Information recording method and apparatus for re- recording information on track positioned at least two tracks ahead when abnormality of tracking servo is detected
CA 1302563 C · Owner: Sakagami, Wataru · Inventors: Ogasawara, Yutaka; Sakagami, Wataru
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An information recording method for recording information on one of a plurality of tracks provided in parallel with each other on an information recording medium while performing a tracking servo operation has a characteristic that when abnormality of the tracking servo operation is generated during recording of the information, an information same as the above-mentioned information is recorded again on a track which is positioned at least two tracks ahead. An information recording apparatus for performing the above method comprises: recording means for recording information on one of said tracks;, shifting means for shifting said recording means onto another track;, tracking servo means …
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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 June 2, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 2, 2009.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.