Apparatus for electroacoustic energy conversion

Details Apparatus for electroacoustic energy conversion Apparatus for electroacoustic energy conversion

1982-08-23

1985-02-19

George, Keith E.

Electrical audio signal processing systems and devices

Including frequency control

Having automatic equalizer circuit

333 28T, H04R 304

Patent

active

045010153

ABSTRACT:
The present invention relates to apparatus for electroacoustic energy conversion and particularly to a conversion apparatus comprising a channel for an electrical signal to be converted, said channel comprising in series connection signal processing circuitry for processing said electrical signal and having in sequence a power amplifier and an electroacoustic transducer, such as a loudspeaker. In accordance with the teachings of the present invention an electroacoustic energy converter apparatus is provided which introduces emphasis in a signal frequency range from 50 kHz up, preferably directly before delivering the signal to the power amplifier stage.

REFERENCES:
patent: Re29529 (1978-01-01), Heaslett
patent: 3646270 (1972-02-01), Shiga et al.
patent: 4052560 (1977-10-01), Santmann
patent: 4071782 (1978-01-01), Vidovic
patent: 4074070 (1978-02-01), Gaus
patent: 4176329 (1979-11-01), Moskowitz
patent: 4340778 (1982-07-01), Cowans et al.
"The American Heritage Dictionary of the English Language," Houfflin Mifflin, Co., Boston Mass. 1976, p. 86.
"Van Nostrand's Scientific Encyclopedia," Fifth Edition, Van Nostrand Reinhold Co., N.Y., 1976, p. 234.
Prensky, "Manual of Linear Integrated Circuits," pp. 70-72, Reston Publishing Co., Reston Va., 1974.
Hnatek, "Applications of Linear Integrated Circuits," pp. 57-59, 204-205, Wiley-Intescience Publishing, N.Y., 1975.

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