Apparatus for locating inoperative miniature bulbs in a string o

Details Apparatus for locating inoperative miniature bulbs in a string o Apparatus for locating inoperative miniature bulbs in a string o

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:
patent: 1868689 (1932-07-01), Brander
patent: 3725780 (1973-04-01), Olin
patent: 3760266 (1973-09-01), Ocasio et al.
patent: 4491781 (1985-01-01), McClintic
patent: 4727449 (1988-02-01), Fleck
patent: 4918392 (1990-04-01), Torres
patent: 4943752 (1990-07-01), Todd et al.
patent: 5008626 (1991-04-01), Boyd
patent: 5047721 (1991-09-01), Farley

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