Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Reexamination Certificate
2006-10-03
2006-10-03
Pyo, Kevin (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Photocell controls its own optical systems
C126S576000, C126S605000
Reexamination Certificate
active
07115851
ABSTRACT:
Heliostat devices are disclosed. A disclosed heliostat device comprises planar reflectors and their frame, an azimuth angle adjusting mechanism and an altitudinal angle adjusting mechanism, and a sunlight tracking sensor. This device can perform sun tracking and accurate projection in fixed direction, via the directed sensor mounted in the fixed projection direction to form multi-stage control sensors.
REFERENCES:
patent: 4586488 (1986-05-01), Noto
patent: 4883340 (1989-11-01), Dominguez
patent: 5798517 (1998-08-01), Berger
patent: 6231197 (2001-05-01), Nakamura
patent: 6465766 (2002-10-01), Zhang
patent: 1 033 591 (2000-06-01), None
Hanley Flight & Zimmerman LLC
Pyo Kevin
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