Solar array output regulator using variable light transmission

Details Solar array output regulator using variable light transmission Solar array output regulator using variable light transmission

1991-10-15

1994-03-01

Peters, Jr., Joseph F.

Aeronautics and astronautics

Spacecraft

With payload accommodation

244158R, 244168, 323906, 136292, B64G 144

Patent

active

052899985

ABSTRACT:
A solar cell voltage regulating arrangement which is particularly advantageous for use in spacecraft includes a light valve such as a liquid crystal cell disposed before the solar cell, to thereby controllably vary the light transmission to the solar cell. A control arrangement varies the transmission of the liquid crystal to control the output voltage.

REFERENCES:
patent: 3740636 (1973-06-01), Hogrefe et al.
patent: 4390940 (1983-06-01), Corbefin et al.
patent: 4404472 (1983-09-01), Steigerwald
patent: 4573214 (1986-02-01), Mooradian
patent: 4604567 (1986-08-01), Chetty
patent: 4697136 (1987-09-01), Ishikawa
patent: 4728878 (1992-07-01), Anthony
Richard A. Perez, Electronic Display Devices, Tab Professional & Reference Books, 1988, Chapter 6, "Liquid Crystal Displays (LCD)", pp. 203-255.
"Crystallizing LCD Types," Electronic Design, May 28, 1987, p. 90.
"Tektronix Builds a Brighter, Crisper LCD," Electronics, May 28, 1987, pp. 61-62.
Richard L. Macklin, "Make-up of Liquid Crystals," 1980 The Optical Industry and Systems Purchasing Directory, pp. B-155 through B-158.
"Negative Guest-Host Dichroic LCD," Hamlin application note, pp. 1 and 3.

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