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EP0199944A3 - Lighting device for a travel clock comprising an integral light guide - Google Patents

Lighting device for a travel clock comprising an integral light guide Download PDF

Info

Publication number
EP0199944A3
EP0199944A3 EP86103386A EP86103386A EP0199944A3 EP 0199944 A3 EP0199944 A3 EP 0199944A3 EP 86103386 A EP86103386 A EP 86103386A EP 86103386 A EP86103386 A EP 86103386A EP 0199944 A3 EP0199944 A3 EP 0199944A3
Authority
EP
European Patent Office
Prior art keywords
light guide
lighting device
travel clock
integral light
clock
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.)
Withdrawn
Application number
EP86103386A
Other languages
German (de)
French (fr)
Other versions
EP0199944A2 (en
Inventor
Walter Dr. Hägele
Günter Neugebauer
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.)
Braun GmbH
Original Assignee
Braun GmbH
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
Priority claimed from DE19853511839 external-priority patent/DE3511839A1/en
Priority claimed from DE19853511838 external-priority patent/DE3511838C2/en
Application filed by Braun GmbH filed Critical Braun GmbH
Publication of EP0199944A2 publication Critical patent/EP0199944A2/en
Publication of EP0199944A3 publication Critical patent/EP0199944A3/en
Withdrawn legal-status Critical Current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)
  • Planar Illumination Modules (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

Beleuchtungseinrichtung für eine Reiseuhr (106) mit einem Schal­ ter (107), einer Lichtquelle (9) und einem Lichtleiter (1), der das Zifferblatt (103) beleuchtet. Der Lichtleiter weist eine zusätz­ liche Lichtaustrittsfläche auf, die an einer Gehäusewand (104) der Reiseuhr (100) als Taschenlampe ausgebildet ist. Lighting device for a travel clock (106) with a scarf ter (107), a light source (9) and a light guide (1), the Illuminated dial (103). The light guide has an additional Liche light exit surface on a housing wall (104) of the Travel clock (100) is designed as a flashlight.

EP86103386A 1985-03-30 1986-03-13 Lighting device for a travel clock comprising an integral light guide Withdrawn EP0199944A3 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19853511839 DE3511839A1 (en) 1985-03-30 1985-03-30 Light guide for illuminating instrument displays
DE19853511838 DE3511838C2 (en) 1985-03-30 1985-03-30 Watch with flashlight
DE3511838 1985-03-30
DE3511839 1985-03-30

Publications (2)

Publication Number Publication Date
EP0199944A2 EP0199944A2 (en) 1986-11-05
EP0199944A3 true EP0199944A3 (en) 1988-07-27

Family

ID=25830959

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86103386A Withdrawn EP0199944A3 (en) 1985-03-30 1986-03-13 Lighting device for a travel clock comprising an integral light guide

Country Status (1)

Country Link
EP (1) EP0199944A3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5548565A (en) * 1994-09-27 1996-08-20 Mansei Kogyo Kabushiki Kaisha Timepiece device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR611579A (en) * 1926-02-22 1926-10-01 Watch with flashlight
GB812487A (en) * 1956-04-30 1959-04-29 Albert Buchter Improvements in and relating to wrist-watches
US4250575A (en) * 1979-07-11 1981-02-10 Timex Corporation Illuminator for analog timepiece dial
DE3326972A1 (en) * 1983-07-27 1985-02-07 Robert Bosch Gmbh, 7000 Stuttgart Data display device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR611579A (en) * 1926-02-22 1926-10-01 Watch with flashlight
GB812487A (en) * 1956-04-30 1959-04-29 Albert Buchter Improvements in and relating to wrist-watches
US4250575A (en) * 1979-07-11 1981-02-10 Timex Corporation Illuminator for analog timepiece dial
DE3326972A1 (en) * 1983-07-27 1985-02-07 Robert Bosch Gmbh, 7000 Stuttgart Data display device

Also Published As

Publication number Publication date
EP0199944A2 (en) 1986-11-05

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Inventor name: HAEGELE, WALTER, DR.

Inventor name: NEUGEBAUER, GUENTER