Dynamic magnetic information storage or retrieval – General recording or reproducing – Recording-or erasing-prevention
Patent
1984-07-24
1986-03-18
Canney, Vincent P.
Dynamic magnetic information storage or retrieval
General recording or reproducing
Recording-or erasing-prevention
G11B 1504
Patent
active
045772428
ABSTRACT:
A tape recorder comprises a tape moving direction setting mechanism for setting a tape moving mode of the tape recorder to a forward moving mode in which a tape within a loaded tape cassette moves in a forward direction or to a reverse moving mode in which the tape moves in a reverse direction, forward and reverse tab detecting members for detecting the existence of forward and reverse erroneous erasure preventing tabs of the tape cassette, and for directly blocking the displacement of a recording mode setting member which undergoes displacement responsive to the setting of the tape recorder to a recording mode when no tab is detected, and a setting mechanism operated responsive to the tape moving direction setting mechanism. The setting mechanism sets the tab detecting member which is not in correspondence with the tape moving mode set by the tape moving direction setting mechanism, in a state as if this tab detecting member is detecting the tab, that is, in a state of permitting the displacement of this tab detecting member.
REFERENCES:
patent: 3677556 (1972-07-01), Oosone
patent: 3997916 (1976-12-01), Staar
patent: 4000514 (1976-12-01), Fukatsu
patent: 4000515 (1976-12-01), Fukawa
Canney Vincent P.
Victor Company of Japan Ltd.
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