EP0050804A2 - Code switch - Google Patents

Code switch Download PDF

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Publication number
EP0050804A2
EP0050804A2 EP81108378A EP81108378A EP0050804A2 EP 0050804 A2 EP0050804 A2 EP 0050804A2 EP 81108378 A EP81108378 A EP 81108378A EP 81108378 A EP81108378 A EP 81108378A EP 0050804 A2 EP0050804 A2 EP 0050804A2
Authority
EP
European Patent Office
Prior art keywords
grinder
coding switch
conductor tracks
switch according
circuit board
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Withdrawn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
EP81108378A
Other languages
German (de)
French (fr)
Other versions
EP0050804A3 (en
Inventor
Edgar Wiessner
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP0050804A2 publication Critical patent/EP0050804A2/en
Publication of EP0050804A3 publication Critical patent/EP0050804A3/en
Withdrawn legal-status Critical Current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
    • H01H19/02—Details
    • H01H19/10—Movable parts; Contacts mounted thereon
    • H01H19/11—Movable parts; Contacts mounted thereon with indexing means
    • 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
    • H01H19/56—Angularly-movable actuating part carrying contacts, e.g. drum switch
    • H01H19/58—Angularly-movable actuating part carrying contacts, e.g. drum switch having only axial contact pressure, e.g. disc switch, wafer switch
    • H01H19/585—Angularly-movable actuating part carrying contacts, e.g. drum switch having only axial contact pressure, e.g. disc switch, wafer switch provided with printed circuit contacts

Definitions

  • the invention relates to a coding switch with a plurality of conductor tracks arranged on a circuit board and bridged by a grinder and arranged in a ring.
  • the conductor tracks are arranged, for example, as a printed circuit on only one ring sliding track run over by a single sliding contact.
  • this has the disadvantage that the adjacent radial contact strips lying on the ring sliding path are bridged by only one grinder, which can lead to impurities when making contact.
  • the invention is therefore based on the object of improving a coding switch of the type mentioned above in such a way that, with a simple and spatially compact structure, good contact surfaces of the grinder on the conductor tracks are ensured and that the actuation of the coding switch is possible without additional drive means.
  • This is achieved in a simple manner in that the conductor tracks lie coaxially with one another on different circular rings and the grinder is finger-shaped to match these circular rings and is provided with a handle at the end remote from the pivot point.
  • the finger-shaped design of the grinder makes it possible to ensure the desired contact pressure for each individual contact path.
  • the handle can be made in the form of a bulge in which a pencil or the like. is used.
  • a catch on the grinder is provided in the area of the handle, which can be connected to catch recesses on the circuit board.
  • the locking lug can be formed by the bent rounded end of the grinder.
  • the conductor tracks to be bridged lie on semicircular rings and two wipers are conductively connected to the pivot point line to form two decades.
  • the grinders are comb-shaped with cranked comb teeth, the ends of which form the contact points, and the fulcrum lies in the web that is extended in the manner of the comb teeth, and advantageously the web extension is also cranked, the two grinders can overlap, i.e. one grinder is in the zero position and the other in position 9 without losing contact points on the circumference of the circle.
  • the manufacture of the grinder it has proven to be advantageous if it is made from CuBe as a stamped and bent part.
  • the coding switch shown in the drawing consists of the circuit board 1, on which the conductor tracks 2, 3, 4, 5 and 6, 7, 8, 9 are applied in the form of a printed circuit.
  • the circuit board 1 can here be part of an existing relay circuit board.
  • the conductor track 10 is used for supply to the grinders 11 and 12.
  • the conductor tracks 3 and 7 and 4 and 6 lie on coaxial circular rings to the conductor tracks 2 and 5 and 8 and 9 or to the supply conductor track 10.
  • the grinders 11 and 12 are provided with fingers 13 - in the present example 3 -.
  • the fingers form the comb teeth, which are connected by the web 14.
  • the opening 15 in an angled web extension 16 serves to insert a tubular rivet 17, which is inserted into the center hole 18 of the printed circuit board 1 and is intended for rotatably holding the grinders 11 and 12.
  • the parts 19 of the grinder surrounding the opening 15 can advantageously be of corrugated type for better contact.
  • Both the web extension 16 and the fingers 13 are cranked off, so that the web 14 can grip over the contact fingers resting on the conductor tracks without any contacts being closed.
  • the web 14 ends, as shown in FIG. 2, in a handle 20, which is formed by recesses 21, 22 and can be produced without additional effort when punching the grinder, the recess 22 also serving for reading the set digits.
  • the coding switch according to the invention is an extremely inexpensive version, which is particularly suitable even with small dimensions and occasional adjustment. It can be practically integrated into a printed circuit and can be implemented with or without a catch. It offers space for two decades on a circular area and can be operated from one side and the position can be recognized.

Landscapes

  • Slide Switches (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Contacts (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)

Abstract

Die Erfindung bezieht sich auf einen Codierschalter mit mehreren, auf einer Leiterplatte (1) angeordneten, von einem Schleifer (11, 12) überbrückbaren, kreisringförmig angeordneten Leiterbahnen (2 bis 9). Bei einem derartigen Codierschalter sind die Leiterbahnen (2 bis 9) koaxial zueinander auf unterschiedlichen Kreisringen angeordnet und der bzw. die Schleifer (11, 12) sind fingerförmig diesen Kreisringen angepaßt und am dem Drehpunkt abgewandten Ende mit einer Handhabe (20) versehen. Hierdurch ist es möglich, auf Einstellmittel für den Codierschalter in Form von Stellringen und dergl. zu verzich ten. Die Handhabe (20) kann z.B. mit Hilfe eines Bleistiftes auch von größerer Entfernung verstellt werden.The invention relates to a coding switch with a plurality of conductor tracks (2 to 9) arranged on a printed circuit board (1) and bridged by a grinder (11, 12). In such a coding switch, the conductor tracks (2 to 9) are arranged coaxially to one another on different circular rings and the grinder (s) (11, 12) are adapted to these circular rings in a finger shape and are provided with a handle (20) at the end remote from the pivot point. This makes it possible to dispense with setting means for the coding switch in the form of adjusting rings and the like. The handle (20) can e.g. can also be adjusted from a distance using a pencil.

Description

Die Erfindung bezieht sich auf einen Codierschalter mit mehreren, auf einer Leiterplatte angeordneten, von einem Schleifer überbrückbaren, kreisringförmig angeordneten Leiterbahnen.The invention relates to a coding switch with a plurality of conductor tracks arranged on a circuit board and bridged by a grinder and arranged in a ring.

Bei einem bekannten Codierschalter der obengenannten Art (DE-AS 1 245 622) sind die Leiterbahnen beispielsweise als gedruckte Schaltung auf nur einer von einem einzigen Schleifkontakt überfahrenen Ringschleifbahn angeordnet. Dies hat neben der komplizierten Bahnführung für die Stromzuleitung den Nachteil, daß die nebeneinanderliegenden, radial verlaufenden, auf der Ringschleifbahn liegenden Kontaktstreifen von nur einem Schleifer überbrückt werden, was Unsauberheiten bei der Kontaktgabe mit sich führen kann.In a known coding switch of the type mentioned above (DE-AS 1 245 622), the conductor tracks are arranged, for example, as a printed circuit on only one ring sliding track run over by a single sliding contact. In addition to the complicated path guidance for the power supply line, this has the disadvantage that the adjacent radial contact strips lying on the ring sliding path are bridged by only one grinder, which can lead to impurities when making contact.

Der Erfindung liegt daher die Aufgabe zugrunde, einen Codierschalter der obengenannten Art dahingehend zu verbessern, daß bei einfachem und räumlich gedrängtem Aufbau gute Auflageflächen des Schleifers an den Leiterbahnen gewährleistet sind und daß die Betätigung des Codierschalters ohne zusätzliche Antriebsmittel möglich ist. Dies wird auf einfache Weise dadurch erreicht, daß die Leiterbahnen koaxial zueinander auf unterschiedlichen Kreisringen liegen und der Schleifer fingerförmig diesen Kreisringen angepaßt am dem Drehpunkt abgewandten Ende mit einer Handhabe versehen ist. Durch die fingerförmige Ausbildung des Schleifers ist es möglich, für jede einzelne Kontaktbahn den gewünschten Kontaktdruck zu gewährleisten. Die Handhabe kann in Form einer Ausbauchung hergestellt werden, in die ein Bleistift oder dergl. eingesetzt wird. Um ein unbeabsichtigtes Verstellen der eingestellten Zahlen zu vermeiden ist es vorteilhaft, wenn im Bereich der Handhabe ein Rastansatz am Schleifer vorgesehen ist, der mit Rastausnehmungen an der Leiterplatte in Verbindung bringbar ist. Der Rastansatz kann durch das abgebogene abgerundete Ende des Schleifers gebildet werden. Um einen zweistelligen Codierschalter praktisch auf gleichem Raum unterbringen zu können ist es vorteilhaft, wenn die zu brückenden Leiterbahnen auf Halbkreisringen liegen und mit der Drehpunktszuleitung zwei Schleifer zur Bildung zweier Dekaden leitend verbunden sind. Werden die Schleifer kammförmig mit abgekröpften Kammzinken, deren Enden die Kontaktstellen bilden, ausgebildet und liegt der Drehpunkt in dem nach Kammzinkenart verlängerten Steg, wobei vorteilhafterweise auch die Stegverlängerung abgekröpft ist, so können sich die beiden Schleifer überdecken, d.h. der eine Schleifer steht in Nullstellung und der andere in Stellung 9, ohne dabei am Kreisumfang Kontaktstellen zu verlieren. Für die Herstellung des Schleifers hat es sich als vorteilhaft erwiesen, wenn er als Stanzbiegeteil aus CuBe hergestellt ist.The invention is therefore based on the object of improving a coding switch of the type mentioned above in such a way that, with a simple and spatially compact structure, good contact surfaces of the grinder on the conductor tracks are ensured and that the actuation of the coding switch is possible without additional drive means. This is achieved in a simple manner in that the conductor tracks lie coaxially with one another on different circular rings and the grinder is finger-shaped to match these circular rings and is provided with a handle at the end remote from the pivot point. The finger-shaped design of the grinder makes it possible to ensure the desired contact pressure for each individual contact path. The handle can be made in the form of a bulge in which a pencil or the like. is used. In order to avoid inadvertent adjustment of the set numbers, it is advantageous if a catch on the grinder is provided in the area of the handle, which can be connected to catch recesses on the circuit board. The locking lug can be formed by the bent rounded end of the grinder. In order to be able to accommodate a two-digit coding switch practically in the same space, it is advantageous if the conductor tracks to be bridged lie on semicircular rings and two wipers are conductively connected to the pivot point line to form two decades. If the grinders are comb-shaped with cranked comb teeth, the ends of which form the contact points, and the fulcrum lies in the web that is extended in the manner of the comb teeth, and advantageously the web extension is also cranked, the two grinders can overlap, i.e. one grinder is in the zero position and the other in position 9 without losing contact points on the circumference of the circle. For the manufacture of the grinder, it has proven to be advantageous if it is made from CuBe as a stamped and bent part.

Anhand der Zeichnung wird ein Ausführungsbeispiel gemäß der Erfindung beschrieben und die Wirkungsweise näher erläutert.An exemplary embodiment according to the invention is described with reference to the drawing and the mode of operation is explained in more detail.

Es zeigen

  • Fig. 1 die mit den Leiterbahnen versehene Leiterplatte als Teilansicht,
  • Fig. 2 einen der beiden Schleifer in Draufsicht,
  • Fig. 3 den Schleifer nach Fig. 2 in Seitenansicht.
Show it
  • 1 is a partial view of the printed circuit board provided with the conductor tracks,
  • 2 one of the two grinders in plan view,
  • Fig. 3 shows the grinder of FIG. 2 in side view.

Der in der Zeichnung dargestellte Codierschalter besteht aus der Leiterplatte 1, auf der die Leiterbahnen 2, 3, 4, 5 bzw. 6, 7, 8, 9 in Form einer gedruckten Schaltung aufgebracht sind. Die Leiterplatte 1 kann hier Teil einer ohnehin vorhandenen Relaisleiterplatte sein. Die Leiterbahn 10 dient der Zuleitung zu den Schleifern 11 und 12. Die Leiterbahnen 3 und 7 sowie 4 und 6 liegen auf koaxialen Kreisringen zu den Leiterbahnen 2 und 5 und 8 und 9 bzw. zur Zuleitungsleiterbahn 10. Wie die Fig. 1 zeigt, liegen die Leiterbahnen 2 bis 5 auf dem einen Halbkreis und die Leiterbahnen 6 bis 9 auf dem anderen Halbkreis der Leiterplatte 1, so daß zwei gleichartig ausgebildete Schleifer 11 und 12 mit den getrennten Leiterbahnen in Verbindung gebracht werden können. Die Schleifer 11 und 12 sind mit Fingern 13 versehen - im vorliegenden Beispiel 3 -. Die Finger bilden die Kammzinken, die durch den Steg 14 verbunden sind. Die Öffnung 15 in einer abgewinkelten Stegverlängerung 16 dient zum Einführen eines Rohrnietes 17, der in das Mittelloch 18 der Leiterplatte 1 eingeführt, zum drehbeweglichen Haltern der Schleifer 11 und 12 bestimmt ist. Die die Öffnung 15 umgebenden Teile 19 des Schleifers können hierbei zur besseren Kontaktgabe vorteilhafterweise gewellt ausgeführt werden. Sowohl die Stegverlängerung 16 als auch die Finger 13 in sich sind abgekröpft, so daß der Steg 14 über die auf den Leiterbahnen aufliegenden Kontaktfinger greifen kann, ohne daß hierbei Kontakte geschlossen werden. Der Steg 14 endet, wie die Fig. 2 zeigt, in einer Handhabe 20, die durch Ausnehmungen 21, 22 gebildet ist und beim Stanzen des Schleifers ohne Mehraufwand herstellbar sind, wobei die Ausnehmung 22 zusätzlich zum Ablesen der eingestellten Ziffern dient. Um den Schleifer in der entsprechenden Stellung verrasten zu können, kann es vorteilhaft sein - wie in Fig. 3 gestrichelt dargestellt -, das die Handhabe 20 bildende freie Ende des Schleifers abzurunden und abzuwinkeln, so daß die den Rastansatz bildende Abwinkelung 23 in auf der Leiterplatte 1 vorgesehene Rastausnehmungen 24 einrasten kann. Die ringförmig angeordneten Rastausnehmungen 24 können bei der Leiterplattenherstellung im Bohrautomaten hergestellt werden, ohne daß hierbei bedeutende Mehrkosten entstehen.The coding switch shown in the drawing consists of the circuit board 1, on which the conductor tracks 2, 3, 4, 5 and 6, 7, 8, 9 are applied in the form of a printed circuit. The circuit board 1 can here be part of an existing relay circuit board. The conductor track 10 is used for supply to the grinders 11 and 12. The conductor tracks 3 and 7 and 4 and 6 lie on coaxial circular rings to the conductor tracks 2 and 5 and 8 and 9 or to the supply conductor track 10. As shown in FIG. 1, the conductor tracks 2 to 5 on one semicircle and the conductor tracks 6 to 9 on the other semicircle of the printed circuit board 1, so that two identical sliders 11 and 12 can be connected to the separate conductor tracks. The grinders 11 and 12 are provided with fingers 13 - in the present example 3 -. The fingers form the comb teeth, which are connected by the web 14. The opening 15 in an angled web extension 16 serves to insert a tubular rivet 17, which is inserted into the center hole 18 of the printed circuit board 1 and is intended for rotatably holding the grinders 11 and 12. The parts 19 of the grinder surrounding the opening 15 can advantageously be of corrugated type for better contact. Both the web extension 16 and the fingers 13 are cranked off, so that the web 14 can grip over the contact fingers resting on the conductor tracks without any contacts being closed. The web 14 ends, as shown in FIG. 2, in a handle 20, which is formed by recesses 21, 22 and can be produced without additional effort when punching the grinder, the recess 22 also serving for reading the set digits. In order to be able to lock the grinder in the corresponding position, it can be advantageous - as shown in broken lines in FIG. 3 - to round off and bend the free end of the grinder which forms the handle 20, so that the angled portion 23 forming the locking projection in on the printed circuit board 1 provided recesses 24 can snap into place. The annular recesses 24 can be used in the manufacture of printed circuit boards can be produced in automatic drills without incurring any significant additional costs.

Der erfindungsgemäße Codierschalter ist eine äußerst preisgünstige Ausführung, die insbesondere auch bei kleinen Abmessungen und gelegentlicher Verstellung geeignet ist. Sie ist flächenhaft praktisch in eine gedruckte Schaltung integrierbar und ohne oder mit Rastung ausführbar. Sie bietet Platz für zwei Dekaden auf einer Kreisfläche und ist einseitig bedien- und die Stellung erkennbar.The coding switch according to the invention is an extremely inexpensive version, which is particularly suitable even with small dimensions and occasional adjustment. It can be practically integrated into a printed circuit and can be implemented with or without a catch. It offers space for two decades on a circular area and can be operated from one side and the position can be recognized.

Claims (6)

1. Codierschalter mit mehreren, auf einer Leiterplatte angeordneten, von einem Schleifer überbrückbaren, kreisringförmig angeordneten Leiterbahnen, dadurch gekennzeichnet , daß die Leiterbahnen (2 bis 9) koaxial zueinander auf unterschiedlichen Kreisringen liegen und der Schleifer (11, 12) fingerförmig diesen Kreisringen angepaßt am dem Drehpunkt abgewandten Ende mit einer Handhabe (20) versehen ist.1. coding switch with a plurality of arranged on a printed circuit board, bridged by a grinder, arranged in a ring-shaped conductor tracks, characterized in that the conductor tracks (2 to 9) are coaxial to each other on different circular rings and the grinder (11, 12) finger-shaped adapted to these circular rings the fulcrum end is provided with a handle (20). 2. Codierschalter nach Anspruch 1, dadurch gekennzeichnet , daß im Bereich der Handhabe (20) ein Rastansatz (23) am Schleifer (11, 12) vorgesehen ist, der mit Rastausnehmungen (24) an der Leiterplatte (1) in Verbindung bringbar ist.2. Coding switch according to claim 1, characterized in that in the region of the handle (20) a locking projection (23) on the grinder (11, 12) is provided, which can be connected to locking recesses (24) on the circuit board (1). 3. Codierschalter nach Anspruch 1 oder 2, dadurch gekennzeichnet , daß die zu brückenden Leiterbahnen (2 bis 5, 6 bis 9) auf Halbkreisringen liegen und mit der Drehpunktszuleitung (10, 17) zwei Schleifer (11, 12) zur Bildung zweier Dekaden leitend verbunden sind.3. Coding switch according to claim 1 or 2, characterized in that the conductor tracks to be bridged (2 to 5, 6 to 9) lie on semicircular rings and with the fulcrum lead (10, 17) two grinders (11, 12) to form two decades conductive are connected. 4. Codierschalter nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet , daß die Schleifer (11, 12) kammförmig mit abgekröpften Kammzinken (13), deren Enden die Kontaktstellen bilden, ausgebildet sind und der Drehpunkt (17) in dem nach Kammzinkenart verlängerten Steg (16) liegt.4. Coding switch according to claim 1, 2 or 3, characterized in that the grinders (11, 12) are comb-shaped with cranked comb prongs (13), the ends of which form the contact points, and the pivot point (17) in the web, which is extended according to the comb prong type (16) lies. 5. Codierschalter nach Anspruch 4, dadurch gekennzeichnet , daß auch die Stegverlängerung (16) abgekröpft ist.5. coding switch according to claim 4, characterized in that the web extension (16) is bent. 6. Codierschalter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet , daß der Schleifer (11, 12) als Stanzbiegeteil aus CuBe hergestellt ist.6. Coding switch according to one of the preceding claims, characterized in that the grinder (11, 12) is made as a stamped and bent part made of CuBe.
EP81108378A 1980-10-28 1981-10-15 Code switch Withdrawn EP0050804A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3040546A DE3040546C2 (en) 1980-10-28 1980-10-28 Coding switch
DE3040546 1980-10-28

Publications (2)

Publication Number Publication Date
EP0050804A2 true EP0050804A2 (en) 1982-05-05
EP0050804A3 EP0050804A3 (en) 1983-03-09

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ID=6115341

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81108378A Withdrawn EP0050804A3 (en) 1980-10-28 1981-10-15 Code switch

Country Status (3)

Country Link
US (1) US4390757A (en)
EP (1) EP0050804A3 (en)
DE (1) DE3040546C2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
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EP0148328A2 (en) * 1983-10-05 1985-07-17 Alcatel N.V. Electrical switch with fixed contacts formed by parts of conductive tracks
GB2215520A (en) * 1988-03-03 1989-09-20 Parkinson Cowan Appliances Ltd Control mechanism
EP0612088A2 (en) * 1993-02-15 1994-08-24 DIEHL GMBH & CO. Function selector
EP1032007A2 (en) * 1999-02-26 2000-08-30 Siemens Aktiengesellschaft Encoding switch with a rotatable switch member

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US4454396A (en) * 1982-06-03 1984-06-12 Gte Automatic Electric Inc. Electrical switch for thick/thin film circuits
FR2530377B1 (en) * 1982-07-16 1986-01-03 Portenseigne LINK BETWEEN SEVERAL PARALLEL TRACKS AND A COMMON TRACK
JPS6111226U (en) * 1984-06-26 1986-01-23 小島プレス工業株式会社 Connector-directly connected fan selector switch for vehicle interior air conditioning equipment
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US5027021A (en) * 1987-08-14 1991-06-25 Asmo Co., Ltd. Electric actuator switch with multiple brushes
JPH01169825A (en) * 1987-12-25 1989-07-05 Aisin Aw Co Ltd Position sensing switch for automatic transmission
JP2556126Y2 (en) * 1991-09-13 1997-12-03 旭光学工業株式会社 Camera operation parts
US5386454A (en) * 1993-08-18 1995-01-31 Remote Switch Systems, Inc. Remotely controlled multiple pair telephone pedestal/building terminal
US5491312A (en) * 1994-09-19 1996-02-13 United Technologies Automotive, Inc. Combination wash/wiper contact subassembly
US5570777A (en) * 1995-08-04 1996-11-05 Paragon Electric Company, Inc. Circuit board mounted switch assembly
DE10053303A1 (en) * 2000-10-27 2002-05-16 Bosch Gmbh Robert Contact disk system and method for controlling a wiper motor
DE10241868A1 (en) * 2001-09-11 2003-03-27 Marquardt Gmbh Direct digital control switch for motorized power tool, encodes discrete trigger positions for transmission to controller determining motor operation
DE102004032982B4 (en) * 2004-07-08 2006-09-21 Behr-Hella Thermocontrol Gmbh Adjusting device for an operating unit of a vehicle component, in particular of the control unit of a vehicle air conditioning system
JP2013114886A (en) * 2011-11-29 2013-06-10 Hosiden Corp Movable contact and contact structure with the same
US8878089B2 (en) * 2012-10-18 2014-11-04 Sigmatron International, Inc. Twist mount rotary selector switch

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0148328A2 (en) * 1983-10-05 1985-07-17 Alcatel N.V. Electrical switch with fixed contacts formed by parts of conductive tracks
EP0148328A3 (en) * 1983-10-05 1988-03-23 Alcatel N.V. Electrical switch with fixed contacts formed by parts of conductive tracks
GB2215520A (en) * 1988-03-03 1989-09-20 Parkinson Cowan Appliances Ltd Control mechanism
EP0612088A2 (en) * 1993-02-15 1994-08-24 DIEHL GMBH & CO. Function selector
EP0612088A3 (en) * 1993-02-15 1995-09-06 Diehl Gmbh & Co Function selector.
EP1032007A2 (en) * 1999-02-26 2000-08-30 Siemens Aktiengesellschaft Encoding switch with a rotatable switch member
EP1032007A3 (en) * 1999-02-26 2001-05-23 Siemens Aktiengesellschaft Encoding switch with a rotatable switch member

Also Published As

Publication number Publication date
DE3040546C2 (en) 1983-04-07
US4390757A (en) 1983-06-28
DE3040546A1 (en) 1982-05-13
EP0050804A3 (en) 1983-03-09

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