Electric lamp and discharge devices: systems – Pulsating or a.c. supply – Periodic-type current and/or voltage regulator in the supply...
Patent
1986-03-10
1987-09-01
Dixon, Harold
Electric lamp and discharge devices: systems
Pulsating or a.c. supply
Periodic-type current and/or voltage regulator in the supply...
315 72, 362806, 362811, H05B 4116
Patent
active
046911464
ABSTRACT:
The present invention relates to a method and a device for forming special color effects wth at least an electrical lamp which is supplied with a pulsed current and moved by a relative movement into space. The device supplies the electrical lamp with an electrical current which is pulsed during a time T1 in accordance with a pulsating period T, the cyclic ratio T1/T varying between 0 and 1 and the frequency 1/T varying from 1 to 500 Hz.
REFERENCES:
patent: 2443510 (1948-06-01), McCallum
patent: 3080474 (1963-03-01), Allen
patent: 3569775 (1971-03-01), Halsted
patent: 4286195 (1981-08-01), Swinea, Jr.
patent: 4529913 (1985-07-01), Brosillon
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