Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Nonquantitative
Patent
1983-04-29
1990-05-08
Smith, Jerry
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Nonquantitative
324158T, G01R 3102
Patent
active
049241770
ABSTRACT:
A tester for determining basic electronic and circuit information of solid state components. The tester provides indications in 2- and 3-wire devices of short or open conditions, whether a transistor is NPN or PNP type and whether or not an SCR or triac will latch. Both visual and audible indications are provided and cooperatively provide the indications of component quality.
REFERENCES:
patent: 3689838 (1972-09-01), Thurman, Jr.
Radio and Electron., Penfold, R., "Square Wave Transistor Tester", Aug. 1979, vol. 32, No. 12, pp. 737-740.
Toute Electron., No author, "Controleur de Thyristors", May 1977, No. 421, p. 93.
Radio and Electronics Constructor, Lloyd, F., "Discriminating Continuity Tester", Mar. 1976, vol. 29, No. 8, pp. 504-505.
Radio-Electronics, Frye, J., "Five New Transistor Checkers", Mar. 1958, vol. 29, No. 3, pp. 47-50.
Author unknown, "Comprobator de Transistores Functiona-No Functiona", Revista Espanola De Electronica, vol. 28, No. 325, Dec. 1981, p. 27.
Production Devices, Model 85, Transistor Tester description, Dec. 1970.
Baker Stephen M.
Smith Jerry
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