JPS63183774U - - Google Patents

Info

Publication number
JPS63183774U
JPS63183774U JP1987074076U JP7407687U JPS63183774U JP S63183774 U JPS63183774 U JP S63183774U JP 1987074076 U JP1987074076 U JP 1987074076U JP 7407687 U JP7407687 U JP 7407687U JP S63183774 U JPS63183774 U JP S63183774U
Authority
JP
Japan
Prior art keywords
data
pass filter
terminal
pass
signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP1987074076U
Other languages
Japanese (ja)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1987074076U priority Critical patent/JPS63183774U/ja
Publication of JPS63183774U publication Critical patent/JPS63183774U/ja
Pending legal-status Critical Current

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Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の一実施例に係わるＣＡＴＶ線
路用データ伝送装置を示す接続構成図である。 ＲＦ―ＲＦ……伝送線路、Ｄ１〜Ｄ６……フオ
トカプラ、ＣＨ１〜ＣＨ４……ローパスフイルタ
、Ｃ１〜Ｃ３……ハイパスフイルタ。 FIG. 1 is a connection configuration diagram showing a data transmission device for CATV lines according to an embodiment of the present invention. RF-RF...transmission line, D1 - D6 ...photocoupler, CH1 - CH4 ...low-pass filter, C1 - C3 ...high-pass filter.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ＣＡＴＶシステムの信号伝送路を介しセンタ側
と端末側とでデータ伝送を行なうＣＡＴＶ線路用
データ伝送装置において、センタ側及び端末側そ
れぞれに設けられデータ信号を通過させテレビ信
号を阻止するローパスフイルタと、上記信号伝送
路上における端部及び端末ユニツトの入出力端子
間に設けられテレビ信号を通過させデータ信号を
阻止するハイパスフイルタと、上記センタ及び端
末ユニツトにおけるローパスフイルタにその一次
側及び２次側が直列接続されるフオトカプラとを
具備したことを特徴とするＣＡＴＶ線路用データ
伝送装置。 In a data transmission device for a CATV line that transmits data between a center side and a terminal side via a signal transmission path of a CATV system, a low-pass filter is provided on each of the center side and the terminal side to pass data signals and block television signals; A high-pass filter is provided between the end of the signal transmission path and the input/output terminal of the terminal unit to pass the television signal and block the data signal, and its primary and secondary sides are connected in series to the low-pass filter at the center and terminal unit. A data transmission device for a CATV line, characterized in that it is equipped with a photocoupler.
JP1987074076U 1987-05-18 1987-05-18 Pending JPS63183774U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987074076U JPS63183774U (en) 1987-05-18 1987-05-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987074076U JPS63183774U (en) 1987-05-18 1987-05-18

Publications (1)

Publication Number Publication Date
JPS63183774U true JPS63183774U (en) 1988-11-25

Family

ID=30918971

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987074076U Pending JPS63183774U (en) 1987-05-18 1987-05-18

Country Status (1)

Country Link
JP (1) JPS63183774U (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5081424A (en) * 1973-11-19 1975-07-02
JPS53132938A (en) * 1977-04-25 1978-11-20 Matsushita Electric Ind Co Ltd Two-way data transmitter
JPS5754359U (en) * 1980-09-13 1982-03-30

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5081424A (en) * 1973-11-19 1975-07-02
JPS53132938A (en) * 1977-04-25 1978-11-20 Matsushita Electric Ind Co Ltd Two-way data transmitter
JPS5754359U (en) * 1980-09-13 1982-03-30

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