High frequency signal receiving apparatus

A technology for receiving equipment and high-frequency signals, which can be used in image communication, TV, color TV parts, etc., and can solve the problem of not being able to receive and demodulate terrestrial analog TV broadcasts or FM radio broadcasts, etc.

Inactive Publication Date: 2005-12-28
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Although it is possible to make small and thin tuner modules for digital mobile TV broadcasting, tuner modules for digital mobile TV broadcasting do not have the characteristics to receive and demodulate terrestrial analog TV broadcasts or FM radio broadcasts

Method used

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Embodiment Construction

[0033] Embodiments of the high-frequency signal receiving device according to the present invention will be described below with reference to the accompanying drawings. The following embodiments will be described with reference to a case where the present invention is applied to a cellular phone.

[0034] [Systems with tuner module installed]

[0035] figure 1 is an illustrative block diagram of a cellular phone. In the cellular phone, a tuner module 1 to which an embodiment of the high-frequency signal receiving device according to the present invention is applied is installed. Such as figure 1 As shown, the cellular phone related to this embodiment has a transmitting / receiving antenna ANT-D for communication, a cellular phone module 9, a telephone receiver 9a, and a telephone transmitter 9b, and the module 9 has, for example, a receiving circuit, a transmitting circuit, Baseband processing section, sound codec, key operation section, and control circuit.

[0036] With thi...

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PUM

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Abstract

A high frequency signal receiving apparatus for a portable electronic device, having a first tuner section, receives a terrestrial digital television broadcast signal, selects a channel of the received signal, and demodulates a signal of the selected channel. The device also has a second tuner section that selectively receives a terrestrial analog television broadcast signal or an FM radio broadcast signal, selects a channel for receiving the signal, and demodulates the signal of the selected channel. In addition to the first tuner section which features reception of terrestrial digital broadcasts, a second tuner section which features reception of terrestrial analog television broadcasts or FM radio broadcasts is provided.

Description

technical field [0001] The present application contains subject matter related to Japanese Patent Application No. 2004-184415 filed in Japan Patent Office on Jun. 23, 2004, the entire content of which is hereby incorporated by reference. [0002] The present invention relates to high-frequency signal receiving equipment mounted on various so-called mobile devices (portable electronic devices), including cellular phones, known as Personal Digital Assistants (PDAs) or Similar portable information devices, and laptop computers. technical background [0003] Electronic devices such as personal computers or video cameras equipped with displays such as liquid crystal displays (LCDs) or speakers are widely used. By installing a TV broadcast receiving feature on these electronic devices, their practical application range can be expanded. However, electronic devices such as personal computers or video cameras do not always require such television broadcast reception characteristics...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B1/06H04B1/16H04B1/38H04N5/44H04N5/46H04N5/60
CPCH04B1/3805H04N5/38H04N5/4446H04N5/46H04N5/60H04N21/41407H04N21/426H04N21/42638H04N21/4382H04N21/4383H04B1/06H04B1/16
Inventor 前岛和彦山内俊之
Owner SONY CORP
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