WO2014196212A1 - リニア超音波モータ及びそれを有する光学装置 - Google Patents
リニア超音波モータ及びそれを有する光学装置 Download PDFInfo
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- WO2014196212A1 WO2014196212A1 PCT/JP2014/003046 JP2014003046W WO2014196212A1 WO 2014196212 A1 WO2014196212 A1 WO 2014196212A1 JP 2014003046 W JP2014003046 W JP 2014003046W WO 2014196212 A1 WO2014196212 A1 WO 2014196212A1
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- Prior art keywords
- movable
- movable part
- ultrasonic motor
- linear ultrasonic
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- 230000003287 optical effect Effects 0.000 title 1
- 238000005096 rolling process Methods 0.000 claims abstract description 34
- 238000003825 pressing Methods 0.000 claims abstract description 28
- 238000003384 imaging method Methods 0.000 claims description 3
- ORQBXQOJMQIAOY-UHFFFAOYSA-N nobelium Chemical compound [No] ORQBXQOJMQIAOY-UHFFFAOYSA-N 0.000 description 10
- 230000005484 gravity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- CNQCVBJFEGMYDW-UHFFFAOYSA-N lawrencium atom Chemical compound [Lr] CNQCVBJFEGMYDW-UHFFFAOYSA-N 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/10—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors
- H02N2/103—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors by pressing one or more vibrators against the rotor
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/08—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/0005—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing non-specific motion; Details common to machines covered by H02N2/02 - H02N2/16
- H02N2/005—Mechanical details, e.g. housings
- H02N2/0055—Supports for driving or driven bodies; Means for pressing driving body against driven body
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/02—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors
- H02N2/026—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors by pressing one or more vibrators against the driven body
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/10—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors
- H02N2/12—Constructional details
Definitions
- the present invention relates to an ultrasonic motor, and more particularly to a linear drive type ultrasonic motor (hereinafter referred to as “linear ultrasonic motor”).
- a high-frequency voltage is applied to a piezoelectric element to vibrate an ultrasonic vibrator to which the piezoelectric element is fixed.
- the vibration of the ultrasonic vibrator drives the sliding member pressed by the ultrasonic vibrator.
- a linear ultrasonic motor can maintain a high output even if it is small, and various devices for improving driving efficiency are considered.
- the object of the present invention is to solve the above-mentioned problems, and it is not necessary to increase the overall length of the unit in the driving direction of the driven member without reducing the output, the driving efficiency, and the amount. It is to provide a compact linear ultrasonic motor.
- the linear ultrasonic motor of the present invention has the following configuration.
- a movable part that is linearly driven including a vibrator having a piezoelectric element, and a pressurizing part that applies a pressing force to the vibrator to press contact with the base part; and a direction that intersects the moving direction of the movable part
- the movable portion is sandwiched between the guide portion of the movable portion and the cover guide portion of the cover portion extending in the moving direction of the movable portion, and the movable portion extends beyond the side of the fixed portion facing the movable portion. It is located outside.
- the movable part of the linear ultrasonic motor of the present invention has the following configuration.
- a movable part of a linear ultrasonic motor which is arranged between a base part and a cover plate fixed to the base part and is linearly driven with a rolling part interposed between the base plate and a piezoelectric element
- a vibrator having a pressure part, a pressure part that applies pressure to the vibrator and press-contacts the base part, and a guide part that houses the rolling part, and three guide parts are provided.
- the guide portions are arranged so that a triangle is formed by connecting the guide portions with a straight line, and the pressurizing portion is formed in a triangle formed by connecting the rolling portions accommodated in the guide portions with a straight line. It is characterized by being linearly driven so that the center of pressing is positioned.
- FIG. 1 shows a side view of a linear ultrasonic motor according to the present invention.
- FIG. 1 is an exploded perspective view of a linear ultrasonic motor according to the present invention.
- the front view of the linear ultrasonic motor unit by this invention in case a movable part exists in an intermediate position is shown.
- the front view of the linear ultrasonic motor unit by this invention when a movable part exists in a positive side machine end is shown.
- the front view of the linear ultrasonic motor unit by this invention in case a movable part exists in a negative side machine end is shown.
- It is sectional drawing of the lens barrel which mounts the linear ultrasonic motor by this invention.
- the same members in the drawings are indicated by the same symbols, and the moving direction with respect to the base portion of the movable portion described later is defined as the X axis.
- the normal direction of the contact portion of the diaphragm included in the movable portion is defined as the Z axis.
- a direction perpendicular to the X axis and the Z axis is defined as the Y axis.
- the directions of the axes in each figure are as shown in the figure, but are not limited thereto.
- FIG. 1 is a side view of a linear ultrasonic motor according to an embodiment of the present invention viewed from the Y-axis direction.
- FIG. 2 is an exploded perspective view of the linear ultrasonic motor shown in FIG.
- the linear ultrasonic motor 100 in the present embodiment has a long axis in the X-axis direction and is formed of each member described below.
- the piezoelectric element 102 is fixed to the diaphragm 101 by a known adhesive or the like, and the piezoelectric element 102 excites ultrasonic vibration by applying a voltage.
- the method for bonding the vibration plate 101 and the piezoelectric element 102 is not limited as long as they are bonded.
- the vibration plate 101 further includes a contact portion 101a, and the contact portion 101a is in contact with a contact base member 115, which will be described later, in a pressure contact state involving pressing.
- the vibrator 103 is formed by the diaphragm 101 and the piezoelectric element 102.
- a resonance phenomenon occurs in the vibrator 103 when the piezoelectric element 102 generates ultrasonic vibration in a state where the vibration plate 101 and the piezoelectric element 102 are bonded.
- an elliptical motion occurs in the contact portion 101a of the diaphragm 101.
- the vibrator support member 104 has a convex cross section in the YZ plane and includes a through hole for receiving the spring 108 and the spring holding member 107.
- the spring holding member 107 has a surface for receiving and holding one end of the spring 108, and is in surface contact with the pressure plate 105 on the back side of the surface. The other end of the spring is in contact with the spring pressing plate 109, and the spring pressing plate 109 can be fitted into the through hole of the vibrator support member 104.
- the spring 108 is held by the spring holding member 107 and is sandwiched between the pressure plate 105 and the spring pressing plate 109. As a result, the spring 108 can freely expand and contract, and a pressing force is applied in the Z-axis direction.
- the pressure plate 105 has two protrusions on the surface on the side receiving the holding member 107 in a direction parallel to the normal line of the surface.
- the two protrusions are respectively received in holes provided in the vibrator support member 104.
- An elastic member 106 is disposed between the piezoelectric element 102 and the pressure plate 105.
- the elastic member 106 prevents direct contact between the pressure unit and the piezoelectric element 102 and prevents damage to the piezoelectric element.
- the moving plate 110 includes a substantially rectangular fitting hole and a groove having a V-shaped cross section (hereinafter referred to as “V groove”), and three guide portions 110a, 110b, and 110c, and supports the vibrator.
- the protruding portion of the member 104 is fitted into the fitting hole of the moving plate 110.
- the V-groove guide portions 110a, 110b, and 110c have a predetermined length in the X-axis direction, and spherical rolling members 111a, 111b, and 111c as rolling portions are fitted in the respective portions.
- the cover plate 112 as a cover portion also includes a substantially rectangular fitting hole and three V-groove cover guide portions 112a, 112b, and 112c having a predetermined length in the X-axis direction.
- the protruding portion of the vibrator support member 104 is fitted.
- the V-groove cover guide portions 112a, 112b, and 112c and the V-groove guide portions 110a, 110b, and 110c are provided at positions facing each other.
- the rolling members 111 a, 111 b, and 111 c are also held and accommodated in the V-groove cover guide portions 112 a, 112 b, and 112 c, respectively. Relative movement is possible along the direction without play.
- the linear ultrasonic motor 100 further includes a base plate 114.
- the base plate 114 has a concave shape in the XZ plane, and has side walls 114a-1 and 114a-2 in the direction intersecting the X-axis direction at both ends in the X-axis direction, and a fixed portion 114b-1 consisting of a part thereof. 114b-2.
- Each of the fixing portions 114b-1 and 114b-2 has a screw hole at the top thereof and faces the screw hole of the cover plate 112.
- the cover plate and the base plate 114 are fixed to each other by screws 113, but the method is not limited as long as they are fixed.
- the contact base member 115 is fixed with screws or the like (not shown) from the lower side of the Z axis.
- the contact basic member 115 is in contact with the contact portion 101 a of the diaphragm 101, and the elliptical motion generated in the vibrator 103 due to the friction between the contact base member 115 is used as the driving force of the movable portion 120.
- the movable portion 120 is linearly driven in the X-axis direction by the driving force and can be advanced and retracted. Note that the method of fixing the base plate 114 and the contact base member 115 is not limited as long as the fixing is fixed.
- the movable portion 120 is formed by the vibrator 103, the elastic member 106, the pressure plate 105, the vibrator support member 104, the spring holding member 107, the spring 108, the spring pressing plate 109, and the moving plate 110.
- a base portion is formed by the cover plate 112, the screw 113, the ground plate 114, and the contact base member 115.
- the spring 108 applies a pressing force to the pressure plate 105 via the spring holding member 107.
- the pressing force further becomes an urging force that presses the vibrator 103 against the contact base member 115 via the elastic member 106.
- the contact portion 101a of the vibration plate 101 comes into contact with the contact base member 115 in a pressed state.
- the reaction force of the pressing force from the contact base member 115 is received by the cover plate 112 via the movable portion and the rolling member.
- the movable unit 120 can advance and retract in the X-axis direction.
- Each member described above is incorporated and unitized as a linear ultrasonic motor.
- FIG. 3A, FIG. 3B, and FIG. 3C are front views of the linear ultrasonic motor unit shown in FIG. 1, as viewed from the Z-axis direction.
- the cover plate 112 is not shown.
- the pressing center F is a point that coincides with the center of gravity of the spring pressing plate 109, and the center of gravity of each member of the pressing unit can be connected by a straight line parallel to the Z axis. Therefore, the pressing center F coincides with the force point when the pressing force by the spring 108 is concentrated at one point.
- the moving plate 110 of the movable portion 120 of the linear ultrasonic motor has a convex shape when viewed in the Z-axis direction, and the width in the Y-axis direction is substantially equal to the width in the Y-axis direction of the base plate 114 of the base portion. equal.
- the intersecting point of the diagonal line of the substantially rectangular hole of the moving plate 110 that fits the protruding portion of the transducer support member 104 coincides with the pressing center.
- the protrusions 110d-1 and 110d-2 at both ends in the X-axis direction of the moving plate 110 are provided with guide portions 110a and 110b having a predetermined length and a predetermined width on the same straight line parallel to the X-axis. ing.
- a guide portion 110c having the same dimensions as the guide portions 110a and 110b is provided on a straight line parallel to the X axis on the opposite side in the Y axis direction from the protrusions 110d-1 and 110d-2 with respect to the pressing center F.
- the guide part 110c is formed such that its center in the longitudinal direction is on a straight line passing through the pressing center F and parallel to the Y axis.
- the base plate 114 of the base portion is provided with side walls 114a-1 and 114a-2 as wall portions facing each other in the X-axis direction and having a step in the Z-axis direction.
- the fixing portions 114b-1 and 114b-2 projecting in the Z-axis direction of the side walls 114a-1 and 114a-2 have a length in the Y-axis direction shorter than a width of the base plate 114 in the Y-axis direction. This is because, as will be described in detail below, when the movable portion 120 moves, the movement of the projecting portions 110d-1 and 110d-2 extending in the X-axis direction of the movable plate 110 is not hindered.
- FIG. 3A shows a state in which the movable part 120 is at an intermediate position of the movable range on the base part.
- the rolling members 111a, 111b, and 111c are located in the middle of the X-axis direction, that is, the longitudinal direction of the respective guide portions 110a, 110b, and 110c.
- the pressing center F exists in the triangle T-1 formed by connecting the centers of the rolling members 111a, 111b, and 111c.
- FIG. 3B shows a state where the movable unit 120 is located at the positive side machine end that is the limit of the movable range on the positive side of the X axis with respect to the intermediate position.
- the moving plate 110 has a stop protrusion 110e-1 that first contacts the side wall 114a-1 on the X axis positive side. Therefore, when the movable part 120 is driven from the intermediate position in the positive direction of the X axis, the stop protrusion 110e-1 and the inner side of the side wall 114a-1 of the main plate 114 come into contact with each other to define the mechanical end of the movable part 120. .
- the protrusion 110d-1 of the moving plate 110 can move to the stepped portion of the side wall 114a-1 of the main plate 114. Further, since the guide portion 110a of the V groove of the moving plate 110 extends to the protruding portion 110d-2, it extends outward in the X-axis positive direction from the inside of the side wall 114a-1 of the base plate 114. Thereby, the movable amount of the movable part 120 with respect to the ground plane 114 in the positive direction of the X axis is secured.
- FIG. 3B shows a case where the stop projection 110e-1 and the inside of the side wall 114a-1 are in contact with each other to define the moving end of the movable unit 120.
- the present invention is not limited to this, and the movement range of the movable unit 120 may be defined using a control unit (not shown) within the movable range of the movable unit 120.
- the control unit may control the stop part 110e-1 of the movable part 120 to stop the movable part 120 at the control end before the abutting against the side wall 114a-1 of the main plate 114.
- the guide part 110a of the V-groove extends in the positive direction of the X axis from the inside of the side wall 114a-1, and the moving amount of the movable part 120 in the positive direction can be secured.
- a pressing center F exists in a triangle formed by connecting the centers of the rolling members 111a, 111b, and 111c.
- FIG. 3C shows a state where the movable part 120 is located at the negative machine end that is the limit of the movable range on the negative side of the X axis with respect to the intermediate position.
- the moving plate 110 has a stop projection 110e-2 that first contacts the side wall 114a-2 on the X axis negative side. Therefore, when the movable part 120 is driven from the intermediate position in the negative direction of the X axis, the stop protrusion 110e-2 and the inside of the side wall 114a-2 of the main plate 114 come into contact with each other, thereby defining the mechanical end of the movable part 120. At this time, similarly to the case of FIG.
- the protruding portion 110d-2 of the moving plate 110 can move to the step portion of the side wall 114a-2 of the base plate 114. Further, the guide part 110b of the V groove of the moving plate 110 extends outward in the negative direction of the X axis from the inside of the side wall 114a-2 of the base plate 114. Thereby, the movable amount of the movable part 120 with respect to the base plate 114 in the negative direction of the X axis is secured.
- FIG. 3C shows a case where the stop projection 110e-2 and the inside of the side wall 114a-2 are in contact with each other to define the moving end of the movable unit 120.
- the present invention is not limited to this, and the movement range of the movable unit 120 may be defined using a control unit (not shown) within the movable range of the movable unit 120.
- the control unit may control the stop part 110e-1 of the movable part 120 to stop the movable part 120 at the control end before the abutting against the side wall 114a-1 of the main plate 114.
- the guide part 110b of the V-groove extends in the negative direction of the X axis from the inside of the side wall 114a-2, and the moving amount of the movable part 120 in the negative direction can be ensured.
- a pressing center F exists in a triangle formed by connecting the centers of the rolling members 111a, 111b, and 111c.
- the pressing center is always present in the triangle connecting the guide parts of the movable part with a straight line.
- the V-groove guide portion of the moving plate 110 extends from the inside of the side wall of the base plate 114 at each of the positive machine end and the negative machine end. At this time, only one of the ends may be extended according to the restriction in the X-axis direction.
- a compact linear ultrasonic motor that does not need to increase the overall length of the unit in the driving direction of the driven member without reducing output, driving efficiency, and driving amount. Obtainable.
- FIG. 4 shows a lens barrel as an example of a lens apparatus in which the linear ultrasonic motor 100 of the present invention is incorporated as a unit.
- the lens barrel is substantially rotationally symmetric, only the upper half of the lens barrel is shown.
- a lens barrel 200 is detachably attached to a camera body 1 as an imaging device, and an imaging element 1a is provided in the camera body 1.
- the mount 11 of the camera body 1 has a bayonet portion for attaching the lens barrel 200 to the camera body 1.
- the lens barrel 200 has a fixed barrel 12 and is in contact with the flange portion of the mount 11.
- the fixed cylinder 12 and the mount 11 are fixed to screws (not shown). Further, the front barrel 13 holding the lens G1 and the rear barrel 14 holding the lens G3 are fixed to the fixed barrel 12.
- the lens barrel 200 further includes a focus lens holding frame 15, and holds the focus lens G2.
- the focus lens holding frame 15 is further held by a known guide bar 16 held by the front lens barrel 13 and the rear lens barrel 14 so as to be able to move linearly.
- a flange portion (not shown) is formed on the ground plate 114 of the ultrasonic motor unit 100 and is fixed to the rear lens barrel 14 with screws or the like.
- the driving force is transmitted to the focus lens holding frame 15 via the driving force transmitting part 130.
- the focus lens holding frame 15 is linearly moved by the guide bar 16 described above.
- Piezoelectric element 103 Vibrator 108 Spring 110a, 110b, 110c Guide part 111a, 111b, 111c Rolling member 112 Cover plate 112a, 112b, 112c Cover guide part 114 Ground plate 114a-1, 114a-2 Side wall 115 Contact base member 200 Lens Lens tube F Press center
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Abstract
Description
103 振動子
108 バネ
110a、110b、110c 案内部
111a、111b、111c 転動部材
112 カバープレート
112a、112b、112c カバー案内部
114 地板
114a-1、114a-2 側壁
115 接触基礎部材
200 レンズ鏡筒
F 押圧中心
Claims (14)
- 圧電素子を有する振動子と、該振動子に押圧力を付与して基礎部に加圧接触させる加圧部とを含みリニア駆動される可動部と、
前記可動部の移動方向に交差する方向に延在する固定部により前記基礎部に固定され、転動部を介して前記押圧力の反力を受けるカバー部と、
を備え、
前記転動部は、前記可動部の移動方向に延在する前記可動部の案内部と、前記可動部の移動方向に延在する前記カバー部のカバー案内部とに挟持され、
前記可動部が少なくとも一方の移動端に位置する際に、前記可動部の前記案内部は、前記固定部の前記可動部に面している側を越えて外方に位置する、ことを特徴とするリニア超音波モータ。 - 前記可動部の前記案内部は3つ設けられており、各案内部同士を直線で結んで三角形が形成されるように配置されている、ことを特徴とする請求項1に記載のリニア超音波モータ。
- 前記可動部の前記案内部に収容された前記転動部同士を直線で結んで形成される三角形内に、前記加圧部の押圧中心が位置するようにして前記可動部がリニア駆動される、ことを特徴とする請求項2に記載のリニア超音波モータ。
- 前記固定部は前記基礎部に設けられた壁部を含み、前記可動部が少なくとも一方の移動端に位置する際に、前記可動部の前記案内部が、前記固定部の前記壁部の内側を越えて外方に位置する、ことを特徴とする請求項1から3のいずれか一項に記載のリニア超音波モータ。
- 前記可動部が前記固定部に当接する手前で停止して前記移動端を画定するように、前記可動部のリニア駆動は制御部により制御される、ことを特徴とする請求項1から4のいずれか一項に記載のリニア超音波モータ。
- 前記可動部の少なくとも一部が前記固定部に当接した際に前記移動端が画定される、ことを特徴とする請求項1から4のいずれか一項に記載のリニア超音波モータ。
- 前記可動部の少なくとも一部が前記壁部に当接した際に前記移動端が画定される、ことを特徴とする請求項4に記載のリニア超音波モータ。
- 請求項1から7のいずれか一項に記載のリニア超音波モータを有するレンズ装置。
- 請求項8に記載のレンズ装置を有する、撮像装置。
- 基礎部と該基礎部に固定されたカバー部との間に配置され、該カバー部との間に転動部を介在させてリニア駆動されるリニア超音波モータの可動部であって、
圧電素子を有する振動子と、
前記振動子に押圧力を付与して前記基礎部に加圧接触させる加圧部と、
前記転動部を収容する案内部と、
を備え、
前記案内部は3つ設けられており、各案内部同士を直線で結んで三角形が形成されるように配置され、
前記案内部に収容された前記転動部同士を直線で結んで形成される三角形内に、前記加圧部の押圧中心が位置するようにしてリニア駆動される、ことを特徴とするリニア超音波モータの可動部。 - 前記基礎部は固定部を備え、該固定部は前記可動部の移動方向に交差する方向に延在して前記カバー部を固定し、
前記可動部が少なくとも一方の移動端に位置する際に、前記案内部が、前記固定部の前記可動部に面している側を越えて外方に位置する、
ことを特徴とする請求項10に記載のリニア超音波モータの可動部。 - 前記可動部のリニア駆動は制御部により制御され、前記可動部が前記固定部に当接する手前で停止して前記移動端を画定する、ことを特徴とする請求項11に記載のリニア超音波モータの可動部。
- 前記可動部の少なくとも一部が前記固定部に当接した際に前記移動端を画定する、ことを特徴とする請求項11に記載のリニア超音波モータの可動部。
- 前記固定部は前記基礎部に設けられた壁部を含み、前記可動部の少なくとも一部が前記壁部に当接した際に前記移動端を画定する、ことを特徴とする請求項11に記載のリニア超音波モータの可動部。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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DE112014002708.1T DE112014002708B4 (de) | 2013-06-07 | 2014-06-06 | Linearer Ultraschallmotor und optische Vorrichtung, die selbigen aufweist |
CN201480020523.0A CN105103429B (zh) | 2013-06-07 | 2014-06-06 | 线性超声波马达和包括该线性超声波马达的光学设备 |
US14/892,147 US9917536B2 (en) | 2013-06-07 | 2014-06-06 | Linear ultrasonic motor and optical apparatus including the same |
GB1517826.2A GB2527011B (en) | 2013-06-07 | 2014-06-06 | Linear ultrasonic motor and optical device equipped with same |
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JP2013120737A JP5683643B2 (ja) | 2013-06-07 | 2013-06-07 | リニア超音波モータ及びそれを有する光学装置 |
JP2013-120737 | 2013-06-07 |
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JP (1) | JP5683643B2 (ja) |
CN (1) | CN105103429B (ja) |
DE (1) | DE112014002708B4 (ja) |
GB (1) | GB2527011B (ja) |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2905890A1 (en) * | 2014-01-16 | 2015-08-12 | Canon Kabushiki Kaisha | Linear vibration-wave motor |
JP2019187195A (ja) * | 2018-04-17 | 2019-10-24 | キヤノン株式会社 | 移動装置 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6489940B2 (ja) * | 2015-05-28 | 2019-03-27 | キヤノン株式会社 | 振動波モータ |
JP6652794B2 (ja) * | 2015-07-15 | 2020-02-26 | キヤノン株式会社 | 振動波モータ |
JP6818428B2 (ja) * | 2016-04-28 | 2021-01-20 | キヤノン株式会社 | 振動波モータ及びこれを用いた装置 |
JP6869751B2 (ja) * | 2017-03-02 | 2021-05-12 | キヤノン株式会社 | 振動波モータ及び振動波モータを有する光学装置 |
CN114518633B (zh) * | 2020-11-18 | 2023-11-14 | 河源友华微机电科技有限公司 | 微型相机的压电式低耗电驱动装置 |
CN114545582B (zh) * | 2020-11-18 | 2023-11-14 | 河源友华微机电科技有限公司 | 微型相机的压电式弹片式驱动装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010226940A (ja) * | 2009-02-25 | 2010-10-07 | Olympus Corp | リニア駆動型超音波モータ |
JP2013158165A (ja) * | 2012-01-31 | 2013-08-15 | Canon Inc | 振動波駆動装置、二次元駆動装置及び画像振れ補正装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3192029B2 (ja) * | 1993-05-14 | 2001-07-23 | オリンパス光学工業株式会社 | 超音波モータ |
JP2005057839A (ja) * | 2003-08-06 | 2005-03-03 | Olympus Corp | 振動波リニアモータ及びそれを用いたレンズ装置 |
JP4521165B2 (ja) * | 2003-08-06 | 2010-08-11 | オリンパス株式会社 | 振動波リニアモータ |
JP4576214B2 (ja) * | 2004-11-26 | 2010-11-04 | オリンパスイメージング株式会社 | 超音波モータおよびレンズ鏡筒 |
DE102005039357B4 (de) | 2005-03-21 | 2007-07-12 | Physik Instrumente (Pi) Gmbh & Co. Kg | Optische Objektivbaugruppe |
JP5121058B2 (ja) * | 2008-04-24 | 2013-01-16 | オリンパス株式会社 | リニア駆動型超音波モータ |
JP2010130889A (ja) * | 2008-12-01 | 2010-06-10 | Olympus Corp | リニア駆動型超音波モータ |
JPWO2010113764A1 (ja) * | 2009-04-01 | 2012-10-11 | オリンパス株式会社 | 超音波モータ装置 |
JP5766106B2 (ja) | 2011-12-08 | 2015-08-19 | 信越ポリマー株式会社 | 撥水性燃料電池用セパレータおよびその製造方法 |
JP5955347B2 (ja) * | 2013-04-01 | 2016-07-20 | キヤノン株式会社 | リニア超音波モータ及びそれを用いた光学装置 |
-
2013
- 2013-06-07 JP JP2013120737A patent/JP5683643B2/ja active Active
-
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010226940A (ja) * | 2009-02-25 | 2010-10-07 | Olympus Corp | リニア駆動型超音波モータ |
JP2013158165A (ja) * | 2012-01-31 | 2013-08-15 | Canon Inc | 振動波駆動装置、二次元駆動装置及び画像振れ補正装置 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2905890A1 (en) * | 2014-01-16 | 2015-08-12 | Canon Kabushiki Kaisha | Linear vibration-wave motor |
KR101818059B1 (ko) | 2014-01-16 | 2018-01-12 | 캐논 가부시끼가이샤 | 리니어 진동파 모터 |
US9893651B2 (en) | 2014-01-16 | 2018-02-13 | Canon Kabushiki Kaisha | Linear vibration-wave motor |
JP2019187195A (ja) * | 2018-04-17 | 2019-10-24 | キヤノン株式会社 | 移動装置 |
JP7027237B2 (ja) | 2018-04-17 | 2022-03-01 | キヤノン株式会社 | 移動装置 |
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JP5683643B2 (ja) | 2015-03-11 |
GB2527011B (en) | 2019-01-23 |
GB201517826D0 (en) | 2015-11-25 |
JP2014239605A (ja) | 2014-12-18 |
DE112014002708B4 (de) | 2022-08-11 |
CN105103429B (zh) | 2017-09-22 |
GB2527011A (en) | 2015-12-09 |
CN105103429A (zh) | 2015-11-25 |
US20160111979A1 (en) | 2016-04-21 |
DE112014002708T5 (de) | 2016-03-03 |
US9917536B2 (en) | 2018-03-13 |
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