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Patent Searching and Data


Title:
CONFIRMATION DEVICE FOR OPERATIONAL STATE OF DOOR
Document Type and Number:
Japanese Patent JPH0733018
Kind Code:
A
Abstract:

PURPOSE: To always confirm operational state of a door.

CONSTITUTION: A door is determined to be in open state when an interlock switch 3 sends out a door open sensing signal and a door open sensing switch 1 detects a door open state. The door is determined to be in closed state when the door open sensing signal from the interlock switch changes while a door closed sensing switch 2 sends out a door closed signal.


Inventors:
ITO MASAHITO
ISOBE KAZUAKI
MINAMI TADAKAZU
Application Number:
JP19884893A
Publication Date:
February 03, 1995
Filing Date:
July 19, 1993
Export Citation:
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Assignee:
KOITO KOGYO KK
NISHINIPPON RYOKAKU TETSUDO KK
International Classes:
B61D19/02; E05F7/00; (IPC1-7): B61D19/02; E05F7/00
Attorney, Agent or Firm:
Masaki Yamakawa