Dynamic magnetic information storage or retrieval – Head – Core
Patent
1984-01-12
1986-10-07
Richardson, Robert L.
Dynamic magnetic information storage or retrieval
Head
Core
360 963, 360 964, 360105, H04M 164
Patent
active
046161090
ABSTRACT:
A double cassette deck to be used for a telephone answering machine comprises a main chassis having at least first and second side portions, a driving shaft rotationally retained in the main chassis and having driving portions at both ends extending through the main chassis first and second side portions, respectively, and at least one driving means provided at the main chassis for rotating the driving shaft. Two tape cassettes to be used in the cassette deck are located on the respective side portions parallel to each other, and when the tapes of the cassettes are firmly engaged with the driving portions of the driving shaft, the tapes are moved at a constant speed. The double cassette deck further comprises a first head assembly slidably connected to the first side portion, and a second head assembly connected to the second side portion. The first head assembly includes first actuating means for intermittently advancing the cassette tape, and the second head assembly includes second actuating means for intermittently advancing tape of the cassette on the second side portion. Controlling means control the first and second head assemblies so that the cassette deck can be used as a tape recorder and a telephone answering machine.
REFERENCES:
patent: 3968329 (1976-07-01), Darwood
patent: 3976236 (1976-08-01), Catto
patent: 4385205 (1983-05-01), Jacobson
patent: 4396803 (1983-08-01), Hashimoto
patent: 4445000 (1984-04-01), Hashimoto
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