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

Termination fixture for an electrodeless lamp

Patent 3943402 Issued on March 9, 1976. Estimated Expiration Date: Icon_subject March 9, 1993. 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

3787705

Inventors

Assignee

Application

No. 570055 filed on 04/21/1975

US Classes:

315/39, Discharge device load with distributed parameter-type transmission line (e.g., wave-guide, coaxial cable)315/248Induction-type discharge device load

Examiners

Primary: Rolinec, R. V.
Assistant: Hostetter, Darwin R.

Attorney, Agent or Firm

International Class

H01J 65/04 (20060101)

Abstract

An improved termination fixture for an electrodeless light source matches the complex impedance of an electrodeless lamp during excitation to the output impedance of a high frequency power source coupled to the fixture. The inner conductor of the fixture has a first and a second section. The dimensions of the first section are such as to produce an input impedance whose reactive impedance part is much smaller than the reactive impedance part of the lamp impedance. The dimensions of the second section are such as to match the input impedance to the source output impedance.

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