| US 7,616,544 B2 | ||
| Access unit, access method, computer-readable recording medium recorded with access program, and control unit | ||
| Harumitsu Miyashita, Nara (Japan); Yasumori Hino, Nara (Japan); and Tetsuya Shihara, Osaka (Japan) | ||
| Assigned to Panasonic Corporation, Osaka (Japan) | ||
| Appl. No. 10/591,327 PCT Filed Oct. 21, 2005, PCT No. PCT/JP2005/019402 § 371(c)(1), (2), (4) Date Aug. 31, 2006, PCT Pub. No. WO2006/061955, PCT Pub. Date Jun. 15, 2006. |
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| Claims priority of application No. 2004-354747 (JP), filed on Dec. 07, 2004. | ||
| Prior Publication US 2007/0177468 A1, Aug. 02, 2007 | ||
| Int. Cl. G11B 7/00 (2006.01) | ||
| U.S. Cl. 369—47.53 | 13 Claims |
| 7. An access method for accessing a record medium, the record medium including a user area for recording user data which is
recorded and reproduced based on an instruction given by a user, said access method comprising:
recording test data in the user area based on a predetermined test condition in the user area during recording of the user
data in the user area, the recording the test data beginning in a position which is a predetermined radial distance toward
an outer circumference of the record medium from a first position in which a first portion of the user data finishes being
recorded in the user area;
reading the test data recorded in the user area in the recording operation;
referring to the test data read in the reading operation, and adjusting an access parameter for accessing the record medium;
and
recording a second portion of the user data beginning in a second position which is a predetermined radial distance toward
the outer circumference of the record medium from a position in which the test data finishes being recorded.
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