Microphone

Details Microphone Microphone

2007-03-29

2011-12-06

Kuntz, Curtis (Department: 2614)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Housed microphone

C381S375000, C455S575100

Reexamination Certificate

active

08073178

ABSTRACT:
A microphone includes a casing having an open side and a lid mounted to and covering the open side of the casing. A circuit board and a mounting plate are mounted in the casing. An audio conversion unit and a switch are mounted on the circuit board and electrically connected with each other such that activation of the switch controls on/off of the audio conversion unit. The lid includes a pivotal portion pivotably engaged with an end of the mounting plate distant to the switch, allowing the other end of the lid to pivot relative to the mounting plate between an activating position for pressing against and activating the switch and a non-activating position disengaged from the switch. A returning member is mounted between the lid and the casing for returning the other end of the lid to the non-activating position.

REFERENCES:
patent: 3707607 (1972-12-01), Reddick
patent: 3800089 (1974-03-01), Reddick

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