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LED Audio Tester Disclosure Number: IPCOM000055777D
Original Publication Date: 1980-Sep-01
Included in the Prior Art Database: 2005-Feb-13

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Shafirovitch, A [+details]


An audio-indicating LED (light-emitting diode) tester circuit for use by unsighted persons is described. The tester determines the operation of individual LEDs in an array under test by producing selected audio signals indicative of the operability of the LEDs being tested.