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Title:
PORTABLE TELEPHONE
Document Type and Number:
Japanese Patent JP2001352383
Kind Code:
A
Abstract:

To provide a portable telephone that can reduce an electromagnetic energy emitted from the inside of the portable telephone to a head of a human body.

The portable telephone 102 has a transmitter 6 that generates a 1st voice signal, a transmission circuit that transmits a 1st radio signal resulting from modulating the 1st voice signal via an antenna 1, a reception circuit that demodulates a 2nd radio signal received by the antenna 1 to generate a 2nd voice signal, a receiver 9 that sounds the 2nd voice signal, a printed circuit board 5 on which the reception circuit and the transmission circuit are mounted, a shield case 4A that suppresses electromagnetic wave interference between the printed circuit board 5 and the antenna 1 and the surface of which is conductive, a radio wave absorbing body 31 that is in contact with an area 49 of the surface of the shield case 4A placed toward a body head 91 in the case of a speech, and an elastic member 21 that is placed between an enclosure 10 and a radio wave absorbing body 31 to press the radio wave absorbing body 31 to the area 49 of the shield case 4A into close adhesion thereto.


Inventors:
Iwashita, Takeshi
Toyoda, Junichi
Okayama, Katsumi
Kanayama, Yoshitaka
Ito, Hirochika
Application Number:
JP2000000175568
Publication Date:
December 21, 2001
Filing Date:
June 07, 2000
Export Citation:
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Assignee:
SONY CORP
International Classes:
H05K7/12; H04M1/02; H04Q7/32; (IPC1-7): H04M1/02; H04Q7/32; H05K7/12



 
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