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:
Jan. 21, 2003
Filed:
Jul. 16, 1999
Tetsuo Sugano, Tokyo, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
When an operator inserts a standard magnetic tape into the magnetic recording and reproducing apparatus and performs operation for bringing the apparatus into the play mode for checking X value, the tracking value varies in stages, and an external device or the magnetic recording and reproducing apparatus produces an envelope detected output having a value corresponding to an output from the rotary heads, samples an envelope detected output at predetermined positions within a single trace by the rotary heads in each tracking value, and executes a check of the preset value (X value) or a check of the linearity of the tracking value of the rotary heads.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile