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Title:
EXPANSION ANTENNA
Document Type and Number:
Japanese Patent JP2587197
Kind Code:
B2
Abstract:

PURPOSE: To obtain the expansion antenna with high reliability in which antenna part are surely expanded.
CONSTITUTION: A polygonal(N) prism (N is 4 or 6) structural module is formed in the expansion antenna by plural side faces each comprising a stem 1 having main hinges 2 at both ends, a folded member 3 and a pantograph member 4, a 1st separator 13 is fixed to the main hinge at an upper side.of the structural module and a 2nd separator 14 is fixed to a middle part of the stem 1. Moreover, a 3rd separator 15 fixed by the 1st separator 13 and the 2nd separator 14 is provided between the 1st separator 13 and the 2nd separator 14 and a 4th separator 16 is fitted to an upper part of the 1st separator 13 so as to cover a compression coil spring 9.


Inventors:
AKAISHI AKIRA
OKAMOTO TERUYOSHI
NARUKI HIROYUKI
TANIZAWA KAZUO
Application Number:
JP10353894A
Publication Date:
March 05, 1997
Filing Date:
May 18, 1994
Export Citation:
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Assignee:
UCHU TSUSHIN KISO GIJUTSU KENKYUSHO KK
MITSUBISHI DENKI KK
International Classes:
H01Q15/14; H01Q1/08; H01Q1/28; H01Q15/20; (IPC1-7): H01Q15/20; H01Q1/08; H01Q1/28; H01Q15/14
Domestic Patent References:
JP1151630A
JP2241209A
Attorney, Agent or Firm:
Takada Mamoru