Case containing optically readable carrier structure and apparat

Details Case containing optically readable carrier structure and apparat Case containing optically readable carrier structure and apparat

1983-11-23

1986-04-08

Richardson, Robert L.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

369112, 369114, 369115, 369118, 352 72, 352 78R, G11B 700, G11B 2300

Patent

active

045817294

ABSTRACT:
A case provided with an information carrier consisting of a tape, one side of which has a structure carrying optically readable information as well as an apparatus for writing, reading or erasing such information. In the dustproof case containing a tape having on one side a structure carrying optically readable information, the tape is accomodated on two reels. The case is provided with one window through which a part of the tape between the reels is visible and with pressing means for urging that visible part of the tape against the window. This pressing means may be a wheel and the window may have the shape of a cylindrical lens.

REFERENCES:
patent: 1856524 (1932-05-01), Whitaker et al.
patent: 1933783 (1933-11-01), Wittel
patent: 1989836 (1935-02-01), Whitman
patent: 1996732 (1932-09-01), Whitman
patent: 2039436 (1936-05-01), Moore
patent: 3007382 (1957-02-01), Bok
patent: 3615127 (1971-10-01), Land
patent: 3627407 (1971-12-01), Cook
patent: 3792910 (1974-02-01), Holmes
patent: 3840973 (1974-10-01), Potter
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patent: 4079431 (1978-03-01), Marut
patent: 4149781 (1979-04-01), Everett, Jr.

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