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:
Dec. 25, 1990
Filed:
Mar. 31, 1989
Applicant:
Inventor:
Frank P Smith, II, Dresher, PA (US);
Assignee:
Litton Systems, Inc., Springfield, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H / ;
U.S. Cl.
CPC ...
333132 ; 343858 ; 370 37 ; 370 38 ;
Abstract
A diplexer couples a plurality of RF signals and a strobe signal to the antenna of an emergency transmitter buoy. A plurality of filters in the diplexer each pass a preselected signal to the antenna and block other signals from being reflected into the signal sources.