lamp, marker lamp or the like as a light emitting element; providing a light receiving element near at the light emitting element; and connecting a transmitter to the light emitting element and a receiver to the light receiving element.
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 July 7, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 7, 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.