The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 29, 1991
Filed:
Apr. 03, 1989
Applicant:
Inventors:
George Hjipieris, Hertfordshire, GB;
Paul Bunyan, Hertfordshire, GB;
Martin Cryan, Hertfordshire, GB;
Assignee:
Marconi Instruments Limited, Hertfordshire, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01P / ;
U.S. Cl.
CPC ...
333 172 ; 333 / ;
Abstract
An attenuator incorporates a matched circuit which directs a portion of the input power to a power detector (25). In response to the power level reaching a threshold value an actutor breaks the circuit through the attenuator to provide reverse power protection.