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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 10: Diffraction grating (e.g., Bragg)
Subclass 128: Where the second or further layer is a coating
Subclass 130: Thin film optical waveguide
Subclass 131: Multilayer structure (mixture)
Subclass 140: Attenuator
Subclass 145: Organic
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 19: Stationary waveguides with movable opaque element
Subclass 20: Multiple pole multiple throw
Subclass 21: Double pole multiple throw
Subclass 22: Single pole multiple throw (relay switch)
Subclass 24: Plural (e.g., data bus)
Subclass 27: Particular coupling function
Subclass 31: Input/output coupler
Subclass 33: Lens
Subclass 34: Rod type
Subclass 36: Prism
Subclass 37: Grating
Subclass 38: End fire
Subclass 39: Particular coupling structure
Subclass 43: Tapered coupler
Subclass 45: Y coupler
Subclass 46: Star coupler
Subclass 48: Access couplers, power tappers, or power dividers
Subclass 49: Fiber to thin film devices
Subclass 5: Light intensity dependent (e.g., nonlinear effects)
Subclass 50: Waveguide to waveguide
Subclass 52: With alignment device
Subclass 60: Fiber end held in ferrule
Subclass 72: Fiber end held in ferrule
Subclass 78: Fiber end held in ferrule
Subclass 88: Optical fiber to a nonfiber optical device connector
Subclass 89: Plural fiber/device connections
Subclass 90: Fiber adjustable relative to device
Subclass 92: With housing
Subclass 94: Sealed from environment

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 22: Frequency multiplying (e.g., harmonic generator)
Subclass 23: Producing plural wavelength output
Subclass 24: Scanning
Subclass 26: Modulation
Subclass 27: Polarization
Subclass 29.021: Power
Subclass 32: Frequency
Subclass 36: Heat sink
Subclass 38.01: Having feedback circuitry
Subclass 38.02: For driving or controlling laser
Subclass 38.07: Controlling current or voltage to laser
Subclass 43.01: Semiconductor
Subclass 45.01: Particular confinement layer
Subclass 50.1: Monolithic integrated
Subclass 50.11: With diffraction grating (Bragg reflector)
Subclass 64: Waveguide
Subclass 96: Distributed feedback
Subclass 97: Plural cavities
Subclass 98: Specified cavity component
Subclass 99: Reflector
Subclass 102: Grating
Subclass 108: Specified output coupling device

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 11: Spatial, phase or amplitude modulation
Subclass 12: Copying by holographic means
Subclass 13: Head up display
Subclass 15: Using a hologram as an optical element
Subclass 246: Modulation of polarized light via modulating input signal
Subclass 247: Using reflective or cavity structure
Subclass 248: Semiconductor
Subclass 251: With particular direction of the field in relation to the medium, beam direction or polarization
Subclass 256: With birefringent element
Subclass 257: Pockels cell
Subclass 281: Modulation of polarized light via modulating input signal
Subclass 282: Using layered structure or plural mediums
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 303: Using more than one polarization (e.g., digital)
Subclass 318: By reflection
Subclass 320: Switching
Subclass 321: Having particular chemical composition or structure
Subclass 322: Electro-optic crystal material
Subclass 324: Magneto-optic crystal material
Subclass 337: Correction of deleterious effects
Subclass 337.21: Grating
Subclass 341.1: Optical fiber
Subclass 360: Having metal layer
Subclass 392: Adjustable along optical axis
Subclass 393: With plural transverse movements
Subclass 484: Time invariant electric, magnetic, or electromagnetic field responsive (e.g., electro-optical, magneto-optical)
Subclass 494: By birefringent element
Subclass 495: For beam deflection or splitting
Subclass 496: Prisms
Subclass 497: Using plural elements
Subclass 569: Including particular grating characteristic
Subclass 584: Reflector
Subclass 585: Including metal or conductive layer
Subclass 589: Selective wavelength transmission or reflection
Subclass 627: Reflective
Subclass 629: By partial reflection at beam splitting or combining surface
Subclass 642: LENS
Subclass 663: Telecentric system
Subclass 668: Anamorphic
Subclass 710: Cylindrical
Subclass 796: Single component with multiple elements
Subclass 811: With support
Subclass 813: Lens movable in its plane
Subclass 814: Electromagnetic motive power
Subclass 824: Electromagnetic or piezoelectric drive
Subclass 883: Laminated or layered mirror support
Subclass 884: With selective absorption or transparent overcoating

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 122: Possessing thermal dissipation structure (i.e., heat sink)
Subclass 29: Including integrally formed optical element (e.g., reflective layer, luminescent material, contoured surface, etc.)
Subclass 31: Optical waveguide structure
Subclass 32: Optical grating structure
Subclass 33: Substrate dicing
Subclass 459: Thinning of semiconductor substrate
Subclass 462: Having specified scribe region structure (e.g., alignment mark, plural grooves, etc.)
Subclass 464: With attachment to temporary support or carrier
Subclass 465: Having a perfecting coating
Subclass 508: Doping of semiconductor
Subclass 637: With formation of opening (i.e., viahole) in insulative layer
Subclass 640: Having viahole of tapered shape
Subclass 652: Plural layered electrode or conductor
Subclass 653: At least one layer forms a diffusion barrier
Subclass 656: Having refractory group metal (i.e., titanium (Ti), zirconium (Zr), hafnium (Hf), vanadium (V), niobium (Nb), tantalum (Ta), chromium (Cr), molybdenum (Mo), tungsten (W), or alloy thereof)
Subclass 666: Specified configuration of electrode or contact
Subclass 669: And patterning of conductive layer
Subclass 671: Utilizing multilayered mask

Class 117: Single-Crystal, Oriented-Crystal, And Epitaxy Growth Processes; Non-Coating Apparatus Therefor

Processes consisting of the single or repeated unit operation of forming a single-crystal of any type of material, including inorganic or organic; such processes combined with perfecting operations; and apparatus for conducting non-coating processes of this class.

Subclass 105: Including change in a growth-influencing parameter (e.g., composition, temperature, concentration, flow rate) during growth (e.g., multilayer or junction or superlattice growing)
Subclass 108: Using an energy beam or field, a particle beam or field, or a plasma (e.g., MBE)
Subclass 109: Fully-sealed or vacuum-maintained chamber (e.g., ampoule)

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 437: Gas
Subclass 505: Gap
Subclass 508: For orientation or alignment

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 66.3: End closure
Subclass 66.4: Seal, gasket, or packing
Subclass 66.6: Aperture containing
Subclass 137: Composite web or sheet
Subclass 332: Physical dimension specified
Subclass 391: Silane, silicone or siloxane in coating
Subclass 457: Of metal
Subclass 690: Fluroescent, phosphorescent, or luminescent layer
Subclass 704: Of B, N, P, S, or metal-containing material

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 324: Electricity: Measuring And Testing

This is the residual home for all subject matter, not elsewhere classified, relating to the measuring, testing (or sensing) of electric properties, (e.g., determining ground resistivity, determining frequency of an alternating current, determining kilowatt hour demand), or the measuring, testing or sensing of nonelectric properties by electric means (e.g., determining moisture, a nonelectric property, by measuring conductance with a resistance bridge; determining speed, a nonelectric property by use of an electric tachometer).

Subclass 754: With probe elements
Subclass 760: With temperature control

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 81: With specific housing or contact structure
Subclass 99: With housing or contact structure
Subclass 184: Light responsive structure
Subclass 415: Physical deformation
Subclass 434: With window means
Subclass 448: With particular electrode configuration
Subclass 458: PIN detector, including combinations with non-light responsive active devices
Subclass 459: With particular contact geometry (e.g., ring or grid, or bonding pad arrangement)
Subclass 461: Light responsive pn junction
Subclass 758: Multiple metal levels on semiconductor, separated by insulating layer (e.g., multiple level metallization for integrated circuit)
Subclass 772: Solder composition
Subclass E31.033: Multiple quantum well structure (EPO)
Subclass E31.068: Characterized by two potential or surface barriers (EPO)
Subclass E31.112: For device having potential or surface barrier (EPO)
Subclass E27.128: With at least one potential barrier or surface barrier (EPO)
Subclass E21.026: Characterized by treatment of photoresist layer (EPO)
Subclass E21.088: By direct bonding (EPO)
Subclass E21.109: Using molecular beam technique (EPO)
Subclass E21.126: Group III-V compound on dissimilar Group III-V compound (EPO)
Subclass E21.233: Characterized by their size, orientation, disposition, behavior, shape, in horizontal or vertical plane (EPO)
Subclass E21.255: By chemical means (EPO)
Subclass E21.259: Organic layers, e.g., photoresist (EPO)
Subclass E21.518: Involving application of mechanical vibration, e.g., ultrasonic vibration (EPO)
Subclass E21.582: Characterized by formation and post treatment of conductors, e.g., patterning (EPO)

Class 118: Coating Apparatus

pparatus for applying or obtaining a surface coating on a base and/or apparatus for impregnating base materials and takes all such apparatus not provided for in other classes. The coating obtained may be permanent or transitory. The coating may be supplied solely by extraneous materials, as in a painting or waxing operation, or may be supplied wholly or in part by the base materials as in the formation of an oxide coating on a metal base. The coating may consist of an emulsion, dispersion, solution, admixture or oil which is clearly disclosed as leaving a residual film, layer or continuous deposit on the base.

Subclass 728: Work support
Subclass 729: Moving work support
Subclass 503: Gripper or clamped work type

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 5: Radiation mask
Subclass 321: Optical device

Class 327: Miscellaneous Active Electrical Nonlinear Devices, Circuits, And Systems

This is the residual class for electrical devices, circuits or systems having an output not directly proportional to its input and comprising at least one component which can provide gain or can route electrical current and which device, circuit or system does not form a complete system such as is classified specifically elsewhere or a subcombination of utility only in such elsewhere classified system.

Subclass 108: Current driver
Subclass 515: Elements forming an array

Class 716: Data Processing: Design And Analysis Of Circuit Or Semiconductor Mask

This class provides for electrical data processing apparatus and corresponding methods for the following subject matter: for sketching, designing, and analyzing circuit components; for planning, designing, analyzing, and devising a template used for etching circuit pattern on semiconductor wafers.

Subclass 11: Layout editor (e.g., updating)
Subclass 8: Floorplanning

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 124: Space to space
Subclass 141: Including optical waveguide
Subclass 147: Dispersion compensation
Subclass 156: Including alignment between transmitter and receiver
Subclass 182: TRANSMITTER
Subclass 198: For modulator control
Subclass 79: Wavelength division or frequency division (e.g., Raman, Brillouin, etc.)

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 208.1: Plural photosensitive image detecting element arrays
Subclass 208.2: Plural photosensitive nonimage detecting elements
Subclass 214R: Special photocell or electron tube circuits
Subclass 214.1: Special photocell
Subclass 214AG: Automatic gain control

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 385: Process of manufacturing optical fibers, waveguides, or preforms thereof
Subclass 386: Planar waveguides
Subclass 430: With significant coating step
Subclass 435: With fiber stretching, drawing, or pulling (e.g., from rod, etc.)

Class 228: Metal Fusion Bonding

Method of joining the meeting faces of juxtaposed or engaged metal work parts or of the same part originally in a form-sustaining state, by the direct application of heat and/or mechanical energy to either of: (a) such work parts, to such an extent as to effect a flowing or blending together of some of the metal in neighboring regions of said work parts into a continuous metallic zone interconnecting said work parts, or (b) such work parts and a metallic filler, to such an extent as to effect a flowing or blending together of the filler and some of the metal of said work portions into a continuous metallic zone interconnecting said work portions with filler and thus with each other.

Subclass 103: With measuring, testing, indicating, inspecting, or illuminating
Subclass 111.5: Soldering or liquid phase bonding
Subclass 180.22: Lead-less (or bumped) device
Subclass 212: With clamping or holding
Subclass 223: Applying flux
Subclass 262.3: Nickel or cobalt member
Subclass 44.7: Work portion comprises electrical component
Subclass 49.5: Work portion comprises electrical component

Class 269: Work Holders

A device which, during a work treating operation, contacts a workpiece for the purpose of (a) supporting the work against the force of gravity; or (b) preventing movement of the work in a particular direction or in all directions while, as disclosed, such work is supported against the force of gravity; or (c) providing a surface juxtaposed to the work for constraining the motion of a tool during its performance of such work treating operation. Holding articles together so that (by disclosure) a glue, cement or adhesive may set and secure said articles together is considered to be a work holding operation for this class. Thus a clamp or vise, disclosed for use by cabinet makers, carpenters, woodworkers, etc., to hold plural pieces together while an adhesive sets, is properly classifiable in this class.

Subclass 21: Vacuum-type holding means
Subclass 58: Including means to shift holder position

Class 29: Metal Working

Metal working or shaping - it comprises processes, tools, machines, and apparatus not classifiable in the specific classes relating to the manufacture of articles from metal. It has been made the generic class for the following regardless of the composition of the blank, stock material, or article recited or worked upon: (a) process of electric condenser making; (b) a burnishing process; (c) a process of manufacture; (d) apparatus used to assemble or disassemble.

Subclass 600: Antenna or wave energy plumbing making
Subclass 622: Switch making
Subclass 832: Assembling to base an electrical component, e.g., capacitor, etc.
Subclass 840: By metal fusion
Subclass 874: Contact or terminal manufacturing
Subclass 877: With bonding
Subclass 458: With coating before or during assembling
Subclass 740: Chip component
Subclass 743: Means to apply vacuum directly to position or hold work part
Subclass 281.1: With work-holder for assembly

Class 703: Data Processing:Structural Design, Modeling, Simulation, And Emulation

This class provides for electrical data processing apparatus and corresponding methods for the following processes or apparatus: 1. for sketching or outlining of layout of a physical object or part. 2. for representing a physical process or system by mathematical expression. 3. for modeling a physical system which includes devices for performing arithmetic and some limited logic operation upon an electrical signal, such as current or voltage, which is a continuously varying representation of physical quantity. 4. for modeling to reproduce a nonelectrical device or system to predict its performance or to obtain a desired performance. 5. for modeling and reproducing an electronic device or electrical system to predict its performance or to obtain a desired performance. 6. that allows the data processing system to interpret and execute programs written for another kind of data processing system.

Subclass 4: Of electrical device or system

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 60: By optical means or of an optical property
Subclass 85: By optical means or of an optical property

Class 279: Chucks Or Sockets

A chuck or a socket, per se, that is not elsewhere classified, and which includes a means for making a permanent or temporary and readily-releasable connection between a holder and an object, such as a tool, work-piece, or rod-like body, where the gripping means or seat is on or within the holder or base member.

Subclass 156: Tool or work stop or locator
Subclass 3: VACUUM

Class 294: Handling: Hand And Hoist-Line Implements

Devices combined with handles, terminal elements, or attachments peculiarly adapted for engaging supporting articles or materials for handling or manipulating purposes.

Subclass 64.1: VACUUM

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 192.23: Silicon containing
Subclass 192.26: Optical or photoactive

Class 156: Adhesive Bonding And Miscellaneous Chemical Manufacture

This is the generic class for: Manufacturing processes and apparatus; manufacture of articles of commerce in which one of the manufacturing steps includes a chemical reaction; manufacture of panels from settable inorganic compositions; manufacture of electrical conductors of indefinite length.

Subclass 247: With stripping of adhered lamina
Subclass 275.5: To polymerize or cure material in work
Subclass 305: By applying after assembly an adhesive, solvent or chemical activating agent
Subclass 345.17: Liquid etchant spray means
Subclass 91: With separate permanent mechanical joining means (riveted, sewed, stapled, etc.)

Class 427: Coating Processes

This is the generic class for: A. applying or obtaining a coating on a surface. The coating may be hard or soft, permanent or transitory, supplied solely by extraneous materials or supplied wholly or in part by the base material. B. impregnating a base by causing a coating material to extend or penetrate into the base material, or into the interstices of a porous, cellular or foraminous material. C. taking preparatory treatments of the base material, subsequent treatments of the coated base material and other ancillary noncoating operations claimed, per se, processes limited to etching for making a base more compatible with, or adherent to, the coating wherein the base is the substrate (work) onto which a coating is applied are included.

Subclass 163.2: Optical fiber, rod, filament, or waveguide
Subclass 250: Metal coating
Subclass 255.7: Plural coatings applied by vapor, gas, or smoke
Subclass 282: Mask or stencil utilized
Subclass 405: Metal base
Subclass 516: Coating is adhesive or is intended to be made adhesive (e.g., release sheet or coating, etc.)
Subclass 559: Fusing, curing, or annealing (e.g., ceramics, etc.)

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 93: Redundancy (e.g., plural control elements or electrodes)

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 246: Defective pixel (e.g., signal replacement)
Subclass E3.021: For disturbance correction or prevention within the image-sensor, e.g., biasing, blooming, smearing (EPO)
Subclass E5.081: Correction or equalization of amplitude response, e.g., dark current, blemishes, non-uniformity (EPO)

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 309: Electrostatic

Class 977: Nanotechnology

This art collection provides for disclosures related to: nanostructure and chemical compositions of nanostructure; device that include at least one nanostructure; mathematical algorithms, e.g., computer software, etc., specifically adapted for modeling configurations or properties of nanostructure; methods or apparatus for making, detecting, analyzing, or treating nanostructure; and specified particular uses of nanostructure. the term "nanostructure" is defined to mean an atomic, molecular, or macromolecular structure that: has at least one physical dimension of approximately 1-100 nanometers; and possesses a special property, provides a special function, or produces a special effect that is uniquely attributable to the structure s nanoscale physical size.

Subclass 872: Positioner

Class 700: Data Processing: Generic Control Systems Or Specific Applications

This class is structured into two main divisions: (1)for the combination of a data processing or calculating computer apparatus (or corresponding methods for performing data processing or calculating operations) AND a device or apparatus controlled thereby, the entirety hereinafter referred to as a "control system". (2)for data processing or calculating computer apparatus (or corresponding methods for performing data processing or calculating operations) wherein the data processing or calculating computer apparatus is designed for or utilized in a particular art device, system, process, or environment, or is utilized for the solution of a particular problem in a field other than mathematics (arithmetic processing per se is classified elsewhere).

Subclass 213: Article handling
Subclass 266: Chemical process control or monitoring system
Subclass 267: Titration or pH level
Subclass 268: Synthesis process
Subclass 96: Integrated system (Computer Integrated Manufacturing (CIM)

Class 330: Amplifiers

This is the generic class for amplifiers, included: Amplifiers having all types of active elements (or amplifying devices), amplifier systems having plural amplifier channels, cascade amplifiers, push-pull amplifiers and other amplifiers having plural amplifier devices. Also included are amplifiers with plural signal sources or plural loads. Amplifiers including the means coupling the signal source to the amplifier or coupling the amplifier to the load or between cascaded stages are also included. Amplifiers combined with tone control means. Amplifiers combined with amplitude (volume) control means whether by manual control, by control of an electrode D.C. bias. Amplifiers combined with power supply. Amplifiers combined with structural features of the amplifier or the amplifier circuit elements. Amplifiers having signal feedback means.

Subclass 260: Having signal feedback means
Subclass 271: Having signal feedback means
Subclass 293: Having negative feedback
Subclass 299: Including combined diverse-type semiconductor device

Class 134: Cleaning And Liquid Contact With Solids

Cleaning, i.e., the separation or removal of adherent dirt, scale, tarnish, impurities or any other foreign or undesired matter from solid materials or objects whether or not the resultant separated ingredients are recovered in whole or in part for subsequent use. Cleaning may be performed by, or may involve as a part thereof, contacting solids with liquids. The contacting of solids with liquids may be for purposes other than cleaning.

Subclass 1.3: Semiconductor cleaning
Subclass 2: For metallic, siliceous, or calcareous basework, including chemical bleaching, oxidation or reduction

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 737: IC card or card member
Subclass 790: Stacked

Class 73: Measuring And Testing

Processes and apparatus for making a measurement of any kind or for making a test of any kind, and takes all such subject matter not provided for in other classes. The term "test" includes inspection, processes and apparatus for determining qualities by inspection being included where not provided for in other classes. This class is the generic class for sampling and takes all sampling apparatus and processes not otherwise provided.

Subclass 49.2: Receptacle
Subclass 49.3: Sealed
Subclass 514.29: Having a vibrating element

Class 219: Electric Heating

This class includes all those devices commonly known as electric heaters, electric-heating metal working apparatus, electrically-heated tools and instruments. This is the generic class for electric heating devices, per se. Devices and systems equipped with electric heating means in which the electric heating means is combined with or includes specific other art structure whereby the heated material is withdrawn, stored or otherwise utilized will also be classified in the appropriate other art class to which it pertains.

Subclass 209: Electrical devices
Subclass 210: Crystal or other vibratory device
Subclass 520: With heater-unit housing, casing, or support means (e.g., frame and single sheet)
Subclass 521: Including or comprising holding or support means for material to be heated
Subclass 530: With heat storage or transfer means (vanes)
Subclass 531: With thermal insulation or cooling means

Class 242: Winding, Tensioning, Or Guiding

A process or apparatus for progressively winding elongated flexible material more than 360 about an axis of a take-up of restricted length, as in: Unwinding and rewinding an information-bearing carrier associated with a nominal work station such as that found in a magnetic recorder/player, film projector, or camera; Forming an indefinite length of running material in loops to form a bundle of coils solely by wrapping or winding the material about a form; Unidirectional winding and unwinding; Reeling; Winding by use of machine or implement. A storage coil formed exclusively by such a winding process or apparatus. A process or apparatus limited to unwinding material from a storage coil. A process or apparatus for tensioning. A process or apparatus for guiding; or a subcombination peculiar to winding, unwinding, tensioning, or guiding, such as a spool, spindle, mandrel, or dispenser.

Subclass 400.1: Hand wrapped
Subclass 402: With material segment retainer
Subclass 406: With special base or mounting member (e.g., attachment socket or stake)
Subclass 597.5: Particular spindle formation

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