Connector for condenser microphone

• US 20060105602A1
• Filed: 11/14/2005
• Published: 05/18/2006
• Est. Priority Date: 11/15/2004
• Status: Active Grant

• Current Assignee: Kabushiki Kaisha Audio-technica
• Original Assignee: Kabushiki Kaisha Audio-technica
• Inventors: Akino, Hiroshi
• Granted Patent: US 7,104,844 B2
• Time in Patent Office: Days
• US Class Current: 439/218
• CPC Class Codes: H01R 13/514 composed as a modular blocks or assembly, i.e. composed of co-operating parts provided with contact members or holding contact members between them
• CPC Class Codes: H01R 13/648 Protective earth or shield arrangements on coupling devices , e.g. anti-static shielding coaxially arranged shields H01R24/38
• CPC Class Codes: H01R 2103/00 Two poles
• CPC Class Codes: H01R 24/40 specially adapted for high frequency

Abstract

The present invention prevents a high-frequency current from entering a microphone case via a pin penetratingly provided on an output connector; the high-frequency current results from an electromagnetic wave radiated by a cellular phone and the like. The present invention provides an output connector of a 3-pin type in which three pins, a grounding first pin E and a second and third pins SH and SC for signals are penetratingly provided on a connector base 11 comprising an electric insulator, the first pin E being installed at an end of a conductive microphone case of a condenser microphone so as to electrically connect to the microphone case, wherein all or one of the pins contains a chip type inductor element 140 that inhibits a high-frequency current at the output connector 10A.

Claims

1. An output connector of a 3-pin type in which three pins, a grounding first pin and a second and third pins for signals are penetratingly provided on a connector base comprising an electric insulator, the first pin being installed at an end of a conductive microphone case of a condenser microphone so as to electrically connect to the microphone case,

wherein each of the pins contains a chip type inductor element that inhibits a high-frequency current.

2. The output connector for the condenser microphone according to claim 1, wherein each of the pins comprises a pin main body penetratingly provided on the connector base, a cylindrical chip holder comprising an electric insulator and having one end attached to an end of the pin main body which is located inside the microphone case, and a metal cap that covers the other end of the chip holder so as to be electrically insulated from the pin main body, the chip type inductor element is placed in the chip holder, and the pin main body and the cap are electrically connected via the chip type inductor element.

3. The output connector for the condenser microphone according to claim 2, wherein an elastic conductive material is placed between one terminal portion of the chip type inductor element and the pin main body and between the other terminal portion of the chip inductor element and the cap.

4. The output connector for the condenser microphone according to claim 3, wherein a metal net is used as the conductive material.