| US 7,477,583 B2 | ||
| Information recording medium and reproducing apparatus therefor | ||
| Tetsuya Kondo, Kanagawa-ken (Japan) | ||
| Assigned to Victor Company of Japan, Limited, Yokohama (Japan) | ||
| Filed on Feb. 15, 2007, as Appl. No. 11/675,241. | ||
| Application 10/457556 is a division of application No. 09/558069, filed on Apr. 26, 2000, granted, now 6,600,716. | ||
| Application 11/675241 is a continuation of application No. 11/187963, filed on Jul. 25, 2005, granted, now 7,193,958. | ||
| Application 11/187963 is a continuation of application No. 10/457556, filed on Jun. 10, 2003, granted, now 6,937,555. | ||
| Claims priority of application No. 11-121381 (JP), filed on Apr. 28, 1999; and application No. 11-176869 (JP), filed on Jun. 23, 1999. | ||
| Prior Publication US 2007/0133377 A1, Jun. 14, 2007 | ||
| This patent is subject to a terminal disclaimer. | ||
| Int. Cl. G11B 7/00 (2006.01) | ||
| U.S. Cl. 369—53.22 [369/275.2; 369/275.3] | 5 Claims |
| 1. An information recording medium comprising:
a main information recording area provided for recording or reproducing main information; and
a recording area for environmental load information recorded with environmental load information at least composed of product
manufacturing information related to said information recording medium,
said main information recording area and said recording area for environmental load information being formed without overlapping
each other,
wherein said environmental load information is recorded as a letter pattern, and
wherein said product manufacturing information is composed of at least one information from a name of an intermediate while
manufacturing said information recording medium, a name of material used in a manufacturing process, and a coefficient of
contaminating environment.
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