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Private Listing: Number 4789 Private  

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Patent Summary

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

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 110: Nonlinear impedance element in loop path
Subclass 207A: Class D
Subclass 251: Including Class D amplifier
Subclass 258: Having common mode rejection circuit
Subclass 260: Having signal feedback means
Subclass 282: Having feedback means acting as variable impedance
Subclass 308: Including atomic particle or radiant energy impinging on a semiconductor
Subclass 311: Having different configurations
Subclass 59: HAVING LIGHT-CONTROLLED OR ACTIVATED DEVICE (I.E., NOT LIGHT SIGNAL)

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 338.1: Infrared responsive
Subclass 200: PHOTOCELLS; CIRCUITS AND APPARATUS
Subclass 559.4: With indication of presence of material or feature
Subclass 214R: Special photocell or electron tube circuits
Subclass 214A: Amplifier type
Subclass 214LA: Light amplifier type
Subclass 214.1: Special photocell
Subclass 214AG: Automatic gain control
Subclass 214C: Compensation
Subclass 214RC: Rate of change
Subclass 227.21: With light chopping or modulation
Subclass 221: Controlled by article, person, or animal
Subclass 231.13: Shaft angle transducers
Subclass 231.14: Incremental shaft readers; i.e., with means to generate increments of angular shaft rotation
Subclass 231.16: Using phase difference of output signals from plural photodetectors
Subclass 231.18: Position indicating shaft encoders with means to generate a unique signal for each specific angular shaft position
Subclass 237G: Gratings (moire fringes)

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 100: SIGNAL CONVERTING, SHAPING, OR GENERATING
Subclass 102: Converting input frequency to output current or voltage
Subclass 122: Doubling
Subclass 134: With slope or duration control
Subclass 165: Regenerating or restoring rectangular (e.g., clock, etc.) or pulse waveform
Subclass 170: Slope control of leading or trailing edge of rectangular (e.g., clock, etc.) or pulse waveform
Subclass 178: Rectangular (e.g., clock, etc.) or pulse waveform amplitude control
Subclass 51: With sensing amplifier
Subclass 514: Light
Subclass 52: Differential amplifier
Subclass 525: Fusible link or intentional destruct circuit
Subclass 553: Adjustable
Subclass 557: Bandpass
Subclass 563: With differential amplifier
Subclass 67: Having feedback
Subclass 72: Input signal compared to reference derived therefrom
Subclass 74: Input signal compared to plural fixed references
Subclass 77: Input signal compared to single fixed reference

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 18: Voltage regulator protective circuits
Subclass 91.5: Including P-N junction (e.g., a diode, a zener diode, or transistor)
Subclass 93.1: With specific current responsive fault sensor

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 135: OPTICAL TRANSCEIVER
Subclass 136: Including compensation
Subclass 15: Stop transmission or reduce power
Subclass 158: Including compensation
Subclass 159: Reducing distortion or dispersion
Subclass 161: Using delay
Subclass 17: Fault detection
Subclass 182: TRANSMITTER
Subclass 186: Intensity modulation
Subclass 189: Pulse modulation
Subclass 191: Pulse time
Subclass 193: Precompensation (e.g., prechirping, predistortion
Subclass 197: For power control
Subclass 202: RECEIVER
Subclass 208: Including postcompensation
Subclass 209: Feedback
Subclass 210: Amplitude
Subclass 211: Intermodulation
Subclass 212: Including optical element (e.g., lens, mirror, etc.)
Subclass 213: Having feedback
Subclass 214: Including optical waveguide
Subclass 24: Receiver
Subclass 25: Determination of communication parameter
Subclass 26: Signal to noise ratio
Subclass 27: Bit error rate

Class 320: Electricity: Battery Or Capacitor Charging Or Discharging

Method or apparatus for controlled or regulated charging, discharging, or combined charging and discharging of one or more voltaic cells, batteries, or capacitors. Charging or electrically rejuvenating (e.g., depolarizing, etc.) a voltaic cell, battery, or electrical capacitor, wherein said charging or rejuvenating is accomplished by controlled addition of electrical energy into the cell, battery, or capacitor. Discharging - a voltaic cell, battery, or electrical capacitor, wherein discharging is accomplished by controlled release of electrical. A cell, battery, or capacitor structurally combined with a generator or electrical converter, whether or not electrical interconnection therebetween is recited.

Subclass 166: CAPACITOR CHARGING OR DISCHARGING

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 503: With contact or metallization configuration to reduce parasitic coupling (e.g., separate ground pads for different parts of integrated circuit)
Subclass 547: With structural means to control parasitic transistor action or leakage current
Subclass E27.036: With component other than field-effect type (EPO)

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 151: Load device irradiating the radiant energy responsive device

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 556: Beam

Class 369: Dynamic Information Storage Or Retrieval

Apparatus for the storage or retrieval of arbitrarily variable information which is retained in a storage medium by variation of a physical characteristic. The information is stored or retrieved by causing or sensing a variation of a physical characteristic of the storage medium by a transducer having relative motion along a continuous path.

Subclass 44.41: Arithmetic operation using plural photodetectors
Subclass 53.27: By detection of storage medium incident radiation
Subclass 120: Having particular radiation sensor
Subclass 124.01: With details of electrical signal processing
Subclass 124.11: Of retrieved signal

Class G9B/7.01:


Class G9B/7.018:


Class G9B/7.111:


Class 341: Coded Data Generation Or Conversion

1) originating or emitting a coded set of discrete signals or 2) translating one code into another code wherein the information signal content remains the same but the formats may differ. For classification herein, at least one of the codes must be a set of pulses or digits and electrical in nature.

Subclass 13: Optical
Subclass 155: Analog to digital conversion
Subclass 159: Parallel type

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 614: POSITION OR DISPLACEMENT

Class 455: Telecommunications

This is the generic class for modulated carrier wave communications not elsewhere classifiable.

Subclass 214: With particular discriminator or detector
Subclass 255: Local oscillator frequency control
Subclass 263: Discriminator or detector

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 317: Automatic baseline or threshold adjustment
Subclass 318: Differential amplifier
Subclass 353: PULSE AMPLITUDE MODULATION
Subclass 376: Phase locked loop

Class 347: Incremental Printing Of Symbolic Information

Processes and apparatus for conveying information by selectively creating on a medium a visibly distinguishable symbol or mark composed of a plurality of portions; created portion by portion as, for example, by pixels or dots. The symbol or mark may be an alphanumeric character or an image.

Subclass 236: Feed back of light for intensity control
Subclass 246: Feedback of light for intensity control

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 38.02: For driving or controlling laser
Subclass 38.07: Controlling current or voltage to laser

Class 379: Telephonic Communications

(1) Systems, processes and instruments for the two-way electrical transmission of intelligible audio information having arbitrary content over a link including an electrical conductor, between spaced apart locations, so as to enable conversation therebetween, and intended for the private use of a listener or a group of listeners. The term "intelligible" used above is intended to include the capability for transmission of speech or the like (e.g., music), rather than restriction to a specified audible signal, such as a bell or buzzer. (2) Switching, signalling or signal transmission peculiar to, or specified as for a telephone or a telephone system, except for multiplex communications as indicated in Lines With Other Classes.

Subclass 55.1: HAVING NEAR FIELD LINK (E.G., CAPACITIVE, INDUCTIVE)
Subclass 56.1: HAVING LIGHT WAVE OR ULTRASONIC LINK FOR SPEECH OR PAGING SIGNAL
Subclass 90.01: TELEPHONE LINE OR SYSTEM COMBINED WITH DIVERSE ELECTRICAL SYSTEM OR SIGNALLING (E.G., COMPOSITE)

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