Class / Patent application number | Description | Number of patent applications / Date published |
359857000 | With successive reflections | 56 |
20080297928 | LOW MASS OPTICAL DEVICE AND METHOD - An optical device includes a structure defining an enclosed volume that is empty or filled with a non-solid, such as an aerogel or a gas, within which reflective surfaces bounce incoming light back and forth, focusing the light toward an exit aperture. The structure of the device may be formed from two halves, which are molded or machined to form the inner faces used to reflect and focus incoming light. The structure halves may be made of a moldable material. The moldable material may have reflective material, such as aluminum, deposited on inner faces that are used to reflect and focus incoming light. The halves of the structure are joined together, such as by use of a suitable adhesive. The enclosed volume may be substantially empty except for an ambient gas. The resulting hollow optical device provides a greatly reduced weight compared with folded optics made from solid materials. | 12-04-2008 |
20110317294 | MULTI-FIELD OF VIEW ANNULAR FOLDED OPTICS - An all-reflective afocal lens is comprised of eight-reflective mirrors which can fold the light path into a very compact and thin configuration while maintaining diffraction limited performance. Such an afocal arrangement is usable with a traditional optical imager of an appropriate aperture dimension and FOV range, or with an annular aperture optical system with the appropriately scaled aperture and acceptable FOV angles. When combined the resulting FOV is scaled by the magnification produced by the afocal. The afocal arrangement can be used in either a magnification mode or a demagnification mode. Such an afocal arrangement can be used as either a focal length extender or as a FOV switch enabling a very short length two FOV multi-spectral system with a length that can be an order of magnitude shorter than a known optical system. | 12-29-2011 |
20130038956 | DEVICE FOR VISUALLY CONFIRMING FORWARD DIRECTION - A device for visually confirming a forward direction that allows a crew member to visually confirm a desired range on the forward side of a vehicle includes a first reflecting mirror that reflects the desired range and a second reflecting mirror that reflects a reflected image reflected on the first reflecting mirror toward the crew member, the first reflecting mirror is arranged on a dashboard that is located inside the vehicle, and the second reflecting mirror is arranged on a lower side of the dashboard, and a first light transmitting part and a second light transmitting part are disposed in an area that connects the first reflecting mirror and the second reflecting mirror and an area that connects the second reflecting mirror and an eye-point of the crew member. | 02-14-2013 |
20130335839 | ALL REFLECTIVE REAL PUPIL TELECENTRIC IMAGER - A reflective optical form that has both a telecentric image and a real entrance pupil. In one example, a non-relayed optical imaging system includes a real entrance pupil configured to admit a beam of electromagnetic radiation, an image plane, and a reflective triplet including a negative primary mirror, a positive secondary mirror optically coupled to the primary mirror, a negative tertiary mirror optically coupled to the secondary mirror, the reflective triplet configured to receive the beam of electromagnetic radiation from the real entrance pupil and to focus the beam of electromagnetic radiation onto the image plane to form a telecentric image at the image plane. | 12-19-2013 |
20140098435 | ONE PIECE LIGHT BEAM TWISTER - A beam twister consists of roof reflector-mirror pair is described. The pair reflects incoming light beam and, in the meantime, rotates the beam around its propagating direction by 90 degrees. For beam array, its size-divergence product can be changed by an array of the pairs, which makes it possible to focus the beam array into small spot. If the pair is integrated into a solid piece, the device is very robust and works with wide optical spectrum and high damage threshold. | 04-10-2014 |
20140254035 | ICWS Periscope - A periscope construction having a ballistic guard formed inside a protective housing, and optical system mounted therein having first and second blocks of optical material mounted at opposite ends; first and second reflective surfaces, and the object and eyepiece viewing surfaces of the respective blocks being generally parallel and forming a parallelogram in cross section; the first and second end surfaces being spaced from each other within the housing with at least one layer of transparent armor therebetween to deflect incoming projectiles away from the object viewing section; and may include at least one layer of transparent armor rigidly positioned at an angle relative to the field of view no less than 300° to a maximum of 360° which is parallel to the field of view. It may further include a high grade metallic band rigidly formed around and adjacent the space between the first and second end surfaces. | 09-11-2014 |
359858000 | Including curved mirror surfaces in series | 34 |
20080212217 | Multiple Reflection Optical System - The invention relates to a multiple reflection optical system comprising a light beam input (E) and output (S) means, a first mirror (M | 09-04-2008 |
20090052073 | MICROLITHOGRAPHY PROJECTION OPTICAL SYSTEM AND METHOD FOR MANUFACTURING A DEVICE - In some embodiments, a catoptric microlithgraphy projection optical system includes a plurality of reflective optical elements arranged to image radiation from an object field in an object plane to an image field in an image plane. The image field can have a size of at least 1 mm×1 mm. This optical system can have an object-image shift (OIS) of about 75 mm or less. Metrology and testing can be easily implemented despite rotations of the optical system about a rotation axis. Such a catoptric microlithgraphy projection optical system can be implemented in a microlithography tool. Such a microlithography tool can be used to produce microstructured components. | 02-26-2009 |
20090135510 | REFLECTIVE PROJECTION OPTICAL SYSTEM, EXPOSURE APPARATUS, DEVICE MANUFACTURING METHOD, PROJECTION METHOD, AND EXPOSURE METHOD - A reflective projection optical system comprises a first optical unit having at least one reflecting optical element, and a second optical unit having at least one reflecting optical element. A focal point on the second surface side of the first optical unit approximately agrees with a focal point on the first surface side of the second optical unit. An angle between a normal to the first surface and a principal ray of the illumination beam incident to the first surface is larger than a value of arcsine of a numerical aperture on the first surface side of the reflective projection optical system. All the optical elements in the projection optical system are located outside an extension surface of a ray group defining an outer edge of the illumination beam incident to the first surface. | 05-28-2009 |
20090262443 | CATOPTRIC OBJECTIVES AND SYSTEMS USING CATOPTRIC OBJECTIVES - In general, in a first aspect, the invention features a system that includes a microlithography projection optical system. The microlithography projection optical system includes a plurality of elements arranged so that during operation the plurality of elements image radiation at a wavelength λ from an object plane to an image plane. At least one of the elements is a reflective element that has a rotationally-asymmetric surface positioned in a path of the radiation. The rotationally-asymmetric surface deviates from a rotationally-symmetric reference surface by a distance of about λ or more at one or more locations of the rotationally-asymmetric surface. | 10-22-2009 |
20100134907 | MICROLITHOGRAPHY PROJECTION OPTICAL SYSTEM AND METHOD FOR MANUFACTURING A DEVICE - In some embodiments, a catoptric microlithgraphy projection optical system includes a plurality of reflective optical elements arranged to image radiation from an object field in an object plane to an image field in an image plane. The image field can have a size of at least 1 mm×1 mm. This optical system can have an object-image shift (OIS) of about 75 mm or less. Metrology and testing can be easily implemented despite rotations of the optical system about a rotation axis. Such a catoptric microlithgraphy projection optical system can be implemented in a microlithography tool. Such a microlithography tool can be used to produce microstructured components. | 06-03-2010 |
20100188762 | APPARATUS AND METHOD OF SHAPING A LASER BEAM PROFILE - Various embodiments provide an apparatus and method for shaping a laser beam profile in which the apparatus includes a reformatting optical system configured to reformat a laser beam having a Gaussian intensity profile into a radiation beam having a top hat intensity profile; and a Fourier transforming optical system configured to transform the radiation beam having the top hat intensity profile into a radiation beam having a Bessel or sinc function intensity profile. | 07-29-2010 |
20100202073 | ALL-REFLECTIVE AFOCAL TELESCOPE DERIVED FROM THE FIRST TWO MIRRORS OF A FOCAL THREE-MIRROR ANASTIGMAT TELESCOPE - In one or more embodiments, an all-reflective optical system includes a primary mirror of ellipsoidal configuration, a secondary mirror of hyperboloidal configuration facing the primary mirror, and an eye-piece that includes: a positive-powered tertiary mirror having a majority of positive power that is expected in the eye-piece and configured to substantially collimate light rays incident thereon; and a negative-powered near-flat quaternary mirror having lesser power than the tertiary mirror and configured to receive the substantially collimated light rays from the tertiary mirror, further collimate the received light rays and reflect the further collimated light rays to an exit pupil. The primary mirror, the secondary mirror and the eye-piece thereby form an afocal optical system. | 08-12-2010 |
20100284099 | Monolithic Eccentric Mersenne-Cassegrain Telescope - A Mersenne-Cassegrain telescope provided in a single block of glass in which opposed parabolic elements are precision milled through diamond turning of a glass boule, with the magnification power of the telescope determined by the differences in focal length between the two parabolas. The result is a volumetrically small telescope with pre-aligned surfaces that are maintained by the structural rigidity of the glass itself and in which thermal coefficients of expansion, vibration and the like have no effect due to the single glass element structure. | 11-11-2010 |
20110273791 | CATOPTRIC OBJECTIVES AND SYSTEMS USING CATOPTRIC OBJECTIVES - In general, in one aspect, the invention features an objective arranged to image radiation from an object plane to an image plane, including a plurality of elements arranged to direct the radiation from the object plane to the image plane, wherein the objective has an image side numerical aperture of more than 0.55 and a maximum image side field dimension of more than 1 mm, and the objective is a catoptric objective. | 11-10-2011 |
20110299184 | High NA Annular Field Catoptric Projection Optics using Zernike Polynomial Mirror Surfaces - Optical structure and design concepts are provided, using a Y-Zernike polynomial, and by which optical components, optical components and optical structures, can be designed and produced, to image at extreme ultraviolet (EUV) wavelengths, at a relatively high NA (e.g. 0.35), with a relatively large field of view (e.g. 26×2 mm). Moreover, an optical structure produced according to the principles of the present invention has a small amount of asymmetry, which enables the components of the optical structure to be manufactured with current manufacturing techniques. | 12-08-2011 |
20120092782 | Split Spherical Mirror Configuration for Optical Multipass Cell - An optical multipass cell (MPC) configuration is presented that utilizes pairs of split spherical mirrors to provide a beam pattern density on the order of a pure astigmatic arrangement without the need to utilize specially-ground and aligned astigmatic mirrors. Relatively inexpensive spherical mirrors are “split” into at least pairs, and tilted inward along the optical axis. Each mirror half may be tilted at a common angle or, alternatively, each mirror half may be positioned at a unique tilt angle. The spot pattern density is on the order of a pure astigmatic cell, but at a significantly reduced cost. | 04-19-2012 |
20120243114 | NONSYMMETRIC OPTICAL SYSTEM AND DESIGN METHOD FOR NONSYMMETRIC OPTICAL SYSTEM - A new family of truly nonsymmetric optical systems that exploit a new fabrication degree of freedom enabled by the introduction of slow-servos to diamond machining; surfaces whose departure from a sphere varies both radially and azimuthally in the aperture, and associated design method. | 09-27-2012 |
20120327527 | METHOD FOR EXTENDING FIELD OF VISION IN A COLLIMATED VISUAL DISPLAY SYSTEM - A means to increase both vertical and horizontal field of view for collimated display systems suitable for flight simulator display systems that use spherical metallised film mirrors of limited width as a reflecting surface. By joining additional material to both sides (top and bottom) of a length of metallised polymer film, the area of highest quality mirror surface is increased in both the vertical and horizontal directions. | 12-27-2012 |
20130083414 | SEGMENTED REFLECTIVE OPTICAL SYSTEM - An optical system, used for scanning, forms an image using reflective optical surfaces. The system may be telecentric, and may form an image that is reduced in size as compared with the scanned original. Several image-forming optical channels may be combined to form a page-wide scanning array. | 04-04-2013 |
20130114156 | DERIVED ALL-REFLECTIVE AFOCAL OPTICAL SYSTEM WITH ASPHERIC FIGURED BEAM STEERING MIRROR - An all-reflective afocal optical system including an aspheric beam steering mirror positioned at an exit pupil of the afocal optical system. In one example, an all-reflective afocal optical imaging system includes a sensor, a afocal optical apparatus including a plurality of minors optically coupled together and configured to receive light rays through an entrance pupil of the afocal optical imaging system and to substantially collimate the light rays to provide a collimated optical beam to an exit pupil, and an aspheric beam steering mirror positioned at the exit pupil and configured to receive the collimated optical beam and to direct the collimated optical beam to the sensor. | 05-09-2013 |
20130229722 | HIGH THROUGHPUT REFLECTING MICROSCOPE OBJECTIVE - Methods, systems, and apparatuses for objectives are provided. An objective includes a body, a first concave mirrored surface on the body, a second concave mirrored surface on the body, and a central pathway. The first concave mirrored surface has a centrally located first opening. The second concave mirrored surface has a centrally located second opening. The first and second concave mirrored surfaces are oriented in opposition to each other and coupled together at the first and second openings. The central pathway extends from a first end of the body to a second end of the body, and an axis of symmetry of the body resides in the central pathway. The first and second concave mirrored surfaces focus/magnify light passing through the central pathway through the body. The objective may also include a mask that at least partially obscures the light passing through the central pathway through the body. | 09-05-2013 |
20140168803 | Optical Device - An advantageous optical apparatus with relatively large field viewing of an image to the rear of an observer is disclosed. The apparatus has two mirrors having cylindrical symmetry where the mirrors are positioned so that a plane of symmetry for each mirror is substantially coincident. The mirrors are further configured so that the apparatus has an astigmatism less than 0.0035, and a ratio between the far field and the near field magnification of less than 0.9. The apparatus is fabricated, in one embodiment, by using force to conform a thin polymer mirror onto an appropriate surface configuration on a monolithic block. | 06-19-2014 |
20140254036 | OPTICAL MODULE FOR AN OBJECTIVE - Disclosed is an optical module for a lens, especially a microlithographic apparatus, comprising a first holding device with an inner circumference that extends in a first circumferential direction, and at least one first supporting device which is fastened to the inner circumference of said first holding device and is used for supporting a first optical element, an annular circumferential first assembly space being defined by displacing the first supporting device once in a revolving manner along the first circumferential direction. At least one second supporting device which is fixed to the inner circumference of the first holding device is provided for supporting a second optical element, an annular circumferential second assembly space being defined by displacing the second supporting device once in a revolving manner along the first circumferential direction. The first assembly space intersects the second assembly space. | 09-11-2014 |
20140268381 | OPTICAL MODULE FOR A MICROLITHOGRAPHY OBJECTIVE HOLDING AND SUPPORTING DEVICES - Disclosed is an optical module for a lens, especially a microlithographic apparatus, comprising a first holding device with an inner circumference that extends in a first circumferential direction, and at least one first supporting device which is fastened to the inner circumference of said first holding device and is used for supporting a first optical element, an annular circumferential first assembly space being defined by displacing the first supporting device once in a revolving manner along the first circumferential direction. At least one second supporting device which is fixed to the inner circumference of the first holding device is provided for supporting a second optical element, an annular circumferential second assembly space being defined by displacing the second supporting device once in a revolving manner along the first circumferential direction. The first assembly space intersects the second assembly space. | 09-18-2014 |
20140334023 | OPTICAL DELAY ELEMENTS CREATED FROM VARIATIONS OF THE ROBERT CELL - An optical delay device comprises a multi-pass optical cell including first and second facing curved mirrors defining an optical cavity. One curved mirror includes a spatially extended aperture, such as a wedge-shaped notch aperture formed into the perimeter of the curved mirror. One curved mirror is split into two component mirrors one of which is tilted to define a swirling reflection pattern on the curved mirror that includes the spatially extended aperture. The optical time delay introduced to a light ray by the multi-pass optical cell depends on the input location of the light ray into the spatially extended aperture. The optical delay device may include two such multi-pass optical cells and a mirror that optically couples the two said multi-pass optical cells. | 11-13-2014 |
20150378140 | AFOCAL OPTICAL CONCENTRATOR - A Mersenne reflector system provides solar daylighting uses parabolic troughs as primary and secondary reflectors, in Cassegrainian and Gregorian configurations. A Mersenne-like reflector system uses truncated parabolic troughs as primary and secondary reflectors in the Cassegrainian configuration. A variety of combinations of reflector shapes are used including: elliptical primary and circular secondary, rectangular primary and square secondary, elliptical primary and square secondary, and rectangular primary and circular secondary. | 12-31-2015 |
20160170191 | METHOD FOR DESIGNING OFF-AXIS THREE-MIRROR IMAGING SYSTEM WITH FREEFORM SURFACES | 06-16-2016 |
20160252451 | OPTICAL MEASURING DEVICE AND DEVICE HAVING OPTICAL SYSTEM | 09-01-2016 |
359859000 | With concave and convex mirrors in series | 11 |
20080266687 | All-reflective, wide-field-of-view, inverse-telephoto optical system with external posterior aperture stop and long back focal length - An imaging optical system includes a set of mirrors including at least three mirrors on a beam path. Only a last mirror on the beam path has a positive optical power and all other mirrors have negative optical power. The sum of the optical powers of the mirrors is zero. An external posterior aperture stop is on the beam path between the last mirror and the image plane. A back focal length of the optical system is equal to or greater than an effective focal length of the optical system. The field of view is large, and typically at least 30-40 degrees in one plane. | 10-30-2008 |
20090009897 | Wide field four mirror telescope using off-axis aspherical mirrors - A telescope has an entrance pupil region; a first concave mirror (M | 01-08-2009 |
20100091396 | Afocal Optical Concentrator - A Mersenne reflector system using parabolic troughs as primary and secondary reflectors, in Cassegrainian and Gregorian configurations, and a Mersenne-like reflector system using truncated parabolic troughs as primary and secondary reflectors in the Cassegrainian configuration, using a variety of combinations of reflector shapes: elliptical primary and circular secondary, rectangular primary and square secondary, elliptical primary and square secondary, and rectangular primary and circular secondary. A method for constructing truncated Cassegrainian systems using truncated troughs. | 04-15-2010 |
20100134908 | Catoptric Objectives And Systems Using Catoptric Objectives - In general, in one aspect, the invention features an objective arranged to image radiation from an object plane to an image plane, including a plurality of elements arranged to direct the radiation from the object plane to the image plane, wherein the objective has an image side numerical aperture of more than 0.55 and a maximum image side field dimension of more than 1 mm, and the objective is a catoptric objective. | 06-03-2010 |
20100321808 | EXTREME BROADBAND COMPACT OPTICAL SYSTEM WITH MULTIPLE FIELDS OF VIEW - An optical system is described herein which has a compact, all reflective design that has multiple fields of view for imaging an object. The optical system also has identical viewing directions and can have several different configurations for adding laser range finding and designating components. | 12-23-2010 |
20110188139 | EXTREME BROADBAND COMPACT OPTICAL SYSTEM WITH MULTIPLE FIELDS OF VIEW - An optical system is described herein which has a compact, all reflective design that has multiple fields of view for imaging an object. The optical system also has identical viewing directions and can have several different configurations for adding laser range finding and designating components. | 08-04-2011 |
20120019943 | MULTIPLE PATH SUBSTANTIALLY SYMMETRIC THREE-MIRROR ANASTIGMAT - One or more embodiments of an optical system includes a primary mirror configured to reflect light incident thereupon; a secondary mirror facing the primary mirror configured to receive the light reflected from the primary mirror and redirect the light reflected from the primary mirror in multiple channels; and one or more tertiary mirrors of common prescriptions, configured to reflect divergent light rays incident from the secondary mirror in multiple channels. | 01-26-2012 |
20140085741 | Beam guide and method for adjusting the opening angle of a laser beam - The inventions relate to beam guides for guiding a laser beam from a driver laser device in the direction of a target position for generating extreme ultraviolet (“EUV”) radiation. The beam guides include a device for increasing or decreasing the beam diameter of the laser beam. The device includes a first off-axis parabolic mirror having a first convex curved reflecting surface and a second off-axis parabolic mirror having a second concave curved reflecting surface. The beam guides also include a moving device arranged to change a distance between the first and the second reflecting surfaces to change the opening angle (α), e.g., the convergence or divergence angle, of the laser beam. The inventions also relate to methods for adjusting an opening angle (α) of a laser beam using such beam guides. | 03-27-2014 |
20140355146 | LASER ENERGY SOURCE DEVICE - A device and method for providing a laser system utilizing high efficiency lasers emitters and optionally the high quality beam characteristics of a crystal gain medium single mode laser for emitting beamlets and utilizing an optical and mechanical method of forming the beam and directing it to the desired target using both a concave and a partially reflective convex mirror to reflect the beamlets, with the convex mirror transmitting a portion of the beamlets to a transmission medium for emitting the beamlets as a laser beam. | 12-04-2014 |
20160170190 | OFF-AXIS THREE-MIRROR OPTICAL SYSTEM WITH FREEFORM SURFACES | 06-16-2016 |
20220137380 | REFLECTIVE COMPACT LENS FOR MAGNETO-OPTIC KERR EFFECT METROLOGY SYSTEM - A Cassegrain or quasi-Cassegrain structure objective lens is used in a polar MOKE metrology system. The quasi-Cassegrain reflective objective lens includes a primary concave mirror and a secondary mirror. The primary concave mirror has a wider diameter than the secondary mirror and defines an aperture through which the laser beam is configured to be transmitted toward the secondary mirror. The secondary mirror can be convex, concave, or have a flat surface. | 05-05-2022 |
359860000 | To view observer | 3 |
20100020424 | Combination mirror and recording/playback apparatus - A mirror has a recording and playback apparatus, and a pre-recorded message plays aloud through at least one speaker on the mirror. The mirror is the typical size found in a common household. The record/playback apparatus may be a CD-ROM or other similar medium. The preferred embodiment for the invention is for use by individuals with low self-esteem, and the mirror may be used as a therapeutic tool for depression. | 01-28-2010 |
20110194200 | REARVIEW MIRROR - A mirror that provides a rearview reflection is described. The rearview mirror (“RM”) may include a housing and a first mirror. The RM may further include a mounting assembly configured to couple a first portion of the housing to a surface and a securing mechanism to couple the first mirror to a second portion of the housing, where the first mirror is configured to provide a rearview reflection of an individual and/or object positioned in front of a second mirror. The first mirror may be angled. The RM may include one or more lights coupled to the housing. The RM may further include a storage unit. The angle of the first mirror may be controlled manually, mechanically, and/or electronically. The lights may be activated manually, mechanically, and/or electronically. | 08-11-2011 |
20160051034 | Mirror Assembly - A mirror assembly is provided. The mirror assembly includes at least two mirrors, which when positioned relative to one another, allows a user to see the front and back of his/her head and neck simultaneously. The present mirror assembly is useful for daily grooming activities, including shaving and hair styling, where it may be advantageous to see both the front and back of the head simultaneously. The mirror assembly can be folded into a compact stored position on the when not in use, so that the entire assembly rests compactly against a wall, yet is easily expanded and adjustable for use. | 02-25-2016 |
359861000 | With three or more successive reflections | 7 |
20090067074 | NON-CONTACT CONNECTOR - A non-contact connector ( | 03-12-2009 |
20090109561 | Beam-steering apparatus having five degrees of freedom of line-of-sight steering - A beam-steering apparatus comprises a set of planar tiltable mirrors positioned to define a light beam path therebetween. The set of planar tiltable mirrors comprises from three to five planar tiltable mirrors. Each of the planar tiltable mirrors has a center of rotation lying in a plane of the mirror and each of the planar tiltable mirrors is tiltable about one axis of rotation or two orthogonal axes of rotation that lie in the plane of the mirror. The total number of axes of rotation about which the planar tiltable mirrors of the set of planar tiltable mirrors can tilt is at least five. A mirror drive system tilts each respective planar mirror about its respective axis of rotation or axes of rotation. With this apparatus, an input or output light beam path is steerable over two angular, one rotational, and two lateral-position degrees of freedom. | 04-30-2009 |
20090296243 | VARIABLE SIZED OPTICAL BEAM HOMOGENIZER AND METHOD - An optical beam homogenizer having an adjustable homogenizer chamber for selectively producing different sized homogenized output beams and related methods in accordance with one or more embodiments is described herein. | 12-03-2009 |
20110038067 | PREFERABLY MINIATURIZED OPTICAL TRANSFER DEVICE - An optical transfer device comprises at least three mirrors, two of which co-operating with one another for modifying the wave front of an electromagnetic radiation, wherein at least two of said mirrors are made monolithically on a single support. | 02-17-2011 |
20110038068 | OPTICAL PROBE PREFERABLY FOR SPECTROMETRIC ANALYSES - A probe comprises an external casing, an optical illumination circuit, and an optical reception circuit, at least one of which has a first concave primary mirror, a first convex secondary mirror configured for receiving a spectrum from and sending the spectrum to said first concave primary mirror, and an active optical mirror element set in series with said first concave primary mirror and said first convex secondary mirror and having a curvature such as to differentiate the optical arms of the conjugate points, a first conjugate point being inside the external casing and a second conjugate point being outside the external casing. | 02-17-2011 |
20120057253 | LIGHT GUIDE PLATE AND VIRTUAL IMAGE DISPLAY APPARATUS HAVING THE SAME - Since a distance from an image extraction part to a light exiting surface is shorter downstream in an optical path than upstream in the optical path in relation to Z direction that is an arraying direction of reflection units, image light that propagates to pass between the image extraction part and the light exiting surface without becoming incident on the reflection units and therefore cannot be extracted to outside can be reduced. That is, since image light having a large total reflection angle in a light guide plate can be securely made incident on the image extraction part and efficiently extracted from the light exiting surface, light use efficiency in image formation can be enhanced. Thus, a virtual image display apparatus with brightness and high performance can be provided. | 03-08-2012 |
20140160588 | IMAGE DISPLAYING APPARATUS AND OPTICAL APPARATUS - The image displaying apparatus includes an image production apparatus, a first light conduction section and a second light conduction section. The first light conduction section includes a first light conduction plate which propagates part of incident light thereto by total reflection in the inside thereof and emits the propagated light, and a reflection type volume hologram diffraction grating disposed on the first light conduction plate. The second light conduction section includes a second light conduction plate, a first deflection section and a second deflection section. | 06-12-2014 |
359862000 | Including an adjustable mirror | 6 |
20100259841 | OBLIQUE FORWARD VISION DEVICE FOR VEHICLE - An oblique forward vision device for making an area constituting a blind spot diagonally in front a vehicle visible to a driver. The device includes a first reflective mirror, provided on a reverse side of a door mirror oriented in a forward direction, for showing an area located diagonally in front of the vehicle, and a second reflective mirror, provided on an interior side of a front pillar, for reflecting light reflected off the first reflective mirror toward the driver. The driver looks at the second reflective mirror via the first reflective mirror and checks the blind spot diagonally in front of the vehicle. | 10-14-2010 |
20110007411 | APPARATUS FOR VIEWING OBLIQUE FORWARD AREA OF VEHICLE - An apparatus for viewing an oblique forward area of a vehicle whereby light incident from outside a passenger compartment is prevented from reflecting. The apparatus includes a sub-window pane supported by a front pillar and a sub-pillar, a mirror housing of a door mirror for displaying a rear of the vehicle, and a first reflective mirror for displaying an area in front and to one side of the vehicle. The first reflective mirror is provided to the mirror housing. The apparatus also includes a second reflective mirror for reflecting the light reflected by the first reflective mirror toward a driver. The sub-window pane is disposed further toward the outside in a vehicle widthwise direction than a line passing over cross-sectional vehicle-widthwise direction centers of the front pillar and the sub-pillar. An outside edge of the second reflective mirror is positioned in the vicinity of the sub-window pane. | 01-13-2011 |
20110069407 | MIRROR UNIT OF EXPOSURE DEVICE AND IMAGE FORMING APPARATUS USING MIRROR UNIT - A mirror unit of an exposure device includes: a mirror having support points including one support point on one end portion in a longitudinal direction thereof and two support points at two portions in a width direction perpendicular to the longitudinal direction on the other end portion thereof; and a mirror base member that holds the mirror in a way to support the mirror at the three support points, wherein the mirror is arranged so that the support point on a side of the one support point and a support point on one side of the two support points is positioned on a scanning optical axis, and so that the longitudinal direction is tilted from the scanning optical axis in the width direction. | 03-24-2011 |
359863000 | Including a curved mirror | 3 |
20100208373 | Vehicle Side View Mirror System - A mirror assembly for a vehicle that has a double curved mirror positioned next to a vehicle side view mirror and said double curved mirror along with said side view mirror allows a user to view the lower perimeter of the vehicle in the side view mirror while operating the vehicle. | 08-19-2010 |
20100208374 | Mirror for Improved Visibility of Danger Zone Area on Right Side of School Buses - The present invention relates to a mirror and mirror system which can be used in connection with large vehicles, such as school buses, to provide the driver of such vehicles with the ability to view the entire side of the vehicle. While such vehicles currently include side view mirrors attached to the front of the vehicle, these mirrors contain blind spots, such as the area immediately in front of the rear wheel of the vehicle. The current invention overcomes such blind spots by attaching a second mirror to the rear portion of the vehicle that provides a forward view from the rear of the vehicle, including a view of such blind spots. Such front and rear mirrors may be aligned so that the view of the rear mirror is portrayed within the view of the front mirror. As such, the present invention provides the driver with a complete view of the passenger side of the vehicle. | 08-19-2010 |
20150321610 | Rear Backup Sideview Mirror Assembly - A rear backup sideview mirror assembly to be used in conjunction with a vehicle's interior or exterior rearview mirrors to view other motor vehicles moving in a side to lateral direction. | 11-12-2015 |