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:
May. 18, 2004
Filed:
Sep. 20, 2001
Kiyoshi Ishiyama, Ome, JP;
Katsuhiko Kaida, Nishitama-gun, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A 2-axis acceleration sensor has two detection axes (X- and Y-axes), and detects a dynamic acceleration (shock) and a static acceleration (a change in gravity or tilt). A sensor output extraction unit acquires detection signals corresponding to the static acceleration for respective detection axes by extracting frequency components lower than a frequency component associated with the dynamic acceleration. A CPU determines whether the disk drive is dropping, whether it has a tilt, and so forth, based on the acquired detection signals for respective detection axes, and causes a magnetic head to be retracted to the position of a ramp if such state is detected.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile