Warning system

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United States of America Patent

PATENT NO 8760289
APP PUB NO 20110260847A1
SERIAL NO

13130674

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Abstract

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A warning system in which an audio pulse train is continuously emitted from an item of equipment and wherein a person, exposed to the audio pulse train, carries a detector which, in response to detection of the pulse train, emits audio pulses which are detected at the item of equipment.

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Patent Owner(s)

Patent OwnerAddress
SANDVIK MINING AND CONSTRUCTION RSA (PTY) LTD1462 EAST RAND

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Leppanen, Jarmo Uolevi East Rand, ZA 11 65
Oosthuizen, Ockert East Rand, ZA 3 60

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