Edge transition insensitive delay line apparatus & method
CA 2029981 A1 · Owner: Tietz, Gary William · Inventors: Tietz, Gary William; Davis, Craig Moore
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system (100 50, 300) for recovering a clock, signal from a serial data signal (102) having rising (204) and falling (206) transitions. The transitions (204, 206) are detected by a transition detector (11 12, 108, 110) which generates a transition signal (13a, 13b, 109, 111) having a first logic state when a rising (204) or falling (206) transition is detected. The system (100, 50, 300) includes a delay device (22, 120, 122) which delays the transition signal (13a,13b,109, 111) by a preselected time period and a gating device (24, 124, 126) responsive to the transition signal (13a, 13b, 109 111). The, gating device (24, 124, 126) is enabled by the transition signal (13a, 13b, 109, 111) …
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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 14, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 14, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 14, 2012.
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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.