Matches 1 - 50 out of 187 1 2 3 4 >
Match Document Document Title
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...
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...
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...
7295390 Lens actuating device, camera module and portable electronic equipment  
Power from a focusing motor ( 14 ) is transmitted via a gear ( 35 a ) 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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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....
5852518 Projection optical unit and projection exposure apparatus comprising the same  
Four specified lenses 22 1 to 22 4 of a plurality of lenses in a projection optical unit are subjected to special processing (astigmatic surface processing) so that asymmetric component...
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...
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...
5758209 Adjustable rack focus stop and method of rack focus  
An adjustable rack focus stop on a focusing lens incorporates an arm mounted to the focusing lens housing and extending over the focus ring. A stop in the form of an adjustable band is positioned...
5731919 Optical apparatus  
An optical apparatus has an optical lens unit, a manual operation device for manually operating the optical lens unit, and a drive device for driving the optical unit by electrical power, in which...
5663842 Surface wave motor built-in lens barrel  
A surface wave motor built-in lens barrel has a manual focus adjusting mode and an autofocus adjusting mode. The lens barrel comprises a photographing optical system, a fixed drum, a surface wave...
5657173 Working force quantity imparting member, working force quantity imparting structure and lens barrel  
A working force quantity imparting member disposed between a fixed member and an operation member moving relative to the fixed member imparts a working force quantity to the operation member. This...
5654837 Zoom lens barrel  
A zoom lens barrel of a camera has an outer ring and an inner ring located inside the outer ring. The inner ring moves relative to the outer ring during zooming. A brush holder having zoom brushes...
5572373 Photographing lens switchable between manual-focus and auto-focus modes  
A lens bodytube has an auto-focusing mode in which a photographing lens is automatically driven to an in-focus position by a drive force of a motor and a manual focusing mode in which the...
5561564 Lens driving apparatus  
A photographing apparatus includes two moving members and an intermediate member contacting both of the two moving members. The intermediate member is selectively linked and non-linked to the two...
5532883 Lens barrel having suppressed load torque and moment of inertia  
A lens barrel having a focusing optical system, a rotatable moving member for moving the focusing optical system for the focusing operation, an rotatable operating mechanism for driving the moving...
5523892 Lens barrel  
A lens barrel having a fixed cylinder for holding a photographic optical system, and a rotary cylinder surrounding the fixed cylinder which is provided with a fitting portion for holding the rotary...
5376983 Lens barrel  
When moving frames are incorporated in a fixed frame and a cam ring, the lens barrel according to this invention is ready for fitting cam followers of the moving frames in the fixed frame or a...
5327188 Adapter device  
An adapter device is adapted to a camera lens, including a stationary ring and a focus ring rotatably attached to the stationary ring. The adapter device is provided with a first ring which is...
5191478 Zoom lens for video camera  
A zoom lens for a video camera includes a focusing mechanism which is designed to prevent a picked-up image from shaking when the focusing mechanism is operated manually or electrically. In the...
5182674 Optical apparatus  
Optical apparatus comprises an optical element and a moving mechanism having two members arranged to move the optical element in the direction of an optical axis thereof by moving one of the two...
5177642 Manually operated remote control type door mirror  
A manually operated remote control type door mirror having a base unit and a bracket unit which are separate from each other and can be assembled integrally, wherein the base unit comprises an...
5162948 Rolling ball element mount and barrel interface for zooming  
A rolling ball element mount and barrel interface comprises a barrel and an element mount sharing a common lateral (X, Y, Z) and angular (Θ X , Θ Y , Θ Z ) frame of reference located at a center...
5160956 Lens barrel with screw mount  
A lens barrel is provided having a screw mount. The lens barrel includes a mount ring having a threaded portion, which can be engaged by a corresponding screw mount of the camera body to which the...
5144493 Zoom lens barrel and camera incorporating such barrel  
A zoom lens barrel is disclosed with includes a stationary barrel. A rotatable cam ring is supported by the stationary barrel and is adapted to move along an optical axis direction in association...
5056903 Lens barrel structure for waterproof camera  
A lens barrel for a waterproof or dustproof camera which can assure maintenance of a reliable liquid-tight or airtight condition between a movable lens barrel member and a fixed lens barrel member...
4911542 Apparatus for preventing internal reflection in zoom lens  
In a zoom lens system having front and rear groups of lenses movable in an optical axis direction, an apparatus is provided for preventing internal reflection. The apparatus comprises a movable...
4910544 Focus adjusting apparatus in zoom lens camera  
A focus adjusting apparatus including an immovable cylinder secured to a camera body, a cam ring which is associated with the immovable cylinder to rotate and move in the optical axis directions...
4867533 Friction lock for optical adjustment  
A lock ring prevents inadvertent rotation of a rotatable focusing eyepiece for an optical instrument. The ring is disposed on the device and is fixed against rotation. A face is provided on the...
4865432 Lens mounting  
A built-in motorized lens mounting includes a fixed tube, a zoom actuating ring axially movably supported relative to the fixed tube, a focusing lens holder movably supported at least in the axial...
4864344 Power focus device in a camera  
A power focus device in a camera has a manually rotatively operated focus ring, a lens driving drive source for driving a focusing lens, and a pulse generating device operatively associated with...
Matches 1 - 50 out of 187 1 2 3 4 >