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Integrated reception system

A receiving system, a technology for receiving signals, applied in the direction of transmission systems, independent non-interacting antenna combinations, electrical components, etc., to reduce the processing load

Inactive Publication Date: 2010-10-06
FUJITSU GENERAL LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, in general, since a high-frequency signal or an intermediate-frequency signal has a large amount of data, a high transmission rate for transmitting a large amount of data is required, so it is considered that the demodulation device in the subsequent stage cannot be performed if the high transmission rate cannot be maintained. demodulation

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] (Configuration of the integrated receiving system involved in Example 1)

[0029] First, use figure 1 The configuration of the integrated receiving system according to Embodiment 1 will be described. figure 1 It is a diagram showing a configuration example of the integrated receiving system according to the first embodiment.

[0030] Such as figure 1 As shown, the integrated receiving system according to Embodiment 1 includes a plurality of coaxial connectors 10, a plurality of coaxial cords 20, a terminator 30, a plurality of integrated antenna devices 100a to 100n, and an integrated signal processing device 150.

[0031] In addition, such as figure 2 As shown, when the integrated receiving system according to Embodiment 1 is mounted on a vehicle, for example, each coaxial connector 10 is arranged in figure 2 The positions indicated by the black dots, that is, near the installation positions of the integrated antenna devices 100 a to 100 n, the integrated antenna devices 100...

Embodiment 2

[0054] However, in the above-mentioned first embodiment, although the integrated receiving system having a plurality of integrated antenna devices 100a to 100n has been described, it is also possible to arrange integrated antenna devices in one place.

[0055] Therefore, in Example 2 below, use image 3 An integrated receiving system in which integrated antenna devices are arranged in one place will be described.

[0056] (Configuration of the integrated receiving system involved in Example 2)

[0057] use image 3 The configuration of the integrated receiving system according to the second embodiment will be described. image 3 It is a diagram showing a configuration example of the integrated receiving system according to the second embodiment. In addition, in image 3 Here, the same components as those of the integrated reception system according to the first embodiment are given the same reference numerals. Hereinafter, the description of the same processing as that of the integr...

Embodiment 3

[0066] However, in the second embodiment, although an integrated reception system in which integrated antenna devices are concentrated in one place has been described, there are cases where it is preferable to arrange antennas separately in a signal system received by antennas. In addition, the case where it is preferable to arrange the antennas separately from each other is, for example, the case where a diversity structure in which a plurality of antennas are arranged contributes to the reception of a digital TV or the like that improves the reception sensitivity.

[0067] Therefore, in the following example 3 Figure 4 and Figure 5 The case where the antennas are arranged separately from each other will be described.

[0068] (Configuration of the integrated receiving system involved in Example 3)

[0069] use Figure 4 The configuration of the integrated receiving system according to the third embodiment will be described. Figure 4 It is a diagram showing a configuration exampl...

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PUM

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Abstract

An integrated reception system includes an integrated antenna device and an integrated-signal processing device. The integrated antenna device fed with power from the integrated-signal processing device converts a high frequency signal received by an antenna for receiving a plurality of signals of different signal systems into a digital signal, demodulates the converted digital signal, multiplexes digital demodulated signals which are demodulated, modulates the high frequency signal based on the multiplexed demodulated signal, attenuates the modulated high frequency signal by a predetermined amount of attenuation, and outputs the attenuated signal. The integrated-signal processing device demodulates the high frequency signal, separates the demodulated signal into demodulated signals each digitized for each of the signal systems, and outputs the separated demodulated signal.

Description

Technical field [0001] The invention relates to an integrated receiving system. Background technique [0002] Conventionally, an integrated receiving system is known in which signals of multiple systems received from multiple media such as AM, FM, and digital TV are digitized or multiplexed in a housing as an integrated antenna device that integrates antennas. After multiplexing, etc., it is transmitted, and the transmitted signal is demodulated in a housing as a demodulation device. [0003] And, for example, when the integrated receiving system is installed on a vehicle, the demodulated signal is output as a video signal or audio signal to a monitor (for example, a liquid crystal display or touch panel, etc.) or a speaker installed on the vehicle. Wait for the output device. [0004] In addition, the housing as the integrated antenna device is arranged near the antenna, and the housing as the demodulation device is arranged in an in-vehicle device or the like mounted in the vehic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B1/06H01Q21/00
CPCH01Q21/28H01Q1/325
Inventor 筒井浩一河合健史三好绘里长谷川晋中原裕隆
Owner FUJITSU GENERAL LTD