System for recording information signal, and record carrier and recording device for use in the system
CA 1305253 C · Owner: Stockx, Henricus T.L.P. · Inventors: Farla, Martin A.J.P.; Stockx, Henricus T.L.P.; Kuijpers, Fransiscus L.J.M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
System for recording an information signal and, record carrier and recording apparatus for use in the system. A recording system is revealed in which an, optically inscribable record carrier (32) is provided with adjustment information which is indicative of the write signal waveforms (Vs) required to record an information signal (Vi) on the record carrier (32). The recording system further comprises a recording apparatus comprising a control circuit (62) for deriving the write signals (Vs) from the information signal (Vi). The recording apparatus comprises a read device (30 38, 39, 40) for reading the adjustment information in a time interval prior to recording. The control circuit (62) …
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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 July 14, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 14, 2009.
- 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.