Optical sensor having atomically localized luminescence centers
CA 1205300 A · Owner: Asea Aktiebolag · Inventors: Hok, Bertil; Brogardh, Torgny; Ovren, Christer
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fiber optical sensor for detecting a change in a physical quantity which comprises a body of a solid and, substantially optically transparent bonding material the, bonding material determining the mechanical properties of said body. At least 1% by weight of atomically localized liminescent centers are included as a solution in the bonding material, these centers substantially determining the luminescent properties of said body.
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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 June 3, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 3, 2003.
- 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.