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.

Date of Patent:
Jul. 13, 1982

Filed:

Jul. 09, 1980
Applicant:
Inventors:

Mamoru Inami, Yokohama, JP;

Yoshiaki Tanaka, Tokyo, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01R / ;
U.S. Cl.
CPC ...
324 / ; 324 / ;
Abstract

An apparatus for displaying the spectrum of multichannel signals includes band-pass filtering circuits of a plurality of channels provided to respectively correspond to the channels of a plurality of channels. Each of the band-pass filters of respective channels comprises a group of band-pass filters having filtering bands having a respectively different center frequencies and filtering by band dividing input signals. The apparatus comprises level comparing circuits for at least rectifying respectively the outputs of band-pass filters mutually having the same filtering band of the band-pass filtering circuits of the plurality of channels, thereafter level comparing the same, and obtaining the band signal of the higher level, an indication device having indicating parts of systems of the same number as the number of the band signals thus obtained, and circuits for supplying said band signals thus obtained to the indicating device and causing the levels thereof to be displayed by the indicating parts of the respectively corresponding systems.


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