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Patent Summary

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

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 51: Stereoscopic display device
Subclass 58: Separation by polarization
Subclass 94: Position detection
Subclass 196: Color TV
Subclass 208.1: Electrical motion detection
Subclass 208.4: Motion correction
Subclass 208.13: Motion correction plus resolution enhancement
Subclass 223.1: Color balance (e.g., white balance)
Subclass 447: Field rate type flicker compensating
Subclass 448: Line doublers type (e.g., interlace to progressive IDTV type)
Subclass 551: Of mechanical scan
Subclass 607: Noise or undesired signal reduction
Subclass 701: Specified processing of frame or field difference signal (e.g., noise reduction, key signal spreading)
Subclass 742: Color sequential
Subclass 744: Projection device
Subclass 751: Liquid crystal
Subclass 756: With optical element
Subclass 761: Liquid crystal
Subclass 766: Liquid crystal
Subclass 792: Scanning circuit
Subclass 797: Gas discharge
Subclass 805: Cathode-ray tube
Subclass E13.007: Using spatial multiplexing, i.e., simultaneously capturing several geometrical viewpoints on different parts of the image pickup sensor (EPO)
Subclass E13.038: With polarization multiplexing, i.e., simultaneously displaying left and right images separated using glasses with different polarizing characteristics (EPO)
Subclass E9.012: Picture reproducers (EPO)
Subclass E9.027: Using light modulating optical valves (EPO)
Subclass E9.051: Color balance circuits, e.g., white balance circuits, color temperature control (EPO)
Subclass E7.08: Camera and display on the same optical axis, e.g., optically multiplexing the camera and display for eye to eye contact (EPO)
Subclass E3.033: By deflecting electron beam in cathode-ray tube (EPO)
Subclass E3.049: Circuits special to multi-standard receivers (EPO)
Subclass E5.066: Movement estimation (EPO)
Subclass E5.076: For compensating for attenuation of high frequency components, e.g., crispening, aperture distortion correction (EPO)
Subclass E5.077: Circuitry for suppressing or minimizing disturbance, e.g., moire, halo (EPO)
Subclass E5.096: Receiver circuitry (EPO)
Subclass E5.11: For flicker reduction (EPO)
Subclass E5.135: Circuit details for electroluminescent devices (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 106: Color filter
Subclass 113: Reflector
Subclass 115: Cholesteric reflector
Subclass 116: Photoconductive element (i.e., not used for exciting)
Subclass 117: Compensator or retarder (i.e., not using liquid crystal cell)
Subclass 119: Multiple compensators
Subclass 120: Including at least one with negative intrinsic birefringence
Subclass 15: Stereoscopic
Subclass 194: Passive liquid crystal polarizer
Subclass 28: With silicon photodiode, N-I-N photoconductor structure, or P-I-P photoconductor structure
Subclass 61: Particular illumination
Subclass 64: Diffuser between light source and liquid crystal
Subclass 65: Edge lit type light guide behind liquid crystal
Subclass 98: Circular

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 465: Using polarized light

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 770: Liquid crystal device test

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 100: Particular row or column control (e.g., shift register)
Subclass 101: Data signal compensation in response to temperature
Subclass 102: Backlight control
Subclass 3.2: Frame, field or scan rate conversion
Subclass 41: Fluid light-emitting display elements (e.g., gas, plasma)
Subclass 46: Light-emitting diodes
Subclass 473: Animation
Subclass 55: Display elements arranged in matrix (e.g., rows and columns)
Subclass 581: Attributes (surface detail or characteristic, display attributes)
Subclass 589: Color or intensity
Subclass 60: Fluid light emitter (e.g., gas, liquid, or plasma)
Subclass 600: Color bit data modification or conversion
Subclass 605: Change in number of bits for a designated color (e.g., 4 bits to 8 bits, 8 bits to 4 bits)
Subclass 606: Interpolation of attribute values across object surface
Subclass 607: In perspective
Subclass 608: Tri-linear
Subclass 609: Bi-linear
Subclass 62: Specified plasma coupling path
Subclass 63: Intensity control
Subclass 630: Combining model representations
Subclass 66: Particular discharge path
Subclass 67: More than two electrodes per element
Subclass 68: Means for combining selective and sustain signals
Subclass 690: Intensity or color driving control (e.g., gray scale)
Subclass 691: Temporal processing (e.g., pulse width variation over time
Subclass 693: Non-binary weighted
Subclass 72: Color
Subclass 76: Electroluminescent
Subclass 77: Brightness or intensity control
Subclass 82: Solid body light emitter (e.g., LED)
Subclass 87: Liquid crystal display elements (LCD)
Subclass 88: Color
Subclass 89: Gray scale capability (e.g., halftone)
Subclass 93: Redundancy (e.g., plural control elements or electrodes)
Subclass 98: Specific display element control means (e.g., latches, memories, logic)

Class 714: Error Detection/Correction And Fault Detection/Recovery

This class provides for process or apparatus for detecting and correcting errors in electrical pulse or pulse coded data; it also provides for process or apparatus for detecting and recovering from faults in electrical computers and digital data processing systems, as well as logic level based systems.

Class 362: Illumination

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

Subclass 223: With or including transparent or translucent member
Subclass 26: Edge illuminated modifier or light rod/pipe
Subclass 27: Plural light sources
Subclass 307: With or including translucent or transparent modifier
Subclass 559: Illuminating or display apparatus (e.g., sign, runway light, channel marker)
Subclass 603: Front light
Subclass 615: Light guide
Subclass 617: Emission face

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
Subclass 169.3: Electroluminescent device
Subclass 169.4: Gas display panel device
Subclass 219: Periodic switch in the primary circuit of the supply transformer
Subclass 224: Impedance or current regulator in the supply circuit
Subclass 307: Automatic regulation

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 485: Phosphor on envelope wall
Subclass 486: Including particular phosphor
Subclass 487: Plural
Subclass 491: Electrode structure or material
Subclass 112: Polarizer or special ray transmission (e.g., filter)
Subclass 567: WITH GAS OR VAPOR
Subclass 576: With rare gas
Subclass 581: Three or more electrode discharge device
Subclass 582: Multiple gaseous discharge display panel
Subclass 584: Having intersecting electrode sets
Subclass 585: With three sets of electrodes
Subclass 586: With dielectric member
Subclass 587: And additional layer on member
Subclass 592: With control electrode

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 1.62: Inorganic substrate layer (e.g., ceramic, metallic, glass, etc.)

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 29: Using specified post-imaging process composition
Subclass 314: Etching of substrate and material deposition

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 17: Forming or treating of groove or through hole

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 277: Solid treating member contacts coating
Subclass 286: Striping (i.e., forming stripes)
Subclass 305: Nickel, copper, cobalt, or chromium coating
Subclass 306: Organic base
Subclass 356: Die, blade, or sharp-edged tool
Subclass 438: Nickel coating
Subclass 443.1: Chemical compound reducing agent utilized (i.e., electroless deposition)
Subclass 558: Ultraviolet light
Subclass 595: Electromagnetic or particulate radiation utilized (e.g., IR, UV, X-ray, gamma ray, actinic, microwave, radio wave, atomic particle; i.e., alpha ray, beta ray, electron, etc.)
Subclass 98.8: Etching or roughening

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.


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 91.1: Overvoltage

Class 451: Abrading

The term "abrading" (grinding) may include a polishing device that acts by removal of an integral portion of the material acted upon, but not such as depends upon the application of a coating capable of taking a polish by friction or upon a compression, consolidation, or swaging of the material. Every invention relating to abrading must have to do either with an abrading element; a tool consisting of an abrading element or material and a holder by which it may be put to use; a machine embodying an abrading material or tool and means for moving it or the work, or an action equivalent to that of a tool; a holder for the work; a method or process of abrading; an attachment or accessory to a tool, machine, or process; or a plurality of these features. Note: A cutting device and an abrasive tool distinguished solely by the abrasive material or composition will be found elsewhere.

Subclass 29: Utilizing shield (mask or stencil)
Subclass 38: By blasting
Subclass 78: Electrical 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 31: Input/output coupler

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 301.4F: Group IV element containing

Class 358: Facsimile And Static Presentation Processing

Communication or reproduction of a static image or sequence of static images in which the local light, or density variations composing the image do not vary with time by a method or apparatus involving at least one of the following steps: (1) scanning a static image to capture an image-containing area by resolving it into an area; (2) communication of an image-representative signal or image-representative data over any supporting communication network; or (3) reproduction of an image-containing area in response to an image-representative signal or image-representative image data by reproducing a corresponding image area which at least one of the two dimensions is elemental, simultaneously or in a sequence. In this class, a facsimile system or method is a system or method for the communication or reproduction of an arbitrarily composed image in which the local light, or density variations composing the image do not vary with time, such as documents maps, charts, photographs, etc., but not motion picture film or video.

Subclass 509: Illumination

Class 382: Image Analysis

This is the generic class for apparatus and corresponding methods for the automated analysis of an image or recognition of a pattern. Included herein are systems that transform an image for the purpose of (a) enhancing its visual quality prior to recognition, (b) locating and registering the image relative to a sensor or stored prototype, or reducing the amount of image data by discarding irrelevant data, and (c) measuring significant characteristics of the image.

Subclass 149: Fault or defect detection
Subclass 154: 3-D or stereo imaging analysis
Subclass 260: Image filter
Subclass 264: Lowpass filter (i.e., for blurring or smoothing)
Subclass 274: Intensity, brightness, contrast, or shading correction
Subclass 282: Selecting a portion of an image
Subclass 289: Determining amount an image is rotated or skewed
Subclass 299: Raising or lowering the image resolution (e.g., subpixel accuracy)

Class 340: Communications: Electrical

Communications - the handling of information or intelligence, restricted to the conveying of said information or intelligence between geographically spaced points. Information or intelligence is defined as being, matter which is handled by signaling systems or signaling devices (such as telegraph systems) or by that portion of nonsignaling systems or nonsignaling devices (such as power supply systems) which is designated in the arts as having a control function (such as the supervisory circuits which control the circuit breakers of an electric power network). Handling, as used above, is defined as being the active coaction between the tangible communication system or device and the intangible information or intelligence, and such coaction may assume various forms, such as transmission, storage, exhibiting, etc.

Subclass 815.65: Multiple colors

Class 40: Card, Picture, Or Sign Exhibiting

Means for displaying information by printed or painted cards, calendars, photographic transparency viewers, railroad train station indicators, pictures, labels or tags or index files. Picture frames and stands for supporting pictures are also included. Albums are included in subclasses Changing exhibitors, Hinged leaves; Changing exhibitors, Pivoted plates, and in Picture frames, Mats, Mounts and backs, Pocketed. Such station-indicators as change the reading matter displayed are included under the several subclasses of Changing exhibitors.

Subclass 444: Colored lights
Subclass 448: Liquid crystal

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 240.12: Predictive
Subclass 240.16: Motion vector