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公开(公告)号:JP2000353495A
公开(公告)日:2000-12-19
申请号:JP2000140451
申请日:2000-05-12
Applicant: FUSION LIGHTING INC
Inventor: DOUGLAS A KIRKPATRICK , DOLAN JAMES T , MACLENNAN DONALD A , TURNER BRIAN P , SIMPSON JAMES E , PAUL S DARLING , MARK G FLETCHER , MICHAEL GAABI , DAVID HELSEL , WAYNE G LOVE , PAUL K RAFF , PROCTER JAMES , JOHN F RASMASSEN , ROBERT H LIDELL , ROBERT J ROY , DAVID T SIGEL , URY MICHAEL G
IPC: H01J65/04
Abstract: PROBLEM TO BE SOLVED: To provide a high-power aperture lamp, by providing a reflector demarcating a reflective cavity surrounding a bulb storing a filler for discharge formation and an aperture for light emission, and providing the reflective cavity with a considerably small inside surface area. SOLUTION: A coupling construction transmits microwave energy, and a bulb stores a filler for discharge formation that emits light when stimulated by the microwave energy. A reflector is disposed in a microwave cavity. and the inside surface area of a reflective cavity is considerably smaller than that of the microwave cavity, A screen 4a has a solid portion 5a and a mesh portion 7a, and a dielectric substance 24 is present between an upper surface of a wave guide 25 and a bulb 9a. The dielectric substance 24 has a dielectric constant larger than the dielectric constant of air. A dielectric constant of 4 or more is needed to considerably reduce the size of a resonance cavity 3.
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公开(公告)号:JP2001057296A
公开(公告)日:2001-02-27
申请号:JP2000200446
申请日:2000-07-03
Applicant: FUSION LIGHTING INC
Inventor: LEVIN IZRAIL , LEWIS AMEZUKUA , BASS GARY K , DOLAN JAMES T , MICHAEL A DUBINOVSKI , GARBER WILLIAM E JR , GITSEVICH ALEKSANDR , DOUGLAS A KIRKPATRICK , KWONG VINCENT H , COPSEY JESSE F , MACLENNAN DONALD A , OLA SAMUEL A , ROBERT J ROY , JSAI PETER , TURNER BRIAN P , SIMPSON JAMES E , PROCTER JAMES , WILLIAM G GRIMM , LAUREN E DIMOND JR , PAUL E STEINER
Abstract: PROBLEM TO BE SOLVED: To provide the long service life by using a detector capable of supplying a signal corresponding to the detected lamp operation parameter to a control circuit, having a six-port directional coupler connected between an RF power supply source and a lamp, and detecting the forward and reflected power, and allowing them to be corresponded to the lamp operation parameter. SOLUTION: This lamp is covered with a reflective film 5 capable of defining an aperture 16 by an electrodeless lamp bulb 14. A loop 17 for inductive connection is driven by a solid state RF supply source 18 to supply the lamp power. A directional coupler supplies a signal representing the forward power and the reflected power to an RF control circuit. The RF supply source 18 is constituted so us to adjust a predetermined operating frequency on the basis of a low voltage DC signal. Whereby the RF control circuit provides the coherent lighting of the lamp, the quick operation of the lamp for full power, and the stable lamp operation over a life period of the lamp.
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