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Private Listing: Number 2744 Private  

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Patent Summary

U.S. Patent Classes & Classifications Covered in this listing:

Class 359: Optical: Systems And Elements

Optical elements included in this class are: Lenses; Polarizers; Diffraction gratings; Prisms; Reflectors; Filters; Projection screens; Optical Modulators; Optical Demodulators. Among the optical systems included in this class are: Compound lens systems; Light reflecting signalling systems (e.g., retroreflectors); stereoscopic systems; Binocular devices; Systems of lenticular elements; Systems involving light interference; Glare reducing systems; Light dividing and combining systems; Light control systems (e.g., light valves); building illumination with natural light; Systems for protecting or shielding elements; Optical systems whose operation depends upon polarizing, diffracting, dispersing, reflecting, or refracting light; kaleidoscopes. Further included are certain apertures, closures, and viewing devices of a specialized nature which involve no intentional reflection, refraction, or filtering of light rays. This class also includes optical elements combined with another type of structure(s) to constitute an optical element combined with a nonoptical structure or a perfection or improvement in the optical element.

Subclass 246: Modulation of polarized light via modulating input signal
Subclass 256: With birefringent element
Subclass 494: By birefringent element
Subclass 495: For beam deflection or splitting
Subclass 586: Layers having specified index of refraction
Subclass 588: Filter having four or more layers
Subclass 589: Selective wavelength transmission or reflection
Subclass 618: SINGLE CHANNEL SIMULTANEOUSLY TO OR FROM PLURAL CHANNELS (E.G., LIGHT DIVIDING, COMBINING, OR PLURAL IMAGE FORMING, ETC.)
Subclass 625: Focusing or defocusing by noncurved surfaces (e.g., prismatic, etc.)
Subclass 627: Reflective
Subclass 629: By partial reflection at beam splitting or combining surface
Subclass 634: Wavelength selective (e.g., dichroic mirror, etc.)
Subclass 637: With path length or aberration correcting element
Subclass 638: With partial reflection at a surface of a prism
Subclass 640: Including prismatic element
Subclass 726: With reflecting element

Class 204: Chemistry: Electrical And Wave Energy

This class includes, where not provided for elsewhere: A. Processes (1) involving the use of electrolysis (as provided for in Class 205); (2) of preparing or purifying compounds or elements involving chemical reaction brought about by electrical or wave energy in a magnetic field; (3) of treating materials involving chemical reaction brought about by wave energy; (4) of preparing or purifying compounds or elements involving chemical reaction brought about by an electrostatic field or electrical discharge; (5) involving the use of electrophoresis or electro-osmosis; (6) of treating a liquid (a) to separate or purify the liquid using electric and magnetic fields simultaneously, (b) to separate or purify the liquid using an electric field, or (c) using a magnetic field to obtain some effect other than mere separation or purification of the liquid; (7) involving coating, forming, or etching by the use of sputtering; and (8) involving coating by the use of vacuum arc discharge.

Subclass 192.26: Optical or photoactive
Subclass 192.27: Reflective
Subclass 192.28: Absorptive
Subclass 192.29: Transparent conductor
Subclass 471: Coating or forming of object

Class 348: Television

Generating, processing, transmitting or transiently displaying a sequence of images, either locally or remotely, in which the local light variations composing the images may change with time.

Subclass 742: Color sequential
Subclass 743: With moving color filters
Subclass 750: Plural parallel light modulators
Subclass 757: Beam combining
Subclass E9.012: Picture reproducers (EPO)
Subclass E9.026: Using laser beams scanning the display screen (EPO)
Subclass E9.027: Using light modulating optical valves (EPO)
Subclass E5.137: Projection arrangements for image reproduction, e.g., using eidophor (EPO)
Subclass E5.141: The modulator being an array of liquid crystal cells (EPO)

Class 349: Liquid Crystal Cells, Elements And Systems

Cells, elements, and systems which include molecules of a material having both liquid and crystalline properties. Included in this class are those which have a significant liquid crystal cell detail or liquid crystal response or properties, and in which the liquid crystal controls or changes the optical properties of electromagnetic radiation such as direction, phase, amplitude, frequency, or polarization state. This class also provides for nominal manufacturing methods for producing significant liquid crystal cell structure.

Subclass 105: Interference filter
Subclass 18: Variable or rotatable retarder used with other retarders to produce filtering effects (Solc, Lyot, Partial)
Subclass 57: Lens or prism separate from projection system (i.e., it is not integral part of illumination system)
Subclass 8: Plural light path projectors
Subclass 9: Having light separated into S and P polarization

Class 353: Optics: Image Projectors

Projectors for particular types of objects to be projected; such as maps and aerial photographs, targets, transparent plates, information data, microscopic objects, scales and indicators, and stencils or perforated plates. Various other species and types of projectors are also included here such as kaleidoscopic, heliostats, stereoscopic and relief, pointers, gun type, moving images on screens, episcopes and cabinets including screens. Various plural and composite types of projectors are included such as projectors involving plural projected images including multicolor, projectors for images combined with real objects, projectors with manual delineation, and plural projection with a single light source. Projectors selective at the operators choice are also included as where the selection is between a slide and a film strip, between a cabinet and a distant screen, and between opaque and transparency projection.

Subclass 102: PARTICULAR CONDENSER
Subclass 20: POLARIZER OR INTERFERENCE FILTER
Subclass 31: Multicolor picture
Subclass 33: Prism
Subclass 34: Plural projection paths with single light source
Subclass 37: Reflector between lamp and screen
Subclass 69: DISTORTION COMPENSATION
Subclass 81: PRISM IN LIGHT PATH
Subclass 82: PLURAL PROJECTION PATHS WITH SINGLE LIGHT SOURCE
Subclass 84: COLOR FILTER
Subclass 94: PLURAL
Subclass 97: LIGHT SHIELD, MASK, HOOD, OR DIAPHRAGM
Subclass 99: Plural

Class 430: Radiation Imagery Chemistry: Process, Composition, Or Product Thereof

This is the generic class for: (1) Forming the likeness of an object, or an instrumented or discernible phenomenon, in a chemically defined receiver or in a receiver wherein radiation produces a chemical reaction, by use of radiation. (2) Finishing an image by chemical processing regardless how formed. (3) A radiation sensitive receiver, composition, or product disclosed solely for radiation imagery chemistry, and process of making same. (4) A nonradiation sensitive-receiver, composition, or product. (5) An imaged product by a process or employing a receiver, composition, or product.

Subclass 7: Color
Subclass 200: Imagewise heating, element or image receiving layers therefor or imagewise vapor and gas transfer process, element or image receiving layer therefor

Class 345: Computer Graphics Processing And Selective Visual Display Systems

Processes and apparatus for selective electrical control of two or more light-generating or light-controlling display elements* in accordance with a received or stored image data signal. The image data includes character, graphical information or display attribute data. The image data may include, for example, information data from a peripheral input device, from the reception of a television signal, from the recognition of image data, or from the generation or creation of image data by a computer.

Subclass 1.3: Tiling or modular adjacent displays

Class 362: Illumination

Means and processes for casting visible radiant energy in at least one direction to render objects in that direction visible.

Subclass 19: WITH POLARIZER
Subclass 551: LIGHT FIBER, ROD, OR PIPE
Subclass 583: With filter device

Class 385: Optical Waveguides

(1) An optical waveguiding element, which conveys light from one point to another through an optically transparent elongated structure by modal transmission, total internal reflection, or total reflectorization. (2) A combination of an optical waveguiding element with an additional broadly recited optical element which couples light or a combination. (3) A combination of an optical waveguiding element with structure which mechanically joins this waveguiding element with another or with a diverse optical element. (4) An optical modulator where the modulation of a light wave characteristic is performed exclusively within an optical waveguiding element. (5) Other miscellaneous devices formed of an optical waveguide (e.g., a waveguide sensing device) and supplemental devices which are limited to use with an optical waveguide (e.g., an external clamp or retainer).

Subclass 11: POLARIZATION WITHOUT MODULATION
Subclass 133: OPTICAL IMAGING TUNNEL