Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
RECEIVER FOR TELEPHONE SET
Document Type and Number:
Japanese Patent JP2004312171
Kind Code:
A
Abstract:

To provide a receiver for telephone set that can be used in the same sense as a conventional receiver for a telephone set and carry out bone conduction speech reception when a receiver of a conventional telephone set is replaced with this receiver at a low cost.

The receiver is configured to include: a casing 1 having a mouthpiece 2 and an earpiece 3; a microphone located to the mouthpiece 2; a bone conduction amplifier 4 fitted to the earpiece 3; an amplifier 5 placed in the casing 1 and connected to the bone conduction speaker 4; a telephone connector 9 capable of being plugged into a jack 15 of a telephone set main body 15; a connection cord 6 connected to the microphone and the bone conduction speaker 4; and a power connection cord 7 interconnecting the amplifier 5 and an AC adaptor.


Inventors:
TAKEDA TAKESHI
KOBAYASHI KAZUJI
FUKUDA MIKIO
Application Number:
JP2003100552A
Publication Date:
November 04, 2004
Filing Date:
April 03, 2003
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
TEMCO JAPAN
International Classes:
H04R25/00; H04M1/00; H04M1/03; H04M1/60; H04R9/10; (IPC1-7): H04M1/03; H04M1/00; H04M1/60; H04R25/00
Domestic Patent References:
JPH08102780A1996-04-16
JPH04128453U1992-11-24
JPH09284369A1997-10-31
JPS5629557U1981-03-20
JPH07170315A1995-07-04
JP2000184027A2000-06-30
JPS55104868U1980-07-22
JPH10200977A1998-07-31
Attorney, Agent or Firm:
Haruo Saito



 
Previous Patent: VACUUM TUBE CIRCUIT

Next Patent: RECEIVER