US3795882A - Coordinated control device for variable resistors - Google Patents

Coordinated control device for variable resistors Download PDF

Info

Publication number
US3795882A
US3795882A US00326194A US3795882DA US3795882A US 3795882 A US3795882 A US 3795882A US 00326194 A US00326194 A US 00326194A US 3795882D A US3795882D A US 3795882DA US 3795882 A US3795882 A US 3795882A
Authority
US
United States
Prior art keywords
variable resistors
crosspieces
crosspiece
set forth
resistor element
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
US00326194A
Other languages
English (en)
Inventor
T Tokubo
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.)
Teikoku Tsushin Kogyo Co Ltd
Original Assignee
Teikoku Tsushin Kogyo Co Ltd
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 Teikoku Tsushin Kogyo Co Ltd filed Critical Teikoku Tsushin Kogyo Co Ltd
Application granted granted Critical
Publication of US3795882A publication Critical patent/US3795882A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • G05G2009/04707—Mounting of controlling member with ball 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
    • G05G2009/04748—Position sensor for rotary movement, e.g. potentiometer

Definitions

  • ABSTRACT A device for coordinatedly controlling a plurality of variable resistors so as to achieve a desired combination of a plurality of variable resistors, said device comprising a first horizontal crosspiece having a lengthwise slot and a lateral plate perpendicular to the length of the crosspiece per se at each end thereof and second crosspiece having the similar slot and lateral plates the underside of which is partly on the same level as the underside of the first crosspiece when it is mounted on the second crosspiece, the two crosspieces being arranged crosswise and being moved relatively on a plane so that their movement moves a plurality of wipers so as to wipe the corresponding resistor elements.
  • This invention relates to a device for coordinately controlling a plurality of variable resistors to create any desired combination of resistances. More particularly, this invention provides a small-sized device with simple compact structure having a single handle for coordinated control of a plurality of variable resistors.
  • a typical device of the prior art comprises a control stick or lever supported by a ball-and-socket joint which allows the nutation (joystick movement) of the lever, and two U-shaped bridge-like supporters or bridge members having a lengthwise slot which are pivotably supported horizontally at right angles in a gyroscope-like fashion, whereby the lower end of the lever penetrates the slot of the two bridge members so that the two bridge-members swing as the lever nutates.
  • the ends of each bridge member are provided with a wiper which respectively wipes the surface of a resistor element which is placed perpendicular to the rotation or swing axis of each bridge member when the bridge member swings. In some cases, those bridge members directly contact the variable resistors.
  • the desired resistance is determined by the distance between the contact point of the wiper on the resistor element and the lead terminal of either end of the resistor element for four resistors in this case.
  • the construction of the control device of this kind is complicated and therefore is inevitably bulky and costly.
  • Another typical device of the prior art comprises a horizontally movable crosspiece having a lengthwise slot and another horizontally movable crosspiece having a lengthwise slot which is movable in a direction perpendicular to the direction of the movement of the first crosspiece, said two horizontal crosspieces being moved by means of a joystick the lower end of which is inserted in the slots of both crosspieces at the crossing thereof, and contact means provided at the end of each crosspiece which slide along a resistor element as represented by U. 5. Pat. No. 3,629,775.
  • a device comprising a plate member horizontally movable in any direction and a plurality of wipers which move in accordance with the movement of the horizontally movable plate member in engagement therewith respectively maintaining contact with a resistor.
  • This device can achieve wide varieties of combination of a plurality of resistances very easily and very smoothly.
  • This device can provide more varied combinations of a plurality of resistances with less play than the devices of the prior art.
  • a simple compact device for coordinatedly controlling a plurality of variable resistors which comprises: a first horizontal crosspiece which has a lengthwise slot and a lateral plate perpendicular to the length of the crosspiece per se at each end thereof and is movable in the direction of the width thereof; a second horizontal crosspiece which has a lengthwise slot and a lateral plate perpendicular to the length of the crosspiece per se at each end thereof, is shaped such that, when it is mounted on the first crosspiece, the underside thereof is partly on the same level as the underside of the lower one, and is movable in the direction of the width thereof; said two crosspieces being arranged crosswise with the second crosspiece upon the first; a shaft which penetrates the slots of the two movable horizontal crosspieces at the crossing thereof and drives the crosspieces simultaneously in pair or all at a time; and a plurality of wipers which move in accordance with the movement of the two horizontal crosspieces maintaining contact
  • the stem or shaft may be a lever or joystick which is supported by a ball-and-socket joint at the middle thereof, the lower end penetrates the slots of the two crosspieces at the crossing thereof and the other end functions as a handle. Or it may be a short shaft provided with a knob on its upper end, which can be moved horizontally.
  • a short cylindrical or annular member is placed in the slots of the crosspieces at the crossing or intersection thereof, the lower end of the joystick that forms a small ball is inserted in this short cylindrical member, so that the crosspieces can be moved smoothly by the joystick even when it deeply nutates.
  • FIG. 1 is a partially cut-away perspective view of a preferred embodiment of the device of this invention.
  • FIG. 2 is a cross-sectional view of the device of FIG. 1.
  • FIG. 3 is a plan view of the crosspieces and the base plane of the device of FIG. 1, partially showing the wip- BI'S.
  • FIG. 4 and FIG. 5 are plan views showing the positions 'of the wipers.
  • FIG. 6 is a perspective view showing construction of the wiper.
  • FIG. 7 and FIG. 8 are plan views of base plates showing other arrangements of resistor elements.
  • FIGS. 9 through 1 1 represent another embodiment of this invention.
  • FIG. 1 the above-mentioned crosspieces are shown at 4 and 5.
  • the shaft or joystick is shown at l.
  • Member 15 is the base plate and member 3 is. a housing.
  • the crosspieces are designed so that they can move in the direction of the wodth thereof guided by a pair of facing lateral walls of the housing.
  • the joystick l is supported at the middle thereof by a ball-and-socket joint 25 provided at the center of housing.
  • the ballshaped lower end of the joystick 45 is inserted into a short cylindrical or annular member, which is placed in the slots 32 and 33 of the both crosspieces 4 and 5 at the crossing thereof.
  • Each of the crosspieces has a lateral plate on each end thereof, which slides along a wall of the housing 3.
  • a lateral plate of a size as large as possible is desirable as long as the plate does not restrict the movement of the crosspieces.
  • the lateral plates ensure stabilized smooth movement of the crosspieces.
  • a resistor element is provided in a circular form not true circle in this case as shown at 31 in FIG. 1..
  • the arrangement of the resistor elements will be better understood by referring to FIG. 3 and FIG. 4.
  • Members 16, 17, 18 and 19 are lead terminals.
  • Each of the wiper consists of a finger and a finger carrier as shown in FIG. 6, in which (A) shows the finger carrier and (B) shows the finger.
  • a finger has an axis hole and a slot (or a groove) 38, and a finger is fixed to the finger carrier by a suitable means.
  • the crosspieces have a pair of protrusions respectively 34, 35 and 36, 37 on the underside thereof.
  • the pair of protrusions are usually provided at positions symmetric with respect to the center of each crosspiece. But for a specific purpose, the protrusions may be positioned asymmetrically to the center of the crosspiece.
  • the housing 3 bearing the joystick l, the crosspieces 4 and 5, a short cylindrical or annular member 6 and the base plate bearing wipers are assembled so that the each protrusion (34, 35, 36 or 37) of the crosspieces placed in the slot or groove 38 of each finger carrier (7, 8, 9 or 10), and the lower end of the joystick is inserted in the annular member 6 placed in the slots 32 and 33 of the crosspieces at the crossing thereof.
  • the base plate 15 is made of an insulating material, and a resistor circuit 31 is provided thereon by printing for instance as shown in FIG. 3, 4 or 5.
  • the finger carrier 7, 8, 9 or 10 of the wiper has protrusions 39 and 40 for instance and the finger has corresponding holes 41 and 42 as shown in FIG. 6.
  • the protrusions are to be caulked or swaged after the finger is placed on the protrusions.
  • Each of thus formed wipers 7(11), 8(12), 9(13) or 10(14) is supported by a conductive rivet 21, 22, 23 or 24 as the rotation axis.
  • the finger is pressed on both resistor element and rivet by virtue of the resiliency of the bent body thereof, and slides on the resistor element.
  • the rivets 21, 22, 23 and 24 are secured to the base plate together with a common grounding terminal 20.
  • the crosspieces are designed so that one of them can be mounted on another so as to be arranged crosswise but the underside of the upper crosspiece is partly on the same level as that of the lower one so as to be engaged with the wipers provided on a plane.
  • the crosspieces have a lateral plate on each end and it slides in the direction of the width of the crosspiece along the walls of the housing and the base plate 15.
  • the lateral plates are made of an insulating material.
  • the lateral plates are formed integrally with the crosspiece.
  • the crosspieces are provided with small protrusions 34, 35, 36 and 37 on the undersides thereof, which are respectively placed in the slot or groove 38 of the finger carriers 7, 8, 9, 10 of the wipers.
  • the range of movement of the crosspieces is determined by the length between the lower end 45 of the joystick l and the fulcrum (ball) 2 thereof, the diameter of the opening 53 of the bearing member 26 and the diameter of the part 52 of the stick 1.
  • An annular member 6 is loosely placed in the slots 32, 33 of the crosspieces at the crossing thereof, and the lower end 45 of the joystick is inserted in the annular member.
  • the fulcrum (ball) 2 of the joystick l is tightly but rotatably supported by means of bearing members 25 and 26 at the center of the top of the housing 3.
  • the crosspiece 4 moves in the direction of line Y Y' in FIG. 3, and the crosspiece 5 in line X X.
  • FIG. 4 shows the positions of the four wipers when the joystick takes its neutral position. If the joystick is nutated in the Y'-direction, the lower end 45 thereof moves in a vertical plane including the Y Y line drawing an are. But this movement is converted to a horizontal movement in the Y- direction of the crosspiece 4 through the annular member 6.
  • the four wipers will take positions as shown in FIG. 5.
  • this device is used for a four-channel or quadraphonic stereo, and the terminals 17 and 16 are connected to front speakers FS, and PS and the terminal 18 and 19 are connected to rear speakers RS, and RS respectively. Then, under the condition as explained above with respect to FIG. 4, the volumes of the front speakers are diminished while the volumes of the rear speakers are relatively changed. Under the condition represented by FIG. 5, the volume of the C corner speaker is the largest and those of the other three speakers are diminished. This means balance of volumes of the four speakers can be regulated by nutating or moving the joystick precessionally.
  • this invention has made it possible to coordinatedly control a plurality of resistors by operating a single lever or stick very smoothly without play of the working elements.
  • the device of this invention can be easily manufactured with fewer steps of required circuit formation work.
  • the device is also so simple and compact that it will contribute to designing of stereo audio implements.
  • a common tap or separate taps may be provided in each resistor element as shown in FIG. 7 or FIG. 8.
  • a resistor element comprising four separate units each having a tap as shown in FIG. 8 can be employed.
  • four sets of a straight resistor element 55 and a straight current collector element 56 arranged in parallel with the former are provided along the four sides of the base plate as shown in FIG. 9.
  • Each resistor element may or may not be provided with a tap.
  • a device for coordinatedly controlling a plurality of variable resistors comprising: a first horizontal crosspiece which has a lengthwise slot and a lateral plate perpendicular to the length of the crosspiece per se at each end thereof, and is movable in the direction of the width thereof; a second horizontal crosspiece which has a length wise slot and a lateral plate perpendicular to the length of the crosspiece per se at each end thereof, is movable in the direction of the width thereof and is shaped in a fashion that, when it is mounted on the first crosspiece, the underside thereof is partly on the same level as the underside of the first crosspiece; said two crosspieces being arranged crosswise with the second crosspiece upon the first crosspiece; a housing along the inside surfaces of the side walls of which said lateral plates of the crosspieces slide; a shaft which penetrates the slots of the two movable horizontal crosspieces and drives the crosspieces simultaneously in pair or all at a time; and a plurality of wipers which move in accordance with the movement
  • the shaft is a short shaft with a knob at the upper end thereof, which is moved horizontally.
  • the short shaft has a broad brim as the guide for the movement thereof.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Adjustable Resistors (AREA)
US00326194A 1972-05-06 1973-01-24 Coordinated control device for variable resistors Expired - Lifetime US3795882A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47044740A JPS5229814B2 (en, 2012) 1972-05-06 1972-05-06

Publications (1)

Publication Number Publication Date
US3795882A true US3795882A (en) 1974-03-05

Family

ID=12699831

Family Applications (1)

Application Number Title Priority Date Filing Date
US00326194A Expired - Lifetime US3795882A (en) 1972-05-06 1973-01-24 Coordinated control device for variable resistors

Country Status (2)

Country Link
US (1) US3795882A (en, 2012)
JP (1) JPS5229814B2 (en, 2012)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3918021A (en) * 1974-06-17 1975-11-04 Matsushita Electric Ind Co Ltd Device for simultaneously controlling a plurality of variable resistors
US4161726A (en) * 1977-04-06 1979-07-17 Texas Instruments Incorporated Digital joystick control
US4281561A (en) * 1979-10-09 1981-08-04 Spar Aerospace Limited Three axes controller
US5313010A (en) * 1988-12-27 1994-05-17 Yamaha Corporation Hand musical tone control apparatus
US5889461A (en) * 1996-11-20 1999-03-30 Alps Electric Co., Ltd. Structure for mounting an operating member of an electrical part to an operating shaft
US5949325A (en) * 1995-06-29 1999-09-07 Varatouch Technology Inc. Joystick pointing device
US6150919A (en) * 1998-10-05 2000-11-21 Alps Electric Co., Ltd Multi-way input device
US20020148317A1 (en) * 2001-04-16 2002-10-17 Alps Electric Co., Ltd. Manual input device enabling control of various electric apparatus with single knob
US6538639B1 (en) 1999-07-05 2003-03-25 Alps Electric Co., Ltd. Multi-direction input device for fetching a sensing signal corresponding to an amount of inclination of lever member
US20050014394A1 (en) * 2003-05-28 2005-01-20 Infineon Technologies Contact-connection device for electronic circuit units and production method
US20060192753A1 (en) * 2005-02-17 2006-08-31 Sony Corporation Control signal input system and control signal input method

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5011001A (en, 2012) * 1973-05-29 1975-02-04
JPS548457B2 (en, 2012) * 1974-05-13 1979-04-16
JPS5192755A (en, 2012) * 1975-02-13 1976-08-14
JPS52130454A (en) * 1976-04-27 1977-11-01 Sumitomo Metal Ind Internal wall clamping means adapted to be used in welding of tubes along its circumferential line
JPS5451121U (en, 2012) * 1977-09-14 1979-04-09
JPS5813680Y2 (ja) * 1981-03-12 1983-03-16 松下電器産業株式会社 多軸同時調整器

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1781203A (en) * 1926-04-12 1930-11-11 Leslie L O Bryan Composite structure
US2107914A (en) * 1935-05-29 1938-02-08 Gen Electric Electric lamp attachment fixture
US2521355A (en) * 1947-08-20 1950-09-05 Frank P Ford Combination lamp and display stand
US2621503A (en) * 1947-01-27 1952-12-16 Schaefer Louis Sectional candlestick and the like
US2950892A (en) * 1956-10-12 1960-08-30 Rick Chester Portable lamp
US3244868A (en) * 1963-08-12 1966-04-05 Goetz Karl Lighting fixture
US3373964A (en) * 1966-05-05 1968-03-19 Gary A. Bunders Lamp construction
US3629775A (en) * 1970-06-19 1971-12-21 Gulf & Western Industries Stereo balance and fader potentiometer
US3662313A (en) * 1971-04-14 1972-05-09 Alps Electric Co Ltd Single control device for plural variable resistors

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1781203A (en) * 1926-04-12 1930-11-11 Leslie L O Bryan Composite structure
US2107914A (en) * 1935-05-29 1938-02-08 Gen Electric Electric lamp attachment fixture
US2621503A (en) * 1947-01-27 1952-12-16 Schaefer Louis Sectional candlestick and the like
US2521355A (en) * 1947-08-20 1950-09-05 Frank P Ford Combination lamp and display stand
US2950892A (en) * 1956-10-12 1960-08-30 Rick Chester Portable lamp
US3244868A (en) * 1963-08-12 1966-04-05 Goetz Karl Lighting fixture
US3373964A (en) * 1966-05-05 1968-03-19 Gary A. Bunders Lamp construction
US3629775A (en) * 1970-06-19 1971-12-21 Gulf & Western Industries Stereo balance and fader potentiometer
US3662313A (en) * 1971-04-14 1972-05-09 Alps Electric Co Ltd Single control device for plural variable resistors

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3918021A (en) * 1974-06-17 1975-11-04 Matsushita Electric Ind Co Ltd Device for simultaneously controlling a plurality of variable resistors
US4161726A (en) * 1977-04-06 1979-07-17 Texas Instruments Incorporated Digital joystick control
US4281561A (en) * 1979-10-09 1981-08-04 Spar Aerospace Limited Three axes controller
US5313010A (en) * 1988-12-27 1994-05-17 Yamaha Corporation Hand musical tone control apparatus
US5949325A (en) * 1995-06-29 1999-09-07 Varatouch Technology Inc. Joystick pointing device
US5889461A (en) * 1996-11-20 1999-03-30 Alps Electric Co., Ltd. Structure for mounting an operating member of an electrical part to an operating shaft
US6150919A (en) * 1998-10-05 2000-11-21 Alps Electric Co., Ltd Multi-way input device
US6538639B1 (en) 1999-07-05 2003-03-25 Alps Electric Co., Ltd. Multi-direction input device for fetching a sensing signal corresponding to an amount of inclination of lever member
US20020148317A1 (en) * 2001-04-16 2002-10-17 Alps Electric Co., Ltd. Manual input device enabling control of various electric apparatus with single knob
US6805020B2 (en) * 2001-04-16 2004-10-19 Alps Electric Co., Ltd. Manual input device enabling control of various electric apparatus with single knob
US20050014394A1 (en) * 2003-05-28 2005-01-20 Infineon Technologies Contact-connection device for electronic circuit units and production method
US20060192753A1 (en) * 2005-02-17 2006-08-31 Sony Corporation Control signal input system and control signal input method
US8072415B2 (en) * 2005-02-17 2011-12-06 Sony Corporation Control signal input system and control signal input method

Also Published As

Publication number Publication date
DE2317144B2 (de) 1977-02-10
DE2317144A1 (de) 1973-11-15
JPS494148A (en, 2012) 1974-01-14
JPS5229814B2 (en, 2012) 1977-08-04

Similar Documents

Publication Publication Date Title
US3795882A (en) Coordinated control device for variable resistors
US6225578B1 (en) Switch device
US6919519B2 (en) Multifunctional switch
DE10193379B4 (de) Richtungseingabevorrichtung und Elektronisches Gerät das diese umfasst
JPH0141141Y2 (en, 2012)
US3942148A (en) Device for simultaneously controlling a plurality of variable resistors
US6344619B1 (en) Multi-directional operating switch and multi-directional operating device using the same
US6198057B1 (en) Rotary operating-type electronic device
US6504115B2 (en) Multidirectional input device
US4816662A (en) Remote control switch for posture adjustment of automotive mirrors
US3918021A (en) Device for simultaneously controlling a plurality of variable resistors
US3965454A (en) Means lowering contact resistance in variable resistance control
US4476356A (en) Multi-position electrical switch
US4184140A (en) Two-piece trimming potentiometer
JPH0751626Y2 (ja) 多方向入力装置
EP0269153B1 (en) Multi-position electrical switch
US3739316A (en) Coordinated control device for variable resistors
JPH0922642A (ja) 多方向切換スイッチ
JP3039139B2 (ja) シーソー操作型可変抵抗器
JP4375381B2 (ja) 多方向入力装置およびこれを備えた電子機器
JP3937670B2 (ja) 多方向操作スイッチ
US20120125751A1 (en) Multi direction switch
JPS623865Y2 (en, 2012)
CN212411712U (zh) 一种带开关的旋转电位器
JP3593468B2 (ja) 防塵スイッチ装置