US PATENT SUBCLASS 378 / 96
.~ Exposure timer

Current as of: June, 1999
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378 /   HD   X-RAY OR GAMMA RAY SYSTEMS OR DEVICES

91  DF  ELECTRONIC CIRCUIT {7}
96.~ Exposure timer {1}
97  DF  .~.~> Dose responsive

DEFINITION

Classification: 378/96

Exposure timer:

(under subclass 91) Subject matter wherein the circuit includes means to determine the length of time that the object is exposed to radiation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

117, for means for termination of exposure to prevent damage to the system.

SEE OR SEARCH CLASS

368, Horology: Time Measuring Systems or Devices,

89+, for interval timers, per se.