Verbal read-out depth sounding sysem

Details Verbal read-out depth sounding sysem Verbal read-out depth sounding sysem

G - Physics

01

S

349/25

G01S 15/88 (2006.01) G01D 7/12 (2006.01) G01S 15/14 (2006.01)

Patent

CA 1085503

ABSTRACT OF THE DISCLOSURE A system for measuring distance to an object. The system comprises a device for producing a high frequency sound impulse. There is a receiver for a high frequency echo sound impulse reflected from the object. A depth clock is connected to clock a counter. An initiator for the depth clock initiates the clock at a first time corresponding to the time of production of the high frequency sound impulse. The depth clock is stopped at a second time corresponding to the time of receipt of the echo sound impulse. The content of the counter is proportional to the distance to the object. A time delay prevents stopping of the depth clock until a predetermined delay after the first time. A speech synthesiser produces spoken numbers corresponding to data supplied to the speech synthesiser. Data corresponding to the content of the counter are supplied to the speech synthesiser. The system is safer than prior art systems as it does not need to be observed.

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