Compact microwave lamp having a tuning block and a dielectric located in a lamp cavity
October 20, 2017. Estimated 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.Patent ReferencesTransformer protective system Microwave discharge light source apparatus Electrodeless lamp having compound resonant structure Method and apparatus for evening out the temperature distribution of electrodeless lamp bulbs Method and apparatus for changing the emission characteristics of an electrodeless lamp Electrodeless lamp which couples to small bulb High frequency discharge apparatus with hollow waveguide input section Apparatus for coupling electromagnetic radiation from a waveguide to an electrodeless lamp Electrodeless lamp using separate microwave energy resonance modes for ignition and operation Patent #: 5786667 InventorApplicationNo. 945259 filed on 10/20/1997US Classes:315/39, Discharge device load with distributed parameter-type transmission line (e.g., wave-guide, coaxial cable)315/248Induction-type discharge device loadExaminersPrimary: Lee, BennyForeign Patent References
International ClassH01J 065/04AbstractA microwave lamp having a compact structure utilizing a coupling slot which has a dielectric member extending therethrough and a tuning block adjoining the coupling slot. A non-conventional waveguide is used which has about the width of a WR-284 waveguide and about the length of a WR-340 waveguide. | |
