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.

Date of Patent:
Oct. 11, 1994

Filed:

Feb. 19, 1993
Applicant:
Inventors:

Teruhiko Kori, Kanagawa, JP;

Hiroshi Yamazaki, Kanagawa, JP;

Sakae Okazaki, Tokyo, JP;

Hajime Watanabe, Tokyo, JP;

Satoshi Tsuchiya, Kanagawa, JP;

Miki Furuya, Saitama, JP;

Assignee:

Sony Corporation, Tokyo, JP;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
360 64 ; 360 48 ;
Abstract

A recording apparatus records a first information signal in a first recording area in a helical track by a rotary head, and optionally records a second information signal in a second recording area preceding the first recording area. The switch timing of the rotary head is determined and the end of the second recording area is detected. A third information signal is recorded between the first and second recording areas at a position which is adjusted based on the switch timing of the rotary head and the detected end point of time of the second recording area.


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