Abstract: The disclosed technology is directed to an endoscopic image capturing device. The image capturing device comprises a first objective lens frame a first lens compartment housing therein first optical members of a first objective optical system and a second lens compartment housing therein second optical members of a second objective optical system that is positioned contiguously with the first objective optical system. A second objective lens frame is disposed for sliding movement with respect to the first objective lens frame in optical axis directions. An image capturing frame is disposed for sliding movement with respect to the second objective lens frame in the optical axis directions and housing therein an image capturing device that has an image capturing surface onto which first and second optical images that has passed through the first and second objective optical systems are focused. A positioning member is disposed in the objective optical system hole.

Abstract: An optical unit includes: an objective lens unit arranged on a distal end side; an image pickup unit arranged on a proximal end side of the objective lens unit; an optical frame; an image pickup device frame; a proximal-end-side outer circumferential face provided on a proximal end side of the optical frame; an inner circumferential face of a distal-end-side frame body provided on a distal end side of the image pickup device frame; a plurality of notches provided apart in a circumferential direction on an outer circumferential face of one of the frames, the plurality of notches having opening portions on end faces where the optical frame and the image pickup device frame face each other; and holding portions provided on an outer circumferential face of the other frame different from the one frame, the holding portions passing through the opening portions and being accommodated in the notches.

Abstract: An optical unit includes: an objective lens unit arranged on a distal end side; an image pickup unit arranged on a proximal end side of the objective lens unit; an optical frame; an image pickup device frame; a proximal-end-side outer circumferential face provided on a proximal end side of the optical frame; an inner circumferential face of a distal-end-side frame body provided on a distal end side of the image pickup device frame; a plurality of notches provided apart in a circumferential direction on an outer circumferential face of one of the frames, the plurality of notches having opening portions on end faces where the optical frame and the image pickup device frame face each other; and holding portions provided on an outer circumferential face of the other frame different from the one frame, the holding portions passing through the opening portions and being accommodated in the notches.

Abstract: The disclosed technology is directed to an endoscopic image capturing device. The image capturing device comprises a first objective lens frame a first lens compartment housing therein first optical members of a first objective optical system and a second lens compartment housing therein second optical members of a second objective optical system that is positioned contiguously with the first objective optical system. A second objective lens frame is disposed for sliding movement with respect to the first objective lens frame in optical axis directions. An image capturing frame is disposed for sliding movement with respect to the second objective lens frame in the optical axis directions and housing therein an image capturing device that has an image capturing surface onto which first and second optical images that has passed through the first and second objective optical systems are focused. A positioning member is disposed in the objective optical system hole.

Abstract: An endoscopic image pickup unit includes: a first fixed lens frame which holds a first objective lens group; a second fixed lens frame which, being fitted over the first fixed lens frame, holds a second objective lens group; a movable lens frame which, being installed in the second fixed lens frame so as to be able to move forward and backward along a photographic optical axis, holds a movable lens; and a deformation preventing member which, being interposed between a distal end body and the second fixed lens frame, prevents the second fixed lens frame from being deformed by fixing force of the fixing member when the endoscopic image pickup unit is fixed to the distal end body.

Abstract: An endoscopic image pickup unit includes: a first fixed lens frame which holds a first objective lens group; a second fixed lens frame which, being fitted over the first fixed lens frame, holds a second objective lens group; a movable lens frame which, being installed in the second fixed lens frame so as to be able to move forward and backward along a photographic optical axis, holds a movable lens; and a deformation preventing member which, being interposed between a distal end body and the second fixed lens frame, prevents the second fixed lens frame from being deformed by fixing force of the fixing member when the endoscopic image pickup unit is fixed to the distal end body.

Abstract: A lens drive control apparatus of the present invention controls a lens drive system that has a lens frame that holds a lens so as to be movable forward and backward in an optical axis direction of an optical lens, and a transmitting member that transmits to the lens frame a driving force generated by a strain deformation of a shape memory alloy member that exhibits a predetermined hysteresis characteristic between a temperature and an amount of deformation. The lens drive control apparatus includes a control section that, at a timing at which an instruction that causes the lens frame to move forward or backward stops, performs control that changes a temperature of the shape memory alloy member to a temperature belonging to a dead zone of the predetermined hysteresis characteristic.

Abstract: An image pickup apparatus includes a plurality of micro pins provided to project from a back surface in an image pickup device, a plurality of electric boards capable of mounting electric components and having board surfaces provided with through-holes or through-grooves formed to enable the plurality of micro pins to pass through respectively, and solder portions that fix the plurality of micro pins and the plurality of electric boards by soldering in land portions adjacent to the through-holes or the through grooves in a state in which the plurality of electric boards with the plurality of micro pins respectively passed through the through-holes or the through-grooves of the plurality of electric boards are stacked on the back surface of the image pickup device.

Abstract: A semiconductor device includes at least two or more groups of external connection terminals to which a substrate that drives a bare chip by inputting a signal from an external apparatus to the bare chip is electrically connected, the at least two or more groups of external connection terminals being formed outside an image area of the bare chip, wherein at least one group of terminals constitutes a first group of terminals, another group of terminals constitutes a second group of terminals, the first group of terminals doubles as the second group of terminals, and a substrate for inspection doubling as a substrate for mounting is electrically connected to the first group of terminals.

Abstract: A lens drive control apparatus of the present invention controls a lens drive system that has a lens frame that holds a lens so as to be movable forward and backward in an optical axis direction of an optical lens, and a transmitting member that transmits to the lens frame a driving force generated by a strain deformation of a shape memory alloy member that exhibits a predetermined hysteresis characteristic between a temperature and an amount of deformation. The lens drive control apparatus includes a control section that, at a timing at which an instruction that causes the lens frame to move forward or backward stops, performs control that changes a temperature of the shape memory alloy member to a temperature belonging to a dead zone of the predetermined hysteresis characteristic.

Abstract: An actuator apparatus of the present invention includes a movable body that is arranged so as to be movable forward or rearward, and a shape memory alloy wire that is provided directly or indirectly to the movable body so as to enter a non-tension state at an ordinary temperature. The shape memory alloy wire is subjected to expansion/contraction control in which an electric current is applied thereto from a power supply portion of an external control circuit portion to change a temperature thereof to a predetermined temperature.

Abstract: An endoscopic image pickup unit includes: a first fixed lens frame which holds a first objective lens group; a second fixed lens frame which, being fitted over the first fixed lens frame, holds a second objective lens group; a movable lens frame which, being installed in the second fixed lens frame so as to be able to move forward and backward along a photographic optical axis, holds a movable lens; and a deformation preventing member which, being interposed between a distal end body and the second fixed lens frame, prevents the second fixed lens frame from being deformed by fixing force of the fixing member when the endoscopic image pickup unit is fixed to the distal end body.

Abstract: An actuator apparatus of the present invention includes a movable body that is arranged so as to be movable forward or rearward, and a shape memory alloy wire that is provided directly or indirectly to the movable body so as to enter a non-tension state at an ordinary temperature. The shape memory alloy wire is subjected to expansion/contraction control in which an electric current is applied thereto from a power supply portion of an external control circuit portion to change a temperature thereof to a predetermined temperature.

Abstract: A lens unit of the present invention has a mounting cradle, a lens frame holding portion fixed to a mounting cradle in an optical axis direction, a lens frame which is held to the lens frame holding portion to be capable of moving to the optical axis direction, and a lens group fixed to the lens frame. The lens unit further has an adjusting screw provided parallel with the optical axis direction, a nut which is provided to the adjusting screw and whose position with respect to the mounting cradle is fixed, a cam portion which is fixed to the lens frame and is engaged with the adjusting screw, and a switching lever which is provided between the nut and the cam portion so as to be capable of rotationally moving about the adjusting screw, on the outside of the lens frame holding portion. A position of the lens frame in the optical axis direction is switched between a standard photographing position and a micro photographing position by rotational movement of the switching lever.

Abstract: Provided are a lens and a lens unit, whereby even in the case of a small-diameter lens, manufacturing can easily be performed, and a sufficient strength of adhesion to a lens holder can be obtained. The lens includes an effective portion; a peripheral edge portion provided around a periphery of the effective portion, wherein at least one of a front and a rear faces is a planar face intersecting an axial direction; and a rib portion that is provided around a periphery of the peripheral edge portion, that has a front and a rear faces wherein one of the front and the rear faces is a planar face intersecting the axial direction, and that has a thickness reduced to be thinner toward an outer side. The lens unit of the present invention is configured such that the lens is arranged at an end of a lens system, and the lens system is together assembled into a lens holder.

Abstract: A lens unit or an image pickup unit including an image pickup device in addition to the lens unit comprises a base member located on an image pickup device side and a cover member to be directed to an object side. A slider is attached to the cover member to be axially movable. The slider is to hold the lens or a lens holder. A piezoelectric element actuator for driving the slider is also attached to the cover member. Thus, only a back face of the base member has to be adapted to various types of image pickup devices. A front face thereof may be formed in a simple shape for attachment of the base member to the cover member. Accordingly, the lens unit and the image pickup unit can easily conform to various types of image pickup devices. Further, the inner shape of the lens holder can be adapted to various types of lenses, so that the lens unit needs no change in structure.

Abstract: A lens unit of the present invention has a mounting cradle, a lens frame holding portion fixed to a mounting cradle in an optical axis direction, a lens frame which is held to the lens frame holding portion to be capable of moving to the optical axis direction, and a lens group fixed to the lens frame. The lens unit further has an adjusting screw provided parallel with the optical axis direction, a nut which is provided to the adjusting screw and whose position with respect to the mounting cradle is fixed, a cam portion which is fixed to the lens frame and is engaged with the adjusting screw, and a switching lever which is provided between the nut and the cam portion so as to be capable of rotationally moving about the adjusting screw, on the outside of the lens frame holding portion. A position of the lens frame in the optical axis direction is switched between a standard photographing position and a micro photographing position by rotational movement of the switching lever.

Abstract: Provided are a lens and a lens unit, whereby even in the case of a small-diameter lens, manufacturing can easily be performed, and a sufficient strength of adhesion to a lens holder can be obtained. The lens includes an effective portion; a peripheral edge portion provided around a periphery of the effective portion, wherein at least one of a front and a rear faces is a planar face intersecting an axial direction; and a rib portion that is provided around a periphery of the peripheral edge portion, that has a front and a rear faces wherein one of the front and the rear faces is a planar face intersecting the axial direction, and that has a thickness reduced to be thinner toward an outer side. The lens unit of the present invention is configured such that the lens is arranged at an end of a lens system, and the lens system is together assembled into a lens holder.

Abstract: The present invention provides an imaging device that is possible to conduct a focus adjustment with a high degree of accuracy due to high accurate fit between a hanger shaft and a hanger shaft hole of a lens frame. The imaging device 1 has an imaging unit 2, an optical unit 4 comprising a lens 16 and a lens frame 17 which supports the lens 16 and has a hanger shaft hole 19, a chassis 3 on which a hanger shaft 12 is integrally formed to fit into the hanger shaft hole 19, and a drive unit 5 for actuating the lens frame 17 of the optical unit 4 in an optical axis direction. The hanger shaft 12 has a plurality of diameters d1, d2 so that the chassis side of the hanger shaft 12 is largest and the side apart from the chassis 3 becomes small. The hanger shaft hole 19 has a plurality of diameters d3, d4 which fit to the hanger shaft 12.

Abstract: The present invention provides an imaging device that is miniature despite of having an drive unit. The imaging device has an imaging unit 2 having a photoelectric converter 8 for converting an optical image into electric signal, an optical unit 4 for forming the optical image of a subject on the photoelectric converter 8, an drive unit 5 for actuating at least part of the optical unit 4 in an optical axis direction, and a detector 6 for detecting a position of at least part of the optical unit 4 with respect to the optical axis direction. At least either of the drive unit 5 and the detector 6 are provided in a projected area A of the imaging unit 2 in the optical axis direction.