EP0840184A1 - Uhr mit Lichtelementen - Google Patents

Uhr mit Lichtelementen Download PDF

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Publication number
EP0840184A1
EP0840184A1 EP97118797A EP97118797A EP0840184A1 EP 0840184 A1 EP0840184 A1 EP 0840184A1 EP 97118797 A EP97118797 A EP 97118797A EP 97118797 A EP97118797 A EP 97118797A EP 0840184 A1 EP0840184 A1 EP 0840184A1
Authority
EP
European Patent Office
Prior art keywords
finger
box
case
wrist watch
movement
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Withdrawn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
EP97118797A
Other languages
English (en)
French (fr)
Inventor
Rolf Schneider
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
Ebauchesfabrik ETA AG
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
Priority claimed from FR9613528A external-priority patent/FR2755520B1/fr
Application filed by Ebauchesfabrik ETA AG, Eta SA Fabriques dEbauches filed Critical Ebauchesfabrik ETA AG
Publication of EP0840184A1 publication Critical patent/EP0840184A1/de
Withdrawn legal-status Critical Current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
    • 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
    • G04B47/00—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece

Definitions

  • the present invention relates to a timepiece comprising luminous elements, and more particularly to such a timepiece in the form of a wristwatch in which at least one luminous element can be seen constantly.
  • Jewelery or timepieces are already known comprising light sources intended to produce either a decorative effect only, or to give additional determined information, whether or not in relation to the time base when it comes to a timepiece.
  • patent FR 2 183 763 which describes a decorative piece constituted for example by a watch, the bezel of which supports bulbs preferably of the electro-luminescent type, said bulbs being able to be switched on or off by means of a switch. .
  • the devices of the prior art have in common the fact that they are compact and generally bulky and only provide a light effect insofar as the emitting source, which is completely integrated in the device, is not masked, as may be the case when a sleeve of clothing covers a wristwatch.
  • the present invention aims to overcome the drawbacks of this prior art by providing a timepiece of which at least one luminous element, representative or not of time information is easily visible, whatever the conditions of use of said timepiece, and in particular when it is a wristwatch which will be taken by way of example in the following description.
  • the invention relates to a wristwatch comprising a box for receiving a movement, luminous elements carried by the bezel or the middle part of said box, an energy source and an electronic circuit housed in said box to manage the power supply of the light elements, and a control member, characterized in that at least one light element is formed by a finger bearing on said box and extending beyond the latter.
  • the control member can be a push button carried by the middle part, or only a connection making it possible to receive a signal for controlling the movement.
  • the finger-shaped light element is composed of a flexible material, so as not to constitute discomfort for the user who wears the wristwatch on his wrist.
  • This finger will for example be formed by a flexible sheath, for example made of plastic, inside which pass electrical cables to supply diodes located at the end of the finger.
  • the finger can be formed by an optical fiber or a bundle of optical fibers having at its base a light source. In the activated position the finger will be illuminated over its entire length, with a greater emerging intensity.
  • a person skilled in the art can adapt, without departing from the scope of the invention, known devices making it possible to illuminate, all or part of a flexible tubular element, for example by shaping all or part of a flexible tube with elements electroluminescent.
  • the implantation of one or more fingers can be carried out on the case at the middle, the finger then extending parallel to the general plane of the wristwatch.
  • Such an arrangement can be useful as a complementary or supplementary visual alarm, for example to signal the reception of a message on a watch of the "pager" type, the electronic circuit of which would then be connected to the circuit for managing the light elements.
  • the finger In the position of use, the finger can extend radially towards the hand, or can on the contrary be kept folded along the middle by suitable means when it is not desired to make use of it.
  • the implantation of several fingers is carried out at the bezel in a general direction perpendicular to the plane of the watch.
  • these light elements are provided solely for aesthetic purposes, that is to say when the circuit for managing their activation is completely independent of the movement, their number can be any, for example 3, 5 or more.
  • these elements are provided to give or complete hourly information, their number will then be representative of a division of time, for example 4, 6 or more depending on the density desired or available on the telescope.
  • the energy source is for example constituted by two button cells arranged in the same plane and connected in series.
  • the electronic circuit preferably consists of an integrated microprocessor of known type, programmable to impose an ignition sequence of the light elements and a total operating time after actuation of the push button.
  • the timepiece movement can be assembled according to known techniques by fitting a box for this purpose already comprising all the characteristic elements of the invention.
  • the movement can also be pre-assembled in an independent envelope then placed in the box and held in place by gluing or snapping.
  • the wristwatch shown usually comprises a box 1, and a bracelet 3 in one piece slid through a tab located under the box.
  • the central part of the box 1 is occupied by a movement 4 which in the example shown has an analog display on a circular dial.
  • the general shape of the box 1 follows the periphery of the dial with the exception of a zone 2 substantially between 7:00 and 11:00 which has an extension and gives the box a general ovoid shape.
  • the part of the box with the smallest radius of curvature is intended to receive an energy source and an electronic circuit, as will be explained later.
  • the box is also provided with a pusher 5 and a crown 7 for setting the time of the movement.
  • the wristwatch according to the invention is further characterized by the presence of five fingers 11 to 15, having a general direction perpendicular to the plane of the case 1. These fingers are regularly spaced around the dial from the 3 o'clock position, and they have from this position increasing lengths clockwise. According to a variant not shown, it is possible to have only four fingers at the 3:00, 6:00, 9:00 and 12:00 hours, as indicated previously, to embed fixed luminous indexes at the bezel for the other time positions and thus to have a time indicator by making the connections. between the time base of the movement and the electronic circuit.
  • the exploded view of FIG. 3 gives an example of construction of the embodiment shown in FIG. 1, the timepiece movement of the pre-assembled type not yet being put in place.
  • the box 1 comprises three essential parts, namely an upper box 20, a printed circuit 30 and a lower cover 40.
  • the box 20 and the cover 30 are obtained by molding or injection of a plastic material and can easily be assembled by gluing or ultrasonic welding to maintain places the printed circuit 30.
  • the outer part of the housing 20 comprises a circular central recess 21 intended to receive a movement, the bottom of said recess 21 comprising an opening 22 allowing access to the battery flap of the movement.
  • the part forming the middle part 23 has a passage 6 for the push button 5 and a passage 8 for the stem of the time-setting crown 7.
  • a recess is provided on the periphery and in the ovoid extension 2 to receive the printed circuit 30.
  • the hour turn finally has five holes 11a to 15a passing through said housing 20 at the bezel to allow the positioning of the fingers 11 to 15 and their connection to the circuit printed 30.
  • the finger 14 is shown in section. It consists of a flexible sheath 16 made of a plastic material, such as Tygon®, inside which pass two twisted electrical conductors 17, 18, connected at their emerging end to a diode 19 secured to the sheath by gluing .
  • the printed circuit 30 finally comprises a contact device with blades 38 actuable by the push button 5, and making it possible to make the diodes located at the end of the fingers flash one after the other for approximately 30 seconds.
  • the elements of the circuit are shown on the surface of the printed circuit facing the housing 20, but in an equivalent, or even preferred, manner, they can be arranged on the surface oriented on the side of the cover.
  • the cover 40 of generally planar shape has the same ovoid periphery as the case 20. It has an opening 42, facing the opening 22 of the case, to allow the passage of the movement battery, and two other openings 46, 47 extended by flanges 46a, 47a opposite the openings 36, 37 of the printed circuit to allow the passage of the batteries 44, 45 supplying the light device.
  • the cover comprises a flange 48 (partially visible in FIG. 3) for the passage of the bracelet, said flange also comprising an opening for the passage of the movement battery.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
EP97118797A 1996-11-01 1997-10-29 Uhr mit Lichtelementen Withdrawn EP0840184A1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH270696 1996-11-01
CH2706/96 1996-11-01
FR9613528A FR2755520B1 (fr) 1996-11-06 1996-11-06 Piece d'horlogerie comportant des elements lumineux
FR9613528 1996-11-06

Publications (1)

Publication Number Publication Date
EP0840184A1 true EP0840184A1 (de) 1998-05-06

Family

ID=25691194

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97118797A Withdrawn EP0840184A1 (de) 1996-11-01 1997-10-29 Uhr mit Lichtelementen

Country Status (1)

Country Link
EP (1) EP0840184A1 (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3078364A (en) * 1961-04-18 1963-02-19 Gerhardt C Neugebauer Wrist band illuminating device
FR2178547A5 (de) * 1972-03-27 1973-11-09 Wright Francis
US5099462A (en) * 1991-05-02 1992-03-24 Karowski Robert E Construction hat timepiece apparatus
EP0706098A1 (de) * 1994-09-27 1996-04-10 Mansei Kogyo Kabushiki Kaisha Uhr

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3078364A (en) * 1961-04-18 1963-02-19 Gerhardt C Neugebauer Wrist band illuminating device
FR2178547A5 (de) * 1972-03-27 1973-11-09 Wright Francis
US5099462A (en) * 1991-05-02 1992-03-24 Karowski Robert E Construction hat timepiece apparatus
EP0706098A1 (de) * 1994-09-27 1996-04-10 Mansei Kogyo Kabushiki Kaisha Uhr

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