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:
Sep. 05, 1995
Filed:
Jun. 18, 1993
Applicant:
Inventors:
Hisashi Kondo, Tokyo, JP;
Tomoshi Sone, Shizuoka, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K / ;
U.S. Cl.
CPC ...
361760 ; 361761 ; 361777 ; 361743 ; 174260 ; 174262 ; 174263 ;
Abstract
A circuit board for mounting a band-pass filter. An elongate through hole is formed through the ground surface of the circuit board for shielding the input and output terminals of a band-pass filter from each other. The through hole eliminates unexpected coupling between the input and output terminals within the circuit board. Solder which flows into the through hole allows the casing of the filter to closely contact the ground surface of the circuit board.