Voltage divider

Details Voltage divider Voltage divider

1983-06-27

1984-10-02

Mayewsky, Volodymyr Y.

Electrical resistors

Mechanically variable

Resistance value varied by removing or adding material

338 49, 338295, 338324, 338325, 338328, 338330, 338333, 219541, H01C 1000

Patent

active

044750994

ABSTRACT:
An apparatus relating to a voltage divider having one or more Kelvin connection taps, including first and second spaced terminals and a current carrying resistor between the first and second terminals. A third terminal is spaced from the resistor and the resistor has at least one conductive but non-current-carrying peninsula extending from a junction on the side of the resistor and connecting with the third terminal to produce a Kelvin connection tap. A cut is made only in the non-current-carrying peninsula along the path having a component parallel to the side of the resistor from which the peninsula extends and shading the junction of said peninsula and the side from the third terminal, to adjust the interconnection of the third terminal with the resistor and vary the voltage output without varying the resistance of the resistor. An extension of this cut may be made parallel to the edge of the peninsula to further increase the adjustment.

REFERENCES:
patent: 3252091 (1966-05-01), Morgan
patent: 3668600 (1972-06-01), Schuberth et al.
patent: 3680013 (1972-07-01), Pye
patent: 4041440 (1977-08-01), Davis et al.
patent: 4196411 (1980-04-01), Kaufman
patent: 4201970 (1980-05-01), Onyshkevych
patent: 4215333 (1980-07-01), Huang
patent: 4219797 (1980-08-01), Huang
patent: 4272739 (1981-06-01), Nesses
patent: 4331949 (1982-05-01), Kagawa
patent: 4429298 (1984-01-01), Oberholzer
R. L. Brown, "Cermet Resistor Trimming", IBM, Technical Disclosure Bulletin, vol. 22, No. 3, p. 956, Aug. 1979.

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