JPS5220505A - Apparatus for measuring the sensitivity of approach switch - Google Patents

Apparatus for measuring the sensitivity of approach switch

Info

Publication number
JPS5220505A
JPS5220505A JP9583075A JP9583075A JPS5220505A JP S5220505 A JPS5220505 A JP S5220505A JP 9583075 A JP9583075 A JP 9583075A JP 9583075 A JP9583075 A JP 9583075A JP S5220505 A JPS5220505 A JP S5220505A
Authority
JP
Japan
Prior art keywords
sensitivity
measuring
approach switch
measurement
truck
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP9583075A
Other languages
Japanese (ja)
Inventor
Masatsugu Matsui
Masayuki Takayama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP9583075A priority Critical patent/JPS5220505A/en
Publication of JPS5220505A publication Critical patent/JPS5220505A/en
Pending legal-status Critical Current

Links

Landscapes

  • Train Traffic Observation, Control, And Security (AREA)

Abstract

PURPOSE: To permit quick and precise measurement with an apparatus for measuring the sensitivity of approach switch for detection of a train by providing the apparatus with a means for reading the extent of movement of a metal element for measurement and a level mounted on the truck.
COPYRIGHT: (C)1977,JPO&Japio
JP9583075A 1975-08-08 1975-08-08 Apparatus for measuring the sensitivity of approach switch Pending JPS5220505A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9583075A JPS5220505A (en) 1975-08-08 1975-08-08 Apparatus for measuring the sensitivity of approach switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9583075A JPS5220505A (en) 1975-08-08 1975-08-08 Apparatus for measuring the sensitivity of approach switch

Publications (1)

Publication Number Publication Date
JPS5220505A true JPS5220505A (en) 1977-02-16

Family

ID=14148300

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9583075A Pending JPS5220505A (en) 1975-08-08 1975-08-08 Apparatus for measuring the sensitivity of approach switch

Country Status (1)

Country Link
JP (1) JPS5220505A (en)

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