FR679138A - Improvements to electric motor control systems - Google Patents

Improvements to electric motor control systems

Info

Publication number
FR679138A
FR679138A FR679138DA FR679138A FR 679138 A FR679138 A FR 679138A FR 679138D A FR679138D A FR 679138DA FR 679138 A FR679138 A FR 679138A
Authority
FR
France
Prior art keywords
electric motor
motor 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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR679138A publication Critical patent/FR679138A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • B65H23/195—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in winding mechanisms or in connection with winding operations
    • B65H23/198—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in winding mechanisms or in connection with winding operations motor-controlled (Controlling electrical drive motors therefor)
FR679138D 1928-05-16 1929-05-14 Improvements to electric motor control systems Expired FR679138A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US679138XA 1928-05-16 1928-05-16

Publications (1)

Publication Number Publication Date
FR679138A true FR679138A (en) 1930-04-09

Family

ID=22079232

Family Applications (2)

Application Number Title Priority Date Filing Date
FR679138D Expired FR679138A (en) 1928-05-16 1929-05-14 Improvements to electric motor control systems
FR40354D Expired FR40354E (en) 1928-05-16 1931-05-04 Improvements to electric motor control systems

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR40354D Expired FR40354E (en) 1928-05-16 1931-05-04 Improvements to electric motor control systems

Country Status (1)

Country Link
FR (2) FR679138A (en)

Also Published As

Publication number Publication date
FR40354E (en) 1932-06-09

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