FR640206A - Improvements to electrical control devices - Google Patents

Improvements to electrical control devices

Info

Publication number
FR640206A
FR640206A FR640206DA FR640206A FR 640206 A FR640206 A FR 640206A FR 640206D A FR640206D A FR 640206DA FR 640206 A FR640206 A FR 640206A
Authority
FR
France
Prior art keywords
control devices
electrical control
electrical
devices
control
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 FR640206A publication Critical patent/FR640206A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/155—Coordinated control of two or more light sources
FR640206D 1926-08-24 1927-08-23 Improvements to electrical control devices Expired FR640206A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US640206TA 1926-08-24 1926-08-24

Publications (1)

Publication Number Publication Date
FR640206A true FR640206A (en) 1928-07-09

Family

ID=1542667

Family Applications (1)

Application Number Title Priority Date Filing Date
FR640206D Expired FR640206A (en) 1926-08-24 1927-08-23 Improvements to electrical control devices

Country Status (1)

Country Link
FR (1) FR640206A (en)

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