Accession Number : ADD000070

Title :   Noise Modulated Analogue Signal Presence Detector.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C

Personal Author(s) : Lockitt,John A ; Eller,Timothy S

Report Date : 25 Sep 1973

Pagination or Media Count : 4

Abstract : The patent describes a circuit for detecting presence of an analogue signal of unknown frequency in a noise environment. Detection is accomplished by determining and comparing the time variation between successive trailing edge zero crossings of the received signal.

Descriptors :   *Detectors, *Patents, Signals, Detection, Analog systems

Subject Categories : Electrical and Electronic Equipment

Distribution Statement : APPROVED FOR PUBLIC RELEASE