Integrated, micro-optical device
CA 1237006 A · Owner: Bosch Breitbandnetze Gmbh · Inventors: Unger, Hans-Georg
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An integrated micro-optical device for use in combination with a monomode fiber, a laser and a photodiode. A common substrate includes means for connecting the fiber, laser and photodiode to the device. A first film waveguide is disposed on the substrate and presents a first beam path between the means for connecting the fiber and the means for connecting the photodiode. A refraction grid is disposed in the first beam path of the film waveguide. A second film waveguide is disposed on the substrate and presents a second beam path between the means for connecting the laser and the refraction grid. The refraction grid is constructed and positioned on the substrate so that the refraction grid …
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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 May 24, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 24, 2005.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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.