Sound inhibitor for audio transducers

Details Sound inhibitor for audio transducers Sound inhibitor for audio transducers

1983-07-22

1985-08-27

Rubinson, Gene Z.

Electrical audio signal processing systems and devices

Hearing protectors, electrical

361 75, 361 89, H02H 104

Patent

active

045382964

ABSTRACT:
A protection circuit for limiting the sound pressure level provided by transducer loads, such as headphones, in which there is provided interconnections between the input to the transducer load and the transducer load such that when loudness exceeds a predetermined limit, the connection to the transducer load is opened and the circuit turns off the audio signal to the transducer load and optionally illuminates an LED. After a predetermined time interval, the circuit automatically resets; however, if the sound pressure level has not been reduced below the predetermined limit, the circuit again immediately turns off the audio signal to the transducer load and this is continued until such time as the sound pressure level is reduced below the predetermined limit.

REFERENCES:
patent: 3544720 (1970-12-01), Corderman
patent: 3602773 (1971-08-01), Berstein
patent: 3731153 (1973-05-01), Nishimoto
patent: 3890465 (1975-06-01), Kaizu
patent: 3904931 (1975-09-01), Leidich
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patent: 4173740 (1979-11-01), Nagata
patent: 4224470 (1980-09-01), Persson
patent: 4447844 (1984-05-01), Schossow

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