FR650751A - Cadran, spé?ialement pour horloges, avec séries multiples de chiffres - Google Patents

Cadran, spé?ialement pour horloges, avec séries multiples de chiffres

Info

Publication number
FR650751A
FR650751A FR650751DA FR650751A FR 650751 A FR650751 A FR 650751A FR 650751D A FR650751D A FR 650751DA FR 650751 A FR650751 A FR 650751A
Authority
FR
France
Prior art keywords
clocks
dial
numbers
multiple series
series
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
English (en)
Inventor
Ewald Schwanke
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 FR650751A publication Critical patent/FR650751A/fr
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
    • G04B19/305—Illumination of dials or hands the hands carrying the light source
    • 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
    • G04B19/06—Dials
    • G04B19/16—Shiftable dials, e.g. indicating alternately from 1 to 12 and from 13 to 24
    • G04B19/163—Shiftable dials, e.g. indicating alternately from 1 to 12 and from 13 to 24 numbers which are visible alternately from 1 to 12 and from 13 to 24 on the same dial G04B19/085
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C17/00—Indicating the time optically by electric means
    • G04C17/02—Indicating the time optically by electric means by electric lamps
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/02—Visual time or date indication means by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques
    • G04G9/04—Visual time or date indication means by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques by controlling light sources, e.g. electroluminescent diodes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR650751D 1927-03-25 1928-03-12 Cadran, spé?ialement pour horloges, avec séries multiples de chiffres Expired FR650751A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE650751X 1927-03-25

Publications (1)

Publication Number Publication Date
FR650751A true FR650751A (fr) 1929-02-11

Family

ID=6581468

Family Applications (1)

Application Number Title Priority Date Filing Date
FR650751D Expired FR650751A (fr) 1927-03-25 1928-03-12 Cadran, spé?ialement pour horloges, avec séries multiples de chiffres

Country Status (1)

Country Link
FR (1) FR650751A (fr)

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