JPS5549714A - Inducing unit - Google Patents

Abstract

PURPOSE: To cause an induced object to reach a target through a prescribed route without causing this object to go straightly toward the target after target detection by obtaining information of the distance to the target by following the target and an object other than the target in the visual field.

CONSTITUTION: The optical image of optical system 6 is converted to electric signals to generate video signals. Video signals corresponding to a target and video signals corresponding to the other object are compared with each other by comparators 9 and 13 to output pulse signals. These two signals are added in adders 12 and 16 to calculate and output voltage VC corresponding to the error angle at the target center, and this voltage is used for signals to turn the optical axis of the optical system to the target. In storage equipment 17, the movement distance indicated by the product among a new error angle corresponding to the movement of an induced object, a preset speed and a storage time is obtained by distance operator 21, and route change bias voltages are generated every moment by bias signal generator 22 according to movement. After that, this signal is used to add the current advance direction and the angle signal of the optical axis of adders 23 and 24. This output is induction control signals and becomes signals to control the induced object.

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