WO2022158041A1 - フェーダ装置 - Google Patents
フェーダ装置 Download PDFInfo
- Publication number
- WO2022158041A1 WO2022158041A1 PCT/JP2021/034344 JP2021034344W WO2022158041A1 WO 2022158041 A1 WO2022158041 A1 WO 2022158041A1 JP 2021034344 W JP2021034344 W JP 2021034344W WO 2022158041 A1 WO2022158041 A1 WO 2022158041A1
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- WIPO (PCT)
- Prior art keywords
- screw shaft
- moving body
- cover member
- fader device
- longitudinal direction
- Prior art date
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- 238000003780 insertion Methods 0.000 claims description 64
- 230000037431 insertion Effects 0.000 claims description 64
- 238000005192 partition Methods 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 9
- 239000004020 conductor Substances 0.000 claims description 3
- 238000000638 solvent extraction Methods 0.000 description 18
- 239000000428 dust Substances 0.000 description 14
- 239000000758 substrate Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C10/00—Adjustable resistors
- H01C10/30—Adjustable resistors the contact sliding along resistive element
- H01C10/38—Adjustable resistors the contact sliding along resistive element the contact moving along a straight path
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C10/00—Adjustable resistors
- H01C10/30—Adjustable resistors the contact sliding along resistive element
- H01C10/38—Adjustable resistors the contact sliding along resistive element the contact moving along a straight path
- H01C10/40—Adjustable resistors the contact sliding along resistive element the contact moving along a straight path screw operated
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C10/00—Adjustable resistors
- H01C10/30—Adjustable resistors the contact sliding along resistive element
- H01C10/38—Adjustable resistors the contact sliding along resistive element the contact moving along a straight path
- H01C10/40—Adjustable resistors the contact sliding along resistive element the contact moving along a straight path screw operated
- H01C10/42—Adjustable resistors the contact sliding along resistive element the contact moving along a straight path screw operated the contact bridging and sliding along resistive element and parallel conducting bar or collector
Definitions
- the present invention relates to a fader device.
- This application claims priority based on Japanese Patent Application No. 2021-009488 filed in Japan on January 25, 2021, the content of which is incorporated herein.
- Patent Document 1 discloses a fader device having a moving body that can move in a straight line.
- a fader device adjusts various parameter values (for example, volume of sound collected by a microphone, illuminance of lighting, etc.) by moving a moving body.
- a moving body is attached to a portion of an endless belt wound around a plurality of pulleys in the circumferential direction.
- the movable body is moved by the driving force of the motor according to the control signal input from the outside.
- one pulley may be rotationally driven by the driving force of a motor.
- the moving body can be moved by transmitting the driving force of the motor to the moving body via the pulley and the endless belt.
- the tension applied to the endless belt should be large.
- the tension acting on the endless belt is large, the resistance when manually moving the moving body increases, so there is a problem that it becomes difficult to move the moving body finely, and the operational feeling of the moving body deteriorates. be.
- the tension applied to the endless belt is reduced in order to facilitate manual movement of the moving body, the pulley rotated by the motor tends to slip relative to the endless belt, or the teeth tend to skip. For this reason, it becomes difficult to move the movable body with high precision by the motor.
- a first aspect of the present invention includes a plurality of shafts parallel to each other, and a moving body attached movably to the plurality of shafts in a longitudinal direction of the shafts, wherein at least one of the plurality of shafts
- One shaft is a screw shaft that has a male thread on its outer periphery and is rotatable about the axis extending in the longitudinal direction; and the movable body is a fader device that meshes with the male thread and moves in the longitudinal direction as the screw shaft rotates.
- a second aspect of the present invention is a screw shaft that extends in a linear direction and has a screw and is rotatable about an axis that extends in the linear direction; and a moving body attached to the screw shaft and the guiding member so as to be movable in the linear direction, wherein the moving body meshes with the screw to rotate the screw shaft. It is a fader device that moves in the linear direction with it.
- a third aspect of the present invention is a screw shaft that extends in a linear direction and has a male thread on its outer periphery and is rotatable about an axis extending in the linear direction; and a screw shaft that is attached to the screw shaft and meshes with the male thread.
- the movable body that moves in the linear direction along with the rotation of the screw shaft is partitioned into a first region where the screw shaft is arranged and a second region different from the first region, and the movement
- a partitioning member having an insertion hole extending in the linear direction through which the body is inserted from the first region side to the second region side, and a position between the screw shaft and the insertion hole of the partitioning member in the first region and a cover member extending in the linear direction.
- the present invention it is possible to move the moving body with high precision using a motor or the like while improving the operational feeling of the moving body.
- FIG. 1 is a perspective view showing a fader device according to a first embodiment of the invention
- FIG. 2 is a cross-sectional view showing the relationship between a screw shaft, a guide shaft and a moving body in the fader device of FIG. 1
- FIG. 2 is a diagram schematically showing the relationship between the male thread of the screw shaft and the female thread of the moving body in the fader device of FIG. 1
- FIG. FIG. 5 is a perspective view showing a fader device according to a second embodiment of the invention
- FIG. 5 is a sectional view showing the relationship between the screw shaft, the guide shaft and the moving body in the fader device of FIG. 4
- FIG. 6 is a sectional view showing a modification of the fader device of FIGS. 4 and 5;
- FIG. 11 is a perspective view showing a fader device according to a third embodiment of the invention.
- FIG. 8 is a perspective view showing a state in which a partitioning member is removed in the fader device of FIG. 7;
- FIG. 9 is a perspective view showing a state in which a cover member is removed from the fader device of FIG. 8;
- 9 is a perspective view of the fader device of FIG. 8 viewed from a different angle;
- FIG. FIG. 8 is a cross-sectional view taken along line XI-XI in FIG. 7;
- 12 is a perspective view showing a moving body in the fader device of FIGS. 7-11;
- the fader device 1 includes a plurality of shafts 2 and a movable body 3. As shown in FIG. Further, the fader device 1 further includes a base 4 .
- the plurality of shafts 2 are each formed like a rod extending in a straight line direction.
- the multiple shafts 2 are arranged parallel to each other. Further, the plurality of shafts 2 are spaced apart from each other when viewed in the longitudinal direction of the shafts 2 (see FIG. 2).
- a plurality of shafts 2 are arranged in a row in a direction perpendicular to the longitudinal direction of the shafts 2 at intervals.
- the base 4 has a pair of support portions 41 spaced apart in the longitudinal direction of the shaft 2 . Both ends of the shaft 2 in the longitudinal direction are inserted or passed through the pair of support portions 41 . The multiple shafts 2 are thereby supported by the base 4 .
- the base 4 including the pair of support portions 41 may be configured by, for example, a housing (case) that accommodates the plurality of shafts 2 and the body portion 31 of the moving body 3 to be described later.
- the number of shafts 2 in this embodiment is two.
- One of the two shafts 2 is the screw shaft 21 .
- the screw shaft 21 has a male thread 211 on its outer circumference.
- the male thread 211 may be a single thread or a multiple thread.
- the screw shaft 21 is rotatable around an axis A ⁇ b>1 extending in the longitudinal direction of the shaft 2 .
- the pair of support portions 41 that support both longitudinal end portions of the screw shaft 21 function as bearings that rotatably support the screw shaft 21 .
- the guide shaft 22 is configured to guide the moving body 3 , which will be described later, in the longitudinal direction of the shaft 2 .
- the guide shaft 22 also serves to prevent the movable body 3 from rattling with respect to the screw shaft 21 and the base 4 in the direction orthogonal to the longitudinal direction of the shaft 2 .
- the guide shaft 22 is formed in a rod-like shape without unevenness like the male thread 211 on the outer peripheral surface.
- the guide shaft 22 may be formed in, for example, a polygonal prism shape, but is formed in a columnar shape in this embodiment.
- the diameter D2 of the guide shaft 22 is larger than the diameter D1 of the screw shaft 21 .
- the diameter D2 of the guide shaft 22 may be equal to the diameter D1 of the screw shaft 21, for example.
- the moving body 3 is attached to a plurality of shafts 2 so as to be movable in the longitudinal direction of the shafts 2 .
- the moving body 3 of the present embodiment has a body portion 31 and an operation portion 32 extending from the body portion 31 .
- the body portion 31 is formed with a plurality of through holes 33 and 34 through which the plurality of shafts 2 are individually inserted.
- the number of through holes 33 , 34 corresponds to the number of shafts 2 .
- the plurality of through holes 33, 34 are parallel to each other.
- the plurality of through holes 33 and 34 include a first through hole 33 through which the screw shaft 21 is inserted and a second through hole 34 through which the guide shaft 22 is inserted.
- the moving body 3 is configured to mesh with the male thread 211 of the screw shaft 21 so as to move in the longitudinal direction of the shaft 2 as the screw shaft 21 rotates.
- the moving body 3 has an engaging portion 35 that engages the male thread 211 of the screw shaft 21 .
- the engaging portion 35 is provided on the inner periphery of the first through hole 33 of the moving body 3 through which the screw shaft 21 is inserted.
- the engaging portion 35 of this embodiment is a female thread 351 formed on the inner circumference of the first through hole 33 of the moving body 3 .
- Female thread 351 may be a single thread or a multiple thread corresponding to male thread 211 .
- the female thread 351 of the main body 31 meshes with the male thread 211 of the screw shaft 21, so that the moving body 3 can move in the longitudinal direction of the shaft 2 (horizontal direction in FIG. 3) as the screw shaft 21 rotates.
- the moving body 3 since the moving body 3 is also supported by a guide shaft 22 separate from the screw shaft 21, even if the screw shaft 21 rotates, the moving body 3 moves along with the screw shaft 21 along the axis A1. can be prevented from rotating around
- the operation part 32 of the moving body 3 is a part touched by the operator's fingers in order to move the moving body 3 manually.
- the operating portion 32 extends in a direction perpendicular to the longitudinal direction of the shaft 2 with respect to the main body portion 31 .
- the operating portion 32, the screw shaft 21, and the guide shaft 22 are arranged in a line in a direction orthogonal to the longitudinal direction of the shaft 2 (vertical direction in FIG. 2).
- the fader device 1 of this embodiment further includes a position measuring section 5 that measures the position of the moving body 3 in the longitudinal direction of the shaft 2 .
- the position measuring unit 5 of this embodiment includes an encoder 51 .
- a shaft (not shown) of the encoder 51 is connected to the screw shaft 21 .
- Encoder 51 measures the rotation angle of screw shaft 21 .
- the position measurement unit 5 further includes a position calculation unit 52 .
- the position calculator 52 calculates the position of the moving body 3 in the longitudinal direction of the shaft 2 based on the rotation angle of the screw shaft 21 measured by the encoder 51 . Thereby, the position of the moving body 3 in the longitudinal direction of the shaft 2 can be measured.
- the fader device 1 of this embodiment further includes a motor 6 that drives the screw shaft 21 to rotate.
- a drive shaft (not shown) of the motor 6 is connected to the screw shaft 21 .
- the motor 6 may be, for example, a stepping motor capable of positioning the moving body 3 with high accuracy.
- motor 6 is arranged between screw shaft 21 and encoder 51 . For this reason, the shaft of the encoder 51 is connected to the screw shaft 21 via the drive shaft of the motor 6 .
- the moving body 3 can be moved in the longitudinal direction of the shaft 2 by rotationally driving the screw shaft 21 with the driving force of the motor 6 .
- the screw shaft 21 rotates.
- the structure in which the screw shaft 21 rotates with the movement of the moving body 3 makes it easier for the operator to operate than the conventional structure in which the endless belt wound around a plurality of pulleys moves with the movement of the moving body 3. can reduce the resistance (resistance to movement of the moving body 3) when moving the moving body 3 manually. Thereby, the operational feeling of the moving body 3 can be improved.
- the moving body 3 meshes with the male thread 211 of the screw shaft 21 . Therefore, the moving body 3 does not slip on the screw shaft 21 or skip teeth. That is, it becomes possible to move the moving body 3 with high accuracy by the motor 6 .
- the fader device 1 of this embodiment does not require strict adjustment of the tension in the conventional structure using an endless belt. Therefore, it is possible to reduce the number of man-hours for manufacturing the fader device 1 and to reduce the manufacturing cost.
- the diameter D1 of the screw shaft 21 is smaller than the diameter D2 of the guide shaft 22 . Since the screw shaft 21 is thin, the friction generated between the screw shaft 21 and the moving body 3 can be kept small. As a result, the resistance when the operator manually moves the moving body 3 can be further reduced, and the operational feeling of the moving body 3 can be further improved.
- the fader device 1 of this embodiment has only two shafts 2 attached to the moving body 3 .
- the posture of the moving body 3 can be maintained so that the moving body 3 does not rotate around the shaft 2 .
- One of the two shafts 2 is a screw shaft 21 for moving the moving body in the longitudinal direction of the shaft 2 . Therefore, compared with the conventional structure using an endless belt, there is no need to separately provide a part for moving the moving body 3 by the motor 6, and the number of constituent parts of the fader device 1 can be reduced.
- the position measuring section 5 that measures the position of the moving body 3 in the longitudinal direction of the shaft 2 has an encoder 51 that measures the rotation angle of the screw shaft 21 .
- the movement length of the moving body 3 in the longitudinal direction of the shaft 2 can be calculated based on the rotation angle of the screw shaft 21 measured by the encoder 51 . Therefore, the position of the moving body 3 can be measured. Further, as described above, since the moving body 3 does not slip or skip over the screw shaft 21, the position of the moving body 3 can be measured by the position measuring section 5 with high accuracy.
- the encoder 51 used as the position measuring unit 5 reduces the number of parts constituting the position measuring unit 5 and saves space for the position measuring unit 5 compared to a structure that directly measures the position of the moving body 3 that moves linearly. can be improved. As a result, the size of the fader device 1 can be easily reduced.
- the operating portion 32, the screw shaft 21, and the guide shaft 22 are arranged in a line in a direction perpendicular to the longitudinal direction of the shaft 2 (vertical direction in FIG. 2). do not have.
- the direction in which the screw shaft 21 and the guide shaft 22 are aligned is a direction perpendicular to the direction in which the operation portion 32 and the shaft 2 (the screw shaft 21 or the guide shaft 22) are aligned (vertical direction in FIG. 2) (see FIG. 2 in the horizontal direction).
- the dimension (width dimension) of the fader device 1 in the left-right direction becomes large, the operating portion 32, the screw shaft 21, and the guide shaft 22 are aligned in the vertical direction as shown in FIG. Line up is preferable.
- a fader device 1E includes a plurality of shafts 2, a movable body 3, and a base 4, as in the first embodiment.
- the multiple shafts 2 include screw shafts 21 and guide shafts 22 similar to those in the first embodiment.
- the fader device 1 ⁇ /b>E of the second embodiment has a plurality of guide shafts 22 .
- the plurality of guide shafts 22 are arranged so as to surround the screw shaft 21 when viewed from the longitudinal direction of the shaft 2 .
- the plurality of guide shafts 22 may be arranged at equal intervals in the circumferential direction around the screw shaft 21 when viewed from the longitudinal direction of the shaft 2 .
- the number of guide shafts 22 in the second embodiment is two.
- the two guide shafts 22 are arranged at regular intervals (at intervals of 180 degrees) in the circumferential direction around the screw shaft 21 when viewed from the longitudinal direction of the shaft 2 . Therefore, the screw shaft 21 is positioned between the two guide shafts 22 when viewed in the longitudinal direction of the shaft 2 . That is, the screw shaft 21 and the two guide shafts 22 are arranged in a row in a direction orthogonal to the longitudinal direction of the shaft 2 .
- the operating portion 32, the screw shaft 21, and the two guide shafts 22 are arranged in a line in the direction perpendicular to the longitudinal direction of the shaft 2 (vertical direction in FIG. 5). As a result, the width dimension of the fader device 1E in the horizontal direction in FIG. 5 can be kept small.
- the same effects as those of the first embodiment are obtained.
- a plurality of guide shafts 22 are arranged so as to surround the screw shaft 21 when viewed from the longitudinal direction of the shaft 2. As shown in FIG. For this reason, when the operator manually moves the movable body 3 , the load is likely to act on the plurality of guide shafts 22 . As a result, the load acting on the screw shaft 21 can be reduced. Therefore, it is possible to form the screw shaft 21 thinner. Thereby, the friction generated between the screw shaft 21 and the moving body 3 can be further suppressed. Therefore, the resistance when moving the moving body 3 manually can be further reduced, and the operational feeling of the moving body 3 can be further improved.
- the number of guide shafts 22 may be three or more.
- three or more guide shafts 22 may be arranged at regular intervals in the circumferential direction around the screw shaft 21 when viewed from the longitudinal direction of the shaft 2, as illustrated in FIG.
- the width dimension of the fader device 1 in the horizontal direction tends to increase.
- three or more guide shafts 22 may be arranged at uneven intervals in the circumferential direction around the screw shaft 21 so that the width dimension of the fader device 1 is reduced, for example.
- the guide shaft 22 is not limited to being inserted through the second through hole 34 of the moving body 3, and for example supports the moving body 3 (body portion 31) from the outside thereof. may be provided as follows.
- the position measuring unit 5 for measuring the position of the moving body 3 is not limited to the configuration that measures the position of the moving body 3 based on the rotational position of the screw shaft 21.
- a configuration for directly measuring the position of the body 3 may be used.
- the fader device 1F includes a screw shaft 21, a moving body 3F, a dividing member 7F, and a cover member 8F. Further, the fader device 1F further includes a pair of support portions 41F and a motor 6. As shown in FIG.
- the screw shaft 21 shown in FIGS. 8 to 10 is shaped like a rod extending in a straight line and has a male thread 211 on its outer circumference, as in the first and second embodiments. Both ends of the screw shaft 21 in the longitudinal direction are supported by a pair of support portions 41F so that the screw shaft 21 can rotate about the axis A1.
- the motor 6 rotationally drives the screw shaft 21 as in the first and second embodiments.
- the motor 6 is attached to one support portion 41F.
- the moving body 3F is attached to the screw shaft 21 as in the first and second embodiments. Further, the movable body 3F is configured to mesh with the male thread 211 of the screw shaft 21 so as to move in the longitudinal direction (linear direction) of the screw shaft 21 as the screw shaft 21 rotates. Although not shown, the aspect of the moving body 3F that engages with the male thread 211 of the screw shaft 21 may be the same as that of the first embodiment (for example, the engaging portion 35 illustrated in FIG. 3). A specific configuration of the moving body 3F will be described later.
- the partitioning member 7F partitions into a first region R1 in which the screw shaft 21 is arranged and a second region R2 separate from the first region R1.
- the partitioning member 7F has an insertion hole 71F through which a part of the moving body 3F attached to the screw shaft 21 is inserted from the first region R1 side to the second region R2 side.
- the insertion hole 71F extends in the longitudinal direction of the screw shaft 21 (that is, the moving direction of the moving body 3F).
- the partitioning member 7F of the present embodiment is a panel member formed in a flat plate shape, it is not limited to this.
- the direction orthogonal to the longitudinal direction of the screw shaft 21 and in which the first region R1 and the second region R2 partitioned by the partitioning member 7F are aligned may be referred to as the vertical direction.
- the side of the first region R1 may be called the lower side or the lower side
- the side of the second region R2 may be called the upper side or the upper side.
- the direction perpendicular to the vertical direction when viewed from the longitudinal direction of the screw shaft 21 is sometimes called the left-right direction.
- the cover member 8F is located between the screw shaft 21 and the insertion hole 71F of the partition member 7F in the first region R1. As shown in FIGS. 7 and 8, the cover member 8F extends in the longitudinal direction of the screw shaft 21 and the insertion hole 71F of the partition member 7F between the screw shaft 21 and the insertion hole 71F.
- the extending direction of the cover member 8 ⁇ /b>F is parallel to the longitudinal direction of the screw shaft 21 .
- the cover member 8F is formed in a tubular shape extending in the longitudinal direction of the screw shaft 21.
- a tubular cover member 8 ⁇ /b>F surrounds the screw shaft 21 .
- Both longitudinal ends of the cover member 8F are fixed to a pair of support portions 41F. Thereby, the relative positions of the cover member 8F and the screw shaft 21 are fixed.
- the cover member 8F may have a cylindrical shape, but in this embodiment, it has a polygonal tubular shape.
- the cover member 8F is formed in a rectangular tubular shape having vertical sides extending in the vertical direction and horizontal sides extending in the horizontal direction.
- the cover member 8F has a long hole 81F (connecting hole) extending in its longitudinal direction.
- the long hole 81F of the cover member 8F connects the inner side and the outer side of the cylindrical cover member 8F.
- the long hole 81F is not located between the screw shaft 21 and the insertion hole 71F of the partition member 7F when viewed from the longitudinal direction of the screw shaft 21 as shown in FIG. That is, the long hole 81F is located outside the area between the screw shaft 21 and the insertion hole 71F of the partition member 7F.
- the long hole 81F Since the long hole 81F is positioned in this way, the screw shaft 21 cannot be seen from the second region R2 side through the insertion hole 71F of the partitioning member 7F and the long hole 81F of the cover member 8F. Specifically, the long hole 81F faces the opposite side (downward) to the partitioning member 7F.
- the elongated hole 81F of the cover member 8F may, for example, be oriented in the left-right direction, or may be oriented toward the partition member 7F (upper side).
- the moving body 3F includes an insertion portion 31F, a mounting portion 32F, and a connecting portion 33F.
- the mounting portion 32F and the connecting portion 33F are positioned on the side of the first region R1 partitioned by the partitioning member 7F, and the insertion portion 31F is inserted through the insertion hole 71F of the partitioning member 7F.
- part of the insertion portion 31F is positioned on the second region R2 side.
- the portion of the insertion portion 31F positioned on the second region R2 side functions as an operation portion that is touched by the operator of the fader device 1F with fingers in order to manually move the moving body 3F.
- a cover member 8F is interposed between the mounting portion 32F and the insertion portion 31F.
- the mounting portion 32F is positioned below the insertion portion 31F with a space therebetween, and the cover member 8F is interposed between the insertion portion 31F and the mounting portion 32F which are vertically aligned.
- the mounting portion 32F is arranged inside the tubular cover member 8F together with the screw shaft 21 .
- the mounting portion 32F is exposed to the outside of the cover member 8F through an elongated hole 81F of the cover member 8F that opens downward.
- the external shape of the mounting portion 32F viewed from the longitudinal direction of the screw shaft 21 corresponds to the shape of the inner circumference of the cylindrical cover member 8F. That is, the external shape of the mounting portion 32F when viewed from the longitudinal direction of the screw shaft 21 is formed in a rectangular shape (polygonal shape) generally corresponding to the shape of the inner periphery of the cover member 8F. Also, the size of the mounting portion 32F when viewed from the longitudinal direction of the screw shaft 21 is slightly smaller than the size of the inner circumference of the cover member 8F. Accordingly, the mounting portion 32F is locked to the cover member 8F in the rotation direction of the screw shaft 21. As shown in FIG. That is, the cover member 8 ⁇ /b>F prevents the mounting portion 32 ⁇ /b>F from rotating together with the screw shaft 21 .
- the connecting portion 33F connects the insertion portion 31F and the mounting portion 32F.
- the cover member 8F is interposed between the insertion portion 31F and the mounting portion 32F. Therefore, the connecting portion 33F is formed so as to bypass the cover member 8F when viewed from the longitudinal direction of the screw shaft 21, as shown in FIG. That is, the connecting portion 33F extends in the horizontal direction with respect to the insertion portion 31F and the mounting portion 32F so as not to be positioned between the insertion hole 71F of the partitioning member 7F and the cover member 8F when viewed from the longitudinal direction of the screw shaft 21.
- the connecting portion 33F connects the insertion portion 31F and the mounting portion 32F by being inserted through the long hole 81F of the cover member 8F. That is, the long hole 81F of the cover member 8F functions as a connecting hole that connects the insertion portion 31F and the mounting portion 32F.
- the shape of the annular portion 331F viewed from the longitudinal direction of the screw shaft 21 corresponds to the shape of the outer circumference of the cover member 8F. That is, the shape of the annular portion 331F when viewed from the longitudinal direction of the screw shaft 21 is formed in a rectangular shape (polygonal shape) corresponding to the shape of the outer circumference of the cover member 8F. Also, the size of the annular portion 331F when viewed from the longitudinal direction of the screw shaft 21 is slightly larger than the size of the outer periphery of the cover member 8F. Thereby, the annular portion 331F is locked to the cover member 8F in the rotation direction of the screw shaft 21. As shown in FIG. That is, the cover member 8 ⁇ /b>F prevents the annular portion 331 ⁇ /b>F from rotating together with the screw shaft 21 .
- the moving body 3F configured as described above is attached to both the screw shaft 21 and the cover member 8F so as to be movable in the longitudinal direction of the screw shaft 21.
- the insertion portion 31F and the mounting portion 32F are electrically connected via the connecting portion 33F.
- the insertion portion 31F and the annular portion 331F of the connecting portion 33F are integrally formed of a conductive member such as metal.
- a part of the mounting part 32F and the insertion part of the connection part 33F passing through the long hole 81F of the cover member 8F are formed of a conductive member 322F having conductivity such as metal.
- the conductive member 322F is connected to the conductive annular portion 331F.
- the mounting portion 32F also has a connection terminal 323F that is connected to the conductive member 322F and extends to a substrate 82F, which will be described later.
- the structure in which the insertion portion 31F and the mounting portion 32F are electrically connected is a touch panel for detecting whether or not the operator of the fader device 1F touches the movable body 3F (insertion portion 31F). Used for sensors. This point will be described below.
- a substrate 82F extending in the longitudinal direction of the screw shaft 21 is provided on the surface of the cover member 8F facing the mounting portion 32F.
- the substrate 82F is formed with connection wiring extending in the longitudinal direction of the screw shaft 21 and electrically connected to the connection terminals 323F of the mounting portion 32F.
- connection wiring is connected to an electric circuit (contact detection circuit; not shown) for detecting contact of the operator's finger with the insertion portion 31F of the moving body 3F.
- the contact detection circuit detects whether or not there is contact with the insertion portion 31F based on an electrical change (for example, a change in capacitance).
- the fader device 1F of the present embodiment further includes a position detection section 9F that detects the position of the moving body 3F in the longitudinal direction of the screw shaft 21.
- the position detection unit 9F has a resistor (not shown) made of a conductor and a resistive element 91F.
- the resistor is provided on the cover member 8F.
- the resistor is an electric wiring (not shown) formed on the substrate 82F described above.
- the resistor element 91F is provided on the moving body 3F and contacts the resistor provided on the cover member 8F.
- the resistance element 91F is provided on the mounting portion 32F of the moving body 3F.
- the resistance element 91F is electrically insulated from the conductive member 322F and the connection terminal 323F described above. As the resistance element 91F moves in the longitudinal direction of the screw shaft 21 together with the moving body 3F, the resistance element can detect the position of the resistance element 91F in the longitudinal direction of the screw shaft 21.
- a substrate 82F including connection wiring for the touch sensor and resistors for the position detection section 9F is provided on a surface of the cover member 8F facing the screw shaft 21.
- the substrate 82F is provided on the inner surface of the cylindrical cover member 8F. Further, the substrate 82F is arranged on the surface of the cover member 8F facing the opposite side (downward) of the partitioning member 7F.
- the board 82F is fixed to the cover member 8F.
- a method for fixing the substrate 82F to the cover member 8F may be any method such as caulking, screwing, or adhesion.
- the moving body 3F can be moved in the longitudinal direction of the screw shaft 21 by rotationally driving the screw shaft 21 with the motor 6.
- the screw shaft 21 rotates.
- the cover member 8F is interposed between the screw shaft 21 and the insertion hole 71F of the partition member 7F in the first region R1 where the screw shaft 21 is arranged. Therefore, even if dust enters the first region R1 through the insertion hole 71F of the partition member 7F from the second region R2, the dust can be prevented from reaching the screw shaft 21 by the cover member 8F. That is, it becomes difficult for dust to adhere to the male thread 211 of the screw shaft 21 . As a result, the operation of the screw shaft 21 and the moving body 3F (for example, the movement of the moving body 3F accompanying the rotation of the screw shaft 21) can be effectively prevented from being hindered by dust.
- the movable body 3F includes an insertion portion 31F inserted through the insertion hole 71F of the partition member 7F, a mounting portion 32F engaged with the male thread 211 of the screw shaft 21, and these insertion portions 31F. and a connecting portion 33F connecting the mounting portion 32F.
- the connecting portion 33F is formed so as to bypass the cover member 8F interposed between the insertion portion 31F and the mounting portion 32F. As a result, even if the cover member 8F is interposed between the screw shaft 21 and the insertion hole 71F of the partitioning member 7F, the moving body 3F attached to the screw shaft 21 on the first region R1 side is moved to the partitioning member 7F.
- the connecting portion 33F is formed so as to bypass the cover member 8F when viewed from the longitudinal direction of the screw shaft 21. As shown in FIG. Therefore, the connecting portion 33F does not hinder the movement of the moving body 3F in the longitudinal direction of the screw shaft 21 .
- the long hole 81F (connecting hole) of the cover member 8F which extends in the longitudinal direction of the screw shaft 21 and through which the connecting portion 33F is inserted, is the long hole 81F (connecting hole) of the screw shaft 21 when viewed from the longitudinal direction of the screw shaft 21. It is positioned outside the region between the screw shaft 21 and the insertion hole 71F of the partition member 7F. That is, the long hole 81F of the cover member 8F is not positioned between the screw shaft 21 and the insertion hole 71F of the partition member 7F.
- the annular portion 331F of the connecting portion 33F through which the cover member 8F is inserted is engaged with the cover member 8F in the rotation direction of the screw shaft 21. Therefore, it is possible to prevent the moving body 3F from rotating around the axis A1 of the screw shaft 21 . That is, the position of the moving body 3F in the rotation direction of the screw shaft 21 can be held.
- the cover member 8F functions as a guide member that guides the moving body 3F in the longitudinal direction of the screw shaft 21 while maintaining the attitude of the moving body 3F.
- the mounting portion 32F of the moving body 3F is also locked to the cover member 8F in the rotational direction of the screw shaft 21 in the same manner as the annular portion 331F. That is, the mounting portion 32F engaged with the cover member 8F can also prevent the movable body 3F from rotating about the axis A1 of the screw shaft 21. As shown in FIG.
- connection wiring for the touch sensor and the resistor for the position detection section 9F provided on the substrate 82F are arranged on the surface of the cover member 8F facing the screw shaft 21. ing. Therefore, even if dust enters the first region R1 from the second region R2 through the insertion hole 71F of the partition member 7F, the cover member 8F prevents the dust from reaching the connection wiring and the resistor (substrate 82F). can do. That is, it becomes difficult for dust to adhere to the connection wiring and the resistor. As a result, it is possible to prevent the touch sensor and the position detection unit 9 from malfunctioning due to dust.
- the connecting portion 33F bypassing the cover member 8F has a C-shaped or L-shaped structure, the connecting portion 33F bypasses the cover member 8F, and the cover member 8F faces the opposite side of the partitioning member 7F. If it passes through the elongated hole 81F, the connecting portion 33F can be locked to the elongated hole 81F of the cover member 8F in the rotation direction of the screw shaft 21 . That is, it is possible to prevent the moving body 3F from rotating around the axis A1 of the screw shaft 21 .
- the cover member 8F is not limited to a cylindrical shape, and may be formed in a flat plate shape, for example.
- the plate-like cover member 8F may be arranged, for example, so that the thickness direction of the cover member 8F coincides with the direction (vertical direction) in which the partition member 7F and the screw shaft 21 are arranged.
- a long hole 81F (connecting hole) through which the connecting portion 33F of the moving body 3F passes may be formed in the flat plate-like cover member 8F, as in the above-described third embodiment.
- the long hole 81F formed in the plate-shaped cover member 8F may be positioned outside the region between the screw shaft 21 and the insertion hole 71F of the partition member 7F when viewed from the longitudinal direction of the screw shaft 21.
- the long hole 81F of the cover member 8F may be positioned laterally offset from the screw shaft 21 .
- the engaging portion 35 of the movable body 3, 3F is not limited to the female thread 351, but may be, for example, an engaging projection that enters the groove of the male thread 211 and engages. Also, the engaging portion 35 of the moving bodies 3 and 3F may be a component that forms a ball screw together with the screw shaft 21, for example.
- the screw shaft 21 is not limited to being inserted through the through holes 33, 321F of the moving bodies 3, 3F. , may be provided so as to mesh with the outer surface of the mounting portion 32F) of the third embodiment.
- the engaging portions 35 of the moving bodies 3 and 3F may be engaging protrusions that protrude from the outer surfaces of the main body portion 31 and the mounting portion 32F and engage with the male threads 211, for example.
- the fader device of the present invention may have a plurality of screw shafts 21, for example. That is, one movable body 3 or 3F may move in the longitudinal direction of the shaft 2 or the screw shaft 21 by rotating the plurality of screw shafts 21 .
- the thread of the screw shaft 21 that meshes with the moving bodies 3 and 3F is not limited to male threads, and may be female threads, for example.
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Abstract
Description
本願は、2021年1月25日に、日本に出願された特願2021-009488号に基づき優先権を主張し、その内容をここに援用する。
なお、移動体の操作感が低下しないように、かつ、プーリが無端ベルトに対して滑ったり、歯飛びしたりしないように、無端ベルトに付与するテンションを厳密に調整することは難しい。また、無端ベルトの特性(例えば硬さや長さ)は、温度や湿度の影響を受けやすいため、無端ベルトに作用するテンションが変化しやすい。
以下、図1~3を参照して本発明の第一実施形態について説明する。
図1に示すように、第一実施形態に係るフェーダ装置1は、複数の軸2と、移動体3と、を備える。また、フェーダ装置1は、基台4をさらに備える。
二つの軸2のうち一つは、スクリューシャフト21である。スクリューシャフト21は、外周に雄ねじ211を有している。雄ねじ211は、一条ネジであってもよいし、多条ネジであってもよい。スクリューシャフト21は、軸2の長手方向に延びる軸線A1を中心に回転可能となっている。本実施形態では、スクリューシャフト21の長手方向の両端部を支持する一対の支持部41が、スクリューシャフト21を回転可能に支持する軸受として機能する。
図2に示すように、案内軸22の径寸法D2は、スクリューシャフト21の径寸法D1よりも大きい。なお、案内軸22の径寸法D2は、例えばスクリューシャフト21の径寸法D1と同等であってもよい。
図3に示すように、移動体3はスクリューシャフト21の雄ねじ211に係合する係合部35を有する。係合部35は、スクリューシャフト21が挿通される移動体3の第一貫通孔33の内周に設けられている。本実施形態の係合部35は、移動体3の第一貫通孔33の内周に形成された雌ねじ351である。雌ねじ351は、雄ねじ211に対応する一条ネジあるいは多条ネジであってよい。
位置測定部5は、位置演算部52をさらに備える。位置演算部52は、エンコーダ51において測定されたスクリューシャフト21の回転角度に基づいて、軸2の長手方向における移動体3の位置を演算する。これにより、軸2の長手方向における移動体3の位置を測定することができる。
このように移動体3の移動に伴ってスクリューシャフト21が回転する構造は、移動体3の移動に伴って複数のプーリに巻き回された無端ベルトが動く従来の構造と比較して、操作者が手動によって移動体3を動かす際の抵抗(移動体3の移動に対する抵抗)を小さく抑えることができる。これにより、移動体3の操作感の向上を図ることができる。
また、前述したように、移動体3がスクリューシャフト21に対して滑ったり、歯飛びしたりすることがないため、位置測定部5によって移動体3の位置を高い精度で測定することができる。
また、位置測定部5として用いられるエンコーダ51は、直線移動する移動体3の位置を直接測定する構造と比較して、位置測定部5を構成する部品点数の削減や位置測定部5の省スペース化を図ることができる。これにより、フェーダ装置1の小型化を容易に図ることができる。
次に、本発明の第二実施形態について、図4,5を参照して説明する。以降の説明において、既に説明したものと共通する構成については、同一の符号を付して重複する説明を省略する。
ただし、第二実施形態のフェーダ装置1Eは、案内軸22を複数有する。図5に示すように、複数の案内軸22は、軸2の長手方向から見てスクリューシャフト21を囲むように配置されている。複数の案内軸22は、例えば、軸2の長手方向から見てスクリューシャフト21を中心とする周方向に等間隔で並んでいてよい。
また、第二実施形態のフェーダ装置1Eでは、複数の案内軸22が、軸2の長手方向から見てスクリューシャフト21を囲むように配置されている。このため、操作者が手動によって移動体3を動かす際の荷重が複数の案内軸22に作用しやすくなる。その結果として、スクリューシャフト21に作用する荷重を低減することができる。このため、スクリューシャフト21をより細く形成することが可能となる。これにより、スクリューシャフト21と移動体3との間に発生する摩擦をさらに小さく抑えることができる。したがって、手動によって移動体3を動かす際の抵抗をさらに小さくすることができ、移動体3の操作感の向上をさらに図ることができる。
次に、本発明の第三実施形態について、図7~12を参照して説明する。以降の説明において、既に説明したものと共通する構成については、同一の符号を付して重複する説明を省略する。
モータ6は、第一、第二実施形態と同様に、スクリューシャフト21を回転駆動する。モータ6は、一方の支持部41Fに取り付けられている。
移動体3Fの具体的な構成については、後述する。
カバー部材8Fは、円筒状であってもよいが、本実施形態では多角形の筒状である。具体的に、カバー部材8Fは、上下方向に延びる縦辺及び左右方向に延びる横辺を有する矩形の筒状に形成されている。
具体的に、長孔81Fは、区画部材7Fと反対側(下方)に向いている。なお、カバー部材8Fの長孔81Fは、例えば左右方向に向いていてもよいし、例えば区画部材7F側(上側)に向いていてもよい。
図9~12に示すように、移動体3Fは、挿通部31Fと、装着部32Fと、連結部33Fと、を備える。装着部32F及び連結部33Fは、区画部材7Fで区画された第一領域R1側に位置し、挿通部31Fは、区画部材7Fの挿通孔71Fに挿通される。これにより、挿通部31Fの一部は第二領域R2側に位置する。第二領域R2側に位置する挿通部31Fの部位は、移動体3Fを手動で移動させるために、フェーダ装置1Fの操作者が手指で触れる操作部として機能する。
また、装着部32Fは、スクリューシャフト21と共に筒状とされたカバー部材8Fの内側に配置されている。装着部32Fは、下方に開口するカバー部材8Fの長孔81Fを通してカバー部材8Fの外側に露出する。
連結部33Fは、カバー部材8Fの長孔81Fに挿通されることで、挿通部31Fと装着部32Fとを連結する。すなわち、カバー部材8Fの長孔81Fは、挿通部31Fと装着部32Fとを連結する連結孔として機能する。
図11,12に示す本実施形態の移動体3Fでは、挿通部31F及び連結部33Fの環状部331Fが金属等のように導電性を有する部材によって一体に形成されている。また、装着部32Fの一部及びカバー部材8Fの長孔81Fを通る連結部33Fの挿通部分が、金属等のように導電性を有する導電性部材322Fによって形成されている。この導電性部材322Fは、導電性を有する環状部331Fに接続されている。これにより、挿通部31Fと装着部32Fとが電気的に接続されている。なお、装着部32Fは、導電性部材322Fに接続され、後述する基板82Fまで延びる接続端子323Fも有する。
図9,11に示すように、装着部32Fに対向するカバー部材8Fの面には、スクリューシャフト21の長手方向に延びる基板82Fが設けられている。図示しないが、基板82Fには、スクリューシャフト21の長手方向に延びて装着部32Fの接続端子323Fと電気的に接続される接続配線が形成されている。この接続配線は、移動体3Fの挿通部31Fへの操作者の手指の接触を検出するための電気的な回路(接触検出回路;不図示)に接続される。接触検出回路は、挿通部31Fに対する接触の有無を、電気的な変化(例えば静電容量の変化)によって検出する。
基板82Fは、カバー部材8Fに固定されている。基板82Fをカバー部材8Fに固定する方法は、カシメ固定やネジ止め、接着など任意であってよい。
また、第三実施形態のフェーダ装置1Fでは、スクリューシャフト21が配置された第一領域R1において、カバー部材8Fがスクリューシャフト21と区画部材7Fの挿通孔71Fとの間に介在している。このため、塵埃が第二領域R2から区画部材7Fの挿通孔71Fを通して第一領域R1に進入しても、カバー部材8Fによって塵埃がスクリューシャフト21に到達すること抑制することができる。すなわち、スクリューシャフト21の雄ねじ211に塵埃が付着し難くなる。その結果として、スクリューシャフト21及び移動体3Fの動作(例えばスクリューシャフト21の回転に伴う移動体3Fの移動)が、塵埃によって阻害されることを効果的に抑制することができる。
また、連結部33Fは、スクリューシャフト21の長手方向から見てカバー部材8Fを迂回するように形成されている。このため、連結部33Fは、移動体3Fのスクリューシャフト21の長手方向への移動を阻害しない。
Claims (15)
- 互いに平行する複数の軸と、
前記複数の軸に対して前記軸の長手方向に移動可能に取り付けられた移動体と、を備え、
前記複数の軸のうち少なくとも一つの軸が、外周に雄ねじを有し、前記長手方向に延びる軸線を中心に回転可能とされたスクリューシャフトであり、
前記複数の軸のうち前記スクリューシャフトを除く他の軸が、前記移動体を前記長手方向に案内する案内軸であり、
前記移動体は、前記雄ねじに噛み合うことで前記スクリューシャフトの回転に伴って前記長手方向に移動するフェーダ装置。 - 前記スクリューシャフトの径寸法が、前記案内軸の径寸法よりも小さい請求項1に記載のフェーダ装置。
- 前記案内軸及び前記スクリューシャフトを一つずつ備え、
前記案内軸と前記スクリューシャフトとが、前記長手方向から見て互いに間隔をあけて配置されている請求項1又は請求項2に記載のフェーダ装置。 - 前記案内軸を複数有し、
複数の前記案内軸は、前記長手方向から見て前記スクリューシャフトを囲むように配置されている請求項1又は請求項2に記載のフェーダ装置。 - 前記長手方向における前記移動体の位置を測定する位置測定部を備える請求項1から請求項4のいずれか一項に記載のフェーダ装置。
- 前記位置測定部は、前記スクリューシャフトの回転角度を測定するエンコーダを有する請求項5に記載のフェーダ装置。
- 前記スクリューシャフトを回転駆動するモータを備える請求項1から請求項6のいずれか一項に記載のフェーダ装置。
- 直線方向に延びると共にねじを有し、前記直線方向に延びる軸線を中心に回転可能とされたスクリューシャフトと、
前記スクリューシャフトに対して平行するように前記直線方向に延びる案内部材と、
前記スクリューシャフト及び前記案内部材に対して前記直線方向に移動可能に取り付けられた移動体と、を備え、
前記移動体は、前記ねじに噛み合うことで前記スクリューシャフトの回転に伴って前記直線方向に移動するフェーダ装置。 - 直線方向に延びると共に外周に雄ねじを有し、前記直線方向に延びる軸線を中心に回転可能とされたスクリューシャフトと、
前記スクリューシャフトに取り付けられ、前記雄ねじに噛み合うことで前記スクリューシャフトの回転に伴って前記直線方向に移動する移動体と、
前記スクリューシャフトが配置される第一領域と前記第一領域とは別の第二領域とに区画すると共に、前記移動体を前記第一領域側から前記第二領域側に挿通させ、前記直線方向に延びる挿通孔を有する区画部材と、
前記第一領域において前記スクリューシャフトと前記区画部材の挿通孔との間に位置し、前記直線方向に延びるカバー部材と、を備えるフェーダ装置。 - 前記移動体は、前記挿通孔に挿通される挿通部と、前記雄ねじに噛み合う装着部と、前記挿通部と前記装着部とを連結する連結部と、を備え、
前記カバー部材は、前記挿通部と装着部との間に介在し、
前記連結部は、前記直線方向から見て前記カバー部材を迂回するように形成されている請求項9に記載のフェーダ装置。 - 前記カバー部材は、前記直線方向に延び、前記連結部が通ることで前記挿通部と前記装着部とを連結する連結孔を有し、
前記連結孔は、前記直線方向から見て前記スクリューシャフトと前記挿通孔との間の領域の外側に位置している請求項10に記載のフェーダ装置。 - 前記カバー部材は、前記スクリューシャフト及び前記装着部を囲う筒状に形成され、
前記カバー部材は、前記直線方向に延びて当該カバー部材の内側と外側とをつなぐ長孔を有し、
前記連結部は、前記長孔に挿通され、
前記長孔は、前記区画部材と反対側に向いている請求項10に記載のフェーダ装置。 - 前記連結部は、前記直線方向から見て前記装着部の外側を囲う環状部を有し、
前記スクリューシャフト及び前記カバー部材は、前記環状部の内側に挿通され、
前記環状部は、前記スクリューシャフトの回転方向において前記カバー部材に対して係止されている請求項10から請求項12のいずれか一項に記載のフェーダ装置。 - 前記挿通部と前記装着部とが、前記連結部を介して電気的に接続されている請求項10から請求項13のいずれか一項に記載のフェーダ装置。
- 前記直線方向における前記移動体の位置を検出する位置検出部を備え、
前記位置検出部は、導体からなり、前記カバー部材に設けられて前記直線方向に延びる抵抗体と、導体からなり、前記移動体に設けられて前記抵抗体に接触する抵抗素子と、を有し、
前記抵抗体は、前記カバー部材のうち前記スクリューシャフトに対向する面に設けられている請求項9から請求項14のいずれか一項に記載のフェーダ装置。
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JP2021558594A JP7028380B1 (ja) | 2021-01-25 | 2021-09-17 | フェーダ装置 |
JP2021193068A JP7028360B1 (ja) | 2021-01-25 | 2021-11-29 | フェーダ装置 |
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JPS4018534B1 (ja) * | 1963-12-30 | 1965-08-20 | ||
JPS5587402A (en) * | 1978-12-25 | 1980-07-02 | Fuaasuto Denshi Yuugengaishiya | Sliding resistor |
JPS6011407U (ja) * | 1983-07-05 | 1985-01-25 | アルプス電気株式会社 | スライド形可変抵抗器 |
JPH0679105U (ja) * | 1993-04-21 | 1994-11-04 | 東京光音電波株式会社 | フェーダー |
JPH09171910A (ja) | 1995-12-20 | 1997-06-30 | Yutaka Nakamura | 直線型フェーダ装置 |
JP2008227065A (ja) * | 2007-03-12 | 2008-09-25 | Yamaha Corp | スライド操作装置 |
JP2016100371A (ja) * | 2014-11-18 | 2016-05-30 | ヤマハ株式会社 | 操作装置 |
JP2020031143A (ja) * | 2018-08-23 | 2020-02-27 | ヤマハ株式会社 | フェーダー装置 |
JP2021009488A (ja) | 2019-06-28 | 2021-01-28 | 株式会社野村総合研究所 | 盗難抑止装置 |
-
2021
- 2021-09-17 WO PCT/JP2021/034344 patent/WO2022158041A1/ja active Application Filing
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4018534B1 (ja) * | 1963-12-30 | 1965-08-20 | ||
JPS5587402A (en) * | 1978-12-25 | 1980-07-02 | Fuaasuto Denshi Yuugengaishiya | Sliding resistor |
JPS6011407U (ja) * | 1983-07-05 | 1985-01-25 | アルプス電気株式会社 | スライド形可変抵抗器 |
JPH0679105U (ja) * | 1993-04-21 | 1994-11-04 | 東京光音電波株式会社 | フェーダー |
JPH09171910A (ja) | 1995-12-20 | 1997-06-30 | Yutaka Nakamura | 直線型フェーダ装置 |
JP2008227065A (ja) * | 2007-03-12 | 2008-09-25 | Yamaha Corp | スライド操作装置 |
JP2016100371A (ja) * | 2014-11-18 | 2016-05-30 | ヤマハ株式会社 | 操作装置 |
JP2020031143A (ja) * | 2018-08-23 | 2020-02-27 | ヤマハ株式会社 | フェーダー装置 |
JP2021009488A (ja) | 2019-06-28 | 2021-01-28 | 株式会社野村総合研究所 | 盗難抑止装置 |
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