Apparatus for variably selecting the capacity of a recording medium in a recording system
CA 1075163 A · Owner: Dictaphone Corporation (Delaware) · Inventors: Sander, Willy M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus is provided for use in a recording system wherein messages are recorded on a recording medium of fixed length to, variably select the recording capacity of the medium. An operatorcontrolled selector permits an operator to establish a preselected capacity which is equal to or less than the total capacity of the medium. Signals are produced when messages are recorded and a, counter counts these signals, thereby accumulating an indication of the amount of recording medium that has messages recorded thereon. In one embodiment, the signals that are counted are representative of incremental, lengths of the recording medium so that the accumulated indication in the counter represents the …
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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 April 8, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 8, 1997.
- 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.