Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the record
Patent
1980-05-09
1983-01-25
Eddleman, Alfred H.
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the record
360 723, G11B 1906, G11B 1548
Patent
active
043706843
ABSTRACT:
In a tape recorder, which has a circuit for producing pulses according to the running of a tape, there is provided an electronic counter circuit having a counter for counting pulses produced from that circuit and a display section for displaying the count. The electronic counter circuit includes a missing-pulse detector for detecting the pulse interval of the output pulse signal of the pulse generating circuit and producing a detection signal when the detected pulse interval exceeds a predetermined interval, a circuit for producing an alarm for a predetermined period of time according to the output signal of the missing-pulse detector, and a circuit for supplying a rotation stop signal to a motor of the tape recorder according to the output signal of the missing-pulse detector.
REFERENCES:
patent: 4085890 (1978-04-01), Kimura et al.
patent: 4157575 (1979-06-01), Satoh
patent: 4172231 (1979-10-01), d'Alayer de Costemore d'Arc et al.
patent: 4215378 (1980-07-01), Sato et al.
patent: 4267564 (1981-05-01), Flores
Furuta Kenzi
Kanayama Katsumi
Motoyama Kazuyasu
Eddleman Alfred H.
Olympus Optical Co,. Ltd.
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