Electric lamp and discharge devices: systems – Pulsating or a.c. supply
Patent
1988-12-20
1989-11-14
Boudreau, Leo H.
Electric lamp and discharge devices: systems
Pulsating or a.c. supply
315240, 315244, 315291, 315DIG1, 315DIG7, H05B 4116
Patent
active
048810142
ABSTRACT:
The present invention comprises a switching circuit which converts direct current electric power into a pulse; an insulative transformer which includes a primary coil for loading a generated pulse, coils for direct and alternating current outputs which are provided on the secondary coil side of the insulative transformer; an impendance circuit for controlling current which is connected with the coil for alternating the output; a control circuit which controls the switching circuit so that the output voltage of the coil for the direct current output is kept constant; and a fluorescent lamp connected with the coil for alternating the current output. The circuit can obtain the alternating current without secondary switching.
REFERENCES:
patent: 3170085 (1965-02-01), Genvit
patent: 4371918 (1983-02-01), Schierjott
patent: 4392087 (1983-07-01), Zansky
patent: 4451876 (1984-05-01), Ogata
patent: 4486823 (1984-12-01), Palm
patent: 4535399 (1985-08-01), Szepesi
patent: 4553070 (1985-11-01), Sairanen et al.
patent: 4677534 (1987-06-01), Okochi
patent: 4687971 (1987-08-01), Shimizu
Boudreau Leo H.
Kabushiki Kaisha Toshiba
Razavi Michael
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