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:
Sep. 21, 1993
Filed:
Apr. 08, 1992
Applicant:
Inventor:
Hiroshi Kowaki, Kobe, JP;
Assignee:
Fujitsu Ten Limited, Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06G / ;
U.S. Cl.
CPC ...
364825 ;
Abstract
A coefficients setting method of a plurality of parallel connected comb filters whereby a delay time is set to the delay device provided with each comb filter to flatten reverberation frequency and to remove high frequency in the rear part of reverberation. The multiplying coefficients are set to multipliers provided with each comb filter to obtain the common reverberation time in the rear part of reverberation to improve the quality of reverberation sounds.