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:
Oct. 18, 1988
Filed:
Dec. 16, 1986
Applicant:
Inventors:
Assignee:
Kyocera Corporation, Kyoto, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
36472416 ;
Abstract
An octave multiple filter is provided in which a plurality of filter stages which includes a pair of digital filters (FIR type filters), one having band pass characteristics and the other having low pass characteristics, are arranged between the input and the output according to a predetermined rule, so that their characteristics can be specified with logarithmically uniform intervals in a wide frequency region.