Magnetic drum cassette with magnetic drum having voice informati

Details Magnetic drum cassette with magnetic drum having voice informati Magnetic drum cassette with magnetic drum having voice informati

1983-08-29

1986-09-02

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360106, 360128, G11B 5004, G11B 555, G11B 2108, G11B 510

Patent

active

046099565

ABSTRACT:
A magnetic drum and parts ancillary thereto are enclosed in a housing consisting of an upper casing and a lower casing to form a cassette-type magnetic drum unit for voice information system. The magnetic drum cassette is releasable from the system which includes a magnetic head for reproducing the voice information stored in the magnetic drum.

REFERENCES:
patent: 3482060 (1969-12-01), Dermond
patent: 3618120 (1971-11-01), Hanbicki
patent: 4225893 (1980-09-01), Loiselle
patent: 4333116 (1982-06-01), Schoettle et al.
patent: 4376961 (1983-03-01), Torii et al.
patent: 4422112 (1983-12-01), Tanaka
patent: 4439792 (1984-03-01), van de Bult
patent: 4445157 (1984-04-01), Takahashi

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