Disk cartridge

Details Disk cartridge Disk cartridge

1989-03-07

1991-09-10

Ro, Bentsu

Dynamic information storage or retrieval

Storage medium structure

Adjuncts or adapters

360132, 206444, G11B 23033

Patent

active

050480081

ABSTRACT:
A disk cartridge having a disk cartridge-body in which a disk-shaped record medium is rotatably accommodated and an information signal can be recorded on the disk-shaped record medium, the disk cartridge-body having an opening portion to exchange therethrough the disk-shaped record medium, an openable and closable member for opening and closing the opening portion through which the disk-shaped record medium is exchanged and a write-protecting mechanism formed on the openable and closable member to determine whether or not an information signal can be recorded in the disk-shaped record medium.

REFERENCES:
patent: 3951264 (1976-04-01), Heidecker et al.
patent: 4455642 (1984-06-01), Inaba
patent: 4460930 (1984-07-01), Takahashi
patent: 4536812 (1985-08-01), Oishi et al.
patent: 4549240 (1985-10-01), Hodges
patent: 4618060 (1986-10-01), Tarter
patent: 4618061 (1986-10-01), Rubenfeld
patent: 4665457 (1987-05-01), Odawara et al.
patent: 4669078 (1987-05-01), Ogusu
patent: 4685017 (1987-08-01), Swinburne et al.
patent: 4746013 (1988-05-01), Suzuki et al.
patent: 4805061 (1989-02-01), Champagne et al.
patent: 4816954 (1989-03-01), Woods
patent: 4860142 (1989-08-01), DiGiesi
Patent Abstract of Japan, vol. 7, No. 260 (P-239)(1411), Nov. 26, 1983, and JP-A-58 147868 (Dainippon Insatsu), Sep. 2, 1983.
Patent Abstract of Japan, vol. 7, No. 266 (P-237)(1405), Nov. 1983, and JP-A-58 141473 (Kiyanon Denshi), Aug. 22, 1983.

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