Multiple-channel optical transceiver input buffer with zero static current and symmetrical hysteresis
CA 2325685 A1 · Owner: Feng, Kai Di · Inventors: Feng, Kai Di
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An input buffer for an optical receiver or transceiver which provides symmetrical, hysteresis and zero static current comprises two field effect transistors (FETs) which, form the basic buffer logic circuit two FETs which respectively provide , offset voltages to the buffer logic FETs, and two FETs which provide positive feedback. In the preferred, embodiment the input buffer provides multiple-channels each channel , comprising a, component inverter designed to provide zero static current and symmetrical hysteresis for, a different input signal mode.
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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
- Filed November 10, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 10, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 10, 2022.
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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.