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Patent Summary

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

Class 365: Static Information Storage And Retrieval

Apparatus or corresponding processes for the static storage and retrieval of information. For classification herein, the storage system must be (1) static, (2) a singular storage element or plural elements of the same type, (3) addressable.

Subclass 185.2: Reference signal (e.g., dummy cell)
Subclass 185.21: Sensing circuitry (e.g., current mirror)
Subclass 203: Precharge
Subclass 205: Flip-flop used for sensing
Subclass 206: Noise suppression
Subclass 207: Differential sensing

Class 331: Oscillators

This is the generic class for electrical oscillators.

Subclass 17: Particular error voltage control (e.g., intergrating network)
Subclass 34: Particular frequency control means

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 238: Light wave temporal modulation (e.g., frequency, amplitude, etc.)
Subclass 328: Harmonic generator
Subclass 329: Third harmonic
Subclass 708: Including a nonspherical surface
Subclass 709: Conical
Subclass 714: Having five components
Subclass 718: Having one component
Subclass 728: With aspheric surface (e.g., Schmidt lens, etc.)

Class 708: Electrical Computers: Arithmetic Processing And Calculating

This is the generic class for electrical apparatus and corresponding methods for performing calculation operations. There are three main divisions: 1. electrical hybrid calculating computers; 2. electrical digital calculating computers; 3. electrical analog calculating computers.

Subclass 550: Compensation for finite word length
Subclass 606: Evaluation of powers

Class 174: Electricity: Conductors And Insulators

This class is for inventions relating to the structure of electrical conductors and insulators and insulators and the apparatus specialized to mounting, supporting, encasing in conduits, and/or housing the same. Conductors may be bare or be encased in insulation, may be single strand or plural strand, may be of single conductor form or there may be a plurality of conductors associated together to form a cable. Since all materials that have the property of being conductors of electricity and all devices made therefrom may be termed electrical conductors, only those structures that are specially designed to conduct electricity as their proximate purpose are placed in this class. Insulators are placed here when the structure thereof is claimed, which structure is specially designed for spacing two or more devices of different electrical potential from each other or for spacing one or more devices from ground. Since all materials which are poor conductors of electricity and devices made therefrom may be termed electrical insulators, only those structures whose proximate purpose is that already stated. Conduits are placed in this class only when some characteristic is claimed which limits the same to the electrical use.

Subclass 255: With particular substrate or support structure
Subclass 256: With particular material
Subclass 260: With electrical device

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 262.6: Copper or noble metal member

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 737: Bump leads
Subclass 738: Ball shaped
Subclass 788: With specified encapsulant
Subclass 789: With specified filler material
Subclass E23.021: Bump or ball contacts (EPO)
Subclass E23.101: Selection of materials, or shaping, to facilitate cooling or heating, e.g., heat sinks (EPO)
Subclass E23.194: Protection against mechanical damage (EPO)
Subclass E21.511: Mounting on insulating member provided with metallic leads, e.g., flip-chip mounting, conductive die mounting (EPO)

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 830: Assembling bases

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 760: Connection of components to board
Subclass 765: By direct coating of components on board
Subclass 807: Component mounting or support means
Subclass 809: With discrete structure or support

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 17: Programmable integrated circuit (e.g., basic cell, standard cell, macrocell)
Subclass 4: Testing or evaluating
Subclass 5: Design verification (e.g., wiring line capacitance, fan-out checking, minimum path width)
Subclass 6: Timing analysis (e.g., delay time, path delay, latch timing)

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.


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 115: Frequency division
Subclass 160: With counter
Subclass 273: With counter

Class 711: Electrical Computers And Digital Processing Systems: Memory

This class provides, within an electrical computer or digital data processing system, for the following processes and apparatus 1. for addressing memory wherein the processes and apparatus involve significant address manipulating (e.g., combining, translating, or mapping and other techniques for formatting and modifying address data) and are combined with specific memory configurations or memory systems; 2. for accessing and controlling memory (e.g., transferring and modifying address data, selecting storage devices, scheduling access); and 3. for forming memory addresses (e.g., virtual memory addressing, address translating, translation-lookaside buffers (TLBs), boundary checking, and page mode).

Subclass 103: Programmable read only memory (PROM, EEPROM, etc.)
Subclass 163: Access limiting

Class 377: Electrical Pulse Counters, Pulse Dividers, Or Shift Registers: Circuits And Systems

This is the generic class for circuits or devices for making a count of electrical pulses; for circuits or devices for producing output pulses which are a fraction of the number of input. Also included are pulse multipliers which make use of pulse dividing circuits.

Subclass 48: Multiplication or division by a fraction

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.

Subclass 718: Memory testing
Subclass 724: Digital logic testing
Subclass 738: Including test pattern generator
Subclass 741: Simulation
Subclass 744: Clock or synchronization
Subclass 745: Determination of marginal operation limits

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 14: Circuit simulation
Subclass 17: Event-driven