FR568850A - Improvements to control devices for electric lighting circuits - Google Patents

Improvements to control devices for electric lighting circuits

Info

Publication number
FR568850A
FR568850A FR568850DA FR568850A FR 568850 A FR568850 A FR 568850A FR 568850D A FR568850D A FR 568850DA FR 568850 A FR568850 A FR 568850A
Authority
FR
France
Prior art keywords
control devices
electric lighting
lighting circuits
circuits
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 FR568850A publication Critical patent/FR568850A/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
FR568850D 1922-07-27 1923-07-19 Improvements to control devices for electric lighting circuits Expired FR568850A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US568850XA 1922-07-27 1922-07-27

Publications (1)

Publication Number Publication Date
FR568850A true FR568850A (en) 1924-04-02

Family

ID=22007149

Family Applications (1)

Application Number Title Priority Date Filing Date
FR568850D Expired FR568850A (en) 1922-07-27 1923-07-19 Improvements to control devices for electric lighting circuits

Country Status (1)

Country Link
FR (1) FR568850A (en)

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