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:
Jul. 12, 2016
Filed:
Mar. 04, 2015
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Akinaga Natsui, Osaka, JP;
Takeshi Morita, Okayama, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/09 (2006.01); G11B 7/24073 (2013.01); G11B 7/24009 (2013.01); G11B 7/26 (2006.01); G11B 7/24 (2013.01); G11B 7/007 (2006.01); G11B 20/12 (2006.01);
U.S. Cl.
CPC ...
G11B 7/24073 (2013.01); G11B 7/0901 (2013.01); G11B 7/24009 (2013.01); G11B 7/007 (2013.01); G11B 7/0938 (2013.01); G11B 7/26 (2013.01); G11B 20/1201 (2013.01); G11B 2007/240017 (2013.01); G11B 2220/90 (2013.01);
Abstract
Provided is an optically recordable or reproducible tape recording medium including tracking pattern groups and non-tracking pattern areas. The tracking pattern groups are repeatedly provided along a longitudinal direction of the tape, and each of the groups includes a plurality of tracking patterns. The non-tracking pattern areas are respectively provided between the tracking patterns. In addition, the non-tracking pattern areas have different lengths along the longitudinal direction of the tape.