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:
Feb. 14, 1989
Filed:
Mar. 25, 1986
Applicant:
Inventors:
Akira Takigawa, Takasaki, JP;
Shizuo Kondo, Takasaki, JP;
Masumi Kasahara, Takasaki, JP;
Toshinori Hirashima, Takasaki, JP;
Mikio Haijima, Takasaki, JP;
Setsuo Ogura, Takasaki, JP;
Osamu Takada, Ohta, JP;
Yoshiki Akamatsu, Takasaki, JP;
Assignees:
Hitachi, Ltd., Tokyo, JP;
Hitachi Microcomputer Eng., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M / ; H03M / ;
U.S. Cl.
CPC ...
341133 ; 174-1 ; 338287 ; 338283 ; 338320 ; 338333 ; 341154 ; 341159 ;
Abstract
A resistor is provided with a plurality of turn parts whose corners have an obtuse flexional angle in order to improve the relative resistance precision. A ladder resistor can be formed with a plurality of such resistors connected in series, and various electronic devices are formed employing the ladder resistor.