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Patent No. 6612440

Banana Protective Device

A banana protective device for storing and transporting a banana carefully.

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Class 359/497 - Using plural elements


Subclass of Class 359 - Optical: systems and elements
Definition: Subject matter wherein beam polarization is achieved by
No. of applications: 62
Last issue date: 03/17/2011


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Application No.Application TitleIssue Date
20070047079Polarizing multiplexer and methods for intra-oral scanning
A polarizing multiplexer includes a first arm with a first beam splitter to receive a first unpolarized light from an object and a first retarder coupled to the first beam splitter to generate a first right-hand circularly polarized (RHCP) beam. A normal incident beam s...
03/01/2007
20070047081Attenuator for high-power unpolarized laser beams
A method for attenuating an unpolarized laser beam includes separating the laser beam into two plane-polarized beams. The plane-polarized beams are polarization rotated. Each of the polarization-rotated beams is separated into two plane-polarized portions. One of the po...
03/01/2007
20070047080METHODS OF PRODUCING MULTILAYER REFLECTIVE POLARIZER
Methods of forming multilayer reflective polarizers are described. One method includes providing a multilayer polymer film having a plurality of alternating polymeric optical layer pairs, heating the multilayer polymer film to a temperature of about or greater than both...
03/01/2007
20070024976High efficiency beam distribution with independent wavefront correction
A beam distribution apparatus includes a stack of parallelogram prisms and beam-splitting coatings each located between opposing parallel faces of adjacent parallelogram prisms. The stack is mounted on an entrance face of a triangular prism. The triangular prism include...
02/01/2007
20060215266Optical low-pass filter
An optical low-pass filter includes: two birefringent plates; a phase plate made of a polymer film and bonded between the two birefringent plates through an adhesive layer or a tacky layer; and a sealing portion provided over an entire periphery of an external periphery...
09/28/2006
20060126066Polarization analyzer
A thin polarizer array and a wavelength plate array that are composed of micro regions having different optical axis directions and wavelength characteristics and have a high extinction ratio and a low insertion loss, and a polarization analyzer using them are disclosed...
06/15/2006
20060109551Birefringent spectral filter
A birefringent spectral filter comprises a first birefringent stage and a polarizing beam splitter optically coupled to the first birefringent stage. The first birefringent stage is adapted to generate an optical path difference between light propagating along each of t...
05/25/2006
20060092512Polarization element unit and polarization light emitting apparatus
In the present wire grid polarization element unit and polarized light emitting apparatus, it is possible to prevent non-polarized light, which has bad extinction ratio from leaking from end portions of polarization elements. Specifically, in a frame, wire grid polariza...
05/04/2006
20060056026Method for eliminating strong ambient light in aircraft cockpits
Light is polarized in perpendicular directions between a source of light and a users viewing of information on a display device. A first sheet of polarized material is placed at the source of the light, such as a window in a cockpit. A second sheet of polarized material...
03/16/2006
20060056025Polarization recovery system for projection displays
A waveguide polarization recovery system both polarizes the input light energy for use with an LCD imager and converts the polarity of unusable light energy to add to the illumination of the LCD imager. The compact polarization recovery waveguide system generally includ...
03/16/2006
20060007541Imaging system for emulation of a high aperture scanning system
The present invention is directed to an optical imaging system for inspection microscopes with which lithography masks can be checked for defects particularly through emulation of high-aperture scanner systems. The imaging system, according to the invention, for emulati...
01/12/2006
20060007540Polarization splitter, optical unit and image projector
A polarization splitter includes first and second glass members, and a polarization splitting layer and an adhesive layer arranged between the first and second glass members, wherein the polarization splitter satisfies α2×E<6000000 and K>0.5, where α is a ...
01/12/2006
20060001970Optical arrangement for pre-processing primary illumination light
An optical arrangement for pre-processing primary illumination light is proposed, wherein a provided spectral processing section (P) comprises a multi-prism assembly (10) consisting of a plurality of sequentially/consecutively connected prisms (21, 22). Pa...
01/05/2006
20050254127Time-sequential colour projection
A time-sequential colour projector comprises a pixellated light valve (2), such as a liquid crystal device, and a plurality of light sources (30, 31, 32). The light sources (30, 31, 32) direct light on different sets of pixels of the light valve (
11/17/2005
20050248845Polarization conversion system
A polarization conversion system comprises a glass substrate; reflection type polarization plates, formed between top and bottom surfaces of the glass substrate and inclined at a predetermined angle, separating unpolarized incident light into two polarization directions...
11/10/2005
20050207010Optical isolator and method of producing the same
An optical isolator comprises a Faraday rotator for non-reciprocally rotating a polarization plane of light, and two polarizers joined to both sides of the Faraday rotator. Each of the polarizers is processed into a spherical surface to form a lens for converging or div...
09/22/2005
20050195480System and method converting the polarization state of an optical beam into an inhomogeneously polarized state
A system for converting the polarization state of an optical beam which propagates along a path from an initial polarization state into an inhomogeneous polarization state in accordance with embodiments of the present invention includes a first anisotropic material posi...
09/08/2005
20050180010DIELECTRIC MULTILAYER FILTER AND ITS MANUFACTURING METHOD, AND SOLID-STATE IMAGING DEVICE
A dielectric multilayer filter includes a light-transmissive substrate having a flat surface on at least one side with a dielectric multilayer film formed on the flat surface. The dielectric multilayer film reflects light of a particular wavelength. A resin focusing len...
08/18/2005
20050174640Optical polarization beam combiner
An optical polarization beam combiner includes a polarization beam displacer or a birefringent crystal that is provided with a deflecting edge having two slant deflecting faces. The deflecting edge economically replaces for the wedged crystals of the prior art to modify...
08/11/2005
20050111102Reflection-type optical device
A reflection-type optical device used for an optical communication system, in which an element structure can be simplified and excellent optical characteristics are obtained. The reflection-type optical device includes a birefringent plate, a magnetic domain A of a Fara...
05/26/2005
20050046943Wire grid polarizer and method for producing same
There are provided a thin wire grid polarizer having a high transmittance, a high quenching ratio and a high degree of polarization, and a method for producing the same at low costs. A fluoridated polyimide thin film 12, a hydrophilic thin film 13 and a hy...
03/03/2005
20050041290Optical interleaver, filter cell, and component design with reduced chromatic dispersion
An optical interleaver for use in a range of telecommunications applications including optical multiplexers/demultiplexers and optical routers. The optical device includes an optical processing loop which allows multi-stage performance characteristics to be achieved wit...
02/24/2005
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