CH610709GA3 - - Google Patents

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Publication number
CH610709GA3
CH610709GA3 CH270976A CH270976A CH610709GA3 CH 610709G A3 CH610709G A3 CH 610709GA3 CH 270976 A CH270976 A CH 270976A CH 270976 A CH270976 A CH 270976A CH 610709G A3 CH610709G A3 CH 610709GA3
Authority
CH
Switzerland
Prior art keywords
light emitting
viewing window
window region
over
color
Prior art date
Application number
CH270976A
Other versions
CH610709B (en
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
Publication of CH610709B publication Critical patent/CH610709B/en
Application filed filed Critical
Publication of CH610709GA3 publication Critical patent/CH610709GA3/xx

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
    • G04B45/00—Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
    • G04B45/0076—Decoration of the case and of parts thereof, e.g. as a method of manufacture thereof
    • 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
    • G04B39/00—Watch crystals; Fastening or sealing of crystals; Clock glasses
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/08—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques
    • G04G9/10—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques by controlling light sources, e.g. electroluminescent diodes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

In electronic wristwatches employing an array of light emitting diodes (LED) as digital display, an ornamental coating is provided over the rear surface of a front glass sheet except the viewing window region thereof through the use of painting, printing, etc., while a color filter corresponding to the color of the light emitting display is provided at least over the viewing window region. With such an arrangement, the visibility is enhanced with a simplified construction.
CH270976A 1975-03-04 1976-03-04 VIEWING WINDOWS FOR ELECTRONIC WATCHES WITH A DISPLAY BY MEANS OF LIGHT Emitting Diodes CH610709B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1975029717U JPS51110564U (en) 1975-03-04 1975-03-04

Publications (2)

Publication Number Publication Date
CH610709B CH610709B (en)
CH610709GA3 true CH610709GA3 (en) 1979-05-15

Family

ID=12283851

Family Applications (1)

Application Number Title Priority Date Filing Date
CH270976A CH610709B (en) 1975-03-04 1976-03-04 VIEWING WINDOWS FOR ELECTRONIC WATCHES WITH A DISPLAY BY MEANS OF LIGHT Emitting Diodes

Country Status (3)

Country Link
US (1) US4086754A (en)
JP (1) JPS51110564U (en)
CH (1) CH610709B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4157007A (en) * 1976-12-22 1979-06-05 National Semiconductor Corporation Asymmetric digital watch module
CH644240B (en) 1981-12-02 Rado Montres Sa WATCH PART.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2815640A (en) * 1955-10-20 1957-12-10 Kirshner Jack Watch construction

Also Published As

Publication number Publication date
JPS51110564U (en) 1976-09-07
CH610709B (en)
US4086754A (en) 1978-05-02

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