Title:
アンテナ効率の高い無線電話機
Document Type and Number:
Japanese Patent JP3809474
Kind Code:
B2
Abstract:
A radio telephone, preferably intended for cellular telecommunication, has an apparatus housing (20) and at least one antenna (21), which is mounted to or in connection with the apparatus housing for performing the wireless communication of the radio telephone by transmitting and receiving radiofrequent electromagnetic waves in a given wavelength range. A current-reducing means (30, 31) is mounted to the apparatus housing (20) between the antenna (21) and a side (23) of the radio telephone, which during normal use faces a human user (1). The means has conductive as well as dielectric properties and is arranged to reduce or eliminate electric currents present in and/or on the apparatus housing (20) between the antenna (21) and said side (23) of the radio telephone.
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WO/2017/057421 | ELECTRONIC DEVICE |
JPS60124118 | [Title of the device] Antenna system |
Inventors:
Martenson, Doug, Johann, Fredrik
Hakanson, Hans, Kenneth
Ein, Chinon
Hakanson, Hans, Kenneth
Ein, Chinon
Application Number:
JP52128298A
Publication Date:
August 16, 2006
Filing Date:
October 28, 1997
Export Citation:
Assignee:
Telephone Activola Get Elm Ericsson (Pubble)
International Classes:
H01Q1/24; H01Q1/12; H01Q1/27; H01Q17/00; H04B1/38; H04M1/03
Domestic Patent References:
JP6232622A | ||||
JP6291711A | ||||
JP7094927A | ||||
JP7123463A | ||||
JP7212822A | ||||
JP7123463A |
Foreign References:
US5335366 |
Attorney, Agent or Firm:
Miaki Kametani
Tetsuo Kanamoto
Koji Hagiwara
Hideto Asamura
Hajime Asamura
Hayashi Zouzo
Kuniaki Shimizu
Tetsuo Kanamoto
Koji Hagiwara
Hideto Asamura
Hajime Asamura
Hayashi Zouzo
Kuniaki Shimizu