EP0427139A1 - Schalter - Google Patents

Schalter Download PDF

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Publication number
EP0427139A1
EP0427139A1 EP90121035A EP90121035A EP0427139A1 EP 0427139 A1 EP0427139 A1 EP 0427139A1 EP 90121035 A EP90121035 A EP 90121035A EP 90121035 A EP90121035 A EP 90121035A EP 0427139 A1 EP0427139 A1 EP 0427139A1
Authority
EP
European Patent Office
Prior art keywords
switch
microswitches
control lever
support
switch according
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
EP90121035A
Other languages
English (en)
French (fr)
Other versions
EP0427139B1 (de
Inventor
Philippe Boulay
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.)
Alcatel CIT SA
Original Assignee
Alcatel Mobile Communication France SA
Alcatel Radiotelephone SA
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 Alcatel Mobile Communication France SA, Alcatel Radiotelephone SA filed Critical Alcatel Mobile Communication France SA
Publication of EP0427139A1 publication Critical patent/EP0427139A1/de
Application granted granted Critical
Publication of EP0427139B1 publication Critical patent/EP0427139B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
    • H01H19/60—Angularly-movable actuating part carrying no contacts
    • H01H19/63—Contacts actuated by axial cams
    • 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
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/008—Actuators other then push button
    • H01H2221/01—Actuators other then push button also rotatable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/008—Actuators other then push button
    • H01H2221/014—Slide selector

Definitions

  • the present invention relates to a mechanically actuated switch.
  • Switches of this type generally include a control lever that can move in rotation or in translation and a switching member.
  • This member comprises fixed contact elements and an axis actuated by the control lever, which supports movable contact elements capable of being applied to some of the fixed contact elements. It occupies a volume which is imposed by the mechanism making the two types of contact elements cooperate. In some highly integrated devices, this volume is incompatible with space constraints.
  • the present invention thus relates to a compact switch, having a large seal, in which this sub-assembly is substantially simplified.
  • the switch according to the invention comprises a control lever and a switching member fixed on a support and provided with a plurality of microswitches, the control lever having at least one actuating cam, this switch further comprising means for move the control lever so that the actuating cam can successively actuate at least two of the microswitches, and is characterized in that the switching member is produced according to the technology of bubble faceplates, and in that the cam actuation is constantly evolving at the same distance from the support.
  • the support comprises notches and the control lever comprises an indexing device which cooperates with these notches so as to immobilize the actuating cam on one of the micro-contacts.
  • control lever is movable in rotation.
  • control lever is movable in translation.
  • each of the microswitches is covered with a bubble.
  • the microswitches are covered by a single pattern.
  • the electrical conductors connected to the microswitches are combined in a comb which is intended to be inserted in a connector for flexible circuits.
  • the switch represented in section in FIG. 1 and seen from above in FIG. 2 comprises a control lever 1 of the button type provided with an actuating cam 2.
  • This button is fixed on an axis 3 by gluing, by screwing or by any known means, this axis being maintained on a support 4 by means of a shoulder 5 and being able to rotate on itself.
  • It also includes an indexing device of the type comprising a ball 6 which can engage in one of the notches 7 of the support 4.
  • the switch also includes a switching member 8 fixed on the support 4.
  • the switching is carried out according to the known technology of bubble faceplates which is used in particular for the manufacture of keyboards. It comprises an active layer 9 covered on its upper face with an external layer 10 which supports the bubbles 11, and on its lower face with an adherent layer 12 which ensures the attachment to the upper face of the support 4.
  • the bubbles 11 are arranged on a circle whose radius is equal to the distance which separates the actuating cam 2 from the axis of the control button 1.
  • the active layer 9 comprises in the center of each bubble 11 a micro-contact 15 which establishes the electrical connection between two electrical conductors 16, 17 if the bubble is subjected to a pressure exerted perpendicular to the plane of the support 4 by the actuating cam 2 When the pressure is released, the contact opens under the effect of the elasticity of the bubble. All of the microswitch conductors are joined together in a comb 18 which is inserted into a connector for flexible circuits. This type of connection is also known in the manufacture of keyboards.
  • the seal is ensured by the system of the bubble plastron type because, unlike known devices, the switching member has no mechanical connection with an external component. Switching takes place by pressing. In addition, the size of the switching member is reduced to the thickness of a film.
  • the microswitches 15 are not integrated into a film, but these are conventional micro-contacts which are mechanically fixed on the support 4 according to the arrangement described above. Although having a larger bulk, this embodiment has the advantages specific to conventional micro-contacts.
  • the switching member 8 and the control button 1 are located on the same side of the support 4. In an alternative embodiment shown in FIG. 4, they are located on either side of this support. Only the essential elements of the system have been shown schematically. The ball 6 and the notches 7 are located either on one side or the other of the support 4.
  • control button is provided with a single actuating cam. Without departing from the scope of the invention, it may include several.
  • the invention has been described in relation to a rotary switch. It also applies to a linear switch shown in section in Figure 5 and seen from above in Figure 6.
  • the support 4 has a groove 30.
  • the shoulder 5 of the axis 3 of the control button is arranged so so that this button is held substantially in contact with the support 4 and can slide in the groove 30.
  • the microswitches 15, the bubbles 11 and the notches 7 which have the same action here as in the rotary switch, are placed parallel to the groove 30 so that the control button 1 which is stationary in rotation acts correctly on each elementary contact.
  • the rotary switch it has been envisaged to replace the bubbles with a section of torus, here it is possible to replace them with a pattern such as a section of cylinder.
  • the groove 30 which is rectilinear in Figure 6, can take a curved shape without departing from the scope of the invention.

Landscapes

  • Switches With Compound Operations (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Lock And Its Accessories (AREA)
  • Push-Button Switches (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Vehicle Body Suspensions (AREA)
  • Motor Or Generator Current Collectors (AREA)
  • Slide Switches (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Radiation-Therapy Devices (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Paper (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Eye Examination Apparatus (AREA)
EP90121035A 1989-11-09 1990-11-02 Schalter Expired - Lifetime EP0427139B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8914692 1989-11-09
FR8914692A FR2654250B1 (fr) 1989-11-09 1989-11-09 Commutateur.

Publications (2)

Publication Number Publication Date
EP0427139A1 true EP0427139A1 (de) 1991-05-15
EP0427139B1 EP0427139B1 (de) 1995-02-22

Family

ID=9387227

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90121035A Expired - Lifetime EP0427139B1 (de) 1989-11-09 1990-11-02 Schalter

Country Status (8)

Country Link
EP (1) EP0427139B1 (de)
AT (1) ATE118921T1 (de)
DE (1) DE69017147T2 (de)
DK (1) DK0427139T3 (de)
ES (1) ES2069652T3 (de)
FI (1) FI98004C (de)
FR (1) FR2654250B1 (de)
NO (1) NO179429C (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003063193A1 (de) * 2002-01-25 2003-07-31 Voelckers Oliver Stellelement auf der basis eines folienschalters

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3377604A (en) * 1967-04-26 1968-04-09 Acton Lab Inc Electrical devices with frictionless flexible contacts
EP0265883A2 (de) * 1986-10-28 1988-05-04 Alcatel SEL Aktiengesellschaft Drehschalter

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1415258A1 (ru) * 1987-01-22 1988-08-07 Предприятие П/Я А-3327 Коммутационное устройство

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3377604A (en) * 1967-04-26 1968-04-09 Acton Lab Inc Electrical devices with frictionless flexible contacts
EP0265883A2 (de) * 1986-10-28 1988-05-04 Alcatel SEL Aktiengesellschaft Drehschalter

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
IBM TECHNICAL DISCLOSURE BULLETIN. vol. 10, no. 9, février 1986, NEW YORK US page 1421 K.A. Brooks: "Scanning switch" *
IBM TECHNICAL DISCLOSURE BULLETIN. vol. 22, no. 6, novembre 1979, NEW YORK US pages 2324 - 2325; J.W. Rudolph: "Sliding selector switch" *
SOVIET INVENTIONS ILLUSTRATED DERWENT semaine 89/07, section T, 29 mars 1989 & SU-A-1415258 (MOROZ) *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003063193A1 (de) * 2002-01-25 2003-07-31 Voelckers Oliver Stellelement auf der basis eines folienschalters

Also Published As

Publication number Publication date
ES2069652T3 (es) 1995-05-16
FR2654250B1 (fr) 1995-10-13
NO179429C (no) 1996-10-02
DE69017147D1 (de) 1995-03-30
DE69017147T2 (de) 1995-06-22
NO179429B (no) 1996-06-24
ATE118921T1 (de) 1995-03-15
FR2654250A1 (fr) 1991-05-10
DK0427139T3 (da) 1995-06-06
FI98004B (fi) 1996-12-13
NO904837L (no) 1991-05-10
FI905524A0 (fi) 1990-11-07
EP0427139B1 (de) 1995-02-22
FI98004C (fi) 1997-03-25
NO904837D0 (no) 1990-11-07

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