GPS ANTENNA SYSTEM - MITSUI CONSTR

Title:

GPS ANTENNA SYSTEM

Document Type and Number:

Japanese Patent JPH07283630

Kind Code:

A

Abstract:

PURPOSE: To provide the GPS antenna system which sets a communication antenna to the installation height adapted to communication without using a communication pole.

CONSTITUTION: A pole member 6 is provided, and a GPS antenna 21 is provided in the upper end of the pole member 6, and a transmission antenna 53 is stored in an antenna storage space 63 and is provided under the GPS antenna 21 in the upper part of the pole member 6, and a cable unit 56 is so provided that it connects the antenna storage space 63 and the outside. Thus, the surveyor who moves between survey points only takes the pole member 6 in his hand to hold the transmission antenna 53 and the GPS antenna 21 and only supports the pore member 6 on the survey point to support the transmission antenna 53 in the upper part of the pole member 6.

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Inventors:

SADA TATSUNORI
TAKADA TOMONORI
SAKURAI HIROSHI

Application Number:

JP9582594A

Publication Date:

October 27, 1995

Filing Date:

April 08, 1994

Export Citation:

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Assignee:

MITSUI CONSTR

International Classes:

G01C15/00; G01S19/36; G01S19/43; H01Q1/12; H01Q1/44; H04B7/15; (IPC1-7): H01Q1/12; G01C15/00; G01S5/14; H01Q1/44; H04B7/15

Attorney, Agent or Firm:

Shinji Aida (1 outside)

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