Illuminator for cultivating plant

Details Illuminator for cultivating plant Illuminator for cultivating plant

1985-06-18

1988-06-07

Chatmon, Saxfield

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Plural load device systems

47DIG6, 315DIG5, 315DIG7, 315312, 315313, 315308, H05B 4116, H05B 4124

Patent

active

047499168

ABSTRACT:
An illuminator for cultivating a plant by a discharge lamp excited by the output of a high frequency power source by utilizing photosynthetic mechanism. The output power of the high frequency power source is controlled to high and low powers by a bright and dark controller to alternatively supply the high and low powers to the discharge lamp in predetermined periods.

REFERENCES:
patent: 3233146 (1966-02-01), Uacha
patent: 3876907 (1975-04-01), Widmayer
patent: 3911318 (1975-10-01), Spero et al.
patent: 3971967 (1976-07-01), Hawkins
patent: 4163341 (1979-08-01), Fogg et al.
patent: 4371812 (1983-02-01), Widmayer
patent: 4396872 (1983-08-01), Nutter
patent: 4544862 (1985-10-01), Yamazaki et al.
patent: 4583026 (1986-04-01), Kajiwara et al.

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