H - Electricity – 05 – B
Patent
H - Electricity
05
B
H05B 41/24 (2006.01) H01J 65/04 (2006.01) H05B 41/02 (2006.01)
Patent
CA 2076814
The present invention describes an electrodeless HID lamp fixture which utilizes conventional microwave printed circuit material to provide both coupling and impedance matching functions. The fixture provides a steady state input impedance of a predetermined (e.g. 50 .OMEGA. or 75 .OMEGA.) value allowing direct connection to a RF power supply. Microwave power is applied at the input of the impedance matching network/balun which transforms the steady-state impedance of the lamp to the predetermined value. The network include a quarter wave transformer having a shunt capacitor coupled to balun-applicator which supplies microwave power to the lamp. In a preferred embodiment, the quarter wave transformer, shunt capacitor and balun are all manufactured on a microstrip.
Bochinski Jason R.
Butler Scott J.
Lapatovich Walter P.
Gte Products Corporation
R. William Wray & Associates
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