Dynamic information storage or retrieval – Storage medium structure – Adjuncts or adapters
Patent
1989-03-29
1991-12-10
Ip, Paul
Dynamic information storage or retrieval
Storage medium structure
Adjuncts or adapters
369270, 369289, 360133, G11B 2303
Patent
active
050724380
ABSTRACT:
An optical information recording disc having at least one substrate for recording/reproducing information through an optical unit wherein a spindle hole, through which a spindle is provided as a disc drive system, is formed in a central portion of the substrate and an engagement member engageable with a disc engagement member integrally formed with the spindle, is formed around the central portion.
REFERENCES:
patent: 2559786 (1951-07-01), Mueller
patent: 2809840 (1957-10-01), Mueller
patent: 2809843 (1957-10-01), Mueller
patent: 2837337 (1958-06-01), Mueller
patent: 2860880 (1958-11-01), Mueller
patent: 3003771 (1961-10-01), Mueller
patent: 4061341 (1977-12-01), Kaplan
patent: 4514839 (1985-04-01), Eisemann
patent: 4570194 (1986-02-01), Schatteman
patent: 4618951 (1986-10-01), Okita et al.
patent: 4631620 (1986-12-01), Oishi et al.
patent: 4649531 (1987-03-01), Horowitz et al.
patent: 4768185 (1988-08-01), Camerik
patent: 4783717 (1988-11-01), Zeeman
patent: 4791624 (1988-12-01), Stinesen
patent: 4802158 (1989-01-01), Ogusu
patent: 4823337 (1989-04-01), Van Zanten et al.
Kurane Koreaki
Saito Akira
Sonobe Takeo
Suzuki Masahiro
Hitachi , Ltd.
Hitachi Maxell Ltd.
Ip Paul
LandOfFree
Optical information recording disc and apparatus for driving the 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 information recording disc and apparatus for driving the, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical information recording disc and apparatus for driving the will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1046217