Microprocessor controlled d.c. motor and application therefor
CA 1232011 A · Owner: Pitney Bowes Inc. · Inventors: Lorenzo, John L.; Pollak, Philip, Jr.; Schubert, Keith E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
MICROPROCESSOR CONTROLLED D.C. MOTOR, AND APPLICATION THEREFOR ABSTRACT, An improvement in combination with a postage meter including a rotary drum having a periphery adapted for feeding a sheet in a path of travel. The improvement comprises: a first device for sensing a time interval during which a sheet is linearly displaced a predetermined distance in the path of travel; a d.c. motor coupled to the drum for rotation of the drum; a second device for sensing angular displacement of the drum; and a computer coupled to the first and second sensing devices and to the d.c. motor; wherein the computer responds to the first sensing device for providing respective amounts representative of …
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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 January 26, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 26, 2005.
- 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.