The Machlett Laboratories, Incorporated

Vincent Berluti, Jr

Jonathan S Shapiro

Howard G Wagner

Thomas W Fitzsimmons

Anthony J Pellegrino

A radiographic system comprising an X-ray source disposed to direct an X-ray beam through an adjustable shutter aperture in an aligned collimator and onto an image receptor in a holder located at a preselected distance from the source; and automatic means for preventing an X-ray exposure until prescribed operating conditions have been satisfied, the automatic means including a readily interchangeable read-only-memory module for storing the prescribed conditions therein and ascertaining whether or not the prescribed conditions have been met.

Radiographic system

An X-ray tube test system comprising signal processing circuitry including means for converting an analog signal representative of anode current into a train of pulses having an instantaneous frequency proportional to corresponding instantaneous amplitude values of the analog signal, means for counting the pulses in the train during an exposure time interval to obtain an integrated milliampere-second (MAS) value, means for summing a train of pulses having a uniform frequency during an interval of time equivalent to the exposure time interval to obtain an integral value for the exposure time, means for optionally dividing the MAS value by the exposure time value to obtain an average anode current (MA) value during the exposure time interval, and means for displaying numerical equivalents of the values thus obtained.

X-ray testing system

A radiographic system comprising an X-ray source disposed to direct an X-ray beam through an adjustable shutter aperture in an aligned collimator and onto an image receptor in a holder located at a preselected distance from the source; and automatic means for preventing an X-ray exposure until prescribed operating conditions have been satisfied, the automatic means including read-only-memory means for storing the prescribed conditions therein and ascertaining whether or not the prescribed conditions have been met.

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West Haven, CT, United States of America

Vincent Berluti, Jr