Compact optical wavelength discriminator radiometer
CA 1295157 C · Owner: Odhner, Jefferson E. · Inventors: Amon, Max; Odhner, Jefferson E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A wavelength discriminator designed to collect broadband, multiple wavelength input energy to isolate, specific narrow bands of interest and to image such, narrow bands of interest upon closely spaced separate, detectors. This discriminator comprises optical devices (22, 18) for directing incoming radiant energy of a certain quality and involving a wide range of wavelengths through first (26a) and second (26b) wavelength selective reflectors separated by a medium that transmits the wavelengths of interest. The wavelength selective reflectors in accordance with this invention are in a non-parallel configuration and disposed in a double pass geometrical arrangement wherein energy of a certain …
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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 February 4, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 4, 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.