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Field Disturbance Sensor Auto Level Control Disclosure Number: IPCOM000052615D
Original Publication Date: 1981-Jun-01
Included in the Prior Art Database: 2005-Feb-11

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Powell, KE [+details]


This sensor retains the advantages of that described in [*] and functio better in unstable ambient light conditions due to the inclusion of an additional light sensitive device arranged for adjusting the circuit to the ambient light.