Sound detecting device

Details Sound detecting device Sound detecting device

1983-03-28

1984-10-23

Rubinson, Gene Z.

Electrical audio signal processing systems and devices

Hearing protectors, electrical

381107, 381120, H03G 300

Patent

active

044792395

ABSTRACT:
A sound detecting device for amplifying distant or weak sounds, including a novel loud sound suppressing circuit for temporarily shunting the amplifier input signal to ground whenever the amplifier output signal exceeds a predetermined amplitude. The microphone, amplifier, and sound suppressing circuit are mounted in a wand shaped much like a flashlight. The wand can be attached to headphones.

REFERENCES:
patent: 3243525 (1966-03-01), Eaton
patent: 3894195 (1975-07-01), Kryter
patent: 4224470 (1980-09-01), Persson et al.
patent: 4247955 (1981-01-01), Weidemann

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