VOICE COIL UNIT, ELECTRO-ACOUSTIC TRANSDUCER, AND HEADPHONE SET

• US 20160142826A1
• Filed: 11/06/2015
• Published: 05/19/2016
• Est. Priority Date: 11/18/2014
• Status: Abandoned Application

• Current Assignee: Kabushiki Kaisha Audio-technica
• Original Assignee: Kabushiki Kaisha Audio-technica
• Inventors: HONDA, Yoji, TSUIHIJI, Kenzo, TANOUE, Koichiro, ARAI, Kenji
• Application Number:
  US14/934,497
• Publication Number:
  US 20160142826A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H04R 1/1008 Earpieces of the supra-aural or circum-aural type
• CPC Class Codes: H04R 2209/041 Voice coil arrangements comprising more than one voice coil unit on the same bobbin
• CPC Class Codes: H04R 9/046 Construction

Abstract

A voice coil unit for a dynamic electro-acoustic transducer is disposed in a magnetic circuit, outputs acoustic waves through driving of a diaphragm in response to digital signals, and includes coils that are each composed of a multi-strand wire and receive different digital signals.

Claims

1. A voice coil unit for a dynamic electro-acoustic transducer disposed in a magnetic circuit and outputs acoustic waves through driving of a diaphragm in response to digital signals, the voice coil unit comprising:

a plurality of coils receiving different digital signals,

each of the coils being composed of a multi-strand wire.

2. A dynamic electro-acoustic transducer comprising:

a diaphragm; and

a voice coil unit fixed to the diaphragm,

the voice coil unit comprising the voice coil unit according to claim 1.

3. A headphone set comprising:

two driver units;

a longitudinally curved headband, the ends of the headband being attached to the driver units; and

the electro-acoustic transducer according to claim 2 electrically connected to the head phone via a line disposed along the headband and attached to the driver units.