Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Silicon controlled rectifier ignition
Patent
1997-04-15
1999-08-17
Kinkead, Arnold
Electric lamp and discharge devices: systems
Periodic switch in the supply circuit
Silicon controlled rectifier ignition
315DIG5, 315308, 361816, 307 101, H05K 114, H05B 3702
Patent
active
059398353
ABSTRACT:
A discharge lamp lighting device for turning on a discharge lamp, including: a power system which generates a high voltage, the power system having a grounding line; a control system having an analog circuit which has a grounding line, and a digital circuit which has a ground wire, the control system for controlling the power system; and a power source system for generating voltages to drive the power system and the control system, wherein the grounding line of the power system, the grounding line of the analog circuit in the control system and the grounding line of the digital circuit in the control system are provided independently of each other.
REFERENCES:
patent: 5545955 (1996-08-01), Wood
Nakayama Toru
Oda Goichi
Takeda Hitoshi
Yamashita Masayasu
Kinkead Arnold
Koito Manufacturing Co. Ltd.
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