Title:
携帯電話機
Document Type and Number:
Japanese Patent JP4206612
Kind Code:
B2
Abstract:
A portable telephone having an antenna for transmitting and/or receiving a wireless signal, a microphone for generating a sound signal corresponding to an input sound, a transmitting and receiving circuit for generating a wireless signal corresponding to the sound signal generated by the microphone to transmit the wireless signal through the antenna and generating a sound signal corresponding to the wireless signal received by the antenna, a receiver for outputting sound corresponding to the sound signal generated by the transmitting and receiving circuit, a shield case for surrounding and housing all or part of the transmitting and receiving circuit and being conductive, an electric wave absorber with one face in contact with a predetermined area of the shield case for absorbing an electric wave, and a conductive layer formed on another face of the electric wave absorber and electrically connected to the shield case.
Inventors:
Junichi Toyota
Okayama Katsumi
Iwashita
Yoshiki Kanayama
Hiroki Ito
Okayama Katsumi
Iwashita
Yoshiki Kanayama
Hiroki Ito
Application Number:
JP2000175573A
Publication Date:
January 14, 2009
Filing Date:
June 07, 2000
Export Citation:
Assignee:
ソニー株式会社
International Classes:
H04M1/02; H05K9/00; H01Q1/24; H01Q1/52; H01Q17/00; H04B1/38; H04W88/02
Domestic Patent References:
| JP5022184A | ||||
| JP9500246A | ||||
| JP4220851A | ||||
| JP10145898A | ||||
| JP9181637A | ||||
| JP11031909A | ||||
| JP11136156A | ||||
| JP3056302U |
Attorney, Agent or Firm:
Takahisa Sato