Methods and apparatus for variable harmonic distortion

Details Methods and apparatus for variable harmonic distortion Methods and apparatus for variable harmonic distortion

2006-12-05

2006-12-05

Mottola, Steven J. (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including push-pull amplifier

C330S122000, C330S269000

Reexamination Certificate

active

07145392

ABSTRACT:
Methods and apparatus for producing first and second drive signals from an input signal such that each drive signal is about 180 degrees out of phase with respect to the other; variably altering at least one of the first and second drive signals such that their respective magnitudes may be unbalanced to a varying degree; and producing an output signal from the first and second drive signals such that it includes harmonic distortion when the first and second drive signals are unbalanced.

REFERENCES:
patent: 2762874 (1956-09-01), Barco
patent: 4345502 (1982-08-01), Jahns
The Ultimate Tone, vol. 2, Systems Approach To Stage Sound Nirvana by Kevin O'Connor.
The Ultimate Tone, vol. 3, Generations of Tone by Kevin O'Connor.
The Ultimate Tone, vol. 5, Tone Capture by Kevin O'Connor.
Kevin O'Connor, TUT2 The Ultimate Tone vol. 2—Systems Approach to Stage Sound Nirvana, web page, 1997, ISBN 0-9698-6083-8, 2 pages.
Kevin O'Connor, TUT3 The Ultimate Tone vol. 3—Generations of Tone, web page, 2002, ISBN 0-9698-6088-9, 2 pages.
Kevin O'Connor, TUT5 The Ultimate Tone vol. 5—Tone Capture, web page, 2004, ISBN 0-9698-6089-7, 2 pages.
True Blue; Review Amplifier; Sheldon Truetone 3; Guitar Buyer; May, 2004; 3 pages.

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