FR950469A - Electronic control circuit especially for welding machines - Google Patents

Electronic control circuit especially for welding machines

Info

Publication number
FR950469A
FR950469A FR950469DA FR950469A FR 950469 A FR950469 A FR 950469A FR 950469D A FR950469D A FR 950469DA FR 950469 A FR950469 A FR 950469A
Authority
FR
France
Prior art keywords
control circuit
electronic control
welding machines
circuit especially
machines
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 Corp
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 Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of FR950469A publication Critical patent/FR950469A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05FSYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10Regulating voltage or current
    • G05F1/12Regulating voltage or current wherein the variable actually regulated by the final control device is ac
    • G05F1/40Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices
    • G05F1/42Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices discharge tubes only
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00Resistance welding; Severing by resistance heating
    • B23K11/24Electric supply or control circuits therefor
    • B23K11/248Electric supplies using discharge tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
FR950469D 1945-10-31 1947-07-29 Electronic control circuit especially for welding machines Expired FR950469A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US950469XA 1945-10-31 1945-10-31

Publications (1)

Publication Number Publication Date
FR950469A true FR950469A (en) 1949-09-28

Family

ID=22248977

Family Applications (1)

Application Number Title Priority Date Filing Date
FR950469D Expired FR950469A (en) 1945-10-31 1947-07-29 Electronic control circuit especially for welding machines

Country Status (1)

Country Link
FR (1) FR950469A (en)

Similar Documents

Publication Publication Date Title
CH270295A (en) Electronic calculating machine.
FR1030554A (en) Electronic switch
CH251096A (en) Press device on sewing machines.
FR950469A (en) Electronic control circuit especially for welding machines
FR938281A (en) Sewing machine
ES182180A1 (en) AN ELECTRONIC SWITCHING SYSTEM
FR923802A (en) Auxiliary device for milling machines
FR941720A (en) Punch for accounting cards
FR935057A (en) Advanced pattern mechanism for knitting machine
FR926214A (en) Sewing machine control
FR922245A (en) Soldering iron
FR922562A (en) Control device for welding machines
FR925809A (en) Control system for electrical circuits
FR988423A (en) Control circuit
FR1057119A (en) Control circuit for welding machines
FR917725A (en) Safety device for electric irons
FR950958A (en) Electronic control
FR916515A (en) Machine for secreting rabbit skins
FR919346A (en) Advanced planning board
FR950360A (en) Control circuit
FR1035728A (en) Electronic control systems for welding machines
CH251357A (en) Sewing machine.
FR994906A (en) Drive for register cards
FR952107A (en) Electronic change-over switches, in particular for direction finders
FR1027570A (en) Electronic cavity welding machine