Semiconductor integrated circuit for audio system

Details Semiconductor integrated circuit for audio system Semiconductor integrated circuit for audio system

2007-06-26

2007-06-26

Dinh, Tan (Department: 2627)

Dynamic information storage or retrieval

Combined independent audio systems

Radio

C369S002000

Reexamination Certificate

active

10683209

ABSTRACT:
A semiconductor integrated circuit for an audio system includes a playback processing section for playing back at least an optical disk, a frequency measurement circuit for measuring a frequency of a radio signal from a tuner, a display control circuit for making a display device display at least the frequency of the radio signal, and a controller for controlling the playback processing section, the frequency measurement circuit, and the display control circuit, according to an external signal. The playback processing section, the frequency measurement circuit, the display control circuit, and the controller are formed on a single semiconductor chip.

REFERENCES:
patent: 5633837 (1997-05-01), Gantt
patent: 6674692 (2004-01-01), Holland
patent: 2002-229539 (2002-08-01), None
patent: 2002-313072 (2002-10-01), None

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