U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Microwave discharge light source apparatus

Patent 4673846 Issued on June 16, 1987. Estimated Expiration Date: Icon_subject February 26, 2005. 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 References

3374393

3541372

3609448

3641389

3814983

3872349

3911318

Microwave generated plasma light source apparatus
Patent #: 4498029
Issued on: 02/05/1985
Inventor: Yoshizawa ,   et al.

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

Inventors

Application

No. 06/705529 filed on 02/26/1985

US Classes:

315/248, Induction-type discharge device load315/111.21, Plasma generating315/344, Electromagnetic influenced discharge device315/39Discharge device load with distributed parameter-type transmission line (e.g., wave-guide, coaxial cable)

Examiners

Primary: Chatmon, Saxfield Jr.

Attorney, Agent or Firm

International Classes

H01J 65/04 (20060101)
H01P 7/00 (20060101)
H01P 7/06 (20060101)

Foreign Application Priority Data

1984-03-02 JP

Abstract

In a microwave discharge light source apparatus for effecting discharge of an electrodeless discharge lamp held in a cavity which causes resonance by microwaves, the wall surface of the cavity resonator is constituted by a mesh and wires constituting the mesh, are electrically connected at each crossing point without resistance of contact. Effective discharging of the lamp is attainable and the cavity has a mechanically strengthened structure.

Other References

  • Patents Abstracts of Japan, vol. 8, No. 36 (E227)[1473], 16th Feb. 1984; & JP-A No. 58 194 242 (Mitsubishi Denki K.K.) 12-11-1983
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