Bizarre Patents
A beach chair which can be adapted for a woman who is pregnant and wishes to sunbathe in the prone position.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7952800 | Variable power relay optical system and microscope equipped therewith A variable power relay optical system comprising: a variable power lens performing zooming a secondary image based on light from a primary image; and a rear group forming the secondary image based on the light passing through the variable power lens; the variable po... | 05/31/2011 |
| 7920325 | Single prism aberration compensation System and method for utilizing two prisms spatially separated is provided. The two prisms spatially separated allows the two prisms typically found in a TIR optical relay system to be spatially separated. In an embodiment, one or more optical relay lenses are inter... | 04/05/2011 |
| 7724430 | Rigid endoscope The invention provides a rigid endoscope relay optical system that can be fabricated at lower costs while its brightness is kept intact by reducing parts count. The rigid endoscope optical system has an elongate insert and is adapted to implement image transfer usin... | 05/25/2010 |
| 7609441 | Distorted pupil relay for spectral filtering A system and method for spectral filtering of images are provided. The system and method utilize a first biconic lens surface to astigmatize a substantially 2-D system pupil into a substantially 1-D pupil (e.g., slit-shaped), and a second biconic lens surface to res... | 10/27/2009 |
| 7586679 | Image transmission system from three rod lenses for rigid endoscopes The invention relates to an image transmission system for rigid endoscopes, having a central rod lens and two outer rod lenses, which are symmetrical in respect to one another in relation to a vertical central plane of the image transmission system relative to the o... | 09/08/2009 |
| 7522337 | Compact multi-entrance-pupil imaging optical system An imaging optical system includes a subtelescope array, with at least two subtelescopes, each having a single entrance pupil and an exit light beam. Each subtelescope has an optical pointing axis, and the pointing axes for the subtelescopes are parallel. An imager ... | 04/21/2009 |
| 7438424 | Illumination optical apparatus and projection type display apparatus An illumination optical apparatus and a projection type display apparatus capable of enhancing an illumination efficiency; having an ellipsoidal mirror, a light source arranged at a first focal point of the ellipsoidal mirror, a stop arranged closer to said light so... | 10/21/2008 |
| 7369303 | Dual band lens system incorporating molded chalcogenide An image forming system and lens system including at least one molded chalcogenide lens element and configured to simultaneously image light at the medium wave infrared region (MWIR) and the long wave infrared region (LWIR) at a common focal plane. ... | 05/06/2008 |
| 7362511 | Zoom lens system for microscope and microscope using the same A zoom lens system for a microscope includes, in the following order from the object side, a first lens group having a positive refractive power, a second lens group having a negative refractive power, a third lens group having a positive refractive power, and a fou... | 04/22/2008 |
| 7334901 | Low profile, large screen display using a rear projection array system Low-profile, large screen display using a rear projection array system using an array of micro projectors, each comprised of a micro-display device, several optical components, a red/green/blue light emitting diode light source, a light sensor for each color and pow... | 02/26/2008 |
| 7324282 | Apparatus, system and method for applying optical gradient forces The present invention relates to a system of applying optical gradient forces to form a plurality of optical traps to manipulate small particles. The system includes a light source for generating a focused beam of light which is directed along an optical axis though... | 01/29/2008 |
| 7315414 | Microscope with adjustable stage Systems and techniques relating to a microscope with an adjustable stage are described. A microscope includes a base, a support arm attached to and extending upwardly from the base, a head attached to the support arm, the head including a lens, and an eyepiece attac... | 01/01/2008 |
| 7312922 | Confocal microscope A disk unit for a confocal microscope has a rotary disk having many confocal openings, a rotary drive portion, which rotates the rotary disk, a holding member, which holds the rotary disk and the rotary drive portion, a drive portion, which is allowed to insert into... | 12/25/2007 |
| 7301605 | Projection exposure apparatus and method, catadioptric optical system and manufacturing method of devices A projection exposure apparatus includes a projection optical system, which is arranged in an optical path between a first surface and a second surface, projects a pattern on a negative plate arranged on the first surface onto a workpiece arranged on the second surf... | 11/27/2007 |
| 7289277 | Relay lens used in an illumination system of a lithography system A relay lens is provided in an illumination system for use in microlithography. The relay lens can be used to uniformly illuminate a field at a reticle by telecentric light beams with variable aperture size. The relay lens can include first, second, and third lens g... | 10/30/2007 |
| 7259912 | Fresnel lens having reduced distortions A display device for displaying images in a rear projection display device is provided. The display device may include, amongst other structure, a screen including a lens portion and a frame portion. A tensioner may be operatively associated with the screen and may ... | 08/21/2007 |
| 7248362 | Small-spot spectrometry instrument with reduced polarization and multiple-element depolarizer therefor A small-spot imaging, spectrometry instrument for measuring properties of a sample has a polarization-scrambling element, such as a birefringent plate depolarizer, incorporated between the polarization-introducing components of the system, such as the beamsplitter, ... | 07/24/2007 |
| 7241027 | Illumination system providing light of Gaussian distribution, projection system, and method of forming color image An illumination system includes a light source, first and second cylindrical lens arrays, and a relay lens. The first cylindrical lens array includes a plurality of cylindrical lens cells which divide light emitted from the light source into a plurality of beams. Th... | 07/10/2007 |
| 7236278 | Projection optical apparatus A projection optical apparatus is provided that is fast and of satisfactory illumination efficiency albeit being of simple construction and compact size including at least three projection optical systems for magnifying and projecting an image appearing on a display... | 06/26/2007 |
| 7230756 | Integrated optical system for endoscopes and the like Optical systems for endoscopes, borescopes, dental scopes, and the like which are characterized by having three groups of lenses of positive optical power and an external entrance pupil. Typically, all three groups of lenses are displaced from the pupil and focal pl... | 06/12/2007 |
| 7227688 | Apparatus for applying optical gradient forces An apparatus and method for manipulating small dielectric particles. The apparatus and method involves use of a diffractive optical element which receives a laser beam and forms a plurality of light beams. These light beams are operated on by a telescope lens system... | 06/05/2007 |
| 7224535 | Zoom lens system 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 object and the first intermediat... | 05/29/2007 |
| 7215358 | Motor-less automatic extraction device surveiling inside of furnaces The present invention relates to a motor-less automatic retraction device that can insert a vision tube capable of monitoring the inside of a furnace to mange the internal state of the furnace and control the temperature of the furnace into the furnace and retract t... | 05/08/2007 |
| 7210797 | Projector optical unit, projection type image display apparatus, and rear projection type image display apparatus In a projection type image display apparatus, a projector optical unit for projecting an image onto a screen while magnifying a size of the image to be projected with respect to an original size of the image displayed by an image forming element, has a group of lens... | 05/01/2007 |
| 7175287 | Wide angle projection lens A projection display device is provided. The projection display device may include an image generation device configured to generate an image and a wide angle lens system having an optical axis configured to receive the image and project the image along an optical p... | 02/13/2007 |
| 7177078 | Projection type display apparatus A projection type display apparatus, wherein a common case can be used for housing an illumination optical system even when a shape of an image display element and an optical path length in a prism are different, is provided: wherein a light source for emitting an i... | 02/13/2007 |
| 7170686 | Illumination optical system, exposure apparatus, and device manufacturing method using the same Disclosed is an illumination optical system having an imaging optical system for imaging a predetermined object plane upon an image plane, by use of light supplied from an integrator that functions to produce a plurality of light sources using light from a light sou... | 01/30/2007 |
| 7164471 | Electronic imaging apparatus and microscope apparatus using the same An electronic imaging apparatus includes a connecting section connected to an optical apparatus; an optical element having a preset transmittance with respect to light in a preset wavelength region, incident from the optical apparatus; and an electronic image sensor... | 01/16/2007 |
| 7161739 | Optical system, optical device including the same, and optical device designing method The present invention relates to an optical device having a structure that can make the diameter of the emitted Gaussian beam smaller. The optical device is arranged between a first and second positions, and comprises a first and second optical systems separated wit... | 01/09/2007 |
| 7160248 | Optical device for viewing of cavernous and/or inaccessible spaces An optical device for viewing an object at a range of working distances. The device comprises a slender tube of a certain length and having a distal end and a proximal end. The device further comprises an imaging system disposed at the distal end and having a wide v... | 01/09/2007 |
| 7159988 | Projection optical unit and projection image display apparatus A projection optical unit has two lens groups. A first projection optical unit disposed closest to an image display element, temporarily forms a first enlarged image (magnification: M1) at the image display element side, rather than at a second projection opt... | 01/09/2007 |
| 7158229 | Small-spot spectrometry instrument with reduced polarization and multiple-element depolarizer therefor A small-spot imaging, spectrometry instrument for measuring properties of a sample has a polarization-scrambling element, such as a birefringent plate depolarizer, incorporated between the polarization-introducing components of the system, such as the beamsplitter, ... | 01/02/2007 |
| 7150537 | Projection television device and screen A front projection display device is provided including an image-generating source configured to generate an image, a wide angle lens system adapted to receive the image, and a screen. The wide angle lens system may be configured to increase distortion of the image ... | 12/19/2006 |
| 7140735 | Rear projection display device having multiple mirrors that are substantially parallel to a screen The ultra-thin rear projection display device described herein includes a wide angle lens system and one or more planar mirrors that are parallel to a screen on which an image is to be displayed. In one embodiment, the screen that has multiple groove angles to provi... | 11/28/2006 |
| 7139121 | Projection microscope This projection microscope (10) includes an elongate support member (12) carrying a stage assembly (22) between its ends, the stage assembly (22) having opposed sides and an associated specimen holder (28). A light emitting source ... | 11/21/2006 |
| 7119955 | Multi-aperture high-fill factor telescope A multi-aperture high-fill-factor telescope is provided. Specifically a multi-aperture high-fill-factor telescope is provided that includes a plurality of sub-aperture telescopes, each sub-aperture telescope being configured to collect electromagnetic radiation from... | 10/10/2006 |
| 7120309 | Ghost image correction system and method A new and useful method and system for correcting for ghost images in a telecentric optical system is provided. Ghost images generated from planar optical surfaces in the image space after the major elements of a telecentric optical system are shift invariant. In ot... | 10/10/2006 |
| 7116486 | Cylindrical optical devices and method of manufacture A lens assembly and method for manufacture. The lens assembly includes at least one lens element, with multiple sawn planar faces formed parallel to an optical axis and spaced equidistantly from the optical axis so the lens element has a polygonal cross section. Eac... | 10/03/2006 |
| 7102820 | Flat valley fresnel lens for a display device A Fresnel lens for a display device is provided. The Fresnel lens includes a first sloped surface angled to receive input light, a second sloped surface facing the first sloped surface, and a valley floor linking the first sloped surface to the second sloped surface... | 09/05/2006 |
| 7099078 | Borescope with simultaneous video and direct viewing An assembly is described for connection to a borescope to simultaneously provide a virtual image for direct viewing by an observer and a video image for viewing on a display. The assembly (10) comprises a body (12) with a distal end for connection to a... | 08/29/2006 |
