Correction optical device

A correction optical device includes a rotating member that is disposed between a fixed member and a movable member that supports a compensation lens. By controlling rotation of the rotating member using the movable member, the movable member is locked and unlocked.

CORRECTING OPTICAL DEVICE AND IMAGE PICKUP APPARATUS

A correcting optical device according to an aspect of the present invention in which, when image shake is not corrected, a restricting member is caused to engage an engaging portion, to restrict translational movement of a movable member, and in which, when the image shake is corrected, the restricting member is caused to disengage the engaging portion, to cause the movable member to be in a state capable of the translational movement, the restricting member being provided at the rotary member, the engaging portion being provided at the movable member. A driving unit drives the movable member in a direction in which the movable member moves translationally with respect to a fixed member in a plane perpendicular to an optical axis of a correcting lens, so that the correcting lens corrects the image shake, and drives the rotary member in a direction in which the rotary member rotates around the optical axis. 1. A correcting optical device configured to correct image shake using a correcting lens on one hand and to restrict movement of the correcting lens when the image shake is not corrected on another hand , the correcting optical device comprising:a fixed member that rotatably supports a rotary member in a plane that is perpendicular to an optical axis of the correcting lens;a movable member where the correcting lens is supported so as to be movable translationally with respect to the fixed member in the plane that is perpendicular to the optical axis of the correcting lens; anda driving unit that is disposed between the movable member and the rotary member,wherein, on the one hand, the driving unit drives the movable member in a direction in which the movable member moves translationally with respect to the fixed member in the plane that is perpendicular to the optical axis of the correcting lens, so that the correcting lens corrects the image shake, andwherein, on the other hand, the driving unit drives the rotary member in a direction in which the rotary member ...

VIBRATION-TYPE ACTUATOR AND OPTICAL DEVICE USING THE SAME

A vibration-type actuator that enables to miniaturize and stabilize pressure state between a driven body and a vibration body. A pressurizing unit applies pressure force between projections on the vibration body and the driven body. A piezoelectric device connected to the vibration body on a surface opposite to the projections moves the driven body by occurring vibration in the vibration body when drive voltage is applied. The pressurizing unit includes an energizing member, its support member, and a transfer member. A length of a contact area between the projections and the driven body is shorter than a length of an area in which the transfer member transfers the pressure force from the energizing member to the vibration body and a length of a contact area between the energizing member and the support member, in a direction perpendicular to the moving direction and to a pressurizing direction by the pressurizing unit.

CORRECTION OPTICAL APPARATUS, IMAGE BLUR CORRECTION APPARATUS, AND IMAGE CAPTURING APPARATUS

A correction optical apparatus configured to correct an image blur includes a rotating member rotatably supported, a sliding member movable in a first direction, a movable member configured to be movable in a second direction and support a correction lens, a first driving unit provided between the rotating member and the sliding member, and a second driving unit provided between the sliding member and the movable member. The image blur is corrected by driving of the first and second driving units. When the image blur correction is not to be performed, a regulating member provided on the rotating member is made to engage with an engaging portion provided on the movable member by driving of the first driving unit, thereby regulating translation of the movable member. 1. A correction optical apparatus comprising:a fixed member;a rotating member configured to be rotatable with respect to the fixed member in a plane perpendicular to an optical axis of the correction optical apparatus;a sliding member configured to be movable with respect to the fixed member in a first direction in the plane perpendicular to the optical axis of the correction optical apparatus;a movable member configured to be movable with respect to the sliding member in a second direction crossing the first direction in the plane perpendicular to the optical axis of the correction optical apparatus;a first driving unit provided between the rotating member and the sliding member; anda second driving unit provided between the sliding member and the movable member,wherein the rotating member includes a regulating member, andwherein the movable member includes an engaging portion configured to be able to engage with the regulating member in a rotation direction of the rotating member.2. The apparatus according to claim 1 , wherein each of the first driving unit and the second driving unit comprises a vibration type actuator including a vibrator including an electromechanical energy conversion element.3. The ...

Vibration actuator including vibration element, and apparatus

A vibration actuator that is reduced in the change of posture of a vibration element with respect to a contact body. The vibration element unit and the contact body are movable relative to each other. The vibration element unit includes a vibration element in contact with the contact body, a first holding member that holds the vibration element, a base, a first supporting member that is fixed to the base, and movably supports the first holding member in a direction orthogonal to a friction sliding surface of the contact body in slide contact with the vibration element, while maintaining the vibration element in a predetermined posture with respect to the contact body, and an urging unit that is arranged on the base independently of the first supporting member and presses the vibration element in a direction orthogonal to the friction sliding surface of the contact body.

VIBRATING TYPE ACTUATOR PERFORMING LINEAR DRIVING, AND ELECTRONIC DEVICE

A vibrating type actuator which hardly causes a failure and can suppress occurrence of abnormal noise while not preventing vibration from being excited in a vibrator. The vibrating type actuator comprises a vibrator in which vibration is excited, and a contact body which is in contact with the vibrator, wherein the vibrator and the contact body move relatively to each other. The vibrating type actuator comprises a holding member which holds the vibrator, a pressurizing member which pressurizes the vibrator against the contact body, a support member which movably supports the holding member in a pressurizing direction, in which the pressurizing member performs pressurization, and an vibration damping member which is in contact with the holding member at a plurality of portions while sandwiching the holding member in a direction orthogonal to the pressurizing direction. 1. A vibrating type actuator that comprises a vibrator in which vibration is excited , and a contact body which is in contact with the vibrator , wherein the vibrator and the contact body move relatively to each other , the vibrating type actuator comprising:a holding member configured to hold the vibrator;a pressurizing member configured to pressurize the vibrator against the contact body;a support member configured to movably support the holding member in a pressurizing direction, in which the pressurizing member performs pressurization; anda vibration damping member which is in contact with the holding member at a plurality of portions while sandwiching the holding member in a direction orthogonal to the pressurizing direction.2. The vibrating type actuator according to claim 1 , wherein a pressing force that acts on the holding member at the plurality of portions in the direction orthogonal to the pressurizing direction is cancelled.3. The vibrating type actuator according to claim 1 , wherein a resultant force of the pressing force which acts on the holding member at the plurality of portions in ...

CORRECTING OPTICAL DEVICE, IMAGE DEFLECTION CORRECTING DEVICE AND IMAGING DEVICE

A correcting optical device including: a fixing member; a rotating member; a movable member; first and second drive units; and at least first and second contact members. For the regulation of movement of the movable member, rotational driving force is produced by the first and second drive units and, the rotating member is rotated in the opposite direction of the rotational direction of the movable member after the movable member is rotated to be brought into contact with the first contact member, whereby translational movement of the movable member is regulated. For image deflection correction, rotational driving force in the opposite direction of the rotational force is produced and, the rotating member is rotated in the opposite direction of the rotational direction of the movable member after the movable member is rotated to be brought into contact with the second contact member, whereby regulation on the movable member is released. 1. A correcting optical device comprising:a fixing member;a rotating member rotatably supported with respect to the fixing member in a plane perpendicular to an optical axis of the correcting optical device;a movable member supported to be movable in parallel and configured to hold a lens;at least first and second drive units provided between the movable member and the rotating member, and configured to produce driving force for moving the movable member; andat least first and second contact members configured to limit a movable range of the movable member,wherein the first and second drive units, the rotating member, the movable member, the first contact member, and the second contact member are adapted such that: for the regulation of movement of the movable member, by rotational driving force produced by the first and second drive units and, the rotating member is rotated in an opposite direction of a rotational direction of the movable member after the movable member is rotated in the rotational direction to be brought into ...

LINEAR DRIVING MECHANISM FOR DRIVING DRIVEN OBJECT, IMAGE PICKUP APPARATUS, LENS BARREL, AND STAGE MOVING APPARATUS

A linear driving mechanism capable of moving a driven object smoothly and lengthening its service life. A first vibration element and a second vibration element sandwich a friction member therebetween. A first holding member holding the first vibration element is rotatably supported by a first shaft. A second holding member holding the second vibration element is rotatably supported by a second shaft. An urging part moves the first holding member and the second holding member to press these vibration elements against the friction member. A coupling member couples the first holding member with a driven object. A pressing part presses the coupling member against a moving body including the first and second holding members. A direction of a pressing force of the pressing part intersects with the first shaft when the coupling member couples with the first holding member. 1. A linear driving mechanism comprising:a first vibration element and a second vibration element, the first and second vibration elements being disposed in touch with a friction member so that the friction member is sandwiched between the first and second vibration elements;a first holding member configured to hold the first vibration element, the first holding member being rotatably supported by a first shaft extending parallel to a movement direction of a moving body;a second holding member configured to hold the second vibration element, the second holding member being rotatably supported by a second shaft extending parallel to the movement direction;an urging part configured to move the first holding member around the first shaft to press the first vibration element against the friction member, and to move the second holding member around the second shaft to press the second vibration element against the friction member;a coupling member configured to couple the first holding member or the second holding member with a driven object; anda pressing part configured to press the coupling member against ...

Image forming apparatus with image bearing member adjustment

An image forming apparatus includes first and second image bearing members on which toner images are to be formed, a conveying member, and a conveying member position index detecting device for detecting a conveying member position index provided on the conveying member. The apparatus also includes an image bearing member position index detecting device for detecting image bearing member position indices provided on the second image bearing member, an adjusting device for adjusting a rotational speed of the second image bearing member, and a controller for controlling the adjusting device so as to adjust a position of an image bearing member position index correspondingly to the conveying member position index, on the basis of detection results of the conveying member position index detecting device and the image bearing member position index detecting device.

Correction optical apparatus, image blur correction apparatus, and image capturing apparatus

A correction optical apparatus configured to correct an image blur includes a rotating member rotatably supported, a sliding member movable in a first direction, a movable member configured to be movable in a second direction and support a correction lens, a first driving unit provided between the rotating member and the sliding member, and a second driving unit provided between the sliding member and the movable member. The image blur is corrected by driving of the first and second driving units. When the image blur correction is not to be performed, a regulating member provided on the rotating member is made to engage with an engaging portion provided on the movable member by driving of the first driving unit, thereby regulating translation of the movable member.

Correcting optical device, image deflection correcting device and imaging device

A correcting optical device including: a fixing member; a rotating member; a movable member; first and second drive units; and at least first and second contact members. For the regulation of movement of the movable member, rotational driving force is produced by the first and second drive units and, the rotating member is rotated in the opposite direction of the rotational direction of the movable member after the movable member is rotated to be brought into contact with the first contact member, whereby translational movement of the movable member is regulated. For image deflection correction, rotational driving force in the opposite direction of the rotational force is produced and, the rotating member is rotated in the opposite direction of the rotational direction of the movable member after the movable member is rotated to be brought into contact with the second contact member, whereby regulation on the movable member is released.

Liquid ejection printing apparatus and liquid supply method to be employed in the same

A liquid ejection printing apparatus performing printing by ejecting a liquid toward a printing medium includes a liquid ejection head portion having a liquid ejecting printing head ejecting a liquid and a first tank holding the liquid to be supplied to the head, a second tank holding a liquid to be supplied to the first tank and having an atmosphere communicating opening for introducing an atmospheric air, a third tank receiving the liquid from the first tank and capable of supplying the liquid to the second tank, a first liquid supply passage for communicating the first tank and the second tank, a second liquid supply passage for communicating the second tank and the third tank, a third liquid supply passage for communicating the third tank to the first tank, the first tank and the third tank each forming an enclosed space excluding supply passages connected respectively thereto, a pump capable of sucking a gas within the third tank provided in a passage other than the first, second and third supply passages and a first valve provided in the second supply passage for opening and closing the second liquid supply passage, and a second valve provided in the third tank for communicating the gas within the third tank to outside.

Ink tank coupling method, ink jet recording apparatus, and ink tank

Disclosed is an ink tank coupling method for an ink jet recording apparatus comprising a recording head (101), an ink supply needle, and a moving unit for moving the ink supply needle to a predetermined position, the recording apparatus being able to detachably mount an ink tank (1) containing ink supplied to the recording head. The method comprises a step of holding and fixing the ink tank (1) to a predetermined position by releasing a movement preventing unit which prevents movement of the ink supply needle caused by the moving unit, and pressing the ink tank (1) to abut a reference surface with an operation of attaching the ink tank (1) to the recording apparatus, and a step of inserting the ink supply needle to the predetermined position in the ink tank (1) by the moving unit after the holding and fixing step. Disclosed also an ink jet recording apparatus and an ink tank (1) adapted for carrying out the ink tank (1) coupling method with a relatively simple construction and with higher reliability of the coupling, while allowing users to recognize the proper coupling of the ink tank (1).

Correcting optical device, image deflection correcting device and imaging device

A correcting optical device including: a fixing member; a rotating member; a movable member; first and second drive units; and at least first and second contact members. For the regulation of movement of the movable member, rotational driving force is produced by the first and second drive units and, the rotating member is rotated in the opposite direction of the rotational direction of the movable member after the movable member is rotated to be brought into contact with the first contact member, whereby translational movement of the movable member is regulated. For image deflection correction, rotational driving force in the opposite direction of the rotational force is produced and, the rotating member is rotated in the opposite direction of the rotational direction of the movable member after the movable member is rotated to be brought into contact with the second contact member, whereby regulation on the movable member is released.

Ink jet recording head and ink jet recording apparatus

An ink jet recording head includes a flow passage for a liquid for cooling a recording element substrate. The flow passage is provided inside a support plate that supports the recording element substrate along a recording element array of the recording element substrate. The shortest distance between a recording element and the flow passage at the end of the support plate is larger than the shortest distance between a recording element and the flow passage in the middle of the support plate.

Apparat zum ausstossen von flüssigkeit und verfahren für die flüssigkeitsbehandlung

Inkjet printing apparatus and inkjet printing method

There is provided an inkjet printing apparatus having a printhead equipped with printing element row that includes printing elements having a plurality of heat-producing resistance elements. The apparatus includes a temperature sensing unit which senses the temperature of the printhead, a temperature distribution storage unit in which a temperature distribution along the printing element row, a temperature gradient calculating unit which calculates the temperature gradient of the printing element row from the temperature of the printhead sensed by the temperature sensing units, a predicting unit which predicts the temperature of each printing element using the temperature gradient and the temperature distribution along the printing element row, and a control unit which applies discharge pulses, which are decided based upon the predicted temperature from the predicting unit, to each of the printing elements.

Inspection method for a recording head, inspection apparatus for a recording head, and recording apparatus

A method is provided for inspecting a recording head including a plurality of electrothermal conversion elements and a temperature detection element placed above or below each of the plurality of electrothermal conversion elements. The method includes driving the electrothermal conversion element, determining whether there is a change in slope of a temperature fall process in temperature detected by the temperature detection element during a predetermined time, if it is determined that there is a change in slope of the temperature fall process, obtaining a timing of the change in slope, and determining whether ink is discharged normally based on the obtained timing of the change in slope and a predetermined timing of a change in slope of the temperature fall process.