Audible relay emulator

Details Audible relay emulator Audible relay emulator

2006-10-10

2006-10-10

Nguyen, Phung T. (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S692000, C370S244000

Reexamination Certificate

active

07119702

ABSTRACT:
A device to audibly verify the activation of a solid state relay. The device includes an audio output device that is coupled to the solid state relay to produce a sound when the solid state relay is activated. The sound produced by the audio output devices emulates the sound of an electromechanical relay when switched.

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patent: 6477288 (2002-11-01), Sato
patent: 6859539 (2005-02-01), Maeda

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