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Patent for Sale:

Private Listing: Number 6281 Private  

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Overview

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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 289: Including temperature compensation means
Subclass 295: Including plural amplifier channels

Class 323: Electricity: Power Supply Or Regulation Systems

This is the generic class for electrical systems wherein a single electrical source is coupled to a single electrical load circuit and means are provided which control the magnitude or level of the current or voltage of either or both of said circuits and/or the phase angle between the current or voltage of either or both of said circuits. This is also the generic class for transformer systems and impedance systems.

Subclass 222: Using choke and switch across source
Subclass 223: Using a three or more terminal semiconductive device
Subclass 901: STARTING CIRCUITS
Subclass 908: INRUSH CURRENT LIMITERS

Class 33: Geometrical Instruments

Means for determining the characteristics and the mutual relation of points, lines, angles, surfaces, and solids, considered as having no properties but those arising from extension and difference of situation. It includes mechanically guided means for describing lines.

Subclass 1M: X-Y motion
Subclass 568: Work support adjustment

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 48: TEST OR CALIBRATION STRUCTURE
Subclass 678: HOUSING OR PACKAGE
Subclass 684: With semiconductor element forming part (e.g., base, of housing)
Subclass 730: Outside periphery of package having specified shape or configuration
Subclass 797: ALIGNMENT MARKS
Subclass 798: MISCELLANEOUS
Subclass E23.179: Marks applied to semiconductor devices or parts, e.g., registration marks, test patterns, alignment structures, wafer maps (EPO)

Class 439: Electrical Connectors

This is the generic class for a pair of mated conductors comprising at least two electrically conducting elements which are interconnected to permit relative motion of such conducting elements during use without a break in electrical conductivity therebetween. Also, this is the generic class for a device constituting an electricity conducting contact between conductors of electricity; wherein the joint is of a type which may be readily made and broken, repeatedly by attachment and detachment of contact supporting structure on each conductor.

Subclass 70: Dual inline package (DIP)
Subclass 71: Leadless
Subclass 81: Resilient contact or to receive resilient contact
Subclass 83: Contact soldered to panel circuit
Subclass 857: Allochiral cantilevered clamping fingers