Monitoring apparatus

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United States of America Patent

PATENT NO 4319147
SERIAL NO

06112831

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Monitoring apparatus for producing an output in response to a predetermined condition comprising bistable means (4) having a set input, a reset input and an output; trigger means (2, 6) for applying a first train of pulses (.phi..sub.1) to one of the inputs of the bistable means and for applying a second train of pulses of the same frequency as and different phase to the first train of pulses to the other input of the bistable means in response to a predetermined condition: and an output device (8) responsive to oscillation of the bistable means between its stable states.

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Patent Owner(s)

  • SIEMENS PLESSEY CONTROLS LIMITED

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Carpenter, James E Orpington, GB2 4 43
Goody, Brian A Carshalton, GB2 2 13

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