Explosion-proof multi-status multi-color visual indicator
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United States of America Patent
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Issued Date -
Mar 9, 2006
app pub date -
Sep 9, 2004
filing date -
Sep 9, 2004
priority date (Note) -
Abandoned
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Abstract
An explosion-proof industrial signaling device. The explosion-proof industrial signaling device having an explosion-proof housing and a single module with the capability of emitting different colored lights to indicate the operating condition of a machine. The emitted light can be steady or flashing, and controlled by an external PLC or an onboard microprocessor. The PLC or microprocessor interprets incoming information and causes the color of the light or its flashing pattern to change accordingly. The light source maybe an LED.
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