Passive submarine range finding device and method

Details Passive submarine range finding device and method Passive submarine range finding device and method

1994-12-19

1996-08-06

Tarcza, Thomas H.

Optics: measuring and testing

Range or remote distance finding

Triangulation ranging with photodetection, but with no...

356 316, 356 7, 114 33, 114340, G01C 310

Patent

active

055439101

ABSTRACT:
A range finding device and method for determining the distance between a merged submarine and a target above the surface having a first and second periscopes mounted on a submarine with a known separation. These periscopes are rotatable and extensible above the surface and can determine the bearing from each of the periscopes to the target. A computer receives the bearings from the first and second periscopes and uses the bearings with the known preset distance between the periscopes to calculate the distance between the submarine and the target.

REFERENCES:
patent: 1072393 (1913-09-01), Spear et al.
patent: 3202040 (1965-08-01), Burkhardt
patent: 3256387 (1966-06-01), Beste
patent: 4341447 (1982-07-01), Biber
patent: 4591987 (1986-05-01), Brown
patent: 4848886 (1989-07-01), Pratt
patent: 4969735 (1990-11-01), Gilligan
patent: 5008543 (1991-04-01), Bertrand et al.

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