Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Patent
1981-11-13
1983-11-08
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Photocell controls its own optical systems
250204, 354 25, G01S 136
Patent
active
044144695
ABSTRACT:
Automatic focusing apparatus includes a charge store type photo-sensor. Due to the use of the photo-sensor, the apparatus has an improved response to a substantial charge of an interval of control outputs by change in a time sequence of the control outputs and also has an improved response to a change in a time sequence of servo outputs and a substantial change in an interval of the servo outputs.
REFERENCES:
patent: 4264810 (1981-04-01), Utagawa et al.
Hostetter Darwin R.
Nelms David C.
Nippon Kogaku K.K.
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