Binary coded decimal resistive load and network
AssigneeEaton Corporation
InventorsBhuvan Govindasamy, Habib Baydoun, Brian Pham
Life of this patent
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Abstract
An embodiment of an apparatus for providing a variable resistance may be configured to provide a resistance value according to a binary-coded decimal scheme. The apparatus may be referred to herein as a BCD variable resistance apparatus. The BCD variable resistance apparatus may include a plurality of resistive elements and a plurality of switches. In an embodiment, the resistive elements may be coupled with respective switches in a binary-coded decimal scheme.
Claims20
An apparatus configured to provide a variable resistance, comprising:
- a plurality of resistive elements, each resistive element having a respective resistance;
- and
- a plurality of switches, each of the switches coupled to a respective one of the plurality of resistive elements, each of the switches configured to selectively include the respective one of the resistive elements in said variable resistance;
- wherein the resistive elements and the switches are arranged in a binary-coded decimal scheme, wherein the plurality of resistors are arranged in a plurality of resistor groups, wherein each resistor group comprises four resistors having respective resistances of about 1×10X, about 2×10X, about 4×10X, and about 8×10X, where X is an integer.
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A method comprising:
- providing an apparatus comprising:
- a plurality of resistive elements, each resistive element having a respective resistance;
- and
- a plurality of switches, each of the switches coupled to a respective one of the plurality of resistive elements, each of the switches configured selectively include the respective one of the resistive elements in the variable resistance;
- wherein the resistive elements and the switches are arranged in a binary-coded decimal scheme, wherein the plurality of resistors are arranged in a plurality of resistor groups, wherein each resistor group comprises four resistors having respective resistances of about 1×10X, about 2×10X, about 4×10X, and about 8×10X, where X is an integer;
- and
- automatically actuating the switches to provide a predetermined sequence of resistances.
An apparatus configured to provide a variable resistance, comprising:
- a plurality of switched resistive elements, each resistive element having a respective resistance, the resistive elements grouped to provide a variable resistance according to a binary-coded decimal value, wherein the plurality of resistors are arranged in a plurality of resistor groups, wherein each resistor group comprises four resistors having respective resistances of about 1×10X, about 2×10X, about 4×10X, and about 8×10X, where X is an integer;
- wherein the resistive elements are configured for automatic switching to selectively contribute to the variable resistance.
Dependencies are inferred from the claim text.