Optical disk apparatus with an erase checking function

Details Optical disk apparatus with an erase checking function Optical disk apparatus with an erase checking function

1986-12-17

1989-06-20

Faber, Alan

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

369 58, 369106, 369116, G11B 2736

Patent

active

048415120

ABSTRACT:
An optical disk apparatus is disclosed in which data is recorded, reproduced and erased on an erasable optical disk. After first data is recorded in a predetermined track or sector, it is erased. Second data is then recorded in the same track or sector, and it is decided that the erase function is normal when the second data is reproduced correctly.

REFERENCES:
patent: 4403318 (1983-09-01), Nagashima et al.
patent: 4494226 (1985-01-01), Hazel et al.
patent: 4509156 (1985-04-01), Ohara et al.
patent: 4566088 (1986-01-01), Yoshida et al.
patent: 4571716 (1986-02-01), Szerlip
patent: 4583210 (1986-04-01), Winslow
patent: 4611314 (1986-09-01), Ogata et al.
patent: 4621352 (1986-11-01), Kato
patent: 4638472 (1987-01-01), Ogata et al.
patent: 4648085 (1987-03-01), Shimonou
patent: 4679184 (1987-07-01), Yoshida et al.

Affiliated with

Also associated with

Rating

Optical disk apparatus with an erase checking function does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Optical disk apparatus with an erase checking function, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical disk apparatus with an erase checking function will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-530616