The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 11, 1996
Filed:
May. 01, 1995
Akihiko Yamano, Sagamihara, JP;
Katsunori Hatanaka, Yokohama, JP;
Kunihiro Sakai, Isehara, JP;
Takahiro Oguchi, Yamato, JP;
Sunichi Shido, Sagamihara, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An information processing apparatus for effecting at least one of the recording and reproduction of information with probes on a recording medium having tracking grooves is disclosed. In the apparatus, a probe head having plural probes is moved relative to the recording medium, a signal based on a physical phenomenon between each probe and the recording medium is detected from each probe, a position signal indicating a position of the tracking groove is extracted from the detected signal, a reference clock signal is generated, and a start timing of reproduction or recording of the information is determined based on the phase relationship between the position signal and the reference clock signal.