Sonar rangefinder system

Details Sonar rangefinder system Sonar rangefinder system

1981-11-18

1984-03-27

Farley, Richard A.

Communications, electrical: acoustic wave systems and devices

Echo systems

Distance or direction finding

367108, 367900, G01S 1508

Patent

active

044398468

ABSTRACT:
An ultrasonic rangefinder system for use in either an ultrasonic rangefinder camera or a general purpose ultrasonic rangefinder designer's kit provides a plurality of automatic sonic rangefinder functions when embodied in the photographic rangefinder camera while at the same time accommodating independently established control functions overriding the automatic functions when the rangefinder is utilized as part of the general purpose sonar rangefinder designer's kit.

REFERENCES:
patent: 3766518 (1973-10-01), Rilett
patent: 3787802 (1974-01-01), Brahman
patent: 3935514 (1976-01-01), Ellin
patent: 4000650 (1977-01-01), Snyder
patent: 4169255 (1979-09-01), Hulsman et al.
patent: 4186371 (1980-01-01), Toubkin et al.

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