Title:
【発明の名称】携帯型通信装置用アンテナ
Document Type and Number:
Japanese Patent JP3442389
Kind Code:
B2
Abstract:
A shielding structure for an antenna of a portable communications device. The structure comprising the sandwiched arrangement of a reflective array (22), a dielectric material (24) and at least one antenna element (14) comprising an array of parallel wire elements, ones of which are active and the others of which are parasitic. The shielding structure is arranged so that the reflective array (22) is closer to a user's head than the antenna element (14) in use of the communications device.
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| WO/2009/019850 | ANTENNA DEVICE |
Inventors:
Thiel, David Victor
Stephen Gregory, Okie
Lou, Jun Way
Stephen Gregory, Okie
Lou, Jun Way
Application Number:
JP50001095A
Publication Date:
September 02, 2003
Filing Date:
May 20, 1994
Export Citation:
Assignee:
Griffith University
International Classes:
H01Q1/24; H01Q1/38; H01Q3/24; H01Q15/14; H01Q19/09; (IPC1-7): H01Q1/38; H01Q3/24; H01Q19/09
Domestic Patent References:
| JP6249729A | ||||
| JP2125503A | ||||
| JP1246904A | ||||
| JP5827403A | ||||
| JP4507176A |
Other References:
【文献】米国特許4800392(US,A)
【文献】米国特許4356492(US,A)
【文献】米国特許4379296(US,A)
【文献】米国特許4367474(US,A)
【文献】米国特許4356492(US,A)
【文献】米国特許4379296(US,A)
【文献】米国特許4367474(US,A)
Attorney, Agent or Firm:
Tadahiko Ito