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7583455 |
Gas activated emergency vision device
An emergency vision device, comprises a collapsible tube made of airtight material and having an expanded form and a deflated stowage form; first and second clear members disposed at respective...
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7547865 |
Optical element mount and method thereof for a gun-launched projectile
An optical element mount is effective in high G environments to protect brittle optical elements in which tensile stresses are generated on surface S 2 without degrading optical performance. A...
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7436449 |
Electronic imaging system
The invention relates to an electronic imaging system such a video camera or digital camera, whose thickness or size is reduced while performance degradation is reduced as much as possible. The...
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7423265 |
Near-field aperture having a fractal iterate shape
Near-field electromagnetic devices having an opaque metallic screen with a fractal iterate aperture are provided. More specifically, the aperture is obtained by application of a self-similar...
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7399088 |
Pupil mismatch in a collimated display system
An image projection system has a first lens with a defined entrance pupil. An image source has an image field and a defined exit pupil. The exit pupil of the image source is configured such that...
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7362491 |
Heated glass panels and methods for making electrical contact with electro-conductive films
A heated glass panel assembly according to one embodiment of the invention may include a substrate having an electro-conductive film provided thereon. A conductor is positioned in contact with the...
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7293885 |
Microscope with laser light source and protective device for preventing eye damage
The invention is directed to a microscope in which laser light is used to irradiate a sample to be examined and which is outfitted with a protective device for preventing eye damage due to laser...
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7287863 |
Light tunnel with gradient filter layer
A light tunnel with a gradient filter layer includes a light tunnel body and a gradient filter layer. In this case, the gradient filter layer is disposed at a light emerging side. The transmission...
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7170697 |
Programmable waveform for lamp ballast
A programmable waveform ballast has a power supply and a waveform generator. The power supply provides, from a power source, a variable power to a discharge lamp. The waveform generator is coupled...
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7169252 |
Method for the assembly of light integrators
A method of assembling a light handling device that includes a plurality of separate walls for reflecting and that is tolerant of elevated heat and heating cycles. The method provides a fast-set...
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7147903 |
High efficiency optical devices
Optical devices such as backlight assemblies, according to the present invention include a multilayer optical film in which at least one of the layers comprises an oriented birefringent polymer....
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7139139 |
Optical module
An optical module includes a package, which accommodates an optical system. A package main body has an opening. A lid is attached to the main body to close the opening of the main body. The lid...
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7110195 |
Monolithic hard pellicle
A monolithic optical pellicle and method of making used to protect a photomask during photolithography processing. The monolithic optical pellicle is comprised of a pellicle plate having a recessed...
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7079334 |
Infrared sight glass for aftermarket fitment
An infrared sight glass for aftermarket fitment around an opening of an enclosure which enables thermal inspection of electrical equipment within the enclosure. The mounting of the sight glass is...
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7031070 |
Plastic optical components
The plastic optical component includes a main body and a transparent moisture-proof coating provided on all surfaces of the main body, the moisture-proof coating satisfying the following relation...
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6964482 |
Optical rod, manufacturing method of optical rod, manufacturing jig of optical rod, and projector equipped with optical rod
A tubular body having a substantially rectangular cross-section is formed with a plurality of flat plates each having a surface with a light reflecting coating applied thereto. To form the tubular...
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6927910 |
Integrator, polarization conversion device, and display apparatus using the same
An integrator and a display apparatus using the same simplify the structure of an optical system and minimize optical loss. The integrator homogenizes, polarizes and recaptures incident lights. The...
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6912097 |
Iris diaphragm
An iris diaphragm comprising an annular base, an annular rotatable element and a number of leaves which can be mounted to form a variable aperture, each leaf extending between the base and element...
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6896377 |
Interchangeable low-backscatter aperture structure
An interchangeable low-backscatter aperture structure includes but is not limited to an aperture insert that is releasably engaged in a base. The aperture insert includes an aperture that may be of...
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6894853 |
Stress relieved frame
An improved window frame and window piece for a micromirror assembly is disclosed herein. The window frame includes a stress-relieving contour positioned in the middle of the frame that can absorb...
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6873480 |
Method and apparatus for packaging optical elements
An optical element is disposed between cover glasses, and an optical coupling liquid is injected between the optical element and the cover glasses to form an optical package. An adhesive provides a...
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6870695 |
Aberration-correcting window configurations
An optical configuration suited to the monitoring of a process flow through the wall of a containment vessel for producing a high-quality, high-NA sample focus and reduced residual positive...
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6867932 |
Iris type light quantity adjusting device, lens device, and image-taking apparatus
An iris type light quantity adjusting device is disclosed that includes:
a plurality of shading blades, each shading blade pivoting around each shaft provided around a fixed opening in a...
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6866431 |
Light amount adjustment apparatus, manufacturing method, and photographing apparatus
There is disclosed a light amount adjustment apparatus for adjusting a state of a flux passed through an aperture having a predetermined aperture diameter, the apparatus comprising: a light amount...
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6834971 |
Low-backscatter aperture structure
A system including but not limited to a low-backscatter aperture structure, where the system can include but is not limited to a camera, an optical communications system, an imaging system, a test...
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6795260 |
Optical unit and its use
An optical unit ( 10 ) comprising a plurality of optical elements, a receiving structure ( 12 ) with a plurality of element supports ( 40, 41 ) for receiving the optical elements. The element...
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6780015 |
Night vision goggles training system
A training system and method for use of simulated night vision goggles (NVG) which provides the full dynamic range of NVG simulation including low intensity, medium intensity and high intensity...
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6741411 |
Changeable process window
A process window unit for the spectroscopic study of process mixtures The process window is comprised of a window frame for holding a window, a screw cylinder, with a radiation passage in its core...
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6639745 |
Observation window of a hyperbaric chamber
An observation window of a hyperbaric oxygen chamber includes a frame, and a transparent member. The frame is fixedly joined to a wall of the chamber. The frame includes an outer annular connecting...
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6628464 |
Slotted peep
The slotted peep of this invention is a device that eliminates the detrimental effects of diffracted light from its aperture. Diffraction causes light to bend toward and perpendicular to an...
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6621574 |
Dual function safety and calibration accessory for raman and other spectroscopic sampling
This invention relates to an accessory for incorporation into Raman and other spectroscopic instruments for combining shuttering and spectroscopic calibration functions. The accessory is comprised...
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6560050 |
Optical segmented RF signature managed window
A window has at least two surfaces oriented relative to each other at an angle greater than zero. A conductive path is disposed across the two surfaces and renders the window reflective or...
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6552864 |
Beam generation method and system
A method and a system for generating a beam of radiation in a target plane located in a near-filed region of a radiation emitting means. A beam of radiation having a substantially plane wavefront...
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6552861 |
Optical guide fixture
The present invention provides an optical guide fixture for coupling visual information on a surface to a viewer. The optical guide fixture of the invention can be coupled to an optical receiver,...
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6541694 |
Nonimaging light concentrator with uniform irradiance
A nonimaging light concentrator system including a primary collector of light, an optical mixer disposed near the focal zone for collecting light from the primary collector, the optical mixer...
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6540146 |
Scanning projection light source for barcode device
A scanning projection light source for a barcode device includes a laser diode, a converging lens located in front of the laser diode, a first photo mask located in front of the converging lens...
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6530539 |
Internal fluid cooled window assembly
An interceptor missile including an infrared radiation detection subsystem and a window assembly in the hull of the missile optically coupled to the infrared radiation detection subsystem. The...
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6525890 |
Latch for optical assembly
An optical assembly includes a frame member for holding an optical member, a mounting member releasably coupled to the frame member and having a latch engaging surface. A latch member is coupled to...
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6515806 |
Eyepiece attachment structure for observation optical instrument
An eyepiece attachment structure for attaching an eyepiece to an observation optical instrument is provided with an attaching sleeve protruding from the eyepiece, a holding member secured to the...
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6509954 |
Aperture stop having central aperture region defined by a circular ARC and peripheral region with decreased width, and exposure apparatus and method
An aperture stop that can be used in an exposure apparatus and method includes a central aperture region defined by a circular arc and a peripheral region having a decreased width.
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6491396 |
Projector modulating a plurality of partial luminous fluxes according to imaging information by means of an electro-optical device
The invention relates to methods and systems that suppress the expansion of an illuminating luminous flux in the short-side direction of a sub-pixel and prevents a color mixture caused by leak of...
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6488208 |
Bar code reading apparatus
The invention relates to a bar code reading apparatus of the sensing for a bar code along a scanning direction, comprising a light source to produce a transmitted light beam and a diaphragm to...
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6460804 |
Emergency vision apparatus
An emergency supplementary vision device comprises a collapsible tube made of airtight material and having an expanded form and a compact stowed form; first and second clear members disposed at...
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6429961 |
Methods for retrofitting windows with switchable and non-switchable window enhancements
A method for retrofitting a window by combining the window with a switchable or non-switchable window enhancement. The method includes providing a window comprising at least one relatively...
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6414796 |
Head-up display device and laminated glass for head-up display device
For prevention of ghost images from occurring on head-up displays, a glass surface is ground, and a reflecting surface with a wedge-shaped cross section is formed. Furthermore, in order to reduce...
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6407873 |
Safety shutter
A safety shutter suitable for intercepting an energy beam. The safety shutter includes at least one shutter blade having a top end and a bottom end. At least one motor is coupled to the bottom end...
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6381070 |
Method and apparatus for lighting
A method and apparatus for a lighting system with light collection from a plurality of light sources including natural sunlight, distribution and control of said plurality of light sources, and a...
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6373646 |
Laser projection apparatus
A laser projection apparatus includes a source for generating a laser beam, various optical elements for manipulating the laser beam in order to obtain a predetermined image projection of laser...
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6366415 |
Underwater seeing device
An underwater seeing device for enabling the user to see underwater without having to bend over. The underwater seeing device includes an elongate tubular member having a main portion, a neck...
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6361165 |
Flyglasses
Flyglasses having two lenses, at least one of which is faceted and both of which are held in a mount that is preferably flat. The mount can be in the form of a so-called lorgnette having a handle...
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