Apparatus for seeking and following a luminous zone, such as the

Details Apparatus for seeking and following a luminous zone, such as the Apparatus for seeking and following a luminous zone, such as the

1979-06-19

1981-09-01

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

126425, G01J 120

Patent

active

042874114

ABSTRACT:
Apparatus for seeking and following a luminous zone, such as the sun, comprises an element angularly movable about mutually perpendicular axes. The element carries photoelectric transducers facing in different directions and which control servomotors for positioning the element to face the luminous zone in accordance with differential signals produced by the transducers.

REFERENCES:
patent: 3268185 (1966-08-01), Eckermann
patent: 3917942 (1975-11-01), McCay
patent: 4146784 (1979-03-01), Yekutiey
patent: 4146785 (1979-03-01), Neale
patent: 4151408 (1979-04-01), Brown et al.

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