FR413763A - Improvement in luminous dials - Google Patents

Improvement in luminous dials

Info

Publication number
FR413763A
FR413763A FR413763DA FR413763A FR 413763 A FR413763 A FR 413763A FR 413763D A FR413763D A FR 413763DA FR 413763 A FR413763 A FR 413763A
Authority
FR
France
Prior art keywords
improvement
dials
luminous
luminous dials
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.)
LIPMANN FRERES SOC
Original Assignee
LIPMANN FRERES SOC
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 LIPMANN FRERES SOC filed Critical LIPMANN FRERES SOC
Application granted granted Critical
Publication of FR413763A publication Critical patent/FR413763A/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
    • G04B19/32—Illumination of dials or hands by luminescent substances

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR413763D 1910-03-01 1910-03-01 Improvement in luminous dials Expired FR413763A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR413763T 1910-03-01

Publications (1)

Publication Number Publication Date
FR413763A true FR413763A (en) 1910-08-18

Family

ID=1457522

Family Applications (1)

Application Number Title Priority Date Filing Date
FR413763D Expired FR413763A (en) 1910-03-01 1910-03-01 Improvement in luminous dials

Country Status (1)

Country Link
FR (1) FR413763A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1843226A1 (en) * 2006-04-07 2007-10-10 Daniel Roth et Gerald Genta Haute Horlogerie SA Device for displaying time indication

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1843226A1 (en) * 2006-04-07 2007-10-10 Daniel Roth et Gerald Genta Haute Horlogerie SA Device for displaying time indication

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