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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 237: OPTICAL MODULATOR
Subclass 362: COMPOUND LENS SYSTEM
Subclass 455: Lenticular
Subclass 466: Stereo-viewers
Subclass 619: By surface composed of lenticular elements

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 E13.004: Using a stereoscopic image camera (EPO)
Subclass E13.028: Using a fly-eye lenticular screen (EPO)
Subclass E13.029: Using a lenticular screen (EPO)
Subclass E13.031: Using an array of controllable light sources or a moving aperture or light source (EPO)
Subclass E13.033: Color aspects (EPO)
Subclass E13.058: Using an image projection screen (EPO)

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 7: STEREOSCOPIC

Class 257: Active Solid-State Devices (E.G., Transistors, Solid-State Diodes)

This class provides for active solid-state electronic devices, that is, electronic devices or components that are made up primarily of solid materials, usually semiconductors, which operate by the movement of charge carriers - electrons or holes - which undergo energy level changes within the material and can modify an input voltage to achieve rectification, amplification, or switching action, and are not classified elsewhere.

Subclass 14: Quantum well
Subclass 19: Si x Ge 1-x
Subclass 21: Light responsive structure
Subclass 22: With specified semiconductor materials
Subclass 40: ORGANIC SEMICONDUCTOR MATERIAL
Subclass 79: INCOHERENT LIGHT EMITTER STRUCTURE
Subclass 80: In combination with or also constituting light responsive device
Subclass 87: With means to facilitate electron-hole recombination (e.g., isoelectronic traps such as nitrogen in GaP)
Subclass 94: With heterojunction
Subclass 96: Plural heterojunctions in same device
Subclass 101: With particular dopant concentration or concentration profile (e.g., graded junction)
Subclass 103: With particular semiconductor material
Subclass 106: Reverse bias tunneling structure (e.g., backward diode, true Zener diode)
Subclass 432: With optical element
Subclass 436: With means for increasing light absorption (e.g., redirection of unabsorbed light)
Subclass 565: BIPOLAR TRANSISTOR STRUCTURE
Subclass 592: With base region having specified doping concentration profile or specified configuration (e.g., inactive base more heavily doped than active base or base region has constant doping concentration portion (e.g., epitaxial base))
Subclass 613: INCLUDING SEMICONDUCTOR MATERIAL OTHER THAN SILICON OR GALLIUM ARSENIDE (GAAS) (E.G., PB X SN 1-X TE)
Subclass E33.045: Having p-n or hi-lo junction (EPO)
Subclass E33.049: Comprising only Group III-V compound (EPO)
Subclass E31.018: Including ternary compound (e.g., HgCdTe) (EPO)
Subclass E31.032: Characterized by semiconductor body shape, relative size, or disposition of semiconductor regions (EPO)
Subclass E31.035: Including, apart from doping material or other impurity, only Group IV element or compound (e.g., Si-SiGe superlattice) (EPO)
Subclass E31.054: Device sensitive to infrared, visible, or ultraviolet radiation (EPO)
Subclass E31.061: PIN potential barrier (EPO)
Subclass E31.099: Light source being semiconductor device with potential or surface barrier (e.g., light-emitting diode) (EPO)
Subclass E31.113: Circuit arrangement of general character for device (EPO)
Subclass E31.12: For device having potential or surface barrier (EPO)
Subclass E31.127: Optical element associated with device (EPO)
Subclass E29.044: Base region of bipolar transistors (EPO)
Subclass E29.091: In different semiconductor regions (e.g., heterojunctions) (EPO)
Subclass E29.189: Vertical transistors (EPO)
Subclass E29.336: PIN diode (EPO)
Subclass E21.038: Characterized by process involved to create mask, e.g., lift-off mask, sidewalls, or to modify mask, such as pre-treatment, post-treatment (EPO)
Subclass E21.125: Defect and dislocati on suppression due to lattice mismatch, e.g., lattice adaptation (EPO)
Subclass E21.127: Group III-V compound on Si or Ge (EPO)
Subclass E21.387: Heterojunction transistor (EPO)

Class 438: Semiconductor Device Manufacturing: Process

This class provides for manufacturing a semiconductor containing a solid-state device for the following purposes: (a) conducting or modifying an electrical current, (b) storing electrical energy for subsequent discharge within a microelectronic integrated circuit, or (c) converting electromagnetic wave energy to electrical energy or electrical energy to electromagnetic energy. Also operations involving: (1) coating a substrate with a semiconductive material, or (2) coating a semiconductive substrate or substrate containing a semiconductive region. It also provides for operations involving etching a semiconductive substrate or etching a substrate containing a semiconductive region. The class provides for packaging or treatment of packaged semiconductor.

Subclass 22: MAKING DEVICE OR CIRCUIT EMISSIVE OF NONELECTRICAL SIGNAL
Subclass 45: Dopant introduction into semiconductor region

Class 398: Optical Communications

This class provides for all types of communication systems in which optical signals are used to transmit modulated carrier wave information between points. Such communication includes transmitting an intelligence-bearing signal from one point to another in the form of variations in a characteristic of the light wave. The communication may be through free space, fibers or waveguides. These are used to transfer the information with an optical beam, and this beam can be used in various communication schemes to enable the most effective or desired method of moving the information, including optical multiplexing when plural information signals or plural transmitters and receivers are utilized.

Subclass 119: Compensation
Subclass 126: Specific repeater
Subclass 130: Transmitter and receiver

Class 372: Coherent Light Generators

An assembly of electrical, mechanical, and optical components produces an intense, coherent, directional beam of light by stimulating electronic, ionic, or molecular transitions to lower energy levels.

Subclass 3: RAMAN LASER
Subclass 5: SHORT WAVELENGTH LASER
Subclass 6: OPTICAL FIBER LASER
Subclass 7: THIN FILM LASER
Subclass 25: Control of pulse characteristics
Subclass 39: PARTICULAR ACTIVE MEDIA
Subclass 45.011: With strained layer
Subclass 45.012: With superlattice structure
Subclass 50.1: Monolithic integrated
Subclass 66: Active media with particular shape
Subclass 69: PARTICULAR PUMPING MEANS

Class 250: Radiant Energy

This class provides for all methods and apparatus for using, generating, controlling or detecting radiant energy, combinations including such methods or apparatus, subcombinations of same and accessories therefore not classifiable elsewhere.

Subclass 332: Including detector array
Subclass 343: With means to transmission-test contained fluent material
Subclass 351: With periodic beam varying means

Class 428: Stock Material Or Miscellaneous Articles

This is the residual class for: 1. Stock material in the form of a structurally defined web, sheet, rod, strand, fiber, filament, cell, flake, particle not provided elsewhere. 2. Stock material in the form of a web, sheet, mass or layer which consists of or contains a structurally defined constituent or element. 3. A nonstructural laminate defined merely in terms of the composition of one or more layers. 4. An article of manufacture or an intermediate-article not provided for elsewhere. 5. A process for applying an impregnating material to a naturally solid product such as a wood beam, a sheet of leather or a stone, or for applying a coating to a base, and which process includes no significant method step.

Subclass 620: Semiconductor component
Subclass 690: Fluroescent, phosphorescent, or luminescent layer

Class 313: Electric Lamp And Discharge Devices

This is the generic class for electric lamp and electric space discharge device structure. Examples of such devices are electric incandescent lamps, gas or vapor filled electric discharge tubes, including lamps, mercury arc devices, vacuum discharge tubes, radio tubes, cyclotrons, cathode-ray tubes, photosensitive discharge devices, secondary emission electron multipliers, spark plugs, and open air arc and spark devices.

Subclass 504: Organic phosphor
Subclass 506: Plural layers

Class 526: Synthetic Resins Or Natural Rubbers -- Part Of The Class 520 Series

Part of the Class 520 Series - some general types of subject matter include: Solid synthetic resins, per se, regardless of utility; processes of preparing a synthetic resin involving a chemical reaction; reactable compositions which form a product; processes of purifying a solid synthetic resin or composition containing a synthetic resin by a chemical or physical process; process of reclaiming or recovering a solid synthetic resin; processes of treating a synthetic resin or specified intermediate condensation product with a reactant, or product thereof; blends of solid synthetic resins, processes of preparing or treating such blends; chemically reacted solid synthetic resins or processes of preparing; potentially reactable compositions which contain a solid synthetic resin or SICP and products of such a reaction, or processes of preparing; room vulcanizable potentially reactive compositions which merely require moisture and which are usually activated by heat and/or pressure to form a product; compositions of a nonreactant material and a solid synthetic resin or SICP; compositions containing a structurally defined material which is dispersed in a matrix which is not identified by overall dimension or some structure or processes of preparing; single-layered products containing a solid synthetic resin or composition thereof reciting no structure or dimension, or a fiber, filament, etc., which is no more than the material from which it is made, nonstructured single-layered web or sheet is encompassed; particles or a powder, per se, of a solid synthetic resin or composition thereof for which particles or powder no dimensions are recited; reactable compositions which form a product proper for this class and contain a photoinitiator or photosensitizer which are activated by wave energy or processes of preparing.

Subclass 258: From monomer containing nitrogen atom as part of a heterocyclic ring
Subclass 263: Nitrogen of ring is bonded directly or indirectly to extracyclic ethylenic moiety
Subclass 310: From nitrogen containing monomer other than acrylonitrile or methacrylonitrile
Subclass 340: Interpolymerized with aromatic hydrocarbon

Class 252: Compositions

(A) Compositions of matter, having or not having structure, physical form or heterogeneous arrangement of components and for which there is no provision elsewhere. (B) Packages of such compositions, or other articles which include such compositions for which there is no provision elsewhere. (C) Processes of making, or peculiar to making, such compositions and for which there is no provision elsewhere. (D) Apparatus for use in or peculiar to such processes and for which there is no provision elsewhere.

Subclass 62.3Q: Organic
Subclass 500: ELECTRICALLY CONDUCTIVE OR EMISSIVE COMPOSITIONS

Class 315: Electric Lamp And Discharge Devices: Systems

Electric lamp and electric space discharge device systems: structural combinations with circuit elements; structural combinations with heating and/or cooling means; cathode-ray tubes; lamps and/or discharge devices as sole load devices; lamps; electric space discharge devices gas or vapor discharge devices; high vacuum-type discharge devices, and gas or vapor-type discharge devices claimed broadly; plural load device systems; art uses and combinations with art devices; testing electric lamps and discharge devices; and operating a lamp or a gas or vapor discharge device.

Subclass 169.1: Diverse-type energizing or bias supplies to different electrodes

Class 216: Etching A Substrate: Processes

Chemical etching processes for treating articles of commerce or intermediate articles not otherwise provided for in which one of the manufacturing steps includes a chemical etching step (use of an etchant) and wherein the material treated is not completely removed.

Subclass 2: ETCHING OF SEMICONDUCTOR MATERIAL TO PRODUCE AN ARTICLE HAVING A NONELECTRICAL FUNCTION
Subclass 24: FORMING OR TREATING OPTICAL ARTICLE
Subclass 26: Lens
Subclass 49: Mask resist contains organic compound
Subclass 72: Etching a multiple layered substrate where the etching condition used produces a different etching rate or characteristic between at least two of the layers of the substrate

Class 378: X-Ray Or Gamma Ray Systems Or Devices

This is the generic class for apparatus and corresponding processes involving the generation or use of electromagnetic radiation within the X-ray spectrum. Methods, systems, and elements with specific features characteristic of X-ray applications are classified here.

Subclass 73: Crystalography
Subclass 83: Composition analysis