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:
Apr. 17, 2007
Filed:
Nov. 20, 1998
Applicant:
Mark Alistair Poletti, Wellington, NZ;
Inventor:
Mark Alistair Poletti, Wellington, NZ;
Assignee:
Industrial Research Limited, Lower Hutt, NZ;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A musical instrument preamplifier system is provided which comprises a filtering means for splitting an input signal into two or more separate frequency bands comprising a similar phase response for each frequency band, two or more non-linear circuits, each of which distorts the input signal component of one of the frequency bands, and a summing network for recombining said frequency bands.