Electronic programmable controller device
CA 1215765 A · Owner: Wong, Gim · Inventors: Wong, Gim
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
47-, "ELECTRONIC PROGRAMMABLE CONTROLLER DEVICE" ABSTRACT OF THE DISCLOSURE, An electronic programmable controlling device for electrical apparatus includes a real time clock and time and sensor memory units which can be programmed from a keyboard. Comparators compare real time with programmed time for controlling the electrical apparatus and also for comparing programmed sensor data with input sensor data also for controlling the electrical apparatus either separately or together with the time data. Day of the week switches are operable to select which days the controller controls the electrical apparatus. Error indicating means are provided to detect programming error and a, single …
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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 December 23, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 23, 2003.
- 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.