Cassette detection device for recording and/or playback apparatu

Details Cassette detection device for recording and/or playback apparatu Cassette detection device for recording and/or playback apparatu

1975-07-07

1977-05-03

Eddleman, Alfred H.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

200DIG1, 335205, 360 92, G11B 1568, G11B 2304, G11B 2336

Patent

active

040218554

ABSTRACT:
In a recording and/or playback apparatus for record carriers accommodated in cassettes, a detection device for determining the presence of a cassette in the apparatus in the correct position. The device comprises an electric circuit for controlling an apparatus function, in response to a sensing means formed by capacitive coupling between two spaced electrodes in the apparatus and an electrically conducting component in the cassette.

REFERENCES:
patent: 3178685 (1965-04-01), Pettitt
patent: 3254313 (1966-05-01), Atkins et al.
patent: 3317212 (1967-05-01), Tatter et al.
patent: 3329838 (1967-07-01), Myers
patent: 3492440 (1970-01-01), Cerbone et al.
patent: 3548138 (1970-12-01), Van Dine
patent: 3691490 (1972-09-01), Ragni
patent: 3766327 (1973-10-01), Johnson et al.
patent: 3777255 (1973-12-01), Young et al.
patent: 3825949 (1974-07-01), Pyles

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