JPS5888471U - Communication device - Google Patents

Communication device

Info

Publication number
JPS5888471U
JPS5888471U JP18364481U JP18364481U JPS5888471U JP S5888471 U JPS5888471 U JP S5888471U JP 18364481 U JP18364481 U JP 18364481U JP 18364481 U JP18364481 U JP 18364481U JP S5888471 U JPS5888471 U JP S5888471U
Authority
JP
Japan
Prior art keywords
circuit
receiving
level
communication device
reception
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
JP18364481U
Other languages
Japanese (ja)
Inventor
茂 金子
星 史郎
Original Assignee
株式会社日立製作所
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 by 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP18364481U priority Critical patent/JPS5888471U/en
Publication of JPS5888471U publication Critical patent/JPS5888471U/en
Pending legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第1図は通信ケーブルの伝送特性の一例を示すケーブル
伝送特性図、第2図は本考案の一実施例である通信回路
の機能構成図である。 1・・・送信回路、2・・・通信ケーブル、3.4・・
・受−信器、5・・・受信レベル判定回路、6・・・一
時記憶部、7・・・受信回路1.8・・・高レベル信号
、9・・・通信完了信号。
FIG. 1 is a cable transmission characteristic diagram showing an example of the transmission characteristics of a communication cable, and FIG. 2 is a functional configuration diagram of a communication circuit that is an embodiment of the present invention. 1... Transmission circuit, 2... Communication cable, 3.4...
- Receiver, 5... Reception level determination circuit, 6... Temporary storage section, 7... Receiving circuit 1.8... High level signal, 9... Communication completion signal.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 受信レベルをかえられる受信回路と受信レベルを判定す
る受信レベル判定回路と、前記判定結果を保持する一時
記憶部と送信回路と送信回路・受信回路間を接続する通
信ケーブルより成る通信方式において、受信レベル判定
回路の出力によって受信回路の受信レベルをかえ、常に
最良のレベルで受信することにより長距離伝送を可能に
することを特徴とする通信装置。
In a communication system consisting of a receiving circuit that can change the receiving level, a receiving level judgment circuit that judges the receiving level, a temporary storage section that holds the judgment result, and a communication cable that connects the transmitting circuit and the transmitting circuit and the receiving circuit. A communication device characterized in that the reception level of a reception circuit is changed according to the output of a level determination circuit, and long-distance transmission is enabled by always receiving at the best level.
JP18364481U 1981-12-11 1981-12-11 Communication device Pending JPS5888471U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18364481U JPS5888471U (en) 1981-12-11 1981-12-11 Communication device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18364481U JPS5888471U (en) 1981-12-11 1981-12-11 Communication device

Publications (1)

Publication Number Publication Date
JPS5888471U true JPS5888471U (en) 1983-06-15

Family

ID=29983094

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18364481U Pending JPS5888471U (en) 1981-12-11 1981-12-11 Communication device

Country Status (1)

Country Link
JP (1) JPS5888471U (en)

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