Arrangement for identifying the position of a movable body with

Details Arrangement for identifying the position of a movable body with Arrangement for identifying the position of a movable body with

1987-06-26

1988-08-09

Levy, Stewart J.

Measuring and testing

Vibration

By mechanical waves

367902, 367127, G01N 2904

Patent

active

047620013

ABSTRACT:
For identifying the position of a movable body comprising a reflector, a primary transducer and a secondary transducer are utilized which transmit ultrasonic pulses to the reflector and, in turn, detect the ultrasonic pulses reflected by the reflector. A measuring device identifies a positional value assigned to the position of the reflector from the transit times of the ultrasonic pulses from both transducers. To this end, the measuring equipment has a primary control to which a calculator, a primary memory, a timer and a pilot control are coupled. Furthermore, the measuring equipment has a receiver, a transmitter and a transfer device which alternately connects the ultrasonic transducers to the measuring equipment.

REFERENCES:
patent: 3757285 (1973-09-01), Ferre
patent: 4543649 (1985-09-01), Head et al.
patent: 4545249 (1985-10-01), Matay

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