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:
Apr. 23, 1991
Filed:
May. 30, 1990
Applicant:
Inventors:
Toshimi Kaneko, Nagaokakyo, JP;
Tetsuya Morinaga, Nagaokakyo, JP;
Tetsuo Hatakenaka, Nagaokakyo, JP;
Assignee:
Murata Manufacturing Co., Ltd., Nagaokakyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
335296 ; 335297 ; 336 83 ;
Abstract
A chip coil wherein the coil wound around the core is enclosed with a sleeve core. The upper surfaces of the core and the sleeve core are ground so as to adjust the inductance of the chip coil.