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. 06, 2000
Filed:
May. 12, 1998
Shunichi Shido, Zama, JP;
Takayuki Yagi, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An information processing apparatus is used for recording and/or reproducing information on a recording medium by means of a plurality of probes. The apparatus comprises a substrate carrying thereon a plurality of probes arranged two-dimensionally in a plane, at least three sensors at three different points on the substrate for detecting the distance between the substrate and the recording medium, a switching circuit for selecting a parallel connection or a serial connection for the sensors, and a regulating system for regulating the relative inclination and the distance between the probe plane and the recording medium surface plane according to the output of the sensors connected in series and that of the sensors connected in parallel.