Title: Fail safe powder temperature sensor for tank fire control system

Abstract: A tank temperature sensing network for propellant powder contained within e tank, said network employing resistors and a field effect transistor for putting out a voltage to a summing amplifier proportional to target range and powder temperature, the amplified voltage being fed either into a computer through a detector set at a predetermined reference voltage for correcting ballistic lead angle when said amplified voltage is less than the detector reference voltage or to trigger a fail light when the amplified voltage is greater than said predetermined detector reference voltage.

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Other info:

Inventors: French, William E. (Hawthorne, CA, US)

Application Number: 492082
Filing Date: 1974-07-26
Publication_date: 1976-05-18
Assignee: The United States of America as represented by the Secretary of the Army (Washington, DC)
Primary Class(es): 89/41.03 327/581, 374/178
Other Classes:
US Patent Ref:

3453887	Jul, 1969	Wooten	307/304.
3720131	Mar, 1973	Frohock et al.	89/41.

Other Refs:
Primary Examiner: Bentley, Stephen C.
Assistant Examiner:
Attorney: Edelberg; Nathan, Gibson; Robert P., Suga; Arthur M.