CA640223A - Speed control equipment for electric motors - Google Patents

Speed control equipment for electric motors

Info

Publication number
CA640223A
CA640223A CA640223A CA640223DA CA640223A CA 640223 A CA640223 A CA 640223A CA 640223 A CA640223 A CA 640223A CA 640223D A CA640223D A CA 640223DA CA 640223 A CA640223 A CA 640223A
Authority
CA
Canada
Prior art keywords
speed control
control equipment
electric motors
motors
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
CA640223A
Inventor
H. Clark Thomas
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.)
British Telecommunications PLC
Original Assignee
British Telecommunications PLC
Publication date
Application granted granted Critical
Publication of CA640223A publication Critical patent/CA640223A/en
Expired legal-status Critical Current

Links

CA640223A Speed control equipment for electric motors Expired CA640223A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA640223T

Publications (1)

Publication Number Publication Date
CA640223A true CA640223A (en) 1962-04-24

Family

ID=35918738

Family Applications (1)

Application Number Title Priority Date Filing Date
CA640223A Expired CA640223A (en) Speed control equipment for electric motors

Country Status (1)

Country Link
CA (1) CA640223A (en)

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