JPS6092104

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DESCRIPTION JPS6092104
[0001]
Brief description of the drawings
[0002]
1 and 2 are sectional views showing an example of the prior art apparatus, FIG. 3 is a layout view
showing one embodiment of the present invention, and FIG. 4 is a structural view showing an
example of the main part of the present invention. FIG. 5 is a diagram for describing the present
invention, FIG. 6 is a characteristic diagram for describing the present invention, FIG. 7 is a
layout diagram showing another embodiment of the present invention, and FIG. FIG. 7 is a
characteristic diagram for explaining the operation of FIG. 7, and FIGS. 9 and 10 are circuit
configuration diagrams showing an example to which the present invention is applied. 31 is a
diaphragm, 41 is a light source, 42 is a semiconductor device detector, 44 is an aperture, 45 is a
lens, 46 is a mirror, 47 is a two-part detector, 53.56 is an addition circuit, 54 is a subtraction
circuit, 55 is a light quantity A control circuit, 58 is an audio filter, 59 is a cube circuit, 60 is a
comparison circuit, 61 is a loop filter, 64 is a square circuit, and 65 is a multiplication circuit.
07-05-2019
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