Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control
Patent
1984-12-04
1987-12-15
Tarcza, Thomas H.
Communications, electrical: acoustic wave systems and devices
Echo systems
Returned signal used for control
367100, 367 95, 367 7, G01S 966, G01S 968
Patent
active
047137983
ABSTRACT:
A method of and apparatus for carrying out machine vision of an object for obtaining object data therefrom in which the object is illuminated by frequency swept ultrasonic stress wave energy from a transmitting and receiving transducer array, or by light energy from a source, reflected signals are received respectively by the array and an optical-electronic camera, respective images in terms of the data contained in these received signals are fed to a processor in which the data is analysed to make use of the best data derived from both sources of illumination and the resulting data compared with reference data to provide stimuli controlling a reject device and/or positional adjustment devices directing the array and/or the camera.
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patent: 4105990 (1978-08-01), Rines et al.
patent: 4310903 (1982-01-01), Kay
patent: 4423494 (1983-12-01), Groves et al.
patent: 4447896 (1984-05-01), Rines
patent: 4576286 (1986-03-01), Buckley et al.
Kruger et al., A Technical and Economic Assessment of Computer Vision for Industrial Inspection and Robotic Assembly, 1981.
Pihulic Daniel T.
Tarcza Thomas H.
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