Calibration transducer

Details Calibration transducer Calibration transducer

1975-08-18

1976-06-08

Goldstein, Herbert

Communications: electrical

Selective

Intelligence comparison for controlling

73 1DV, 73 1E, 73167, H04R 2900

Patent

active

039626717

ABSTRACT:
Valid artificial targets are generated by means of an external attachment ilizing a calibration transducer affixed against a homing system transducer within the nose section of the Torpedo Mark 48 Mod 1. The calibration transducer comprises four elements bonded to a Rho-C rubber surface with each element located in separate quadrants. A plurality of phase shifters for nulling purposes are connected between the four elements. Phase shifted signal inputs then enable the calibration transducer elements to provide acoustic signals corresponding to predetermined target angles.

REFERENCES:
patent: 2628335 (1953-02-01), Drake
patent: 2918651 (1959-12-01), Podolak et al.
patent: 3079583 (1963-02-01), Beitscher et al.
patent: 3167150 (1965-01-01), Darby et al.
patent: 3292142 (1966-12-01), Carson
patent: 3683680 (1972-08-01), Johnson et al.
patent: 3864664 (1975-02-01), Trott et al.
patent: 3913062 (1975-10-01), Spurlock

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