Program control mechanism for controlling systems, more especially cooling systems
CA 1288844 C · Owner: Wein, Gedeon · Inventors: Wein, Gedeon
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Program control mechanism for controlling systems, more especially cooling systems In a program control mechanism for controlling systems, more especially cooling systems including a, program transmitter for switching devices more especially, electric devices, on and off in a time-dependent manner which mechanism is formed as at least one disc which is set in rotation by means of a motor and is provided with a plurality of control tracks in the form of concentrically disposed light and dark segments. A photoelectric scanning device is provided being associated with each control track and a switching device is connected to each output of the scanning device. The disc (3) is formed from …
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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 September 10, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 10, 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
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.