Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – Instruments and devices for fault testing
Patent
1992-07-06
1994-06-07
Wieder, Kenneth A.
Electricity: measuring and testing
Fault detecting in electric circuits and of electric components
Instruments and devices for fault testing
324508, 324512, 324537, 324133, 324414, 340642, G01R 3102, G01R 3108
Patent
active
053193121
ABSTRACT:
Apparatus for determining which bulb or bulbs in a string of miniature incandescent light bulbs is burned out. The apparatus includes a socket adaptor with wire contacts at the base thereof for making conductive contact with both circuit contacts in the base of a selected bulb socket in the light circuit. Light emitting diodes are located within the adaptor body between each wire contact and a junction connected to one contact of a battery. The other contact of the battery is connected to both contacts of a female receptacle body. The male plug of the light circuit is inserted into the female receptacle of the socket adaptor, thus placing both ends of the string of bulbs in connective communication with one contact of the battery. The diodes are located in the socket adaptor body so that when either diode lights up, the direction in the light circuit of the inoperative bulb is indicated.
REFERENCES:
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patent: 5008626 (1991-04-01), Boyd
patent: 5047721 (1991-09-01), Farley
Brown Glenn W.
Spellman, Jr. Martin J.
Wieder Kenneth A.
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