Claims
- 1. A method for reproducing an optical recording medium wherein an n-th recording track is located at a distance from an (n-1)th recording track preceding said n-th recording track in a recording region which is narrower than the diameter of a spot of a light beam radiated on the recording area, with recording data obtained on logical processing with recording data recorded on the (n-1)th recording track being recorded on the n-th recording track, comprising
- deciding whether data recorded on the (n-1)th recording track has been read correctly based on comparison between replay data of the (n-1)th recording track produced on scanning an (n-2)th recording track and the (n-1)th recording track on said recording region with a light beam and replay data of the (n-1)th recording track produced on scanning the (n-1)th recording track and the n-th recording track on said recording region with a light beam, said n-th recording region succeeding said (n-1)th recording track.
Priority Claims (4)
Number |
Date |
Country |
Kind |
4-069736 |
Feb 1992 |
JPX |
|
4-157434 |
May 1992 |
JPX |
|
4-182847 |
Jun 1992 |
JPX |
|
PCT/JP93/00205 |
Feb 1993 |
WOX |
|
Parent Case Info
This is a continuation of application Ser. No. 08/292,245 filed on Aug. 17, 1994, now abandoned, which is a division of application Ser. No. 08/133,113 filed on Oct. 12, 1993, now pending.
US Referenced Citations (19)
Foreign Referenced Citations (11)
Number |
Date |
Country |
0305979 |
Mar 1989 |
EPX |
0376626A2 |
Jul 1990 |
EPX |
0402180A3 |
Dec 1990 |
EPX |
0400899A2 |
Dec 1990 |
EPX |
0502582A1 |
Sep 1992 |
EPX |
0507304A2 |
Oct 1992 |
EPX |
58-158044 |
Sep 1983 |
JPX |
1-134728 |
May 1989 |
JPX |
2-185717 |
Jul 1990 |
JPX |
3-119523 |
May 1991 |
JPX |
4-28016 |
Jan 1992 |
JPX |
Non-Patent Literature Citations (1)
Entry |
Patent Abstracts of Japan, vol. 9, No. 76, p. 346, Apr. 5, 1985, & JP59207433. |
Divisions (1)
|
Number |
Date |
Country |
Parent |
133113 |
Oct 1993 |
|
Continuations (1)
|
Number |
Date |
Country |
Parent |
292245 |
Aug 1994 |
|