EP0082509A1 - Montage des aiguilles d'un dispositif indicateur du temps éclairable par transmission de lumière - Google Patents

Montage des aiguilles d'un dispositif indicateur du temps éclairable par transmission de lumière Download PDF

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Publication number
EP0082509A1
EP0082509A1 EP82111757A EP82111757A EP0082509A1 EP 0082509 A1 EP0082509 A1 EP 0082509A1 EP 82111757 A EP82111757 A EP 82111757A EP 82111757 A EP82111757 A EP 82111757A EP 0082509 A1 EP0082509 A1 EP 0082509A1
Authority
EP
European Patent Office
Prior art keywords
pointer
hand
arrangement according
disk
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.)
Granted
Application number
EP82111757A
Other languages
German (de)
English (en)
Other versions
EP0082509B1 (fr
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
Kienzle Apparate GmbH
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 Kienzle Apparate GmbH, Mannesmann Kienzle GmbH filed Critical Kienzle Apparate GmbH
Publication of EP0082509A1 publication Critical patent/EP0082509A1/fr
Application granted granted Critical
Publication of EP0082509B1 publication Critical patent/EP0082509B1/fr
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.
  • DE-GM 79 o1 4o6 design the pointer of a measuring instrument on an opaque disk driven by the measuring mechanism and moved in front of a light diffusing screen by slitting the disk or by using a disk made of translucent material Hide the pointer by appropriately covering the disc.
  • DE-GM 1 944 977 also discloses a pointer arrangement for a time display device equipped with two centrally arranged hands, 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-guiding pointer hubs, deflected at a suitable reflection surface and directed into the pointer flags.
  • One of these aspects is, for example, that voluminous pointers are avoided, that is, not least because of the parallax, the lowest possible height and fine pointer flags with the smallest possible pointer eye are desirable.
  • the pointer flags should, if possible, be formed in the length ratios familiar from time display devices, that is to say pointer sections or exclusively illuminated pointer tips be avoided.
  • the object of the present invention was accordingly to provide a pointer arrangement for a time display device which is free from stray light and without halos and 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.
  • the solution to this problem is characterized by two disks made of translucent material of different diameters, of which the smaller disk is assigned to the hour wave and the larger disk to the minute wave of a time drive, by an hour hand hidden on the smaller disk by means of an opaque mask, by one 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 so that it overlaps the smaller disc in the radial direction.
  • the construction according to the invention which is well coordinated with regard to the design requirements, is particularly advantageous in terms of lighting technology because the light path between the light guide and the pointer elements is designed to be as short as possible and largely free of deflection and relatively large transfer areas are provided.
  • the light for illuminating the minute hand is introduced in the vicinity of the tip of the pointer and thus, even simpler means of uniformly illuminating the minute hand can be achieved than if the light had a large-volume pointer hub which a correspondingly large pointer eye is required, is deflected into the pointer flag.
  • disks 3 and 4 of different diameters are each attached to two coaxially mounted hollow shafts 1 and 2.
  • 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 .
  • 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 - the colored tick marks 10 or the contrast can be improved 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 an optimal 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.
  • the color design preferably corresponds to that of the surfaces 6 and 7.
  • a light coat of paint can be applied to the lower surfaces 22 and 23 thereof.
  • 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 discs 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 a pointer eye is provided in a conventional manner 30 is molded.
  • 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 Montage des aiguilles d'un dispositif indicateur du temps éclairable par transmission de lumière Expired EP0082509B1 (fr)

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 true EP0082509A1 (fr) 1983-06-29
EP0082509B1 EP0082509B1 (fr) 1986-07-02

Family

ID=6149471

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82111757A Expired EP0082509B1 (fr) 1981-12-23 1982-12-17 Montage des aiguilles d'un dispositif indicateur du temps éclairable par transmission de lumière

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0181809B1 (fr) * 1984-10-31 1989-06-21 S.T. DUPONT Société anonyme dite: Montres ou similaires équipées d'un dispositif d'affichage du type dateur

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (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

Patent Citations (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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0181809B1 (fr) * 1984-10-31 1989-06-21 S.T. DUPONT Société anonyme dite: Montres ou similaires équipées d'un dispositif d'affichage du type dateur

Also Published As

Publication number Publication date
MX157851A (es) 1988-12-16
DE3271903D1 (en) 1986-08-07
JPS5931075U (ja) 1984-02-27
JPS6244381Y2 (fr) 1987-11-21
EP0082509B1 (fr) 1986-07-02
DE3150943A1 (de) 1983-06-30

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