FR746885A - Electric control systems for elevators - Google Patents

Electric control systems for elevators

Info

Publication number
FR746885A
FR746885A FR746885DA FR746885A FR 746885 A FR746885 A FR 746885A FR 746885D A FR746885D A FR 746885DA FR 746885 A FR746885 A FR 746885A
Authority
FR
France
Prior art keywords
elevators
electric control
control systems
systems
electric
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 FR746885A publication Critical patent/FR746885A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02—Door or gate operation
    • B66B13/14—Control systems or devices
    • B66B13/143—Control systems or devices electrical

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
FR746885D 1931-12-15 1932-12-03 Electric control systems for elevators Expired FR746885A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US746885XA 1931-12-15 1931-12-15

Publications (1)

Publication Number Publication Date
FR746885A true FR746885A (en) 1933-06-07

Family

ID=22121053

Family Applications (1)

Application Number Title Priority Date Filing Date
FR746885D Expired FR746885A (en) 1931-12-15 1932-12-03 Electric control systems for elevators

Country Status (1)

Country Link
FR (1) FR746885A (en)

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