FR674946A - Improvements to induction relays - Google Patents

Improvements to induction relays

Info

Publication number
FR674946A
FR674946A FR674946DA FR674946A FR 674946 A FR674946 A FR 674946A FR 674946D A FR674946D A FR 674946DA FR 674946 A FR674946 A FR 674946A
Authority
FR
France
Prior art keywords
induction relays
relays
induction
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.)
Expired
Application number
Other languages
French (fr)
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.)
CBS Corp
Original Assignee
Westinghouse Electric and Manufacturing Co
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 Westinghouse Electric and Manufacturing Co filed Critical Westinghouse Electric and Manufacturing Co
Application granted granted Critical
Publication of FR674946A publication Critical patent/FR674946A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/46—Adaptations of switches or switchgear
    • B66B1/50—Adaptations of switches or switchgear with operating or control mechanisms mounted in the car or cage or in the lift well or hoistway
FR674946D 1928-05-22 1929-05-11 Improvements to induction relays Expired FR674946A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US674946XA 1928-05-22 1928-05-22

Publications (1)

Publication Number Publication Date
FR674946A true FR674946A (en) 1930-02-04

Family

ID=22076352

Family Applications (1)

Application Number Title Priority Date Filing Date
FR674946D Expired FR674946A (en) 1928-05-22 1929-05-11 Improvements to induction relays

Country Status (1)

Country Link
FR (1) FR674946A (en)

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