EP0175071B1 - Steuersignalgeber - Google Patents

Steuersignalgeber Download PDF

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Publication number
EP0175071B1
EP0175071B1 EP85107971A EP85107971A EP0175071B1 EP 0175071 B1 EP0175071 B1 EP 0175071B1 EP 85107971 A EP85107971 A EP 85107971A EP 85107971 A EP85107971 A EP 85107971A EP 0175071 B1 EP0175071 B1 EP 0175071B1
Authority
EP
European Patent Office
Prior art keywords
control signal
signal generator
set forth
sensors
actuating body
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
Application number
EP85107971A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0175071A1 (de
Inventor
Kurt Oelsch
Klaus Schulz
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.)
FERNSTEUERGERAETE KURT OLESCH GMBH TE BERLIJN, BON
Original Assignee
OELSCH KG
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 DE19843431523 external-priority patent/DE3431523A1/de
Priority claimed from DE19853506293 external-priority patent/DE3506293A1/de
Application filed by OELSCH KG filed Critical OELSCH KG
Priority to AT85107971T priority Critical patent/ATE32784T1/de
Publication of EP0175071A1 publication Critical patent/EP0175071A1/de
Application granted granted Critical
Publication of EP0175071B1 publication Critical patent/EP0175071B1/de
Expired legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
    • G05G9/02—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only
    • G05G9/04—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously
    • G05G9/047—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
    • G05G9/02—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only
    • G05G9/04—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously
    • G05G9/047—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
    • G05G2009/04703—Mounting of controlling member
    • G05G2009/04714—Mounting of controlling member with orthogonal axes
    • G05G2009/04718—Mounting of controlling member with orthogonal axes with cardan or gimbal type joint
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
    • G05G9/02—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only
    • G05G9/04—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously
    • G05G9/047—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
    • G05G2009/0474—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks characterised by means converting mechanical movement into electric signals
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
    • G05G9/02—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only
    • G05G9/04—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously
    • G05G9/047—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
    • G05G2009/0474—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks characterised by means converting mechanical movement into electric signals
    • G05G2009/04755—Magnetic sensor, e.g. hall generator, pick-up coil

Definitions

  • control signal transmitters of this type have mechanical transmission elements articulated on the control lever, via which the sensor means are controlled.
  • Known control signal transmitters are subject to wear by such mechanical transmission elements or even — in rough operation, for. B. in construction vehicles exposed to the risk of damage.
  • the known control signal transmitters have relatively large dimensions for design reasons.
  • control devices with a two-dimensionally adjustable control lever are known, by means of which two different functions can be controlled simultaneously.
  • the movement of the control lever is transmitted to control elements in the form of code plates or the like via mechanical transmission means.
  • the movements of these code plates are photoelectrically scanned by light barriers.
  • the invention has for its object to provide a control signal transmitter of the type mentioned so that wear and the risk of damage in operation is largely avoided, the structure is simplified and the dimensions are reduced.
  • the signal is generated by contactless scanning of a scanning body attached to the control lever by proximity sensors. Mechanical transmission links between the control lever and the sensor means are then omitted. The scanning takes place without contact and thus practically without wear. The risk of mechanical damage, for example if an excessive force is exerted on the control lever by the user, is avoided. The structure becomes easier. The omission of the mechanical transmission elements results in a shorter construction for the control signal transmitter.
  • Proximity sensors are known in various forms. For example, inductive, capacitive or magnetic proximity sensors can be used.
  • control lever It is necessary to tie the control lever to its central position. When the control lever is released, it should return to its central position and be held securely in this position. The bondage must also allow the control lever to be adjusted in both directions with a control lever of the present type. The user should be able to recognize from the force to be applied to the control lever to what extent the control lever is deflected and whether the deflection takes place in one or the other direction or in an intermediate direction.
  • control lever In known control signal transmitters of the present type, the control lever is tied to a central position by prestressed springs which act directly on the control lever to counteract each other on opposite sides.
  • prestressed springs which act directly on the control lever to counteract each other on opposite sides.
  • the spring members are not pre-tensioned between the base part and the control lever, but between the base part and support surfaces also attached to the base part.
  • the control lever is held with the surfaces attached to it between the spring members with little or no play.
  • the control lever is deflected, one of the surfaces engages non-positively on one of the spring members.
  • a deformation of this spring member which would allow an actuating movement of the control lever, takes place only when the bias of the spring member is overcome.
  • a prestressed spring member diametrically opposite the preformed spring member remains completely uninvolved in this process. There is no compensation for pre-tension on the control lever.
  • the control signal transmitter contains a control lever 10, which is pivotably supported on all sides relative to a base part 16 by a pivot bearing 12 in the form of a universal joint around a pivot point 14.
  • First sensor means 18 are provided, which respond to the deflection of the control lever 10 in a first direction, from left to right in FIG. 2, and deliver a first control signal
  • second sensor means 20 which respond to the deflection of the control lever 10 in a second Direction, from bottom to top in Fig. 2, respond and deliver a second control signal.
  • a scanning body in the form of a plate 22 is attached to the control lever 10 around the pivot bearing 12.
  • the sensor means 18 and 20 are formed by proximity sensors which sit in the base part and respond to the movement of the plate 22 about the pivot point 14.
  • the plate 22 consists of ferromagnetic material.
  • the proximity sensors 18 and 20 are formed by pairs of pot core coils 26, 28 and 30, 32 which are diametrically opposed to one another with respect to the pivot point 14, the stray fields of which can be changed by the plate 22.
  • the resulting changes in the inductances of the opposing pot core coils caused by a deflection of the control lever 10 and the plate 22 can, for example, be converted into an electrical output signal in the manner of DE-OS 22 61 379 or DE-OS 32 12 149.
  • the plate 22 has on its side facing the base part 16 a conical ring surface 34 which interacts with the proximity sensors 18, 20.
  • the base part has, on its surface facing the plate 22, an annular region 36 which is corrugated in the circumferential direction and has four wave troughs 38 which are offset by 90 ° relative to one another.
  • the proximity sensors 18 and 20 with the pot core coils 26, 28 and 30, 32 are also each offset by 90 ° relative to one another between the wave troughs.
  • This design has the following meaning: If the control lever 10, as indicated by an arrow in the right part of FIG. 1, is deflected directly towards one of the pot core coils 28, then the conical surface 34 directly approaches the pot core coil 28 until the conical surface 34 lies substantially tangentially in the region of the pot core coil 28 on the ring region 36.
  • the plate 22 with the conical ring surface 34 would tangentially between the pot core coils z.
  • the control lever 10 is deflected at 45 ° to the proximity sensors 18 and 20. B. 26 and 30 and in the area of the pot core coils 26 and 30 themselves have a considerable distance from the surface of the ring region 36. The signals would then be correspondingly weaker. Due to the wavy design of the ring region 36, the conical ring surface 34 of the plate 22 can nestle into the wave valleys in this 45 ° position, and thus a closer approximation of the conical ring surface 34 to the pot core coils, e.g. B. 26 and 30, the proximity sensors 18 and 20 can be achieved.
  • the base part 16 consists of non-magnetic material.
  • the control lever 10 is mounted on the base part 16 via a universal joint.
  • the proximity sensors 18, 20 are arranged in the ring area 36 around the universal joint in the base part.
  • a collar 40 is provided on the base part around the ring region 36.
  • a rubber sleeve 42 of conical basic shape sits with its wide end 44 on the collar and is fastened with its narrow end 46 to the control lever 10. This results in a simple and robust construction, the movable mechanical parts of which are sealed off from the outside.
  • the proximity sensors 18 and 20 simultaneously take on the function of carrying out this closed space.
  • the electrical signals from the proximity sensors 18 and 20 are processed in an electronic part 48 located under the base part 16.
  • the plate can be made of non-magnetic material. Permanent magnets can then be inserted into the plate.
  • the proximity sensors are then designed as magnetic field sensitive sensors.
  • the proximity sensors can be designed as field plates or as Hall sensors.
  • the proximity sensors can also be magnetoresistive sensors.
  • the plate can also be made of non-magnetic material, inserts made of soft magnetic material being provided in the plate.
  • the proximity sensors can be formed by induction coils instead of pot core coils.
  • the proximity sensors can also be capacitive or other suitable sensors.
  • Support surfaces 58 are formed on the base part 16. Furthermore, 16 spring members 60 are attached to the base part, which bear against the bearing surface 58 with a prestress.
  • the spring members 60 extend with holding bodies 62 over surfaces 64 attached to the control lever 10, which engage the spring members 60 non-positively when the control lever 10 is deflected.
  • the spring members 60 have, in a regular arrangement around the control lever 10, radially arranged, elongated holding bodies 62, which engage with their free ends over the plate 22 attached to the control lever 10. As can be seen from FIG. 2, two pairs of diametrically opposed spring members 60 are provided, which are distinguished in FIG. 2 as 60A, 60B and 60C, 60D.
  • One of these pairs 60A, 60B is aligned with its holding bodies in the above-mentioned first direction X, i. H. lies essentially in the paper plane of FIG. 1.
  • the other of these pairs is oriented with its holding bodies in the second direction Y mentioned above, that is to say perpendicular to the paper plane of FIG. 1, as can also be seen from FIG. 2.
  • each of the spring members 60A, 60B, 60C and 60D has a prestressed leaf spring 66A, 66B, 66C and 66D fastened to the base body 16. These leaf springs 66A, 66B, 66C and 66D extend in an arc around the plate 22. Furthermore, each of the spring members 60 is loaded by an additional, preloaded leaf spring 78 fastened to the base body 16.
  • the holding bodies 62 are formed by spring plate parts which are V-shaped in cross section and which are formed on the end of the leaf springs 66 and rest with their central edge 68 on the bearing surface 58.
  • the base part 16 forms a collar 40 which is arranged coaxially with the axis 72 of the control lever 10 (when the control lever 10 is in its central position).
  • the annular end face of this collar 40 forms the bearing surfaces 58.
  • the plate 22 has, as the surface 64 mentioned above, a flat ring surface which lies essentially in the plane of the said end face of the collar 40. A tolerance of 0 to 0.2 millimeters can be set in between.
  • the spring members 60 engage with their holding bodies 62 over this flat ring surface with little play determined by this tolerance.
  • Each of the additional leaf springs 78 is fastened at one end to the end face of the collar 40 by screws 74A to 74D. It extends in each case over approximately 90 ° over the end face and lies with the other end on an outer edge 76A, 76B, 76C or 76D of a v-shaped holding member 62A, 62B, 62C or 62D.
  • control lever 10 This secure mounting of the control lever 10 in the central position is of particular importance for a control signal transmitter of the present type, in which the movement of the control lever 10 is sensed without contact. No other supporting or restoring forces then act on the control lever 10 apart from the spring restraint, so that the control lever 10 is particularly susceptible to external interference.
  • the contactless scanning can also be carried out very sensitively, so that even short distances deliver a noticeable control signal.
  • control lever 10 If the control lever 10 is pivoted in a direction lying between the first and the second direction X or Y, which leads to the simultaneous generation of first and second control signals, then two spring elements, z. B. 60A and 60D, are deformed. This is noticeable to the user as increased resistance. The user can therefore feel the first and the second direction, in which only one signal is generated, by the fact that there is minimal resistance to the displacement in each of these directions.
  • Fig. 5 shows on an enlarged scale the structure of the pot core coils 26, etc.
  • the pot core coil 26 contains a ferrite core 80 which has an annular disk-shaped bottom 82 and an inner and an outer cylindrical collar 84 and 86, respectively.
  • the winding 88 of the pot core coil 26 is seated in the annular space thus formed.
  • the pot core coil 26 is seated in a cylindrical housing 90 which has a transverse slot 92 on one side and an inwardly projecting edge 94 on the other side.
  • the end face of the outer collar 86 abuts the edge 94.
  • the collar 86 is pressed resiliently against this edge 94 by a rubber-elastic ring 96, which lies against the base 82.
  • the ring 96 is supported on an annular disk 98.
  • the annular disc 98 is held by a snap ring 100, which engages in a groove 102 in the inner wall of the housing 90. In this way, the pot core coil 26 is always held in a precisely defined position in the housing 90.
  • the housing 90 is screwed into the base part 16 with a thread 106.
  • FIG. 6 schematically shows the spatial and circuit arrangement of the pot core coils 26, 28 and 30, 32, respectively.
  • the pot core coils 26 and 28 are connected in series and are connected to an alternating voltage which is connected to terminals 108, 110.
  • the diodes 116 and 118 are connected in such a way that the capacitors 112 and 114 each have the same polarity with respect to the common connection point 120 are charged and the difference between the capacitor voltages is tapped between output terminals 122, 124.
  • Resistors 126 and 128 are connected in parallel with each of capacitors 112 and 114.
  • both pot core coils 26 and 28 form a voltage divider.
  • the proportion of the alternating voltage dropping at each of the pot core coils 26 and 28 depends on the inductance of the pot core coils 26 and 28. These inductances are influenced in opposite directions when the control lever 10 is deflected by the plate 22.
  • the alternating voltages dropping at the pot core coils 26 and 28 are rectified by the diodes 116 and 118 and charge the capacitors 112 and 114.
  • both capacitors 112 and 114 are charged to the same voltage. The voltage between the output terminals 122 and 124 then becomes zero.
  • air coils 130, 132, 134, 136, d. H. Coils without a ferromagnetic core are used.
  • the air coils 130, 132, 134 and 136 are offset by 90 ° relative to one another on a common ring 138 made of soft magnetic material.
  • the ring forms a magnetic yoke and poles the air coils. This arrangement has the advantage that there is better temperature behavior than with the pot core coils because the ring 138 behaves the same for all four coils 130 to 136.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Switches With Compound Operations (AREA)
  • Mechanical Control Devices (AREA)
  • Position Input By Displaying (AREA)
EP85107971A 1984-08-28 1985-06-27 Steuersignalgeber Expired EP0175071B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85107971T ATE32784T1 (de) 1984-08-28 1985-06-27 Steuersignalgeber.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19843431523 DE3431523A1 (de) 1984-08-28 1984-08-28 Steuersignalgeber
DE3431523 1984-08-28
DE19853506293 DE3506293A1 (de) 1985-02-22 1985-02-22 Steuersignalgeber mit auslenkbarem steuerhebel
DE3506293 1985-02-22

Publications (2)

Publication Number Publication Date
EP0175071A1 EP0175071A1 (de) 1986-03-26
EP0175071B1 true EP0175071B1 (de) 1988-03-02

Family

ID=25824225

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85107971A Expired EP0175071B1 (de) 1984-08-28 1985-06-27 Steuersignalgeber

Country Status (4)

Country Link
US (1) US4654576A (ja)
EP (1) EP0175071B1 (ja)
JP (1) JPH0610945B2 (ja)
DE (1) DE3561765D1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3916570A1 (de) * 1989-05-22 1990-11-29 Oelsch Fernsteuergeraete Steuersignalgeber

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3831881C1 (en) * 1988-09-20 1990-02-01 Oelsch Kg, 1000 Berlin, De Control signal transmitter
DE3901841C2 (de) * 1989-01-23 1997-03-20 Aeg Sensorsysteme Gmbh Vorrichtung zur Erzeugung mindestens einer Meßgröße, die von der Auslenkung eines gegen die Wirkung einer Rückstellkraft aus einer Ruhelage auslenkbaren Kopfteils eines Körpers abhängt
NO178169C (no) * 1989-05-22 1996-01-31 Fernsteuergerate Kurt Oelsch O Styresignalgiver
US5224589A (en) * 1990-01-31 1993-07-06 Kabushiki Kaisha Komatsu Seisakusho Operating lever device
GB2256050A (en) * 1991-05-16 1992-11-25 David Alick Burgoyne Transducer using hall effect sensor
US5421694A (en) * 1993-05-20 1995-06-06 Caterpillar Inc. Non-contacting joystick
GB2290600A (en) * 1994-06-22 1996-01-03 Penny & Giles Electronic Compo Joystick assembly
DE4423065C2 (de) * 1994-07-01 1999-04-22 Asg Luftfahrttechnik Und Senso Vorrichtung zur Erzeugung einer von der Auslenkung eines Körpers abhängigen Meßgröße
US5576704A (en) * 1994-12-01 1996-11-19 Caterpillar Inc. Capacitive joystick apparatus
US5492099A (en) * 1995-01-06 1996-02-20 Caterpillar Inc. Cylinder fault detection using rail pressure signal
DE19511436A1 (de) * 1995-03-29 1996-10-02 Oelsch Fernsteuergeraete Steuersignalgeber zur Erzeugung mehrerer Steuersignale mittels eines einzigen Steuerhebels
US5598090A (en) * 1995-07-31 1997-01-28 Caterpillar Inc. Inductive joystick apparatus
WO1998035315A2 (en) 1997-02-08 1998-08-13 Jackson Technology Limited A positional device
US5911627A (en) 1997-10-23 1999-06-15 Logitech, Inc. Electromagnetic joystick using varying overlap of coils and conductive elements
DE19861143B4 (de) * 1998-08-21 2006-11-02 ITT Manufacturing Enterprises, Inc., Wilmington Joystick
JP3791221B2 (ja) * 1999-01-21 2006-06-28 株式会社ソニー・コンピュータエンタテインメント 抵抗力発生装置及びそれを備えた操作装置
US6501458B2 (en) 1999-06-30 2002-12-31 Caterpillar Inc Magnetically coupled input device
US6480183B1 (en) 1999-07-23 2002-11-12 Logitech Europe S.A. Digital joystick using capacitive sensor
GB2416826A (en) * 2004-08-06 2006-02-08 P G Drives Technology Ltd Control input device with two magnetic sensors for fail-safe sensing
EP1797496B1 (en) * 2004-09-27 2009-07-15 Nxp B.V. Magnetic sensor for input devices
EP1980928B1 (de) * 2007-04-14 2012-01-11 Delphi Technologies, Inc. Elektrischer Schalter
JP5080394B2 (ja) * 2008-07-31 2012-11-21 株式会社東海理化電機製作所 レバースイッチ装置
CN103411526B (zh) * 2013-08-01 2016-06-08 国电南京自动化股份有限公司 断路器在线检测传感器
CN105232249B (zh) * 2015-10-12 2017-04-12 镇江领航电子科技有限公司 用于电动轮椅的摇杆
KR102508193B1 (ko) * 2016-10-31 2023-03-10 삼성전자주식회사 입력장치 및 이를 갖는 디스플레이 장치
EP3367205A1 (de) * 2017-02-24 2018-08-29 RAFI GmbH & Co. KG Steuer-vorrichtung

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US3331972A (en) * 1964-04-15 1967-07-18 Bodenseewerk Perkin Elmer Co Magnetic control stick system
DE2261379A1 (de) * 1972-12-15 1974-07-25 Oelsch Fernsteuergeraete Induktiver weggeber
CA1184624A (en) * 1982-01-13 1985-03-26 Yoshimitsu Ishitobi Joystick controller using magnetosensitive elements with bias magnets
GB2127134A (en) * 1982-08-13 1984-04-04 Bally Mfg Corp Interactive joystick
US4489303A (en) * 1983-06-03 1984-12-18 Advanced Control Systems Contactless switch and joystick controller using Hall elements

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3916570A1 (de) * 1989-05-22 1990-11-29 Oelsch Fernsteuergeraete Steuersignalgeber

Also Published As

Publication number Publication date
JPS6168817A (ja) 1986-04-09
EP0175071A1 (de) 1986-03-26
JPH0610945B2 (ja) 1994-02-09
DE3561765D1 (en) 1988-04-07
US4654576A (en) 1987-03-31

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