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Patent Searching and Data


Title:
CHANNEL SELECTION APPARATUS
Document Type and Number:
Japanese Patent JP2005079698
Kind Code:
A
Abstract:

To provide a channel selection apparatus capable of selecting both analog and digital broadcast programs by a simple configuration concerning the channel selection apparatus selecting a desired channel from a television broadcast wave.

The channel selection apparatus (101) for selecting a desired channel from a broadcast wave includes: channel selection circuits (111 to 114) each selecting the desired channel from a frequency band including the digital broadcast wave and the analog broadcast wave; and a switch circuit (115) that outputs output signals from the channel selection circuits (111 to 114) to a digital broadcast data processing system (116) when the channel selected by the channel selection circuits (111 to 114) is a channel of the digital broadcast wave and outputs output signals from the channel selection circuits (111 to 114) to an analog broadcast data processing system (117) when the channel selected by the channel selection circuits (111 to 114) is a channel of the analog broadcast wave.


Inventors:
MIYAJIMA YOSHINARI
YAMAMOTO TOSHINARI
Application Number:
JP2003305142A
Publication Date:
March 24, 2005
Filing Date:
August 28, 2003
Export Citation:
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Assignee:
MITSUMI ELECTRIC CO LTD
International Classes:
H04B1/16; H04N5/44; H04N5/46; (IPC1-7): H04N5/44; H04B1/16; H04N5/46
Attorney, Agent or Firm:
Tadahiko Ito