Fluorescence detection apparatus for immunoassay
CA 1291345 C · Owner: Hayashi, Hidechika · Inventors: Hayashi, Hidechika
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fluorescence detection apparatus for immunoassay comprising an optical system for irradiating a sample containing a fluorescent substance obtained by an immunoreaction with a light emitted from a fluorescent discharge tube, a photosensor receiving fluoresence emitted from the sample for converting the received fluorescence into an electric signal, a power source controlled by a clock pulse generator to intermittently perform the irradiation with a light emitted from the discharge tube at a predetermined frequency, and a phase sensitive detector for detecting the electric signal in synchronism with the frequency of intermittent irradiation to detect an intensity of the fluorescence by way …
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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 October 29, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 29, 2008.
- 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
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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.