Transponder Reply Limiting by Means of Recognition of Fixed Interrogation Periods.
DEPARTMENT OF THE NAVY WASHINGTON DC
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It is shown that the interrogation repetition period IRP of an interrogator can be recognized by a transponder and then used by it to both determine when the interrogator has elicited a predetermined number of replies called an adequate response and limit the interrogator to that number during each scan. This form of reply limiting by a transponder requires absolutely no change in the type of signals transmitted. Logic circuits that perform the required functions are provided. Author
- Computer Hardware