Electric lamp and discharge devices: systems – Current and/or voltage regulation – Automatic regulation
Patent
1999-09-01
2000-11-14
Wong, Don
Electric lamp and discharge devices: systems
Current and/or voltage regulation
Automatic regulation
315209R, 315308, 315DIG4, 315DIG5, 315DIG7, G05F 100
Patent
active
061474630
ABSTRACT:
Control device (3) for the operation of a load, in particular at least one gas discharge lamp (10, 15). The control device (3) is divided into a first purely software controlled control unit (3a) a second control unit (3b) realized purely in hardware. The two control units (3a, 3b) are connected with one another via a bidirectional connection line, the second control unit receiving exclusively internal operating state information (I.sub.intern) and the first control unit (3a) receiving external control information (I.sub.extern) By means of the division of the control device into a purely software controlled control unit (3a) and a control unit constructed purely of hardware (3b) the control device (3) in accordance with the invention has both a speed sufficient for rapid control procedures and also a sufficient flexibility with regard to alterations. Advantageously, the control device (3) in accordance with the invention is employed in an electronic ballast for the operation of gas discharge lamps (10, 15).
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Garcia, Juan Garzon, "Entwicklungeines Universellen Rechnergefuhrten Systems Zur Ansteuerung Eines Elektronischen Vorschaltgerates--Evg" Jul. 1995, Thesis--University of Karlsruhe.
Luger Siegfried
Trostl Alfred
Tran Thuy Vinh
Tridonic Bauelemente GmbH
Wong Don
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