FR664809A - Improvements to electrical control systems for elevators, lifts and similar devices - Google Patents

Improvements to electrical control systems for elevators, lifts and similar devices

Info

Publication number
FR664809A
FR664809A FR664809DA FR664809A FR 664809 A FR664809 A FR 664809A FR 664809D A FR664809D A FR 664809DA FR 664809 A FR664809 A FR 664809A
Authority
FR
France
Prior art keywords
elevators
lifts
control systems
electrical control
similar devices
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 FR664809A publication Critical patent/FR664809A/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
    • B66B1/02—Control systems without regulation, i.e. without retroactive action
    • B66B1/06—Control systems without regulation, i.e. without retroactive action electric

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
FR664809D 1927-11-30 1928-11-28 Improvements to electrical control systems for elevators, lifts and similar devices Expired FR664809A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US664809XA 1927-11-30 1927-11-30

Publications (1)

Publication Number Publication Date
FR664809A true FR664809A (en) 1929-09-09

Family

ID=22069763

Family Applications (1)

Application Number Title Priority Date Filing Date
FR664809D Expired FR664809A (en) 1927-11-30 1928-11-28 Improvements to electrical control systems for elevators, lifts and similar devices

Country Status (1)

Country Link
FR (1) FR664809A (en)

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