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| Number | Title | Issue Date |
| 8094392 | Driving device for optical component and lens barrel A driving device for an optical device comprising: an operation ring 3 to which a driving force from an operation member 4 is transmitted; a driving ring 9 to which a driving force from an actuator 20 is transmitted; an output ring 5 | 01/10/2012 |
| 7969672 | Lens device and imaging device It is intended to carry out a focusing operation suitably in each case of automatic focusing and manual focus adjustment. Therefore, in the present invention, there is provided a first focus ring 1 movable between a first position and a second position on an ... | 06/28/2011 |
| 7940483 | Focusing device and focusing method A focusing device is provided. The focusing device has a changing focal length along a physical parameter thereof. The focusing device could be annular or in a shape of a disk. The annular focusing device has a width thereof changing with a periphery thereof, and th... | 05/10/2011 |
| 7933082 | Lens device A monitoring lens device includes a focus ring that is provided in an outer circumferential portion of a fixed cylinder and a zoom ring that is provided in an outer circumferential portion of the focus ring. A screw hole that is engaged with a shaft portion of a loc... | 04/26/2011 |
| 7660057 | Lens assembly and imaging apparatus Areas 11—1a, being in contact with an O-ring 13, of an outer peripheral surface of a taking lens 11—1 and an area 12a, being in contact with the O-ring 13, of an inner surface o... | 02/09/2010 |
| 7612958 | Telescopic sight A telescopic sight includes a zoom mechanism with which an angle of adjustment of sighting can be enlarged, such that sighting precision of the telescopic sight can be stably maintained, and with which zooming can be performed with a light touch. The telescopic sigh... | 11/03/2009 |
| 7440203 | Projection lens A projection lens including a front sleeve, a rear sleeve, a main sleeve, a driving ring, sliding components and lenses is provided. The main sleeve covers the front sleeve and the rear sleeve. The driving ring covers the front sleeve and the main sleeve. The slidin... | 10/21/2008 |
| 7394604 | Optical apparatus An optical apparatus having a grip for gripping a camera body. The apparatus includes a lens element, a lens barrel configured to retain the lens element, a focus detection sensor disposed on an outer peripheral portion of the lens barrel, and a ring-shaped operatio... | 07/01/2008 |
| 7372638 | Lens barrel There is disclosed a lens barrel including a fixed frame, a rotary frame rotatable with respect to the fixed frame to advance or retract in an optical axis direction, and a rectilinear guide frame rotatable relative to the rotary frame to displace integrally with th... | 05/13/2008 |
| 7295390 | Lens actuating device, camera module and portable electronic equipment Power from a focusing motor (14) is transmitted via a gear (35a) to a focusing lead screw (15) so that a first lens holder (4) is moved in a direction of an optical axis. Power from a zooming motor (10) is transmitted via a ... | 11/13/2007 |
| 7293923 | Laser module for circular saw A laser module used in a circular saw to guide cutting of the saw blade of the circular saw is constructed to have a hollow housing, a focal lens mounted in the housing, a laser diode mounted in the housing behind the focal lens and beyond the focus of the focal len... | 11/13/2007 |
| 7253967 | Optical assembly with a lens magnification-adjusting function An optical assembly includes a barrel including a slot, a lens installed inside the barrel for magnifying an image, a magnification-adjusting mechanism installed outside and around the barrel including an adjusting loop installed outside the barrel in a rotatable ma... | 08/07/2007 |
| 7218462 | Holding mechanism, optical apparatus and device manufacturing method A holding mechanism for holding an optical element includes a rear side block that includes a rear side holding engagement part that is engageable with a rear side engagement part provided on a rear side of an optical element, a front side block that is coupled with... | 05/15/2007 |
| 7203009 | Lens device A lens device in which a first movable lens holding frame and a second movable lens holding frame are moved along an optical axis by rotating a cam cylinder rotatably provided on a lens barrel, an escape channel for escapement of a portion of the second movable lens... | 04/10/2007 |
| 7184228 | Lens body tube A lens body tube includes a main tube, at least one lens configured movable along the optical axis direction of the lens body tube in the main tube, a first ring configured to be rotated for a zooming operation, the first ring being disposed around the outer circumf... | 02/27/2007 |
| 7145738 | Driving mechanism for a camera lens A camera lens drive mechanism includes a lens cylinder, and the lens hollow is able to fit over a lens. A conductor coil is wound around an outer surface of the lens cylinder, and a coil spring is surrounding the lens hollow cylinder. A magnetic body is opposite to ... | 12/05/2006 |
| 7092171 | Lens barrel with lock mechanism A lens barrel with a lock arranged to avoid loosening the lock and defocusing the lens barrel when vibrated during focusing and zooming. The lens barrel includes a fixed cylinder, an adjustment ring, lock screws and a lock ring, lock screws and a lock ring. The adju... | 08/15/2006 |
| 7035019 | Lens barrel extending and retracting mechanisms A lens barrel extending and retracting mechanism. A photographic optical axis and a central axis of a lens barrel are eccentric such that a first lens group and a second lens group are housed in a side of a CCD separated from the optical axis. The lens barrel is rot... | 04/25/2006 |
| 6993990 | Operating device An operating device having a rotary knob capable of rotation operations exhibits compatibility between speed and precision in operation and does not require use of a plurality of rotary knobs. In the operating device (1) including the rotary knob (4) a... | 02/07/2006 |
| 6973848 | Operating device An operating device having a rotary knob capable of rotation operations exhibits compatibility between speed and precision in operation and does not require use of a plurality of rotary knobs. In the operating device (1) including the rotary knob (4) a... | 12/13/2005 |
| 6918313 | Operating device An operating device having a rotary knob capable of rotation operations exhibits compatibility between speed and precision in operation and does not require use of a plurality of rotary knobs includes a rotation detecting device for detecting the rotated angle of th... | 07/19/2005 |
| 6788890 | Switching mechanism of a lens barrel for switching between automatic and manual focusing modes A switching mechanism of a lens barrel includes a stationary barrel having a stop groove; a lens holding ring, a distance adjustment ring and an AF/MF switching ring, each positioned concentrically with the stationary barrel. The AF/MF switching ring is prevented fr... | 09/07/2004 |
| 6784937 | Lens assembly of digital camera with non-step focusing function The present invention discloses a lens assembly comprising an enclosure, annular rotating means, gear assembly, spring, leaf spring, cap, and lens. The enclosure has a housing and haft. The housing has a lower hole for supporting the image capture apparatus, and an ... | 08/31/2004 |
| 6751032 | Lens barrel A lens barrel includes cam ring which is rotated about an optical axis to move a lens group in the optical axis direction, and a rotational ring which transfers a rotational motion to the cam ring. The rotational ring includes a rotation-transmission arm extending i... | 06/15/2004 |
| 6717749 | Cemented lens group A cemented lens group includes two lens elements, cementing surfaces of the two lens elements being cemented to each other by an adhesive, wherein the adhesive forms an adhesive layer between the cementing surfaces. A filler made of minute solid material is disperse... | 04/06/2004 |
| 6624954 | Lens mounting apparatus Embodiments of the present invention provide a lens mounting apparatus for mounting a lens to a substrate having a sensor in a sensor housing mounted on the substrate. The apparatus comprises a lens mount member including a lens mount body coupled with th... | 09/23/2003 |
| 6476978 | Linear-motion helicoid mechanism for CCTV camera A linear-motion helicoid mechanism for a CCTV camera, comprising a lens frame for holding lenses, a key member, a helicoid female member and a rotating frame that is formed integrally with the helicoid female member. The lens frame comprises a cylindrical... | 11/05/2002 |
| 6359740 | Image capturing device An image capturing device has a base plate with a solid-state optical sensor mounted on the top surface. The base plate has a plurality of apertures defined therethrough. A glass frame is detachably mounted on the base plate and has an opening defined the... | 03/19/2002 |
| 6331918 | Light interception structure for an automatic focus detection surveying instrument A light interception structure for an automatic focus detection surveying instrument includes a telescopic optical system having an objective optical system and an ocular optical system, a beam splitting optical element which splits object light transmitt... | 12/18/2001 |
| 6297917 | Focusing device for an optical mechanism A focuser having a drawtube on which an eyepiece can be mounted, a track secured to the drawtube, and a base adapted to be mounted to an optical tube of a telescope. The base is movably engaged with the drawtube such that the drawtube and track are able t... | 10/02/2001 |
| 6292313 | Lens drive unit A zoom control connector, to which a zoom controller is connected, is disposed at the bottom of a drive unit of an ENG lens. When connecting the connector with the zoom controller, a unit discrimination circuit connects a changeover circuit with an A/D co... | 09/18/2001 |
| 6122099 | Optical device having improved focus locking assembly and method of making A method of achieving a focusing adjustment of an optical assembly, and of releasably locking this focusing adjustment, is described. A night vision weapon sight (10) which implements this method includes an objective lens assembly (14), an eyepiece lens ... | 09/19/2000 |
| 6094538 | Autofocus lens barrel A lens barrel capable of selecting an autofocus mode and a manual focus mode includes a fixed drum, a focusing lens movable in an optical axis direction, a driving motor, constructed of a rotor and a stator, for moving the focusing lens, the rotor rotatin... | 07/25/2000 |
| 6069754 | Focuser for optical instrument A device for focusing optical instruments, for example a telescope or microscope, includes a drive assembly having a fine and a coarse control knob. The knobs operatively connect with a drive shaft that extends transversely through a concave shaped suppor... | 05/30/2000 |
| 5969889 | Lens barrel A lens barrel has an immovable cylindrical member adapted to be detachably attached to a camera body, and a lens holder for holding a group of focusing lenses. The holder is disposed in the member so as to be movable along an optical axis of the focusing ... | 10/19/1999 |
| 5946133 | Focusing apparatus for an optical apparatus A focusing apparatus for an optical apparatus comprises an operating member having a rotary shaft and an operating handle for rotating the rotary shaft, a support member provided with a bearing member and supporting a lens barrel having the focusing optic... | 08/31/1999 |
| 5940228 | Objective lens focus assembly A modified objective lens focus assembly of a night vision image intensif monocular for providing focus control travel adjustment that has substantially free movement for a full range of travel. The focus ring and lock ring are cemented together as one s... | 08/17/1999 |
| 5852518 | Projection optical unit and projection exposure apparatus comprising the same Four specified lenses 221 to 224 of a plurality of lenses in a projection optical unit are subjected to special processing (astigmatic surface processing) so that asymmetric component aberration relative to an optical axis is generat... | 12/22/1998 |
| 5790317 | Zoom lens system In a zoom lens system in which the movement locus of a focusing lens unit is defined by synthesizing a focus cam and a zoom compensation cam, when the sensitivity of movement of an image point in association with the movement, in the direction of the opti... | 08/04/1998 |
| 5760972 | Zoom lens barrel In order to provide a zoom lens barrel in which the direction of rotation of a zoom ring or a focus ring during the operation thereof can be independently determined even if use is made of a cam cylinder in which the mutual relation between the movement l... | 06/02/1998 |
