Position measurement system
CA 1055136 A · Owner: Inductosyn Corporation · Inventors: Tripp, Robert W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A position measurement system is disclosed including an improved pulse-width modulator in which positive and negative modulation counters respectively provide first and second modulator pulses having a time displacement therebetween proportional to a displacement between relatively movable members of a transducer. The modulation counters can be loaded to store signals representative of a cumulative number of least changes of the displacement and clock pulses, are provided to the modulation counters whereby the modulator output pulses are generated. The time displacement between the output pulses is changed in proportion to the cumulative number of the least changes stored by the counters. …
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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 May 22, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 22, 1996.
- 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.