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FR880358A - Lighting device for indicating or measuring instruments with opaque dials - Google Patents

Lighting device for indicating or measuring instruments with opaque dials

Info

Publication number
FR880358A
FR880358A FR880358DA FR880358A FR 880358 A FR880358 A FR 880358A FR 880358D A FR880358D A FR 880358DA FR 880358 A FR880358 A FR 880358A
Authority
FR
France
Prior art keywords
dials
opaque
indicating
lighting device
measuring instruments
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.)
Askania Werke AG
Original Assignee
Askania Werke AG
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 Askania Werke AG filed Critical Askania Werke AG
Application granted granted Critical
Publication of FR880358A publication Critical patent/FR880358A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/30—Illumination of dials or hands

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR880358D 1941-04-12 1942-03-20 Lighting device for indicating or measuring instruments with opaque dials Expired FR880358A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE880358X 1941-04-12

Publications (1)

Publication Number Publication Date
FR880358A true FR880358A (en) 1943-03-24

Family

ID=6821933

Family Applications (1)

Application Number Title Priority Date Filing Date
FR880358D Expired FR880358A (en) 1941-04-12 1942-03-20 Lighting device for indicating or measuring instruments with opaque dials

Country Status (1)

Country Link
FR (1) FR880358A (en)

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