Microphone with telescopic sound pickup means

Details Microphone with telescopic sound pickup means Microphone with telescopic sound pickup means

1995-11-16

1998-04-21

Tran, Sinh

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Thermal response to, or generation of, sound vibration

381168, H04R 2500

Patent

active

057426970

ABSTRACT:
A microphone having a telescopic sound pickup means includes a handle fitted with an adjusting knob provided with an internal spiral slide groove. By turning the adjusting knob, a pin may be brought by the spiral slide groove to slide upwardly and downwardly along a vertical slot formed in one side of the handle. The pickup head is therefore brought to perform telescopic actions by the displacement of the pin.

REFERENCES:
patent: 681813 (1901-09-01), Ries
patent: 2288822 (1942-07-01), McCarron
patent: 4060697 (1977-11-01), Neal
patent: 5406638 (1995-04-01), Hirschhorn

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