Digital/analog common tuner

Details Digital/analog common tuner Digital/analog common tuner

2006-05-23

2006-05-23

Hsia, Sherrie (Department: 2614)

Television

Receiver circuitry

Tuning

C348S726000, C348S735000

Reexamination Certificate

active

07050119

ABSTRACT:
Circuits and buses directed to analog signal processing are accommodated in a cabinet functioning as an electromagnetic shielding. Circuits and buses directed to digital signal processing are disposed outside the cabinet. In order to minimize generation of noise from the bus through which digital data is transmitted, a microprocessor combines a plurality of signals and data as digital data for output onto a bus from one I/O port. A decoder that receives and separates the combined data is provided in the cabinet. Data is transferred between the microprocessor and the decoder through one bus. As a result, a digital/analog common tuner has the influence of noise generated from a digital signal processing system on the analog signal processing system suppressed, improving the reception properties.

REFERENCES:
patent: 6016170 (2000-01-01), Takayama et al.
patent: 6343209 (2002-01-01), Maeda et al.
patent: 6757029 (2004-06-01), Kurihara
patent: 8-181556 (1996-07-01), None
patent: 10-242883 (1998-09-01), None
patent: 11-341375 (1999-12-01), None
patent: 2001-044870 (2001-02-01), None
patent: 2002-000135 (2004-07-01), None

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