Digital readout test probe

Details Digital readout test probe Digital readout test probe

1976-01-19

1979-01-02

Strecker, Gerard R.

Electricity: measuring and testing

Plural, automatically sequential tests

324 725, 324158P, G01R 3102, G01R 1916

Patent

active

041329465

ABSTRACT:
A digital readout test probe comprises: a dual in-line pin, clip-on-type connector for connection to a dual in-line pin integrated circuit; a housing containing a single digit decimal readout display; and a converter circuit whose output drives the readout and whose input is coupled with the clip-on connector by means of color coded lead wires. The display and converter circuit are energized from a separate power supply. When the connector is operatively connected with an integrated circuit, signals from selected terminal pins of the integrated circuit are supplied through the lead wires to the converter circuit. The selected terminal pins provide a binary coded decimal signal and the display shows the decimal value of the binary coded decimal signal so that the user of the probe does not have to decode the binary coded decimal signal into decimal form. The clip-type connector comprises a plurality of conductors each of which conducts a signal from a corresponding terminal pin of the integrated circuit. Each lead wire is uniquely color coded according to the significance of the particular binary digit (bit) input of the converter circuit to which one end of it is fixedly connected. The other end of each lead wire terminates in a hollow pin terminal which may be manually engaged with, and disengaged from, any of the conductors of the clip-type connector whereby the test probe may be conveniently programmed for use with any of the large number of available dual in-line pin integrated circuits.

REFERENCES:
patent: 2945204 (1960-07-01), Berger
patent: 3094212 (1963-06-01), Moore et al.
patent: 3268888 (1966-08-01), Priebs
patent: 3577141 (1971-05-01), Quintero
patent: 3728530 (1973-04-01), Alexander
patent: 3750015 (1973-07-01), Sheker et al.
patent: 3831149 (1974-08-01), Job
patent: 3870953 (1975-03-01), Boatman et al.
patent: 3893028 (1975-07-01), Febvre et al.
patent: 3899239 (1975-08-01), Allard

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