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Patent Searching and Data


Matches 701 - 750 out of 17,205

Document Document Title
WO/2007/093378A3
The invention relates to an optical system for the projection of digital image data comprising a fixed focal length lens and a pivotable focal length extender. The principal field of application of the invention is digital cinema project...  
WO/2007/135933A1
Compact four lens group zoom lens including a first lens group, a second lens group having a negative refractive power, a third lens group having a positive refractive power and a fourth lens group having a positive refractive power, whe...  
WO2006095545A9
Provided are a zoom lens system used for a video camera and a digital still camera, compact and covering a range from the wide angle side to the tele side and having high image forming performance in the entire zoom range independent of ...  
WO/2007/103944A3
Zoom lens systems and methods for imaging incoming rays over a range of ray angles are disclosed. The incoming rays are characterized by at least phase. The zoom lens system includes an optical axis and is characterized by a plurality of...  
WO/2007/131216A2
The present invention provides a small and fast zoom system using micromirror array lens (MMAL). Thanks to the fast response and compactness of the MMAL as well as absence of the macroscopic mechanical movements of lenses, the zoom syste...  
WO/2007/129677A1
A zoom lens capable of image shifting, suitable for an optical device having a limited space for placing a zoom lens, small-sized and simple, and having excellent focusing performance. An optical device having the zoom lens is also provi...  
WO/2007/122944A1
A zoom lens is comprised of a first group lens(G1) of a negative refractive power provided at a fixed distance from an image plane, a second group lens(G2) of a positive refractive power, a third group lens(G3) of a positive refractive p...  
WO2006104500A9
A wide angle projection lens include a first lens group of negative refractive power that has at least one aspheric surface. The wide angle projection lens can output an image at a half field angle of at least 45°, where the image has s...  
WO/2007/122616A2
An optical arrangement is provided for use in imaging with a large depth of focus The optical arrangement comprises an aperture (10) and a replication unit (16,26) The replication unit (16,26) is configured for producing a plurality of r...  
WO/2007/113952A1
An imaging device or the like which can efficiently use effective pixels in a solid imaging element, and can favorably maintain a light quantity ratio surrounding a picked up image even at vibration insulating. The imaging device compris...  
WO/2007/111146A1
A lighting optical system capable of keeping a desired profile even if the outline shape of a light intensity distribution formed on a lighting pupil surface is varied using an axicon system. The lighting optical system, illuminating a s...  
WO/2007/112321A2
A five-elememt 3:1 zoom lens system in which the first lens group (Group 1) has a negative power and includes two lens elements (12, 14) and the second lens group (Group 2) has a positive power and includes a pair of lens sub-groups, the...  
WO/2007/103944A2
Zoom lens systems and methods for imaging incoming rays over a range of ray angles are disclosed. The incoming rays are characterized by at least phase. The zoom lens system includes an optical axis and is characterized by a plurality of...  
WO/2007/099836A1
An infrared zoom lens reduced in size and manufacturable at low cost while maintaining the brightness of image and its related techniques are provided. The infrared zoom lens (1a) comprises first to third lens groups (G1 to G3) made of z...  
WO/2007/093378A2
The invention relates to an optical system for the projection of digital image data comprising a fixed focal length lens and a pivotable focal length extender. The principal field of application of the invention is digital cinema project...  
WO/2007/085658A1
A lens arrangement for a variable focus optical device comprising: a first lens group of positive optical power; a second lens group of a negative optical power; said first lens group or second lens group including at least two immiscibl...  
WO/2007/079882A1
The invention relates to an arrangement for adjusting optical components arranged in a housing (3), in particular for variable picture-taking systems. Optical components which are movable relative to one another along the optical axis of...  
WO/2007/049504A3
A variable power optical system which keeps a lens production difficulty level at a conventional level while making it sufficiently compact. The variable power optical system comprises sequentially form an object side a first lens group ...  
WO2007037112A9
A small-sized zoom lens suitable for use where a place for installing a zoom lens is limited and having a magnification ratio of about 4.5 or above and excellent image forming performance. The zoom lens consists of, in order from the obj...  
WO/2007/024482A3
A multiple group variable focal length lens is provided. The lens has a first lens group including a variable power lens element and is positioned in a stationary manner along an optical axis. The lens also has a second lens group moveab...  
WO/2007/049504A2
A variable power optical system which keeps a lens production difficulty level at a conventional level while making it sufficiently compact. The variable power optical system comprises sequentially form an object side a first lens group ...  
WO/2007/037112A1
A small-sized zoom lens suitable for use where a place for installing a zoom lens is limited and having a magnification ratio of about 4.5 or above and excellent image forming performance. The zoom lens consists of, in order from the obj...  
WO/2007/016075A3
A zoom lens system is disclosed. The zoom lens system forms a final image of an object and a first intermediate real image between the object and the final image. The zoom lens system includes a first optical unit located between the obj...  
WO/2007/034966A1
A zoom lens having fewer constituting lenses and easily keeping telecentricity. A first lens group (G1) through a fourth lens group (G4) are disposed sequentially from a projection plane (PL) side. The first lens group (G1) consists of t...  
WO/2007/032508A1
An image forming optical system includes a positive lens group, a negative lens group, and a diaphragm. The positive lens group is arranged at the object side than the diaphragm. The positive lens group has a cemented lens obtained by ce...  
WO/2007/032509A1
An image forming optical system includes a positive lens group, a negative lens group, and a diaphragm. The negative lens group is arranged at the object side than the diaphragm. The negative lens group has a cemented lens obtained by ce...  
WO/2007/032505A1
An image forming optical system includes a positive lens group, a negative lens group, and a diaphragm. The positive lens group is arranged at the image side than the diaphragm. The positive lens group has a cemented lens obtained by cem...  
WO/2007/032512A1
An image forming optical system includes a positive lens group, a negative lens group, and a diaphragm. The negative lens group is arranged at the image side than the diaphragm. The negative lens group has a cemented lens obtained by cem...  
WO/2007/024482A2
A multiple group variable focal length lens is provided. The lens has a first lens group including a variable power lens element and is positioned in a stationary manner along an optical axis. The lens also has a second lens group moveab...  
WO/2006/113705A3
A multi-magnification viewing and aiming scope includes a first imaging group including an objective lens lying on the optical path and an eyepiece lens lying on the optical path. The first imaging group forms a first image having a firs...  
WO/2007/016075A2
A zoom lens system is disclosed. The zoom lens system forms a final image of an object and a first intermediate real image between the object and the final image. The zoom lens system includes a first optical unit located between the obj...  
WO/2007/010822A1
A zoom lens system includes a first lens group having a positive power from an object side to an image side, a second lens group having a negative power, and a third lens group having a positive power. An interval between each lens group...  
WO/2007/009632A1
The invention relates to an optical system which is suitable particularly for digital camera modules placed in cellular telephones. The aim of the invention is to improve zoom lens systems known in prior art, especially by creating an op...  
WO/2007/010862A1
A zoom lens system composed of lens groups at least having a front lens group with negative power and a rear lens group with positive power, the rear lens group being placed nearer to the image side than the front lens group and having l...  
WO/2006/115647A1
A compact high performance objective zoom lens system is disclosed that provides optimum optical performance over the entire zoom focal length range at focus distances from close to infinity. The system comprises, from object space to im...  
WO2005060600A3
A method and its corresponding system for constructing a composite image using focus assessment information of image regions are disclosed. The method captures a primary image at a primary position with a lens having at least one deviati...  
WO/2006/115107A1
A micro variable power optical system in which aberration can be corrected sufficiently. The variable power optical system (100) comprises a first lens group (101) having a negative optical power, a second lens group (102) having a posit...  
WO/2006/113705A2
A multi-magnification viewing and aiming scope includes a first imaging group including an objective lens lying on the optical path and an eyepiece lens lying on the optical path. The first imaging group forms a first image having a firs...  
WO/2006/103855A1
In a zoom lens, a shift lens is moved for handshake correction in the direction orthogonal to the optical axis. When positional displacement of the shift lens group in its optical axis occurs, an influence of out-of-focus caused by image...  
WO/2006/104500A1
A wide angle projection lens include a first lens group of negative refractive power that has at least one aspheric surface. The wide angle projection lens can output an image at a half field angle of at least 45°, where the image has s...  
WO/2006/095543A1
A zoom lens system used for an imaging device for a fixed-lens camera etc. The zoom lens system includes at least the following lens groups sequentially arranged from the object side: a 1st lens group (GR1) with positive refractive power...  
WO/2006/095545A1
Provided are a zoom lens system used for a video camera and a digital still camera, compact and covering a range from the wide angle side to the tele side and having high image forming performance in the entire zoom range independent of ...  
WO/2006/095544A1
Provided are a zoom lens where the imaging angle of field at a wide angle end used for a video camera and a digital still camera includes a wide angle of field of 60 - 100 degrees, that has a magnification ratio of 3 to 6 times, that has...  
WO/2006/092966A1
A zoom lens has arranged in it four lens groups that are, in sequence from the object side, a first lens group (G1) having a positive refractive power, a second lens group (G2) having a negative refractive power, a third lens group (G3) ...  
WO/2006/090660A1
A zoom lens system realizing high image quality, large aperture and small size simultaneously, and capable of correcting blur of an image due to shaking, vibration, or the like, and an imaging apparatus and a camera. The zoom lens system...  
WO/2006/076323A2
An adjustable lens system comprises a housing, an adjustable lens assembly, comprising a lens element, mounted to the housing and placeable in optical states, and a MEMS based micro-motor. The MEMS based micro-motor is mounted to the hou...  
WO/2006/067905A1
A zoom lens having a stabilized optical quality achieved by suppressing the influence of the assembly error at the time of its manufacture. A positive first lens group (G1), a negative second lens group (G2), a positive third lens group ...  
WO/2006/054215A1
In an optical scanning device (10) capable of scanning an information plane of an optical record carrier (5) of different types such as BD, DVD and CD, the diameter of the radiation spot on the detector (7) is dependent on the numerical ...  
WO/2006/048993A1
A lens group located in the vicinity of an aperture stop is constituted of two partial groups, and image shift is carried out by shifting one partial group thus avoiding size increase of the lens group including the shift group. Furtherm...  
WO2006023425A3
A compact zoom lens system providing a wide-range, ultra-wide angle optionally rotatable compound zoom is disclosed. In one embodiment, the optical design is comprised of an NPP kernel followed by a PP relay with four independently movin...  

Matches 701 - 750 out of 17,205