Title:
RADAR DEVICE FOR UNDERGROUND PROSPECTING
Document Type and Number:
Japanese Patent JP3629385
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a radar device for underground prospecting that can expand a detection range by using a small number of antennas.
SOLUTION: The radar device for underground prospecting is installed along with an underground excavator with an excavation blade that is mounted to a tip part while being inclined from an erect state for an excavation direction. Then, the radar device for prospecting the underground is provided with radar antennas 3 and 4 for prospecting the underground that is mounted to one portion of the excavation blade and or the rear portion and transmission parts 2a and 2b for selectively supplying a pulse signal with a different main frequency component to the radar antenna 3.
Inventors:
Toshimitsu Nozu
Application Number:
JP18990999A
Publication Date:
March 16, 2005
Filing Date:
July 05, 1999
Export Citation:
Assignee:
Photoelectric Manufacturing Co., Ltd.
International Classes:
G01V3/12; G01S7/03; G01S13/88; H01Q1/04; H01Q1/22; H01Q17/00; (IPC1-7): G01V3/12; G01S7/03; G01S13/88; H01Q1/04; H01Q1/22; H01Q17/00
Domestic Patent References:
| JP5164855A | ||||
| JP11083984A | ||||
| JP10020030A | ||||
| JP8220249A | ||||
| JP8278371A | ||||
| JP8094737A |
Attorney, Agent or Firm:
Toshihiko Sakurai
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