EP0082509B1 - Zeigeranordnung für eine mittels Durchlicht beleuchtbare Zeitanzeigevorrichtung - Google Patents

Zeigeranordnung für eine mittels Durchlicht beleuchtbare Zeitanzeigevorrichtung Download PDF

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Publication number
EP0082509B1
EP0082509B1 EP82111757A EP82111757A EP0082509B1 EP 0082509 B1 EP0082509 B1 EP 0082509B1 EP 82111757 A EP82111757 A EP 82111757A EP 82111757 A EP82111757 A EP 82111757A EP 0082509 B1 EP0082509 B1 EP 0082509B1
Authority
EP
European Patent Office
Prior art keywords
arrangement
disk
hand
light
minute hand
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
EP82111757A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0082509A1 (de
Inventor
Roland Siefert
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.)
Digital Kienzle Computersysteme GmbH and Co KG
Original Assignee
Mannesmann Kienzle 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
Application filed by Mannesmann Kienzle GmbH filed Critical Mannesmann Kienzle GmbH
Publication of EP0082509A1 publication Critical patent/EP0082509A1/de
Application granted granted Critical
Publication of EP0082509B1 publication Critical patent/EP0082509B1/de
Expired 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 invention relates to a pointer arrangement for a time display device which can be illuminated by transmitted light, with at least two differently long, centrally arranged hands and a time scale, with two disks of different diameters made of translucent material, of which the smaller disk of the hour wave and the larger disk of the minute wave of a time drive is assigned and with an hour hand hidden on the smaller pane by means of an opaque mask.
  • DE-U 1 944 977 also discloses a pointer arrangement for a time display device equipped with two centrally arranged pointers, which provides that both the hour and minute hands are made of translucent material and that the one used to illuminate the two hands Light is taken from the likewise light-conducting pointer hubs, deflected at a suitable reflection surface and directed into the pointer flags.
  • a fixed scale ring is arranged centrally to the hour disc, the scale marks representing rod-shaped elements which are also made of translucent material.
  • An arrow formed from translucent material serves as the minute hand, which is embedded in an opaque ring fastened in a suitable manner on the minute shaft of the time drive, the outside diameter of which is larger than the outside diameter of the dial ring.
  • the object of the present invention was therefore to create a scattered light and halo-free pointer arrangement for a time display device which can be illuminated by transmitted light and which, with uniform and high-contrast illumination of the hands, does justice to the design conditions mentioned and corresponds to the usual appearance of clock hands.
  • the solution to this problem is characterized by a made of translucent material, with respect to the hour hand longer minute hand and in that the minute hand is connected to the larger disc in such a way that it overlaps the smaller disc in the radial direction.
  • two coaxially mounted hollow shafts 1 and 2 each have disks 3 and 4 of different diameters.
  • One disk 4 encompasses the other disk 3, which is smaller in diameter, with an annular projection 5 formed on the disk 4 such that a surface 6 of the smaller disk 3 facing the viewer and an annular surface 7 of the larger disk 4 lie in one plane .
  • the surface 8 of a film 9 serving as a scale carrier made of a translucent, in particular light-scattering material.
  • the film 9, from which the tick marks 10 of a time scale 11 are masked out by suitable covering with non-translucent, for example black paint - a colored tint of the tick marks 10 or an improvement in the contrast can be achieved by interposing colored layers, the latter using a white colored layer -
  • a plate-shaped light guide body 12 is assigned as a base.
  • the task of which is that of one or more light sources (lamp 13) which, in order to achieve optimum light flow in the light guide body 12, in the in FIG.
  • the smaller hand of a time display device is usually the hour hand.
  • this - 16 - is hidden, for example, by covering the surface 6 of the pane 3 by means of an opaque color layer on the smaller pane 3.
  • the minute hand 17 is physically formed and made of a light-conducting material.
  • On the larger disk 4 there is a slot, not designated in any more detail, in which a prismatic foot 18, which is formed on the minute hand and serves to receive the light, engages.
  • a pin 19 formed on the base 18 is used to fasten the minute hand 17 to the disc 4, the outwardly facing, annular surface 7 of which is covered in the same way as the surface 6 so that it is opaque.
  • the minute hand 17 which, as shown in FIG.
  • a pointer eye 21 covering the end face of the hollow shaft 1 is formed, the color of which preferably corresponds to that of the surfaces 6 and 7.
  • a light coat of paint can be applied to its lower surfaces 22 and 23.
  • a suitable light filter which would have to be switched on between the light guide 12 and the disk 4, can also be used for the color design of the pointers 16 and 17
  • FIG. 2 shows that the disks 3 and 4 are formed directly as flanges on the hollow shafts 1 and 2 or on corresponding shaft ends.
  • the disks 3 and 4 are made less thick and are arranged within a depression 24 provided in the light guide body 12 in such a way that the surfaces 6, 7 and 8 are in one plane.
  • the light is taken over and the two discs 3 and 4 and the minute hand 17 are essentially illuminated on the flange surface 25 of the disc 4.
  • An edge 26 formed on the disc 4, which engages behind the scale carrier (film 9), is avoided that light exits at the gap 27 located between the scale carrier and the annular extension 5 of the disk 4.
  • a corresponding, shining ring is in the embodiment shown in FIG. 1 accepted.
  • a second hand 29, not necessarily shining or illuminated is attached to a shaft 28, on which in a conventional manner a Pointer eye 30 is formed.
  • the minute hand 17 engages under the pointer eye 30 with its inner pointer end, so that the latter is covered and the minute hand 17 appears to start from the center of the time display device.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Details Of Measuring Devices (AREA)
EP82111757A 1981-12-23 1982-12-17 Zeigeranordnung für eine mittels Durchlicht beleuchtbare Zeitanzeigevorrichtung Expired EP0082509B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3150943 1981-12-23
DE19813150943 DE3150943A1 (de) 1981-12-23 1981-12-23 Zeigeranordnung fuer eine mittels durchlicht beleuchtbare zeitanzeigevorrichtung

Publications (2)

Publication Number Publication Date
EP0082509A1 EP0082509A1 (de) 1983-06-29
EP0082509B1 true EP0082509B1 (de) 1986-07-02

Family

ID=6149471

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82111757A Expired EP0082509B1 (de) 1981-12-23 1982-12-17 Zeigeranordnung für eine mittels Durchlicht beleuchtbare Zeitanzeigevorrichtung

Country Status (4)

Country Link
EP (1) EP0082509B1 (is)
JP (1) JPS5931075U (is)
DE (2) DE3150943A1 (is)
MX (1) MX157851A (is)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2572553B1 (fr) * 1984-10-31 1987-04-30 Dupont S T Montres ou similaires equipees d'un dispositif d'affichage du type dateur
DE3515521A1 (de) * 1985-04-30 1986-10-30 Paul Lynch Zeituhr
DE3824573C1 (en) * 1988-07-19 1990-01-18 Heinz Guenter 8000 Muenchen De Kirchhoff Device for displaying the time
DE4318554A1 (de) * 1993-06-04 1994-12-08 Daimler Benz Ag Mehrfachzeiger-Anzeigeinstrument für wenigstens zwei Anzeigefunktionen
DE4434443C2 (de) * 1994-09-27 2001-09-13 Daimler Chrysler Ag Optisches Mehrfachanzeigeinstrument, insbesondere für eine Instrumententafel eines Fahrzeugs
DE4443064A1 (de) * 1994-12-03 1996-06-05 Bosch Gmbh Robert Anzeigevorrichtung
DE19828041A1 (de) * 1998-06-24 2000-01-05 Mannesmann Vdo Ag Zeigerinstrument
DE10063875A1 (de) 2000-12-21 2002-07-04 Siemens Ag Anzeigeinstrument

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2009209A (en) * 1932-03-10 1935-07-23 Francis H Scantlebury Illuminated measuring device
CH234617A (de) * 1942-03-05 1944-10-15 Alexander Dr Ringleb Oskar Uhr.
US2696550A (en) * 1951-11-26 1954-12-07 Edwin A Neugass Instrument lighting
US3490226A (en) * 1967-11-20 1970-01-20 Gen Time Corp Clock face assembly having illuminated indicating elements

Also Published As

Publication number Publication date
JPS5931075U (ja) 1984-02-27
MX157851A (es) 1988-12-16
EP0082509A1 (de) 1983-06-29
JPS6244381Y2 (is) 1987-11-21
DE3150943A1 (de) 1983-06-30
DE3271903D1 (en) 1986-08-07

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