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Patent Summary

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

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 119: With lens or mirror
Subclass 125: Utilizing nonsolid core or cladding
Subclass 132: Channel waveguide
Subclass 140: Attenuator
Subclass 142: Of waveguide core
Subclass 16: Switch (i.e., switching from one terminal to another, not modulation)
Subclass 17: Matrix switch (i.e., M X N, where M and N are 3 or more)
Subclass 18: Reflective-type switch
Subclass 2: Electro-optic
Subclass 20: Multiple pole multiple throw
Subclass 21: Double pole multiple throw
Subclass 22: Single pole multiple throw (relay switch)
Subclass 23: Single pole single throw
Subclass 24: Plural (e.g., data bus)
Subclass 27: Particular coupling function
Subclass 31: Input/output coupler
Subclass 33: Lens
Subclass 39: Particular coupling structure
Subclass 52: With alignment device
Subclass 55: Structure surrounding optical fiber-to-fiber connection
Subclass 80: Adhesively fixed
Subclass 92: With housing

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 245: Electro-optic
Subclass 290: By changing physical characteristics (e.g., shape, size or contours) of an optical element
Subclass 291: Shape or contour of light control surface altered
Subclass 295: Having multiple electrodes
Subclass 298: Light wave directional modulation (e.g., deflection or scanning is representative of the modulating signal)
Subclass 388: With optical switching means
Subclass 619: By surface composed of lenticular elements
Subclass 668: Anamorphic
Subclass 727: Including concave or convex reflecting surface
Subclass 730: Reflectors in series
Subclass 838: MIRROR
Subclass 846: Including specified control or retention of the shape of a mirror surface
Subclass 847: Membrane mirror in mechanical contact only at its edge
Subclass 850: Plural mirrors or reflecting surfaces
Subclass 857: With successive reflections
Subclass 861: With three or more successive reflections
Subclass 872: Mirror movable relative to support
Subclass 876: With rotation of mirror about perpendicular axes
Subclass 877: With switch or motor controlling mirror movement

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 12: Switch
Subclass 147: Dispersion compensation
Subclass 149: Using equalizing filter (e.g., interferometer, grating)
Subclass 154: Including synchronization
Subclass 155: Clock recovery
Subclass 159: Reducing distortion or dispersion
Subclass 19: Switch
Subclass 205: Including polarization
Subclass 208: Including postcompensation
Subclass 42: Wavelength division
Subclass 45: Optical switching
Subclass 46: Hybrid
Subclass 47: Time and wavelength
Subclass 48: Wavelength
Subclass 49: Router
Subclass 50: Crossconnect
Subclass 52: Time
Subclass 53: Including delay
Subclass 55: space
Subclass 56: Crossconnect
Subclass 82: By optical coupling
Subclass 85: Filter
Subclass 88: Lens

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 20: Tuning
Subclass 25: Control of pulse characteristics
Subclass 28: Frequency
Subclass 29.01: Having particular beam control circuit component
Subclass 29.021: Power
Subclass 31: Amplitude
Subclass 32: Frequency
Subclass 38.02: For driving or controlling laser
Subclass 38.07: Controlling current or voltage to laser
Subclass 49.01: Particular coating on facet
Subclass 50.12: Laser array
Subclass 102: Grating

Class 24: Buckles, Buttons, Clasps, Etc.

Buckles, buttons, clasps, cord and rope holders, pins, separable fasteners, etc., which have become so varied in use and so allied in structure as to belong to no specific art, but are novel only as to their structures. There are, however, several types of fastenings included where the devices are but slightly identified with the art and are closely analogous to the main titles above cited. Such patents are retained under more or less art titles. Devices which embrace fastenings as above, but also include elements which connect them with various specific arts, have been excluded as far as practicable.

Subclass 27: Wire

Class 356: Optics: Measuring And Testing

Methods and apparatus (1) for analyzing light to measure or test its characteristics, such as intensity, color and polarization; (2) for determining the optical or nonoptical properties of materials or articles by noting, as by inspection, measurement, or test the effect produced by the materials or articles on light associated therewith; and (3) for measuring the dimensions of structures or the spatial relationships such as distances or angle bearings of spaced points by comparison of the respective properties (usually direction or spatial position) of the light from these points or by comparison of the properties of these lights with some scale or standard. The light analyzing includes or is for spectroscopy, interference, polarization, beam direction or pattern, focal position of a light source, shade or color, and photometers. The material or article properties determined are or involve crystal or gem examination, material strain analysis, blood analysis, optical pyrometers, egg candling, cutting blade sharpness, oil testing, document verification, flatness, lens or reflector testing, refraction testing, monitoring moving webs or fabrics, light transmission or absorption, light reflection, inspection for flaws or imperfections in materials, and thread counting. The dimensioning and spatial relationship determination includes triangulation by a light beam, contour plotting, range or height finders, motion stopping, velocity or velocity/height measuring, sighting where the optical element or reticle moves with the sighted object, particle size determination, particle light scattering, electrophoresis, angle measuring or axial alignment, mensuration or configuration comparison, alignment in a lateral direction, and fiducial instruments.

Subclass 369: Of surface reflection
Subclass 510: Tilt
Subclass 511: Contour or profile
Subclass 519: Having partially reflecting plates in series (e.g., Fabry-Perot type)
Subclass 630: Thickness

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 29: Including integrally formed optical element (e.g., reflective layer, luminescent material, contoured surface, etc.)
Subclass 32: Optical grating structure
Subclass 52: Having cantilever element
Subclass 597: To form ohmic contact to semiconductive material
Subclass 66: Plural responsive devices (e.g., array, etc.)
Subclass 69: Including integrally formed optical element (e.g., reflective layer, luminescent layer, etc.)
Subclass 725: Organic material (e.g., resist, etc.)
Subclass 78: Having structure to improve output signal (e.g., exposure control structure, etc.)
Subclass 780: Depositing organic material (e.g., polymer, etc.)
Subclass 82: Having organic semiconductor component

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 80: In combination with or also constituting light responsive device
Subclass 89: Multi-color emission
Subclass 355: With overvoltage protective means
Subclass 458: PIN detector, including combinations with non-light responsive active devices
Subclass 484: Guard ring
Subclass 635: Multiple layers
Subclass 637: Three or more insulating layers
Subclass 642: At least one layer of organic material
Subclass 736: Layered
Subclass 748: Plural layers of specified contact or lead material
Subclass 759: Including organic insulating material between metal levels
Subclass 760: Separating insulating layer is laminate or composite of plural insulating materials (e.g., silicon oxide on silicon nitride, silicon oxynitride)
Subclass 772: Solder composition
Subclass 773: Of specified configuration
Subclass 777: Chip mounted on chip
Subclass E31.061: PIN potential barrier (EPO)
Subclass E31.063: Potential barrier working in avalanche mode (e.g., avalanche photodiode) (EPO)
Subclass E31.064: Heterostructure (e.g., surface absorption or multiplication (SAM) layer) (EPO)
Subclass E31.12: For device having potential or surface barrier (EPO)
Subclass E31.125: For device having potential or surface barrier (EPO)
Subclass E25.013: Stacked arrangements of devices (EPO)

Class 422: Chemical Apparatus And Process Disinfecting, Deodorizing, Preserving, Or Sterilizing

This is a generic class for (1) processes of disinfecting, deodorizing, preserving or sterilizing and (2) apparatus for (a) carrying out chemical reactions, (b) preparing or treating chemical compounds or compositions even though only a physical reaction is discernible, (c) performing an analysis which involves either a chemical reaction or a physical reaction not elsewhere provided, for and (d) carrying out the above processes not elsewhere provided for.

Subclass 82.01: Measuring electrical property
Subclass 82.02: Resistance or conductivity
Subclass 98: Analysis based on electrical measurement

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 192.17: Electrical contact material
Subclass 401: Fault testing of sensor or component
Subclass 404: Corrosion
Subclass 406: With significant electrical circuitry or nominal computer device

Class 436: Chemistry: Analytical And Immunological Testing

This is the generic class for: chemical test standards, analytical compositions, and processes which involve a chemical reaction for determining qualitatively or quantitatively the presence of a chemical element, compound or complex in a composition or a chemical compound, or an element or radical in a compound; processes for analysis which involve an in vitro antigen-antibody, immunological or protein binding interaction other than those involving a living antigen, or enzyme label; and processes of analysis or study of the chemical properties of a sample; the physiological effect of a sample; or chemical determination of a physical property of a sample. Compositions and their mere methods of use of thermoparticulating compositions. Combinations of tests or measurements with methods of regulating a chemical reaction not otherwise provided for in a chemical synthesis class or otherwise.

Subclass 151: By means of a solid body in contact with a fluid

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 227.14: Condition responsive light guide (e.g., light guide is physically affected by parameter sensed which results in light conveyed to the photocell)

Class 375: Pulse Or Digital Communications

This is the generic class for pulse or digital communication systems using electrical or electromagnetic signals. Such communication includes transmitting an intelligence bearing signal from one point to another in the form of discrete variations in some parameter of the electrical or electromagnetic signal.

Subclass 232: Adaptive
Subclass 317: Automatic baseline or threshold adjustment
Subclass 340: Particular pulse demodulator or detector
Subclass 346: Interference or noise reduction

Class 310: Electrical Generator Or Motor Structure

This is the residual class for all subject matter, not elsewhere classified, relating to electrical generator or motor structure.

Subclass 306: Thermal or pyromagnetic
Subclass 309: Electrostatic

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 84: Light-controlling display elements

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 26: Lens
Subclass 67: Using plasma
Subclass 80: Silicon containing substrate is glass

Class 361: Electricity: Electrical Systems And Devices

Systems or devices which provide safety and protection for other systems and devices; control circuits for electromagnetic devices and non-electromagnetic-type relays. Systems or devices which discharge, or prevent the accumulation of electrical charge on or in an object or material; circuits for charging objects or materials. Systems for generating or conducting an electric charge. Systems which process electrical speed signals. Circuits for reversing the polarity of an electric circuit. Systems which cause the ignition of a fuel or an explosive charge. Systems and processes for demagnetizing a magnetic field. Transformers and inductors with integral switch, capacitor or lock. Electrostatic capacitors, per se. Housings and mounting assemblies with plural diverse electrical components. Electrolytic systems and devices.

Subclass 281: Electrical
Subclass 311: Solid dielectric

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 321: Optical device

Class G9B/7.165:

Class G9B/7.195:

Class G9B/7.196:

Class 65: Glass Manufacturing

(1) processes and/or apparatus for making stock or articles of those ceramic masses, which generally include a "glass former" or an oxide which approaches glass forming properties, in their composition and which are formed by fusion of raw materials (generally mixtures, most of which are of an earthy nature - as distinguished from metallic, organic, etc., - silicon, silica, and slag are included) at ordinary high furnace temperatures, by working (molding, shaping, etc.) of the mass after being melted or changed to a plastic or softened state by heating; and (2) processes and/or apparatus for treating stock or articles made

Subclass 386: Planar waveguides
Subclass 395: Sol-gel or liquid phase route utilized
Subclass 398: Germanium or boron containing
Subclass 440: Sol-gel route or ion exchange utilized
Subclass 17.2: Sol-gel or liquid phase route utilized