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US 2014/0376750 A1Published application
Handset microphone
AssigneeKabushiki Kaisha Audio-Technica
InventorHiroshi Akino
Life of this patent
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Abstract
A handset microphone includes: a microphone unit, a first switch for turning on or off the output from the microphone unit, and a second switch for enabling or disabling the output from the microphone unit; the first and second switches have contacts operated by a magnetic field; the contact of the first switch is closed and short-circuits the output terminals while the first switch is being affected by the magnetic field; and the contact of the second switch is opened and disconnects one of the output terminals while the second switch is being affected by the magnetic field.
Claims5
A handset microphone comprising:
- a microphone unit;
- a first switch connected in parallel to output terminals of the microphone unit;
- and
- a second switch for opening and closing the output terminals, wherein
- the first and second switches have contacts opened or closed by a magnetic field;
- the contact of the first switch is closed and short-circuits the output terminals while the first switch is being affected by the magnetic field;
- and
- the contact of the second switch is opened and disconnects one of the output terminals while the second switch is being affected by the magnetic field.
5 more elements
Dependencies are inferred from the claim text.