FR663409A - Device for automatic ignition of electric lighting devices - Google Patents

Device for automatic ignition of electric lighting devices

Info

Publication number
FR663409A
FR663409A FR663409DA FR663409A FR 663409 A FR663409 A FR 663409A FR 663409D A FR663409D A FR 663409DA FR 663409 A FR663409 A FR 663409A
Authority
FR
France
Prior art keywords
lighting devices
electric lighting
automatic ignition
ignition
automatic
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)
Inventor
Marie-Roger De Chaudun
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 filed Critical
Application granted granted Critical
Publication of FR663409A publication Critical patent/FR663409A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C23/00—Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals
    • G04C23/14—Mechanisms continuously running to relate the operation(s) to the time of day
    • G04C23/16—Mechanisms continuously running to relate the operation(s) to the time of day acting only at one preselected time or during one adjustable time interval

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR663409D 1928-11-03 1928-11-03 Device for automatic ignition of electric lighting devices Expired FR663409A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR663409T 1928-11-03

Publications (1)

Publication Number Publication Date
FR663409A true FR663409A (en) 1929-08-21

Family

ID=9012036

Family Applications (1)

Application Number Title Priority Date Filing Date
FR663409D Expired FR663409A (en) 1928-11-03 1928-11-03 Device for automatic ignition of electric lighting devices

Country Status (1)

Country Link
FR (1) FR663409A (en)

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