System for detecting the position of an object relative to a man

Details System for detecting the position of an object relative to a man System for detecting the position of an object relative to a man

1986-08-13

1989-09-19

Tarcza, Thomas H.

Communications, electrical: acoustic wave systems and devices

Echo systems

Returned signal used for control

367 99, G01S 1506

Patent

active

048687960

ABSTRACT:
In a system for detecting the position of an object having predetermined design features in a plane relative to a manipulator provided with ultrasonic sensors consisting of ultrasonic transmitters and ultrasonic receivers, the manipulator is provided with at least three ultrasonic sensors, which are spaced apart and directed at an angle to a common reference plane, two of the sensors are directed to an elongate linear design feature of the object, the third sensor is directed to a second linear design feature of the object, the linear features are designed so that sound waves projected by the ultrasonic sensors and incident on the features will be reflected parallel to the direction of incidence, and the two linear design features are parallel to each other in a plane.

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