Microphone

• US 6,625,293 B1
• Filed: 07/26/2000
• Issued: 09/23/2003
• Est. Priority Date: 07/27/1999
• Status: Expired due to Term

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: Matsumoto, Naoaki, Nageno, Koji
• Primary Examiner(s): Kuntz, Curtis
• Assistant Examiner(s): Ensey, Brian
• Application Number:
  US09/625,944
• Time in Patent Office: 1,154 Days
• Field of Search: 381/362, 381/364, 381/367, 381/370, 381/374, 381/375, 381/376, 381/381, 381/382, 381/FOR.147, 381/FOR.148, 381/FOR.149, 381/FOR.150, 181/18, 181/20, 181/22, 181/128
• US Class Current: 381/362
• CPC Class Codes: H04R 1/08 Mouthpieces; Microphones; Attachments therefor
• CPC Class Codes: H04R 1/1016 Earpieces of the intra-aural type
• CPC Class Codes: H04R 1/105 Earpiece supports, e.g. ear hooks for stereophonic headphones H04R5/0335
• CPC Class Codes: H04R 2201/107 Monophonic and stereophonic headphones with microphone for two-way hands free communication

Abstract

A microphone which has a highly reliable microphone arm, can be reduced in weight and size, and is constituted by a pipe microphone for narration having good acoustic characteristics includes a voice receiving opening formed in the distal end portion of a hollow microphone arm extending from a microphone main body and having flexibility, a microphone unit arranged in the microphone main body, a ventilation hole formed in the microphone arm on the microphone main body side, wherein the ventilation hole is clogged with an unwoven fabric serving as a ventilation resistance member.

Claims

1. A microphone for use by a speaker comprising:

a hollow microphone arm section having a length so that the hollow microphone arm section extends from a holding mechanism to the mouth of the speaker;

a voice receiving opening formed in a distal end portion of the hollow microphone arm section;

a microphone unit arranged on a holding mechanism side of the hollow microphone arm section;

a ventilation hole formed in a portion of the hollow microphone arm section; and

a ventilation resistance member arranged to clog the ventilation hole.

2. The microphone according to claim 1, wherein the hollow microphone arm section is formed of an elastic material having flexibility.

3. The microphone according to claim 1, wherein the ventilation resistance member is formed of an unwoven fabric.

4. The microphone according to claim 1, wherein the microphone is a pipe microphone for narration, and is integrated with one of an earphone main body and a headphone main body which forms the holding mechanism.