Deep bass sound booster device

Details Deep bass sound booster device Deep bass sound booster device

2005-07-19

2005-07-19

Tran, Sinh (Department: 2644)

Electrical audio signal processing systems and devices

Switching

C381S074000, C381S309000

Reexamination Certificate

active

06920224

ABSTRACT:
A deep bass sound booster device comprises a high-pass filter to which an input sound signal is fed and which permits only a frequency component higher than a predetermined frequency to pass through so as to output a resulting signal, a bass booster to which the input sound signal is fed and which amplifies only a frequency component lower than the predetermined frequency and attenuates another frequency component so as to output a resulting signal, a switch to which the signal output from the bass booster is fed at one end and which, when turned on, outputs that signal at another end, and an adder to which the signal output from the high-pass filter is fed and to which the signal output from the switch is fed, the adder adding together those two signals and outputting a resulting signal.

REFERENCES:
patent: 4739514 (1988-04-01), Short et al.
patent: 4980915 (1990-12-01), Ishikawa
patent: 5581626 (1996-12-01), Palmer
patent: 6285767 (2001-09-01), Klayman
patent: 2153187 (1985-08-01), None

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