EP1094373A1 - Elektrolumineszente Vorrichtung zur Beleuchtung eines Ziffernblattes - Google Patents

Elektrolumineszente Vorrichtung zur Beleuchtung eines Ziffernblattes Download PDF

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Publication number
EP1094373A1
EP1094373A1 EP99120680A EP99120680A EP1094373A1 EP 1094373 A1 EP1094373 A1 EP 1094373A1 EP 99120680 A EP99120680 A EP 99120680A EP 99120680 A EP99120680 A EP 99120680A EP 1094373 A1 EP1094373 A1 EP 1094373A1
Authority
EP
European Patent Office
Prior art keywords
ring
electroluminescent
dial
lighting device
annular clearance
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.)
Granted
Application number
EP99120680A
Other languages
English (en)
French (fr)
Other versions
EP1094373B1 (de
Inventor
Laurent Kaelin
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.)
ETA SA Manufacture Horlogere Suisse
Original Assignee
Ebauchesfabrik ETA AG
Eta SA Fabriques dEbauches
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 Ebauchesfabrik ETA AG, Eta SA Fabriques dEbauches filed Critical Ebauchesfabrik ETA AG
Priority to EP99120680A priority Critical patent/EP1094373B1/de
Priority to DE69940368T priority patent/DE69940368D1/de
Priority to AT99120680T priority patent/ATE422067T1/de
Publication of EP1094373A1 publication Critical patent/EP1094373A1/de
Application granted granted Critical
Publication of EP1094373B1 publication Critical patent/EP1094373B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

Definitions

  • the present invention relates to an electroluminescent device lighting of a dial, and more particularly of the circular dial of a small device with autonomous energy source, such as a room to allow the hourly hour markers located at the suburbs.
  • electroluminescent sheets to illuminate a dial at night.
  • an electroluminescent sheet is cut to the dimensions of the dial of a wristwatch, pierced with a hole in its center for the passage of the axis of the needles, provided with indices timetables by printing or screen printing on the side facing the observer and connected, by flexible connectors welded to each electrode of the sheet electroluminescent, to an electronic circuit intended to deliver a voltage appropriate pulse.
  • the object of the invention is to overcome the drawbacks of the prior art aforementioned by providing a lighting device by means of a lamp strip-shaped light emitting light that is easy to set up and connect to the excitation circuit.
  • the invention relates to a peripheral lighting device of the scale of the dial of a small device comprising a case in which a movement involving at least one needle is housed next to the scale, an energy source and an electronic circuit capable deliver a pulsed voltage, said housing being closed by a crystal extended on the dial side by an annular extension forming an elevation, characterized in that a circular clearance is provided inside the base of the flange to receive on the one hand an electroluminescent ring formed a band having a strip extending beyond the base and a tab connection, on the other hand a ring made of a translucent plastic material strength in the annular clearance to maintain the ring electroluminescent at the bottom of it.
  • a watch chronograph which conventionally includes a casing formed by a case 1, comprising a base 2 and a middle part 3 in one piece, closed at its upper part by a glass 4.
  • the bottom includes a hatch 5 for replacing the source of energy 6 constituted by a button cell.
  • the middle has a crown 7 and two push buttons 8, 9 conventionally used for setting the time and operating the chronograph, as well as a third pusher 10 enabling the illumination device for night time reading. It is quite obvious that for a watch without chronograph function it would be enough to have a crown and a single push button, or even just a push crown knowing that there are mechanisms to accomplish both functions by means of a single control member.
  • the chronograph movement is a movement electronics powered by button cell.
  • the housing 1 also contains an electronic circuit 15 connected at the same time to the energy source 6 and to flanges 33, 34 which will make it possible to establish a contact with an electroluminescent ring 20 by simple assembly.
  • the glass 4 which is curved presents in its part turned towards the dial an extension annular forming a flange 17.
  • the flange 17 comprises at its base 18 a small annular shoulder 16 and annular clearance 19 substantially rectangular and open towards the inside of the case 1.
  • the annular clearance 19 comprises against its wall 19a, and on all around, an electroluminescent ring 20 and a ring 30.
  • the ring 20 is obtained by cutting from an electroluminescent sheet, such as those available on the market from the company Lumitec (Gais-Suisse), a strip having a length approximately the clearance 19, measured at its wall 19a. The width of this strip should be slightly higher than the clearance height 19 to form a small strip 21 whose function will be explained more far.
  • a tab 22 is provided at any point in the ring 20, perpendicular to the strip to allow connection.
  • this tab 22 is arranged at 1/4 of the length, so as to be able to establish the electrical connection at the 9 o'clock position, where it there is neither crown nor push button, and to have the junction of the two ends of the strip at the 6 o'clock position, which is the least visible in the case a wristwatch.
  • This tab 22, shown in more detail in FIG. 5, comprises two contact zones 23, 24 formed by the conductive tracks of the sheet electroluminescent. These contact zones 23, 24 are produced during the manufacturing an electroluminescent sheet, comprising a plurality of impressions having the developed form of the ring 20, by removing at level of the legs 22 of the structuring steps.
  • the ring 20 After having put in place the ring 20 having previously turned it over glass 4, operation represented by arrow 1 in FIG. 6, it is blocked by means of the ring 30 in translucent plastic material, operation represented by arrow 2.
  • the ring 30 initially has an oval preform, and in the example shown a section rectangular. With particular reference to Figures 3 and 4, we see that the thickness of the ring 30 is such that it is flush with the junction angle with ice 4 and its height is slightly less than the depth of the annular recess 19.
  • the glass can be manipulated and returned to adjust it on the housing 1, operation shown by arrow 3 in Figure 6.
  • a circular passage 27 is provided in which will engage the small annular shoulder 16 of the ice, the strip 21 of the ring 20, as well as the connection lug 22 whose zones of contact 23, 24 will engage between contact flanges 33, 34 connected to the electronic circuit 15 designed to deliver a pulsed voltage when exercising pressing button 10.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Details Of Measuring Devices (AREA)
  • Endoscopes (AREA)
  • Eye Examination Apparatus (AREA)
EP99120680A 1999-10-19 1999-10-19 Elektrolumineszente Vorrichtung zur Beleuchtung eines Ziffernblattes Expired - Lifetime EP1094373B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP99120680A EP1094373B1 (de) 1999-10-19 1999-10-19 Elektrolumineszente Vorrichtung zur Beleuchtung eines Ziffernblattes
DE69940368T DE69940368D1 (de) 1999-10-19 1999-10-19 Elektrolumineszente Vorrichtung zur Beleuchtung eines Ziffernblattes
AT99120680T ATE422067T1 (de) 1999-10-19 1999-10-19 Elektrolumineszente vorrichtung zur beleuchtung eines ziffernblattes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99120680A EP1094373B1 (de) 1999-10-19 1999-10-19 Elektrolumineszente Vorrichtung zur Beleuchtung eines Ziffernblattes

Publications (2)

Publication Number Publication Date
EP1094373A1 true EP1094373A1 (de) 2001-04-25
EP1094373B1 EP1094373B1 (de) 2009-01-28

Family

ID=8239227

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99120680A Expired - Lifetime EP1094373B1 (de) 1999-10-19 1999-10-19 Elektrolumineszente Vorrichtung zur Beleuchtung eines Ziffernblattes

Country Status (3)

Country Link
EP (1) EP1094373B1 (de)
AT (1) ATE422067T1 (de)
DE (1) DE69940368D1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009060380A3 (en) * 2007-11-06 2009-07-02 Massimo Franzosi Analog watch, in particular wristwatch, with automatic electroluminescent lighting of the dial

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015204381B4 (de) * 2015-03-11 2016-11-03 Volkswagen Aktiengesellschaft Zeigerinstrument für ein Kraftfahrzeug

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4250575A (en) * 1979-07-11 1981-02-10 Timex Corporation Illuminator for analog timepiece dial
US4705407A (en) 1986-11-14 1987-11-10 Andre Brien Portable time piece with light diffuser
US4775964A (en) 1988-01-11 1988-10-04 Timex Corporation Electroluminescent dial for an analog watch and process for making it
US4908739A (en) 1988-09-29 1990-03-13 Andre Brien Light diffusing ring for wristwatch
JPH02177290A (ja) 1988-12-28 1990-07-10 Seikosha Co Ltd エレクトロルミネセンス文字板
DE4023693A1 (de) 1989-09-20 1991-03-28 Helmut Moser Anzeigeeinrichtung mit elektrolumineszierender beleuchtung
JPH05182761A (ja) 1991-12-26 1993-07-23 Seikosha Co Ltd Ｅｌ素子とこのｅｌ素子を用いた時計
US5265071A (en) 1993-02-02 1993-11-23 Timex Corporation Electroluminescent watch dial support and connector assembly
EP0860755A1 (de) 1997-02-20 1998-08-26 Asulab S.A. Vorrichtung zur gleichmässigen Beleuchtung des Zifferblattes einer Anzeigeeinrichtung

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4250575A (en) * 1979-07-11 1981-02-10 Timex Corporation Illuminator for analog timepiece dial
US4705407A (en) 1986-11-14 1987-11-10 Andre Brien Portable time piece with light diffuser
US4775964A (en) 1988-01-11 1988-10-04 Timex Corporation Electroluminescent dial for an analog watch and process for making it
US4908739A (en) 1988-09-29 1990-03-13 Andre Brien Light diffusing ring for wristwatch
JPH02177290A (ja) 1988-12-28 1990-07-10 Seikosha Co Ltd エレクトロルミネセンス文字板
DE4023693A1 (de) 1989-09-20 1991-03-28 Helmut Moser Anzeigeeinrichtung mit elektrolumineszierender beleuchtung
JPH05182761A (ja) 1991-12-26 1993-07-23 Seikosha Co Ltd Ｅｌ素子とこのｅｌ素子を用いた時計
US5265071A (en) 1993-02-02 1993-11-23 Timex Corporation Electroluminescent watch dial support and connector assembly
EP0860755A1 (de) 1997-02-20 1998-08-26 Asulab S.A. Vorrichtung zur gleichmässigen Beleuchtung des Zifferblattes einer Anzeigeeinrichtung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009060380A3 (en) * 2007-11-06 2009-07-02 Massimo Franzosi Analog watch, in particular wristwatch, with automatic electroluminescent lighting of the dial

Also Published As

Publication number Publication date
ATE422067T1 (de) 2009-02-15
EP1094373B1 (de) 2009-01-28
DE69940368D1 (de) 2009-03-19

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