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:
Jun. 06, 2000
Filed:
May. 01, 1997
Applicant:
Inventors:
Sadakazu Shiga, Fukushima-ken, JP;
Naoyuki Hatano, Fukushima-ken, JP;
Assignee:
Alps Electronics Co., Ltd., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K / ;
U.S. Cl.
CPC ...
174250 ; 174 / ;
Abstract
A circuit board comprises: a plurality of solder lands, a wiring pattern having a plurality of wiring lines connected to the solder lands, respectively, an output terminal formed at one end of each of the wiring lines of the wiring pattern, an integrated control circuit connected to the solder lands, and a grounding pattern to be held at a ground potential. The grounding pattern has grounding lines formed between the adjacent wiring lines of the wiring pattern, respectively, so as to be coupled to the wiring lines by capacitive coupling.