Patent application number | Description | Published |
20090231709 | IMAGING DEVICE - An imaging device includes an axial-direction moving member which moves between an operating position and a retracted position in an optical axis direction, an in-plane moving optical element movable in a plane orthogonal to the optical axis, a controller which moves the in-plane moving optical element in the orthogonal plane to a reference position when the image device changes from the operating state to the retracted state, and a mechanical guide device, provided between the axial-direction moving member and the in-plane moving optical element. In a state where the in-plane moving optical element is deviated from the reference position, the mechanical guide device guides the in-plane moving optical element to the reference position by using a moving force of the axial-direction moving member when the axial-direction moving member moves from the operating position to the retracted position. | 09-17-2009 |
20100277604 | FLEXIBLE WIRING BOARD MOUNTING STRUCTURE OF AN IMAGE SHAKE CORRECTING APPARATUS - A flexible wiring board mounting structure of an image shake correcting apparatus, the image shake correcting apparatus includes a image sensor serving as a part of a photographing optical system and capable of moving in directions orthogonal to an optical axis of the photographing optical system, a control circuit mounted to an element independent of the image sensor, and a flexible wiring board which connects the image sensor and the control circuit to each other. The flexible wiring board includes an inner side connecting portion connected to the image sensor, an outer side connecting portion connected to the control circuit, and a flexible portion provided in an allowance space defined between the inner side connecting portion, the outer side connecting portion, the image sensor and an inner peripheral surface of an innermost ring member, out of ring members that support lens groups of the photographing optical system. | 11-04-2010 |
20110134528 | POSITION CONTROLLER FOR OPTICAL ELEMENT - A position controller for an optical element includes a movable member and is supported by a support member to be movable from an anti-shake driving range to a removed position, an image-shake correction driver, and an insertion/removal operational member. The insertion/removal operational member includes a first press portion which presses the movable member from the anti-shake driving range to the removed position by the insertion/removal operational member moving from an insertion position to the removed holding position, a second press portion which presses the movable member to the anti-shake driving range by the insertion/removal operational member moving from the removed holding position to the insertion position, and a displacement prevention portion which allows the movable member to move within the anti-shake driving range and prevents the movable member from moving beyond the anti-shake driving range when the insertion/removal operational member is in the insertion position. | 06-09-2011 |
20110141565 | POSITION CONTROLLER FOR OPTICAL ELEMENT - A position controller includes a movable member which holds the optical element and supported by a support member to be linearly movable from an anti-shake driving range in which the optical element is positioned on an optical axis to a removed position outside of the anti-shake driving range, an electromagnetic actuator including first and second coils supported by the support member and first and second magnets supported by the movable member, and an insertion/removal operational member. When the movable member is in the anti-shake driving range, the first and second magnets face the first and second coils, respectively. The first and second magnets are arranged on opposite sides of a removing-direction center line passing through a center of the optical element in a moving direction of the movable member so that a distance between magnetic-pole boundary lines of the first and second magnets increases toward the anti-shake driving position. | 06-16-2011 |
20110141566 | POSITION CONTROLLER FOR OPTICAL ELEMENT - A position controller for an optical element of an optical system includes a first movable member supported by a support member to be movable relative thereto in a first direction orthogonal to an optical axis, a second movable member which holds the optical element and is supported by the first movable member to be movable relative thereto in a second direction which is nonparallel to the first direction, an electromagnetic actuator that produces a driving force for moving at least the second movable member in the second direction, and an insertion/removal drive mechanism for moving the second movable member between an anti-shake driving position, at which a position control for the second movable member can be performed using the electromagnetic actuator, and a removed position at which the second movable member is positioned outside a range of the position control that uses the electromagnetic actuator. | 06-16-2011 |
20120170919 | POSITION CONTROLLER FOR OPTICAL ELEMENT - A position controller for an optical element of an optical system includes a first movable member supported by a support member to be movable relative thereto in a first direction orthogonal to an optical axis, a second movable member holding the optical element and supported by the first movable member to be movable relative thereto in a second direction nonparallel to the first direction, an electromagnetic actuator that produces a driving force for moving at least the second movable member in the second direction, and an insertion/removal drive mechanism for moving the second movable member between an anti-shake driving position, where a position control for the second movable member can be performed using the electromagnetic actuator, and a removed position where the second movable member is positioned outside a range of the position control that uses the electromagnetic actuator. | 07-05-2012 |
20120218428 | POSITION CONTROLLER FOR IMAGE-STABILIZING INSERTABLE/REMOVABLE OPTICAL ELEMENT - A position controller for an image-stabilizing optical element in a optical system includes an advancing/retracting member; an anti shake frame supported by the advancing/retracting member and movable along a plane orthogonal to the optical axis; an insertable/removable frame holding the optical element and supported by the anti-shake frame to be movable between insertion and removed positions; an anti shake drive mechanism which drives the anti shake frame to perform an image-stabilizing operation; and a removal drive mechanism which imposes no movement limitations on the anti shake frame and the insertable/removable frame in a ready-to-photograph state, and which imparts a component force that moves the insertable/removable frame to the removed position in association with the insertable/removable frame when the advancing/retracting member moves to an accommodated position. | 08-30-2012 |
20120218429 | POSITION CONTROLLER FOR OPTICAL ELEMENT - A position controller for an optical element includes an advancing/retracting member, an anti-shake moving member, an insertable/removable moving member holding the optical element and supported by the anti-shake moving member to move between insertion and removed positions, an insertion holder holding the insertable/removable moving member in the insertion position in the ready-to-photograph state, a removal drive member supported by the advancing/retracting member between a position allowing the anti-shake moving member to move in a moving range and a forced removing position to move the insertable/removable moving member to the removed position, and an insertion/removal controller which holds the removal drive member in the insertion allowance position in the ready-to-photograph state and moves the removal drive member to the forced removing position in the accommodated state. | 08-30-2012 |
20120218635 | POSITION CONTROLLER FOR REMOVABLE OPTICAL ELEMENT - A position controller for a removable optical element in an optical system includes an advancing/retracting ring; a removable optical element holding member supported by the advancing/retracting ring and rotatable about a first rotational axis between an insertion position on the optical axis and a removed position; an insertion holder which holds the removable optical element holding member at the insertion position; a removal drive member supported by the advancing/retracting ring and rotatable about a second rotational axis between an insertion allowance position and a forced removing position; and an insertion/removal controller. A rotational radius from the second rotational axis to a contact point between the removable optical element holding member and the removal drive member is greater than a rotational radius from the first rotational axis to the contact point. | 08-30-2012 |
20120218636 | LENS BARREL HAVING AN IMAGE-STABILIZING INSERTABLE/REMOVABLE OPTICAL ELEMENT - A lens barrel having an insertable/removable optical element includes an advancing/retracting member, an anti-shake frame supported by the advancing/retracting member, an insertable/removable frame holding the insertable/removable optical element and supported by the anti-shake frame, an anti-shake drive mechanism, and a removal drive mechanism which moves the insertable/removable frame between the insertion and the removed positions. The anti-shake drive mechanism includes first and second anti-shake drive actuators positioned on the opposite side of the insertion position from the removed position and are respectively positioned on opposite sides of a straight line connecting a center of the insertable/removable optical element at the insertion position and at the removed position. Directions of driving forces produced by the first and second anti-shake drive actuators are at right angles to each other. | 08-30-2012 |
20120219275 | OPTICAL DEVICE HAVING AN IMAGE-STABILIZING INSERTABLE/REMOVABLE OPTICAL ELEMENT - An optical device includes an advancing/retracting member, an anti-shake frame supported by the advancing/retracting member, an insertable/removable frame which holds an image-stabilizing insertable/removable optical element and is rotatably supported by the anti-shake frame, a through-hole formed through the anti-shake frame to allow the insertable/removable frame to move between the insertion and removed positions, the through-hole including a circular arc groove about a rotational center of the insertable/removable frame and an outer end of the through-hole formed as an open end, and a bridge portion formed on the anti-shake frame to connect opposed inner walls of the through-hole at the outer end. The bridge portion is offset from the anti-shake frame and overlaps the clearance through-hole, as viewed in the optical axis direction. | 08-30-2012 |
20120219276 | POSITION CONTROLLER FOR IMAGE-STABILIZING INSERTABLE/REMOVABLE OPTICAL ELEMENT - A position controller for an image stabilizing optical element in an optical system includes an advancing/retracting frame which holds part of the optical system, a main actuator, an anti shake movable frame supported by the advancing/retracting frame, an anti shake drive actuator, an insertable/removable frame which holds the image stabilizing optical element and is supported by the anti shake movable frame, a removal drive mechanism which engages with the insertable/removable frame and moves the insertable/removable frame from an insertion position to a removed position, and a controller. Upon an inputter inputting a lens accommodating drive signal to the controller, the controller switches the anti shake drive actuator to a non driving state before moving the insertable/removable frame to the removed position by moving the advancing/retracting frame toward the accommodated position. | 08-30-2012 |
20130188066 | POSITION CONTROLLER FOR OPTICAL ELEMENT - A position controller for an optical element of a photographing optical system, includes an advancing/retracting ring, an anti-shake moving member supported by the advancing/retracting ring, an insertable/removable moving member which holds the optical element, a rear support member fixed to the advancing/retracting ring; a removal drive member supported by the rear support member to be movable between an insertion allowance position in which the removal drive member is in noncontact with the insertable/removable moving member in the insertion position, to thereby allow the anti-shake moving member to move in a moving range thereof, and a forced removing position in which the removal drive member comes in contact with and presses the insertable/removable moving member to move the insertable/removable moving member from the insertion position to the removed position; and an insertion/removal controller. | 07-25-2013 |
20140086568 | IMAGING APPARATUS - An imaging apparatus includes a front lens group including a front lens element and a prism, a prism holder which supports the prism, a movable frame which supports the front lens element and is supported by the prism holder to be movable along a plane orthogonal to the optical axis, and a driver which drives the movable frame to reduce image shake. The driver includes a permanent magnet and a coil positioned in a magnetic field of the permanent magnet, wherein one of the permanent magnet and the coil is a movable element which is fixed to the movable frame to move with the movable frame, the other of the permanent magnet and the coil is a fixed element, which does not move with the movable frame, and a position of the fixed element is determined by the prism holder. | 03-27-2014 |
20140086569 | IMAGING APPARATUS - An imaging apparatus includes a front lens group including a front lens element and a reflector, a movable frame supporting the front lens element, and a driver driving the movable frame to reduce image shake. The driver includes first and second voice coil motors, each including a coil and a magnet. The magnets are positioned orthogonal to each other in a plane orthogonal to a first optical axis that passes through the front lens element. The first and second voice coil motors are positioned on opposite sides of a first plane, including the first optical axis and a second optical axis that extends from the reflector. Centers of each magnet and coil are on one side of a second plane, including the first optical axis and is orthogonal to the first plane. The magnets are inclined and approach the first plane in a direction away from the second plane. | 03-27-2014 |
20140212119 | ELECTRICAL DRIVE DEVICE FOR BENDING PHOTOGRAPHING OPTICAL SYSTEM - An electrical drive device for a bending photographing optical system, the bending photographing optical system including a movable optical element that is movable in an optical axis direction and a reflection optical element positioned on the optical axis, the electrical drive device includes a motor provided with a leadscrew which extends therefrom in a direction parallel to the optical axis and drives the movable optical element to move in a direction of the optical axis. The leadscrew includes a threaded portion which screw-engages with a nut member provided on the movable optical element, and a small-diameter portion having a smaller diameter than that of the threaded portion, the small-diameter portion being positioned beside a side surface of the reflection optical element. | 07-31-2014 |
20140218798 | IMAGING APPARATUS - An imaging apparatus includes a driver which drives a front lens element, on the object side of a reflector, to reduce image shake. The driver includes voice coil motors, each having a coil and a permanent magnet. A coil-and-magnet combination is positioned on each opposite side of a first reference plane. Centers of each permanent magnet and coil are positioned on one side of a second reference plane, including the first optical axis and orthogonal to the first reference plane, a second optical axis extending on the other side of the second reference plane. Magnetic pole boundary lines of the permanent magnets are inclined to approach the first reference plane away from the second reference plane. The magnetic sensors are positioned on opposite sides of the respective coils from the first lens element side. | 08-07-2014 |
20140218799 | IMAGING APPARATUS - An imaging apparatus includes a front lens group having a front lens element and a prism, in that order from an object side, light rays exiting from the front lens element along a first optical axis being reflected by the prism to travel along a second optical axis nonparallel to the first optical axis, a rear lens group, and an anti-shake system. The anti-shake system includes a base member supporting the prism, a movable frame supporting the front lens element; and opposing guide members on opposite sides of the prism on both sides of a reference plane, respectively, in which the first and second optical axes lie, to support the movable frame to allow the movable frame to move along the plane orthogonal to the first optical axis relative to the base member. | 08-07-2014 |