Condenser microphone and head thereof
AssigneeKabushiki Kaisha Audio-Technica
InventorHiroshi Akino
Life of this patent
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Abstract
A head of a condenser microphone includes: a condenser microphone unit; a housing supporting the condenser microphone unit; a first circuit board arranged adjacent to the condenser microphone unit in the housing; a second circuit board arranged remote from the condenser microphone unit and separated from the first circuit board in the housing; and a magnetic sheet arranged between and separated from the first circuit board and the second circuit board in the housing, the first circuit board including a circuit for processing an audio signal from the condenser microphone unit; the second circuit board including a DC-DC converter circuit unit for generating a polarization voltage to be applied to the condenser microphone unit.
Claims15
A head of a condenser microphone comprising:
- a condenser microphone unit;
- a housing supporting the condenser microphone unit at a top end thereof;
- a first circuit board arranged adjacent to the condenser microphone unit in the housing;
- a second circuit board arranged remote from the condenser microphone unit and separated from the first circuit board in the housing;
- and
- a first magnetic sheet arranged between and separated from the first circuit board and the second circuit board in the housing,
- wherein the first circuit board includes a circuit for processing an audio signal from the condenser microphone unit, and
- wherein the second circuit board includes a DC-DC converter circuit unit for generating a polarization voltage for applying to the condenser microphone unit.
A head of a condenser microphone comprising:
- a condenser microphone unit;
- a housing supporting the condenser microphone unit at a top end thereof;
- a first circuit board arranged adjacent to the condenser microphone unit in the housing;
- a second circuit board arranged remote from the condenser microphone unit and separated from the first circuit board in the housing;
- and
- a first conductive sheet arranged between and separated from the first circuit board and the second circuit board in the housing,
- wherein the first circuit board includes a circuit for processing an audio signal from the condenser microphone unit, and
- wherein the second circuit board includes a DC-DC converter circuit unit for generating a polarization voltage for applying to the condenser microphone unit.
A condenser microphone having a head of the condenser microphone, the head of the condenser microphone comprising:
- a condenser microphone unit;
- a housing supporting the condenser microphone unit at a top end thereof;
- a first circuit board arranged adjacent to the condenser microphone unit in the housing;
- a second circuit board arranged remote from the condenser microphone unit and separated from the first circuit board in the housing;
- and
- a first magnetic sheet arranged between and separated from the first circuit board and the second circuit board in the housing,
- wherein the first circuit board includes a circuit for processing an audio signal from the condenser microphone unit,
- wherein the second circuit board includes a DC-DC converter circuit unit for generating a polarization voltage for applying to the condenser microphone unit, and
- wherein the head is connected to a main body of the condenser microphone.
A condenser microphone having a head of the condenser microphone, the head of the condenser microphone comprising:
- a condenser microphone unit;
- a housing supporting the condenser microphone unit at a top end thereof;
- a first circuit board arranged adjacent to the condenser microphone unit in the housing;
- a second circuit board arranged remote from the condenser microphone unit and separated from the first circuit board in the housing;
- and
- a first conductive sheet arranged between and separated from the first circuit board and the second circuit board in the housing,
- wherein the first circuit board includes a circuit for processing an audio signal from the condenser microphone unit,
- wherein the second circuit board includes a DC-DC converter circuit unit for generating a polarization voltage for applying to the condenser microphone unit, and
- wherein the head is connected to a main body of the condenser microphone.
Dependencies are inferred from the claim text.