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:
Mar. 12, 1985
Filed:
Aug. 05, 1982
Applicant:
Inventors:
Akio Kaneko, Iwaki, JP;
Hitoshi Kajiwara, Iwaki, JP;
Yukihiko Haikawa, Iwaki, JP;
Kazuya Nishiga, Iwaki, JP;
Assignee:
Alps Electric Co., Ltd., Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H03G / ; G01R / ;
U.S. Cl.
CPC ...
381103 ; 381 58 ; 324 / ;
Abstract
In a presettable graphic equalizer for use in a car stereo or the like, a display device capable of two-dimensional display is disposed, whereby a frequency characteristic presently given to audio signals can be immediately known from the display of the display device.