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US Patent 4749915 - Microwave powered electrodeless light source utilizing de-coupled modes
US Patent Issued on June 7, 1988
Estimated Patent Expiration Date:
May 21, 2006Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
Estimated Patent Expiration Date:
May 21, 2006Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.AbstractA microwave powered electrodeless light source in which a relatively high power level is coupled to the bulb. This is accomplished by arranging for a plurality of energy modes which are substantially de-coupled from each other to be present in the microwave cavity. | InventorsAssigneeApplicationNo. 06/865488 filed on 05/21/1986US Classes:315/248, Induction-type discharge device load313/493, Envelope structure or material315/344, Electromagnetic influenced discharge device315/39Discharge device load with distributed parameter-type transmission line (e.g., wave-guide, coaxial cable)Field of Search315/39, Discharge device load with distributed parameter-type transmission line (e.g., wave-guide, coaxial cable)315/111.21, Plasma generating315/344, Electromagnetic influenced discharge device315/39.3, Traveling wave type with delay-type transmission line315/248, Induction-type discharge device load315/151, Load device irradiating the radiant energy responsive device315/176Simultaneous application to the load deviceExaminersPrimary: Moore, David K.Assistant: Razavi, Michael Attorney, Agent or FirmUS Patent References4042850, Microwave generated radiation apparatusIssued on: 08/16/1977 Inventor: Ury , et al.4144436, Microwave oven excitation system for promoting uniformity of energy distribution Issued on: 03/13/1979 Inventor: Hauck4359668, Method and apparatus for igniting electrodeless discharge lamp Issued on: 11/16/1982 Inventor: Ury4498029, Microwave generated plasma light source apparatus Issued on: 02/05/1985 Inventor: Yoshizawa , et al.4504768, Electrodeless lamp using a single magnetron and improved lamp envelope therefor Issued on: 03/12/1985 Inventor: Ury , et al.4507587, Microwave generated electrodeless lamp for producing bright output Issued on: 03/26/1985 Inventor: Wood , et al.4633140Electrodeless lamp having staggered turn-on of microwave sources Issued on: 12/30/1986 Inventor: Lynch , et al. International ClassesH01P 1/20 (20060101)H01J 65/04 (20060101) H01P 1/208 (20060101) |
