Title:
OBJECT DETECTOR IN CROSSCUT
Document Type and Number:
Japanese Patent JP2007015664
Kind Code:
A
Abstract:
To provide an object detector in crosscut, having good maintainability.
In the object detector 1, a magnetic sensor 10 buried in a monitoring area as a means for detecting an object is used, and a control box 20 as a detection means detects the object which exists in the monitoring area on the basis of a signal from the magnetic sensor 10. The magnetic sensor 10 is so constituted as to measure an influence of geomagnetic variations in which a vehicle gives to surroundings by using physical properties in which magnetic force lines concentrate inside metal objects of the vehicle and a bicycle or the like (hereinafter called the vehicle). Thus, the object detector 1 with good maintainability can be attained.
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Inventors:
ISHIZU SEIICHI
TAKEUCHI HIROTO
TOKOROZAWA TETSUMASA
ANDO SATOSHI
FUEBUKI AKIYOSHI
IKEDA YUKIO
SATORI KOJI
TOYODA KOICHI
TAKEUCHI HIROTO
TOKOROZAWA TETSUMASA
ANDO SATOSHI
FUEBUKI AKIYOSHI
IKEDA YUKIO
SATORI KOJI
TOYODA KOICHI
Application Number:
JP2005202116A
Publication Date:
January 25, 2007
Filing Date:
July 11, 2005
Export Citation:
Assignee:
TOKAI RYOKAKU TETSUDO KK
HITACHI CABLE
DENKI GIJUTSU KAIHATSU KK
HITACHI CABLE
DENKI GIJUTSU KAIHATSU KK
International Classes:
B61L29/00
Domestic Patent References:
| JPH1081238A | 1998-03-31 | |||
| JP2001264005A | 2001-09-26 | |||
| JPH05178210A | 1993-07-20 | |||
| JPH1145114A | 1999-02-16 | |||
| JP2002037078A | 2002-02-06 | |||
| JP2007010681A | 2007-01-18 | |||
| JP2002350103A | 2002-12-04 | |||
| JPH06321114A | 1994-11-22 | |||
| JP2001270442A | 2001-10-02 | |||
| JPH11144187A | 1999-05-28 | |||
| JPH10172092A | 1998-06-26 | |||
| JP2000280910A | 2000-10-10 |
Attorney, Agent or Firm:
Tsutomu Adachi