Micro computer system with selectable operational mode
CA 1181529 A · Owner: Sony Corporation · Inventors: Yamashiki, Yutaka; Fukuda, Joji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Operation of a micro computer system is selected by a selecting switch which is usually provided at a rear or side panel of the micro computer system. The micro computer system of this disclosure can be operated under a predetermined program, if a power switch is made on while pushing any key in spite of the selecting position of the selecting key.
Read the whole patent
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 22, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 22, 2002.
- 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.