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Title:
SIGNAL TRANSMISSION SYSTEM
Document Type and Number:
Japanese Patent JP2004064750
Kind Code:
A
Abstract:

To provide a means for confirming a present position by attaching and coupling a directional coupler, a loop antenna and the like for reception on a transmission line in a receiver which carries an electric field generated on the transmission line alone therewith.

A high frequency signal interlocked to an output signal of a traffic signal is transmitted to a guide line, a directional coupler is attached and coupled to the guide line, and the high frequency signal is received by the directional coupler.


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Inventors:
TAYA KEIICHIRO
SHIMOKUCHI TOSHIHARU
Application Number:
JP2003161628A
Publication Date:
February 26, 2004
Filing Date:
June 06, 2003
Export Citation:
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Assignee:
TEKNONIX KK
TAYA KEIICHIRO
International Classes:
A61F9/08; G08G1/005; G08G1/09; G08G1/095; H04B5/00; A61H3/06; (IPC1-7): H04B5/00; A61F9/08; A61H3/06; G08G1/005; G08G1/09; G08G1/095
Attorney, Agent or Firm:
Takeshi Kikuchi
Hirayama Sukou
Keiji Nakano



 
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