Accession Number : ADD014647

Title :   Method and Means for Increasing Echo-Ranging-Search Rate.

Descriptive Note : Patent, Filed 16 Aug 66, patented 14 Aug 90,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Murphree, Francis J

Report Date : 14 Aug 1990

Pagination or Media Count : 8

Abstract : This patent discloses a sonar system having a transmitting transducer adapted for being moved along a predetermined path, a transmitter for energizing and transmitting transducer, an omni-directional receiving transducer spatially disposed behind said transmitting transducer, a sidewardly and downwardly looking receiving transducer contiguously disposed with said omni-directional receiving transducer, a receiver connected to the output of said sidewardly and downwardly looking transducer, a series connected detector, differentiator, delay, and time base generator coupled to the output of said omni-directional transducer, and a readout connected to the outputs of the aforesaid receiver and time base generator. (jhd)

Descriptors :   *PATENTS, *SONAR TRANSDUCERS, *ECHO RANGING, OMNIDIRECTIONAL, SONAR, TIME, TRANSMITTING, RANGE(DISTANCE)

Subject Categories : Acoustic Detection and Detectors

Distribution Statement : APPROVED FOR PUBLIC RELEASE