JPS5241337A - Telephone system for elevators - Google Patents

Telephone system for elevators

Info

Publication number
JPS5241337A
JPS5241337A JP11646775A JP11646775A JPS5241337A JP S5241337 A JPS5241337 A JP S5241337A JP 11646775 A JP11646775 A JP 11646775A JP 11646775 A JP11646775 A JP 11646775A JP S5241337 A JPS5241337 A JP S5241337A
Authority
JP
Japan
Prior art keywords
elevators
telephone system
telephone
caretake
cage
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
JP11646775A
Other languages
Japanese (ja)
Inventor
Takeo Yuminaka
Hatsuya Nakamura
Mitsuharu Aoki
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 JP11646775A priority Critical patent/JPS5241337A/en
Publication of JPS5241337A publication Critical patent/JPS5241337A/en
Pending legal-status Critical Current

Links

Landscapes

  • Indicating And Signalling Devices For Elevators (AREA)

Abstract

PURPOSE: To provide a telephone system for elevators, in which direct communication between the inside of the cage and an external telephone can be established only when any caretake is not present.
COPYRIGHT: (C)1977,JPO&Japio
JP11646775A 1975-09-29 1975-09-29 Telephone system for elevators Pending JPS5241337A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11646775A JPS5241337A (en) 1975-09-29 1975-09-29 Telephone system for elevators

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11646775A JPS5241337A (en) 1975-09-29 1975-09-29 Telephone system for elevators

Publications (1)

Publication Number Publication Date
JPS5241337A true JPS5241337A (en) 1977-03-30

Family

ID=14687816

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11646775A Pending JPS5241337A (en) 1975-09-29 1975-09-29 Telephone system for elevators

Country Status (1)

Country Link
JP (1) JPS5241337A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60159772U (en) * 1984-03-30 1985-10-24 永野　英雄 Improvement of the connection circuit of the emergency telephone in the movable elevator car

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60159772U (en) * 1984-03-30 1985-10-24 永野　英雄 Improvement of the connection circuit of the emergency telephone in the movable elevator car

Similar Documents

Publication Publication Date Title
JPS5380916A (en) Terminal unit
JPS5241337A (en) Telephone system for elevators
JPS51128543A (en) Cable for photo communication
JPS5259481A (en) Capsule transport system by use of buoyancy
JPS5231444A (en) Device for contrlling elevator
JPS5247249A (en) Control system for elevator
JPS5247305A (en) Extension calling systemof button telephone system
JPS5220545A (en) Elevator cage
JPS51129059A (en) Elevator waiting time display device
JPS51129634A (en) Connector-misinsertion preventing circuit for circuit connecting unit using many connectors of the same type
JPS5281847A (en) Hydraulic elevator
JPS51122927A (en) Door closer
JPS521704A (en) Water lift pump
JPS5266249A (en) System for controlling elevator
JPS5261038A (en) Observation elevator
JPS52106554A (en) Elevator waiting time indicating system
JPS52149771A (en) Coil reversing device
JPS5213117A (en) Equipment to lift tank
JPS51127393A (en) Connecting structure of coaxial cable
JPS5313747A (en) Device for calculating waiting time of elevator
JPS5220284A (en) Vabration-proof and fire-proof communication cable
JPS5211556A (en) Elevator control system
JPS5212581A (en) Handling device
JPS5210046A (en) Transfer system of telephone charge information
JPS527615A (en) Mudulation indicator circuit