Electrical audio signal processing systems and devices – Switching
Reexamination Certificate
2006-10-31
2006-10-31
Chin, Vivian (Department: 2644)
Electrical audio signal processing systems and devices
Switching
C700S094000, C381S077000, C348S705000, C386S349000
Reexamination Certificate
active
07130435
ABSTRACT:
The invention provides a component selection control system comprising signal output components2to5, signal input components4, 5, and an amplifier unit1having these components2to5connected thereto. The signal output components2to5have respective on-off switches23, 33, 44, 54provided on signal output lines73to76for delivering audio signals to the amplifier unit1therethrough, and the amplifier unit1has a common input terminal g. The signal output lines73to76of the output components2to5are connected to one another at a point connected to a common signal line71, which is connected to the common input terminal g of the amplifier unit1. This arrangement greatly reduces the numbers of signal lines and terminals required for connecting the components2to5to the amplifier unit1.
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Copy of Japanese Office Action dated Sep. 24, 2003.
Arikuma Shoji
Toda Hideharu
Armstrong, Kratz, Quintos Hanson & Brooks, LLP.
Chin Vivian
Lao Lun-See
Sanyo Electric Co,. Ltd.
Sanyo Technosound Co. Ltd.
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