Electrodeless lamp with elimination of arc attachment

Patent 5841242 Issued on November 24, 1998. Estimated Expiration Date:

March 3, 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.

Abstract Claims Description Full Text

Patent References

Electrodeless fluorescent light source
Patent #: 4189661
Issued on: 02/19/1980
Inventor: Haugsjaa , et al.

Method & apparatus for cooling electrodeless lamps
Patent #: 4485332
Issued on: 11/27/1984
Inventor: Ury , et al.

Microwave generated electrodeless lamp for producing bright output
Patent #: 4507587
Issued on: 03/26/1985
Inventor: Wood , et al.

Method and apparatus for cooling electrodeless lamps
Patent #: 4695757
Issued on: 09/22/1987
Inventor: Ury , et al.

Method and apparatus for evening out the temperature distribution of electrodeless lamp bulbs
Patent #: 4902935
Issued on: 02/20/1990
Inventor: Wood

Method and apparatus for changing the emission characteristics of an electrodeless lamp
Patent #: 4954756
Issued on: 09/04/1990
Inventor: Wood, et al.

Electrodeless lamp which couples to small bulb Patent #: 4975625
Issued on: 12/04/1990
Inventor: Lynch, et al.

Inventors

Application

No. 811467 filed on 03/03/1997

US Classes:

315/248, Induction-type discharge device load313/572, One torr thru 760 torr315/39Discharge device load with distributed parameter-type transmission line (e.g., wave-guide, coaxial cable)

Examiners

Primary: Pascal, Robert
Assistant: Shingleton, Michael B

Attorney, Agent or Firm

Pollock, Vande Sande & Priddy

International Class

H05B 041/16

Abstract

An electrodeless lamp arrangement powered by RF energy. The lamp arrangement having an envelope that is rotated and most importantly the envelope forms the center of a coaxial arrangment used to transfer the RF energy into the envelope.