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Cable modem moudel unit and electronic unit

A modem and modular unit technology, applied in electrical components, cable transmission adaptation, television and other directions, can solve problems such as introduction

Inactive Publication Date: 2007-05-02
KK TOSHIBA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However in this KOKAI publication there is no description about the introduction of the housing in which the modules of the receiving system and the transmitting system are provided into the intended electronic unit

Method used

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  • Cable modem moudel unit and electronic unit
  • Cable modem moudel unit and electronic unit
  • Cable modem moudel unit and electronic unit

Examples

Experimental program
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Embodiment Construction

[0026] An embodiment of the present invention will be described in more detail below with reference to the accompanying drawings. Fig. 1 shows a schematic structure of a CATV broadcasting system described in conjunction with an embodiment. Reference numeral 11 in Fig. 1 designates a central CATV station.

[0027] The central CATV station 11 is connected through a CATV cable 12 to a CATV terminal unit 14 installed in each user's home 13 . Furthermore, the central CATV station 11 is connected to various information networks 15, including for example the Internet.

[0028] The CATV terminal unit 14 has a function of performing channel selection processing on various programs transmitted from the central CATV station 11, and performing demodulation processing on various information such as video, audio and character information from the programs of the selected channels. Various such information demodulated at the CATV terminal unit 14 are output to the TV receiver 16 for audio-...

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PUM

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Abstract

A cable modem module unit includes a tuner section configured with an analog signal processing unit for transmitting / receiving a high frequency signal via a coaxial connector, a first shield case configured to hold the tuner section therein with the coaxial connector externally exposed, a circuit board having the first shield case thereon and configured to provide a digital signal processing section including a memory for allowing the inputting and outputting of digital data, the digital signal processing section performing digital processing on a signal input to and output from the tuner section, and a second shield case configured to hold the circuit board and first shield case therein with the coaxial connector externally exposed, on the same plane of the circuit board, the coaxial connector and memory being located in an opposed relation with the first shield case in between.

Description

technical field [0001] The present invention relates to a cable modem module unit providing an interface to a network using eg CATV (Cable TV) lines. Furthermore, the invention also relates to an electronic unit into which the above-mentioned cable modem module unit is incorporated. Background technique [0002] As is known in the art, cable modem units have been developed as an interface for connecting an electronic unit, eg a user's PC (Personal Computer), to a network eg using CATV lines. This cable modem unit is currently manufactured as a stand-alone unit directly handled by the user, that is to say as a separate product from the electronics unit. [0003] Typically, cable modem units are equipped with an RF (Radio Frequency) coaxial connector on the rear panel for connection to the CATV trunk, an Ethernet connector or socket for connection to a PC, etc., for resetting the device to its initial state Reset switch, power connector for receiving power, etc. [0004] In...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/00H04N7/10H04B1/08H04N7/16H04N21/426H04N21/61
CPCA63F13/12H04N7/17309A63F2300/409A63F13/338H04N21/42676
Inventor 安部修二工藤雄也矶田勉大澤昌已藤原幹根
Owner KK TOSHIBA