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1. US20090196136 - Recordable type information recording medium, information recording apparatus, and information recording method

Office United States of America
Application Number 12301683
Application Date 30.05.2006
Publication Number 20090196136
Publication Date 06.08.2009
Grant Number 07929405
Grant Date 19.04.2011
Publication Kind B2
IPC
G11B 7/24
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
7Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power; Record carriers therefor
24Record carriers characterised by shape, structure or physical properties, or by the selection of the material 
G11B 20/00
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
20Signal processing not specific to the method of recording or reproducing; Circuits therefor
Applicants Pioneer Corporation
Inventors Kato Masahiro
Hasebe Tsuyoshi
Yoshida Masayoshi
Suzuki Toshio
Kuroda Kazuo
Agents Young & Thompson
Title
(EN) Recordable type information recording medium, information recording apparatus, and information recording method
Abstract
(EN)

In a recording disc, a straight groove (31) and a position determining pit (33) are formed in an inner circumference area (21), and a straight groove (34) and an over-run preventing pit (36) are formed in an outer circumference area (22), and only a straight groove (37) is formed over the entire middle area (23).

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