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Patent Searching and Data


Matches 351 - 400 out of 4,064

Document Document Title
WO/2009/132538A1
An optical lens for laser processing comprises a lens group and a diaphragm (1). The diaphragm is located in front of the lens group. The lens group comprises three lenses, being “negative-positive-positive”, i.e. a first lens (L1), ...  
WO/2009/132535A1
An optical lens for laser processing comprises a lens group and a diaphragm (1). The diaphragm is located in front of the lens group. The lens group comprises three lenses, being “negative-positive-positive”, i.e. a first lens (L1), ...  
WO/2009/132537A1
An optical lens comprises a lens group and a diaphragm (1) located in front of the lens group. The lens group comprises a first lens (L1), a second lens (L2), and a third lens (L3) in order. The first lens is a biconcave negative lens, t...  
WO/2009/132539A1
An optical lens comprises a lens group and a diaphragm (1) located in front of the lens group. The lens group comprises a first lens (L1), a second lens (L2), and a third lens (L3) in order. The first lens is a concave-flat negative lens...  
WO/2009/117870A1
A spectacles-type display device using single display chip comprises a micro display chip (1), an optical lens group (2) for magnifying the image generated by the micro display chip (1), a beam splitting coupling unit (3) for splitting t...  
WO/2008/085978A9
A wideband, e.g., 550 nm to 940 nm, apochromatic lens system for use with an external aperture stop, includes first, second, and third optical groups having, in order, positive, negative, and positive powers. The first group includes fou...  
WO/2009/109979A2
An infra red camera assembly, with elements efficient in raw material use, simple to produce and which provides a high level of performance. The assembly uses a three element design, with a main lens, and with both the entrance window an...  
WO/2009/084842A3
Disclosed is a fisheye lens comprised of the first through the seventh lens elements: wherein a field of view is larger than 180° a calibrated distortion is 10% or less, a relative illumination is 80% or more, all the refractive surface...  
WO/2009/089538A2
A device for magnifying an object comprising an SSID (15) having at least one imaging array disposed on a distal end (16) thereof. The device further comprises a first optical element (20) disposed on the distal end (16) of the SSID (15)...  
WO/2009/084842A2
Disclosed is a fisheye lens comprised of the first through the seventh lens elements: wherein a field of view is larger than 180° a calibrated distortion is 10% or less, a relative illumination is 80% or more, all the refractive surface...  
WO/2009/061153A3
An image pickup lens system is provided. The image pickup lens system includes a first lens, a second lens, a third lens, a fourth lens and a fifth lens, which are sequentially arranged from an object side. The first lens is configured s...  
WO/2005/079233A3
A multilayer film defining an optical axis, wherein the optical filter transmits 50% of light having a wavelength λ1 propagating along the optical axis, and the optical filter transmits 50% of light having a wavelength λ2 incident on t...  
WO/2009/057085A3
An objective lens (30) for an endoscope comprises a front (41a) and a rear (41b) optical sub-system and an aperture stop (51) there between. The rear optical sub-system (41 b) comprises a compound achromatic component (LR2, LR3) and a re...  
WO/2009/064076A1
The present invention relates to a zoom (magnification variable) lens optical system that is used for a mobile phone camera or a digital camera. The zoom lens optical system includes, along a light axis in order of arrangement from an ob...  
WO/2009/061519A1
A fixed optical unit (200) includes one or more fixed optical elements (202). The optical unit has a modulation transfer function (MTF), for a given object distance and a given spatial frequency associated with an imaging surface of an i...  
WO/2009/061153A2
An image pickup lens system is provided. The image pickup lens system includes a first lens, a second lens, a third lens, a fourth lens and a fifth lens, which are sequentially arranged from an object side. The first lens is configured s...  
WO/2009/057085A2
An objective lens (30) for an endoscope comprises a front (41a) and a rear (41b) optical sub-system and an aperture stop (51) there between. The rear optical sub-system (41 b) comprises a compound achromatic component (LR2, LR3) and a re...  
WO/2007/055742A3
A variety of lenses, lens assemblies, imaging devices, applications for such lenses, assemblies and devices, and related methods of operation and manufacturing are disclosed. At least some embodiments of the invention relate to a lens th...  
WO/2009/045572A1
An optical element mount is effective in high G environments to protect brittle optical elements in which tensile stresses are generated on surface S2 without degrading optical performance. A flexible spacer formed of a relatively low-st...  
WO/2007/122616A3
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/2008/085978A3
A wideband, e.g., 550 nm to 940 nm, apochromatic lens system for use with an external aperture stop, includes first, second, and third optical groups having, in order, positive, negative, and positive powers. The first group includes fou...  
WO/2008/137202A1
A wide angle lens especially suitable for digital single lens reflex cameras is described. The lens offers the advantages of superior performance while using fewer lens elements thus reducing size and cost to manufacture. The lens consis...  
WO/2008/093752A1
It is an object to provide an image picking-up device, a manufacturing method of an image picking-up device, and an information code-reading device that can be configured not only to simplify their optical system and to reduce their cost...  
WO/2007/111984A3
The present invention relates to improved optical structures, related manufacturing processes and assemblies incorporating the improved optical structures. In at least one embodiment accurate light source color information is provided th...  
WO/2008/002188A1
The inventive apochromatic objective lens relates to optical instrumentation and can be used in astronomic telescopes for visualising and photographing. Said apochromatic objective lens consists of three components, the first of which is...  
WO/2007/135070A1
The invention relates to a sensor module, comprising a housing (10), which may be mounted on a through opening (3) of an assembly surface (2), the housing (10) at least partly extending through said through opening (3) when the housing (...  
WO/2005/006285A3
In one embodiment, the methods and apparatuses display a first content on a flat display surface within a spherical display; simultaneously display a second content on a spherical display surface within the spherical display; and scroll ...  
WO/2007/094951A3
A wide angle projection lens includes, in sequential order from an image side, a first lens group of negative refractive power, the first lens group having at least one aspheric surface, a second lens group, and a third lens group of pos...  
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/2007/109377A2
A display device is disclosed, wherein the display device comprises a light source configured to emit light, a projection lens configured to transfer the light to a display surface, at least one other optical element, and a lens disposed...  
WO/2007/094951A2
A wide angle projection lens includes, in sequential order from an image side, a first lens group of negative refractive power, the first lens group having at least one aspheric surface, a second lens group, and a third lens group of pos...  
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/2006/088735A3
Disclosed embodiments of the present invention relate to the field of projection systems, and more particularly to the use of colored light sources in such projection systems. The light from light sources (34) having wavelengths within a...  
WO/2007/076094A2
The invention features a doublet at one end of a high numerical aperture imaging system. The doublet includes two members coupled together by a fluid medium. The first member is arranged for receiving converging rays within a region of m...  
WO/2007/075826A2
An adjustable apodized lens aperture is described which is constructed using photochromic material. As the excitation energy increases, the aperture constricts so as reduce the amount of light through the aperture. As the excitation ener...  
WO/2007/061997A2
A system, method and apparatus for rapid, large angle, high-precision steering of one or more beams of light, and in particular, laser beams, using one or more concave reflectors to provide narrow, essentially collimated output beams. Th...  
WO/2007/050743A2
A system of optics used to provide illumination through an objective at a precise inclination angle and with uniform intensity across an illuminated field. The system provides annular illumination with a continuously variable diameter at...  
WO/2005/057247A3
A nano-optic device comprises a plurality of subwavelength apertures in a metal film or between metal islands. The device is adapted to shape a radiation beam transmitted there through. For example, beam shaping includes at least one of ...  
WO/2006/028527A3
An extended depth of field is achieved by a computational imaging system that combines a multifocal imaging subsystem for producing a purposefully blurred intermediate image with a digital processing subsystem for producing a recovered i...  
WO2005086766A3
In general, in one aspect, the invention features systems that include a spatial light modulator, a scanning optical component configured to direct light from the spatial light modulator along a plurality of different paths, a projection...  
WO2005057249A3
A method and apparatus for visualizing sub-micron size particles employs a polarizing microscope wherein a focused be of polarized light (200) is projected onto a target (204), and a portion of the illuminating light is blocked from reac...  
WO2006083488A3
An imaging system (Fig. 3) is disclosed that has a wavelength dependent focal shift caused by longitudinal chromatic aberration in a lens assembly (203) that provides extended depth of field imaging due to focal shift (213,214) and incre...  
WO2006102365A3
A lens unit with two lens elements each having special surfaces such that an adjustment of the position of one of the two lens elements relative to the other in a direction generally perpendicular to a viewing direction changes the focus...  
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/2006/102365A2
A lens unit with two lens elements each having special surfaces such that an adjustment of the position of one of the two lens elements relative to the other in a direction generally perpendicular to a viewing direction changes the focus...  
WO/2006/091181A1
The invention discloses the lens system with corrected secondary spectrum without the use of anomalous dispersion optical glasses. The lens system comprises three widely separated lens components. The front lens component of positive ref...  
WO/2006/083488A2
An imaging system (Fig. 3) is disclosed that has a wavelength dependent focal shift caused by longitudinal chromatic aberration in a lens assembly (203) that provides extended depth of field imaging due to focal shift (213,214) and incre...  
WO/2006/081478A1
In one form, an imaging system (100) comprises an imager (130) that forms an image of an object (90) in a field of view, a rotationally symmetric lens assembly (110) disposed between the imager (130) and the object (90), and an equalizer...  
WO/2006/077663A1
An imaging lens in which various aberrations are well adjusted, which has a short optical length, and in which sufficient back focus is ensured. The imaging lens has an aperture stop (S1), a first lens (L1), a second lens (L2), and a thi...  
WO2005088377A3
A lens assembly is constructed to accommodate certain, often competing, design characteristics. The lens assembly provides high optical performance in a compact and easy to manufacture system. The lens assembly allows a manufacturer to p...  

Matches 351 - 400 out of 4,064