Class D hearing aid amplifier with feedback

Electrical audio signal processing systems and devices – Sound effects – Reverberators

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

381 68, 330251, H04R 2500

Patent

active

058155813

ABSTRACT:
An improved hearing aid amplifier circuit employs a Class D amplifier which includes an output to input feedback loop to minimize distortion, stabilize gain, and simplify the design requirements for several circuit elements of the Class D amplifier.

REFERENCES:
patent: 4178556 (1979-12-01), Attwood
patent: 4191856 (1980-03-01), Nagano et al.
patent: 4415863 (1983-11-01), Tokumo
patent: 4523156 (1985-06-01), Sauer
patent: 4592087 (1986-05-01), Killion
patent: 4595885 (1986-06-01), Prieto et al.
patent: 4649565 (1987-03-01), Kaizer et al.
patent: 4689819 (1987-08-01), Killion
patent: 4731850 (1988-03-01), Levitt et al.
patent: 4739511 (1988-04-01), Hori et al.
patent: 4887299 (1989-12-01), Cummins et al.
patent: 4888810 (1989-12-01), Preves
patent: 4934770 (1990-06-01), Anderson et al.
patent: 4982317 (1991-01-01), Mauthe
patent: 5083312 (1992-01-01), Newton et al.
patent: 5111506 (1992-05-01), Charpentier et al.
patent: 5117201 (1992-05-01), Luther
patent: 5144674 (1992-09-01), Meyer et al.
patent: 5247581 (1993-09-01), Gurcan
patent: 5276739 (1994-01-01), Krokstad et al.
patent: 5278912 (1994-01-01), Waldhauer
patent: 5285169 (1994-02-01), Theus
patent: 5317640 (1994-05-01), Callias
patent: 5321758 (1994-06-01), Charpentier et al.
patent: 5378933 (1995-01-01), Pfannenmueller et al.
patent: 5387875 (1995-02-01), Tateno
patent: 5389829 (1995-02-01), Milazzo
patent: 5410265 (1995-04-01), Jain et al.
patent: 5410592 (1995-04-01), Wagner et al.
patent: 5432475 (1995-07-01), Fukahori
J. Bareford, (Jan. 1989), "Class-D Amplifier", Elektor Electronics 15(166):19-21.
J.D. Sherman, (Jan. 1995), "Class D Amplifiers Provide High Efficiency for Audio Systems", EDN Electrical Design News 40(11):103-106, 108, 110.
R.S. Burwen, "Kilowatts On Order", IEEE Spectrum, pp. 32-37 (Jan. 1993).

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Class D hearing aid amplifier with feedback does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Class D hearing aid amplifier with feedback, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Class D hearing aid amplifier with feedback will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-693904

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.