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EP0845718B1 - Elektrische Schaltvorrichtung auf einer gedruckten Schaltung und Uhr, die eine solche Vorrichtung enthält - Google Patents

Elektrische Schaltvorrichtung auf einer gedruckten Schaltung und Uhr, die eine solche Vorrichtung enthält Download PDF

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Publication number
EP0845718B1
EP0845718B1 EP96119280A EP96119280A EP0845718B1 EP 0845718 B1 EP0845718 B1 EP 0845718B1 EP 96119280 A EP96119280 A EP 96119280A EP 96119280 A EP96119280 A EP 96119280A EP 0845718 B1 EP0845718 B1 EP 0845718B1
Authority
EP
European Patent Office
Prior art keywords
contact element
contact
substrate
printed circuit
plane
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 - Lifetime
Application number
EP96119280A
Other languages
English (en)
French (fr)
Other versions
EP0845718A1 (de
Inventor
Jean-Philippe Rebeaud
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
Application filed by Ebauchesfabrik ETA AG, Eta SA Fabriques dEbauches filed Critical Ebauchesfabrik ETA AG
Priority to DE69608286T priority Critical patent/DE69608286T2/de
Priority to AT96119280T priority patent/ATE192858T1/de
Priority to EP96119280A priority patent/EP0845718B1/de
Priority to US08/941,291 priority patent/US5774427A/en
Priority to KR1019970061320A priority patent/KR100495445B1/ko
Priority to SG1997004160A priority patent/SG67445A1/en
Priority to CN97123077A priority patent/CN1076512C/zh
Priority to JP33157297A priority patent/JP4351302B2/ja
Publication of EP0845718A1 publication Critical patent/EP0845718A1/de
Priority to HK99100070A priority patent/HK1015070A1/xx
Application granted granted Critical
Publication of EP0845718B1 publication Critical patent/EP0845718B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C1/00—Winding mechanical clocks electrically
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/001—Electromechanical switches for setting or display
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5805—Connections to printed circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/14—Operating parts, e.g. push-button
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5805—Connections to printed circuits
    • H01H2001/5811—Connections to printed circuits both fixed and movable contacts being formed by blank stamping and mounted or soldered on printed circuit board without any other housing elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
    • H01H2300/016—Application timepiece
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted

Definitions

  • the present invention relates to a device electrical switch on a printed circuit having an insulating substrate which extends substantially in a plane in the region of the switch and which carries at least one conductive pad of the printed circuit, the device further comprising a fixed contact piece at a fixed point of attachment relative to the substrate, said part being elastically deformable between a position of rest where it does not touch the conductive surface and a latching position where a contact part of said part is in contact with said range, and a control member which is movable in a direction of thrust substantially parallel to the plane of the substrate and to distance from said plane to apply thrust in said direction to the contact part in order to put it in its position of engagement.
  • the invention also relates to a watch comprising a box and such a device in the box.
  • US-A-4 144 428 describes a switch of the genre defined in the preamble above, i.e. converting the control movement parallel to the plane of the substrate in a closing movement of the contact electric by deformation of the contact piece for the move closer to the substrate carrying the conductive surface on which it should apply.
  • a metal frame in inverted rectangular U shape is fixed on a card circuit board supposed to be horizontal and supports a rod horizontal pusher that can slide through the built.
  • the contact piece is a flexible blade having a fixed support point against an interior angle of the frame and a mobile support point formed by a collar of the rod. When we push the rod, the blade bulges down and goes touch a conductive pad on the printed circuit.
  • This construction is relatively heavy and bulky on the printed circuit and also poses problems of lubrication and wear which can affect its operation.
  • the object of the present invention is to avoid disadvantages of the prior art, by creating a device switch on a printed circuit very simple and inexpensive construction, a reliable operation and small footprint, allowing in particular its use in an object of small size such as a wristwatch.
  • a first aspect of the invention relates to an electrical switch device of the kind indicated above, characterized in that the point is located near the plane of the substrate and in that the contact piece is flexible between the point of attachment and a point of application of said thrust, so that it bends under said thrust and that the part of contact follows an approximately trajectory perpendicular to the plane of the substrate when it enters contact with the conductive surface.
  • the contact part flexes mainly in the vicinity of its attachment point located at proximity to the substrate plane and preferably in this plan itself, so that the rest of the room performs a substantially pivoting movement around this area of main bending.
  • the contact part of the room is also close to the plane of the substrate, its trajectory is then descending, so approximately perpendicular to this plane.
  • the point application of the thrust is distant from this plane and follows therefore a trajectory with a horizontal component. This trajectory can be completely horizontal if the point application of the thrust is vertical to the main bending zone.
  • the contact piece includes a prominent part located at a distance from said plane, a first branch attached to the prominent part and comprising the contact part, and a second branch flexible attached to the prominent part and fixed to the attachment point, the point of application of the thrust being located on the prominent part or near this one.
  • the point of the contact piece can be found either on the substrate, so that the part is integral with the printed circuit, either on another fixed element by relation to the substrate, so that the printed circuit has a smaller footprint, especially for the storage.
  • the attachment point is on the substrate, the printed circuit may have a second range conductive which is electrically connected to the workpiece contact at the point of attachment.
  • the part protruding from the contact piece, comprising the point application of the thrust may extend beyond a edge of the substrate in the direction of the control member, especially if you want this organ to not extend not above the printed circuit.
  • a second aspect of the invention relates to a watch comprising a box and a device according to the first aspect of the invention, the watch being characterized in that that the plane of the substrate is substantially parallel to a bottom of the box and in that the control member includes a manual pusher arranged in a middle part of the box and having, opposite the contact piece, a bearing surface perpendicular to the direction of thrust.
  • the pusher can be formed by a deformable element in elastomer.
  • the bearing surface of the pusher can be arranged to bear directly against the workpiece contact, or a transmission element, in particular in ball shape, can be interposed between the surface support of the pusher and the contact piece, said element being guided in the box to be mobile in the thrust direction.
  • the watch partially shown in Figure 1 includes a box 1 comprising a bottom 2, a middle part 3 equipped with one or more lateral pushers 4, one bezel 5 and a lens 6 covering display means digital or analog, for example needles not represented and a dial 7. Between the bottom 2 and the dial 7 is a central compartment 8 which contains a watch movement not shown.
  • the back 2 and the middle part 3 are formed by a single piece of synthetic material, on which the bezel 5 is also welded in material synthetic. Glass 6 is welded or glued to the telescope 5 and maintains the dial 7.
  • the pusher 4 shown is a deformable elastomer part, housed in an orifice lateral of the middle part 3 and preferably produced by overmolding.
  • the pusher 4 has a central axis 9 parallel to the bottom 2 of the box, a head 10 projecting from the outside of the box, and a bearing surface 11 disposed on a protrusion 12 of the pusher inside of the box in front of compartment 8. This surface 11 is preferably flat and perpendicular to the bottom 2 when the pusher is at rest.
  • the pusher 4 can for example have a circular or oblong shape.
  • buttons or controls can be used in the context of the present invention, as is will describe later, provided that the actuation of such control device causes displacement of the surface support 11 in a thrust direction A parallel to axis 9 of the pusher.
  • Compartment 8 contains a printed circuit 13 fitted with an electrical switch 14.
  • the printed circuit 13, which may be of a conventional type, comprises a insulating substrate 15 consisting of a relatively card rigid which extends in a substantially parallel plane 16 at the bottom 2 of the box 1. In the example shown, the substrate 15 is fixed directly on the bottom 2, but it could be attached to any other fixed element in the box.
  • the circuit printed 13 includes conductive tracks 17, 18 connected to respective conductive pads 19, 20 ( Figure 3) which are part of the switch 14 with a metal contact piece 22 fixed to the printed circuit 13 by means of two rivets constituting two attachment points 23 of Exhibit 22.
  • Figures 2 and 3 show more in detail the shape of the contact piece 22 which has been cut from a metal sheet and folded.
  • This piece has a protruding portion 25 raised relative to to the substrate 15, therefore located at a distance from the plane 16 of the substrate and extending opposite the bearing surface 11 pusher 4 ( Figure 1).
  • a protruding portion 25 raised relative to to the substrate 15, therefore located at a distance from the plane 16 of the substrate and extending opposite the bearing surface 11 pusher 4 ( Figure 1).
  • a first flexible leg 26 In the middle of the game prominent 25 is attached one end of a first flexible leg 26, the other end of which is slightly bent upwards, constitutes a contact part 27 located above the conductive surface 20 of the printed circuit 13.
  • each end of the protruding part 25 is connected to a respective second flexible branch 28, the other end of which 29 constitutes a foot which is fixed to the printed circuit 13 by the corresponding rivet.
  • the Figure 3 shows that one of the feet 29 is applied to the conductive pad 19, this being connected for example at the ground pole of the printed circuit by the track driver 17.
  • contact piece 22 An advantage of the configuration which has just been described in contact piece 22 is that its part prominent 25 can be found, in plan view, beyond of an edge 31 of the printed circuit 13, so that this edge does not need to be close to pusher 4. This can also allow a reduction in length of the pusher.
  • the watch case 1 comprises a pusher made of elastomer 34 having a deformable central body 35 circular or oval bell shape, anchored by overmolding in the middle 3 of the watch case 1.
  • the pusher 34 has a projecting outer head 36 and an inner rod 37, the end of which forms a bearing surface 38 perpendicular to the axis 39 of the pusher, therefore to the thrust direction A and on the plane of the printed circuit 13.
  • An insulating plastic ball 40 is interposed between this surface 38 and the contact piece 42 of the switch 14, this ball being guided in a duct of the box 1 so as to slide in the direction A when pushed by pusher 34 and in the opposite direction when it is pushed back by the workpiece contact 42.
  • the contact piece 42 has a shape different from the part 22 described above, but it works from analogously. It basically includes a blade metallic folded in a general inverted U shape, to form a prominent curved portion 43 between a first branch 44, the bent free end of which forms the contact part 45, and a second flexible branch 46 having at its end an enlarged foot 47 which is fixed to the printed circuit 13 by two rivets constituting its points attachment 48.
  • the pusher 34 When the pusher 34 is pressed, the ball 40 leans against the prominent part 43 or the top of the second branch 46 of the contact piece 42, for flex the bottom of this branch to the position as shown in broken lines in the figure 4.
  • the contact part 45 thus lowers vertically to apply on the contact pad corresponding of the printed circuit.
  • the presence of the ball 40 has the advantage of allowing, if necessary, a certain distance between the pusher 34 and the switch 14. It also allows insulation electric between the switch and the pusher, in particular if it is metal.
  • the contact piece 42 is not fixed on the printed circuit 13, but on another fixed part 50, for example a metal part electrically connected to the mass. If the bottom 2 of the box is metallic, the part contact 42 can even be fixed directly to it.
  • the printed circuit 13 thus has a reduced overall height and length, allowing it to be stored and handled more easily.
  • This variant can also have the interest in cases where the substrate of the printed circuit is flexible and / or curved, or in general of a nature which does not allow the contact piece to be easily attached to it.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electric Clocks (AREA)
  • Push-Button Switches (AREA)
  • Keying Circuit Devices (AREA)
  • Electromechanical Clocks (AREA)
  • Parts Printed On Printed Circuit Boards (AREA)

Claims (12)

  1. Elektrische Schaltervorrichtung in einer gedruckten Schaltung (13), die ein isolierendes Substrat (15) umfaßt, das sich im wesentlichen in einer Ebene (16) im Bereich des Schalters (14) erstreckt und wenigstens einen leitenden Bereich (20) der gedruckten Schaltung trägt, wobei die Vorrichtung außerdem ein Kontaktteil (22, 42), das an einem in bezug auf das Substrat festen Befestigungspunkt (23, 48) befestigt ist und zwischen einer Ruheposition, in der es den leitenden Bereich nicht berührt, und einer Einrastposition, in der ein Kontaktabschnitt (27, 45) des Teils mit dem Bereich in Kontakt ist, elastisch verformbar ist, sowie ein Steuerorgan (4, 34), das in einer zur Ebene des Substrats im wesentlichen parallelen Drückrichtung (A) und in einem Abstand von der Ebene beweglich ist, um in dieser Richtung auf das Kontaktteil einen Druck auszuüben, um es in seine Einrastposition zu bringen, umfaßt,
       dadurch gekennzeichnet, daß sich der Befestigungspunkt (23, 48) in der Nähe der Ebene (16) des Substrats (15) befindet und daß das Kontaktteil (22, 42) zwischen dem Befestigungspunkt und einem Druckausübungspunkt biegsam ist, derart, daß es sich unter dem Druck biegt und der Kontaktabschnitt (27, 45) einer Bahn folgt, die zur Ebene des Substrats nahezu senkrecht ist, wenn er mit dem leitenden Bereich in Kontakt tritt.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß das Kontaktteil einen vorspringenden Abschnitt (25, 43), der sich in einem Abstand von der Ebene (16) befindet, einen ersten Schenkel (26, 44), der mit dem vorstehenden Abschnitt verbunden ist und den Kontaktabschnitt umfaßt, sowie einen zweiten, flexiblen Schenkel (28, 46), der mit dem vorspringenden Abschnitt verbunden und am Befestigungspunkt befestigt ist, umfaßt, wobei sich der Druckausübungspunkt auf dem vorspringenden Abschnitt oder in dessen Nähe befindet.
  3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß sich der Befestigungspunkt (23, 48) auf dem Substrat befindet.
  4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß die gedruckte Schaltung einen zweiten leitenden Bereich (19) enthält, der mit dem Kontaktteil (22, 42) am Befestigungspunkt elektrisch verbunden ist.
  5. Vorrichtung nach den Ansprüchen 2 und 3, dadurch gekennzeichnet, daß sich der vorspringende Abschnitt (25) des Kontaktteils (22) über einen Rand (31) des Substrats (15) in Richtung zum Steuerorgan erstreckt.
  6. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß das Kontaktteil (22, 42) ein aus einer Metallplatte geschnittener und gebogener Teil ist.
  7. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß der vorspringende Abschnitt (25) eine zur Drückrichtung (A) im wesentlichen senkrechte, langgestreckte Form besitzt und daß das Kontaktteil zwei zweite Schenkel (28), die mit den jeweiligen Enden des vorspringenden Abschnitts verbunden und an jeweiligen Befestigungspunkten (23) befestigt sind, sowie einen einzigen ersten Schenkel (26), der mit dem vorspringenden Abschnitt zwischen den beiden Schenkeln verbunden ist, besitzt.
  8. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß das Kontaktteil (42) ein in eine allgemeine U-Form gebogenes Plättchen ist, wobei der gekrümmte Abschnitt des U den vorspringenden Abschnitt (43) bildet.
  9. Uhr, die ein Gehäuse (1) und eine Vorrichtung nach einem der vorhergehenden Ansprüche in dem Gehäuse enthält, dadurch gekennzeichnet, daß die Ebene (16) des Substrats (15) zu einem Boden (2) des Gehäuses im wesentlichen parallel ist und daß das Steuerorgan eine manuelle Drückvorrichtung (4, 34) umfaßt, die in einer Einfassung (3) des Gehäuses angeordnet ist und gegenüber dem Kontaktteil eine Abstützoberfläche (11, 38) aufweist, die zur Drückrichtung (A) senkrecht ist.
  10. Uhr nach Anspruch 9, dadurch gekennzeichnet, daß die Drückvorrichtung (4, 34) aus einem verformbaren Elastomer-Element gebildet ist.
  11. Uhr nach Anspruch 9 oder 10, dadurch gekennzeichnet, da die Drückfläche (11) so beschaffen ist, daß sie sich direkt am Kontaktteil abstützt.
  12. Uhr nach Anspruch 9 oder 10, dadurch gekennzeichnet, daß zwischen die Drückfläche (38) der Drückvorrichtung und das Kontaktteil (42) ein Übertragungselement, insbesondere in Form einer Kugel (40), eingefügt ist, wobei das Element im Gehäuse so geführt wird, daß es in Drückrichtung (A) beweglich ist.
EP96119280A 1996-12-02 1996-12-02 Elektrische Schaltvorrichtung auf einer gedruckten Schaltung und Uhr, die eine solche Vorrichtung enthält Expired - Lifetime EP0845718B1 (de)

Priority Applications (9)

Application Number Priority Date Filing Date Title
DE69608286T DE69608286T2 (de) 1996-12-02 1996-12-02 Elektrische Schaltvorrichtung auf einer gedruckten Schaltung und Uhr, die eine solche Vorrichtung enthält
AT96119280T ATE192858T1 (de) 1996-12-02 1996-12-02 Elektrische schaltvorrichtung auf einer gedruckten schaltung und uhr, die eine solche vorrichtung enthält
EP96119280A EP0845718B1 (de) 1996-12-02 1996-12-02 Elektrische Schaltvorrichtung auf einer gedruckten Schaltung und Uhr, die eine solche Vorrichtung enthält
US08/941,291 US5774427A (en) 1996-12-02 1997-09-30 Electric switch device on a printed circuit and watch comprising such a device
KR1019970061320A KR100495445B1 (ko) 1996-12-02 1997-11-20 프린트배선회로상의전기스위치장치와이장치를포함하는시계
SG1997004160A SG67445A1 (en) 1996-12-02 1997-11-27 Electric switch device on a printed circuit and watch comprising such a device
CN97123077A CN1076512C (zh) 1996-12-02 1997-12-01 印刷电路上的电开关器件和包括该器件的手表
JP33157297A JP4351302B2 (ja) 1996-12-02 1997-12-02 スイッチ装置およびそのようなスイッチ装置を備えた時計
HK99100070A HK1015070A1 (en) 1996-12-02 1999-01-07 Electric switch device on a printed circuit and watch comprising such a device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP96119280A EP0845718B1 (de) 1996-12-02 1996-12-02 Elektrische Schaltvorrichtung auf einer gedruckten Schaltung und Uhr, die eine solche Vorrichtung enthält

Publications (2)

Publication Number Publication Date
EP0845718A1 EP0845718A1 (de) 1998-06-03
EP0845718B1 true EP0845718B1 (de) 2000-05-10

Family

ID=8223455

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96119280A Expired - Lifetime EP0845718B1 (de) 1996-12-02 1996-12-02 Elektrische Schaltvorrichtung auf einer gedruckten Schaltung und Uhr, die eine solche Vorrichtung enthält

Country Status (9)

Country Link
US (1) US5774427A (de)
EP (1) EP0845718B1 (de)
JP (1) JP4351302B2 (de)
KR (1) KR100495445B1 (de)
CN (1) CN1076512C (de)
AT (1) ATE192858T1 (de)
DE (1) DE69608286T2 (de)
HK (1) HK1015070A1 (de)
SG (1) SG67445A1 (de)

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JP4820720B2 (ja) * 2006-09-07 2011-11-24 セイコーインスツル株式会社 携帯型電子時計
US9157952B2 (en) 2011-04-14 2015-10-13 National Instruments Corporation Switch matrix system and method
US8704408B2 (en) 2011-04-14 2014-04-22 National Instruments Corporation Switch matrix modeling system and method
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10028561A1 (de) * 2000-06-09 2001-12-20 Cherry Gmbh Elastisches Druckelement in einer Verbindungsanordnung
DE10028561C2 (de) * 2000-06-09 2002-04-25 Cherry Gmbh Verbindungsanordnung

Also Published As

Publication number Publication date
ATE192858T1 (de) 2000-05-15
HK1015070A1 (en) 1999-10-08
DE69608286T2 (de) 2001-01-04
EP0845718A1 (de) 1998-06-03
SG67445A1 (en) 1999-09-21
CN1076512C (zh) 2001-12-19
DE69608286D1 (de) 2000-06-15
JP4351302B2 (ja) 2009-10-28
KR19980063592A (ko) 1998-10-07
CN1188974A (zh) 1998-07-29
KR100495445B1 (ko) 2005-09-29
JPH10160869A (ja) 1998-06-19
US5774427A (en) 1998-06-30

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