Title:
HORN MONITOR OF PANTOGRAPH
Document Type and Number:
Japanese Patent JP2009294033
Kind Code:
A
Abstract:
To provide a horn monitor of a pantograph capable of monitoring the state of the abraded surface or flaw of a horn part difficult to monitor by another sensor containing an ultrasonic sensor or an image processing technique.
The horn monitor of the pantograph is equipped with an imaging means installed above the pantograph 11 and imaging the image of the abraded surface 12a of the upper surface of the horn 12 of the pantograph 11 and an image processing means for monitoring the state of the abraded surface 12a or flaw 12b of the horn 12 by processing the image of the abraded surface 12a.
Inventors:
NIWAKAWA MAKOTO
KAMIYA HIROYUKI
WATANABE TAKASHI
TANAKA TAKAFUMI
KAMIYA HIROYUKI
WATANABE TAKASHI
TANAKA TAKAFUMI
Application Number:
JP2008146967A
Publication Date:
December 17, 2009
Filing Date:
June 04, 2008
Export Citation:
Assignee:
MEIDENSHA ELECTRIC MFG CO LTD
TOKAI RYOKAKU TETSUDO KK
TOKAI RYOKAKU TETSUDO KK
International Classes:
G01N21/95; B60L5/24; G01B11/04; G01B11/30; G01N21/88; H04N7/18
Domestic Patent References:
| JPH08228338A | 1996-09-03 | |||
| JP2006248412A | 2006-09-21 | |||
| JP2005337714A | 2005-12-08 | |||
| JPH0833105A | 1996-02-02 |
Attorney, Agent or Firm:
Toshiro Mitsuishi
Tadahiro Mitsuishi
Yasuyuki Tanaka
Hiroshi Matsumoto
Tadahiro Mitsuishi
Yasuyuki Tanaka
Hiroshi Matsumoto