Dynamic information storage or retrieval – Information location or remote operator actuated control – Selective addressing of storage medium
Patent
1988-09-12
1989-11-07
Stephan, Steven L.
Dynamic information storage or retrieval
Information location or remote operator actuated control
Selective addressing of storage medium
250201, 360 722, 369 33, 369 44, 369 45, G11B 300, G11B 2108
Patent
active
048797057
ABSTRACT:
A disc player comprising a signal pickup unit to read information from a disc on which program information including address information is recorded, the signal pickup unit being movable with respect to the disc, pickup drive means to drive the pickup unit for movement with respect to the disc, and a control circuit including an address memory for storing the newest one of the addresses read from the disc, a counter operative to count addresses at predetermined time intervals for producing a signal representative of an expected address indicative of the position to which the pickup unit is expected to move in the next, the expected address being updated at predetermined time intervals, a detector circuit to produce a signal each time a discrepancy is found to exist between the newest address and the expected address. In response to the signal from the detector circuit, the pickup drive means is actuated to drive the pickup unit for movement to the position dictated by the newest address or the expected address.
REFERENCES:
patent: 4106058 (1978-08-01), Romeas
patent: 4138663 (1979-02-01), Lehureau
patent: 4325133 (1982-04-01), Reitmoyer
patent: 4344165 (1982-08-01), Akiyama
patent: 4375091 (1983-02-01), Dakin
patent: 4476499 (1984-10-01), Kanamaru
patent: 4553231 (1985-11-01), Arc
patent: 4555736 (1985-11-01), Mathieu
patent: 4611317 (1986-09-01), Takeuchi
Aoyagi Yoshio
Haeno Akira
Hirano Hiroyuki
Kimura Toshiyuki
Matsumoto Keiichi
Pioneer Electronic Corporation
Stephan Steven L.
LandOfFree
Automatic loading disc player does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Automatic loading disc player, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Automatic loading disc player will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-87430