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.:

US 6473377 B1

Date of Patent:

Oct. 29, 2002

Filed:

Jul. 31, 2001

Optical disc record carrier with wobbled grooves that permit recording on the grooves and lands, apparatus for manufacturing such a record carrier, and recording and/or reproducing apparatus for such a record carrier

Applicant:

Inventors:

Hideharu Eguchi, Yokosuka, JP;

Atsushi Hosoda, Yokohama, JP;

Ichiro Ueno, Isehara, JP;

Yasuhiro Ueki, Sagamihara, JP;

Assignee:

Victor Company of Japan, Ltd., Tokyo, JP;

Attorney:

Primary Examiner:

W R Young

Int. Cl.

CPC ...

G11B 7/00 ;

U.S. Cl.

CPC ...

G11B 7/00 ;

Abstract

An optical disc record carrier having at least one wobbled groove that permits information recording on both groove and land tracks is provided. Each groove has a sync wobbling modulated with a continuous signal and an address wobbling. The address wobbling includes an address portion including address information of each sector. The address portion comprising presence of a first predetermined number of wobbles and absence of a second predetermined number of wobbles. The presence and absence correspond to respective logical values of binary system. The grooves and lands are substantially the same in width throughout and wobble in phase.

Find Patent Forward Citations

Eguchi, Hideharu. (2002). Optical disc record carrier with wobbled grooves that permit recording on the grooves and lands, apparatus for manufacturing such a record carrier, and recording and/or reproducing apparatus for such a record carrier (U.S. Patent No. 6473377). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6473377

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