Alternating current solar power apparatus

Details Alternating current solar power apparatus Alternating current solar power apparatus

2006-11-28

2006-11-28

Vu, Bao Q. (Department: 2838)

Batteries: thermoelectric and photoelectric

Photoelectric

C136S244000

Reexamination Certificate

active

07141734

ABSTRACT:
An alternating current (AC) solar power apparatus includes a photovoltaic cell and a circuit or device for causing a signal generated by the photovoltaic cell to oscillate in a negative differential resistance range, thereby producing an AC output voltage. The photovoltaic cell exhibits negative differential resistance in its current/voltage (IV) curve in the presence of high flux illumination, wherein when the output voltage is within a negative differential resistance range, an incremental increase in the output voltage produces an associated decrease in generated current. By connecting the terminals of the photovoltaic cell to a resonator (e.g., an inductive-capacitive circuit) or other device that produces oscillation within the negative differential resistance range, the photovoltaic cell is caused to produce AC power.

REFERENCES:
patent: 4058729 (1977-11-01), Sher
patent: 4074129 (1978-02-01), O'Hare
patent: 4075034 (1978-02-01), Butler
patent: 4152597 (1979-05-01), Sher
patent: 4533783 (1985-08-01), Benjamin et al.
patent: 4577052 (1986-03-01), Schutten et al.
patent: 4728878 (1988-03-01), Anthony
patent: 6686533 (2004-02-01), Baum et al.

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