JPS5264781A - Escalator - Google Patents

Escalator

Info

Publication number
JPS5264781A
JPS5264781A JP13927575A JP13927575A JPS5264781A JP S5264781 A JPS5264781 A JP S5264781A JP 13927575 A JP13927575 A JP 13927575A JP 13927575 A JP13927575 A JP 13927575A JP S5264781 A JPS5264781 A JP S5264781A
Authority
JP
Japan
Prior art keywords
escalator
amiss
ensure
phase detector
safe operation
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
JP13927575A
Other languages
Japanese (ja)
Inventor
Satoshi Nakazawa
Shoichi Nakao
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 JP13927575A priority Critical patent/JPS5264781A/en
Publication of JPS5264781A publication Critical patent/JPS5264781A/en
Pending legal-status Critical Current

Links

Landscapes

  • Escalators And Moving Walkways (AREA)

Abstract

PURPOSE: In the controlling system for escalator, to ensure its safe operation even when the main contact of the delta connection relay goes amiss, by installing another defective phase detector exclusively for it.
COPYRIGHT: (C)1977,JPO&Japio
JP13927575A 1975-11-21 1975-11-21 Escalator Pending JPS5264781A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13927575A JPS5264781A (en) 1975-11-21 1975-11-21 Escalator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13927575A JPS5264781A (en) 1975-11-21 1975-11-21 Escalator

Publications (1)

Publication Number Publication Date
JPS5264781A true JPS5264781A (en) 1977-05-28

Family

ID=15241479

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13927575A Pending JPS5264781A (en) 1975-11-21 1975-11-21 Escalator

Country Status (1)

Country Link
JP (1) JPS5264781A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4499986A (en) * 1981-02-27 1985-02-19 Hitachi, Ltd. Control apparatus for passenger conveyor
US5083653A (en) * 1989-07-21 1992-01-28 Hitachi, Ltd. Control apparatus for passenger conveyer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4499986A (en) * 1981-02-27 1985-02-19 Hitachi, Ltd. Control apparatus for passenger conveyor
US5083653A (en) * 1989-07-21 1992-01-28 Hitachi, Ltd. Control apparatus for passenger conveyer

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