JPS58173966U - Automatic switching termination circuit - Google Patents

Automatic switching termination circuit

Info

Publication number
JPS58173966U
JPS58173966U JP1982072513U JP7251382U JPS58173966U JP S58173966 U JPS58173966 U JP S58173966U JP 1982072513 U JP1982072513 U JP 1982072513U JP 7251382 U JP7251382 U JP 7251382U JP S58173966 U JPS58173966 U JP S58173966U
Authority
JP
Japan
Prior art keywords
terminals
automatic switching
signal line
termination circuit
plug
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.)
Granted
Application number
JP1982072513U
Other languages
Japanese (ja)
Other versions
JPS6236379Y2 (en
Inventor
清 藤原
龍児 橋本
Original Assignee
日本ビクター株式会社
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 日本ビクター株式会社 filed Critical 日本ビクター株式会社
Priority to JP1982072513U priority Critical patent/JPS58173966U/en
Publication of JPS58173966U publication Critical patent/JPS58173966U/en
Application granted granted Critical
Publication of JPS6236379Y2 publication Critical patent/JPS6236379Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Television Receiver Circuits (AREA)
  • Details Of Television Systems (AREA)

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 the drawing]

第１図は本考案回路の第１実施例の回路図、第２図及び
第３図は本考案回路をＢｒ付ＴＶ受像機に適用した場合
の使用状態を説明するための概略図、　　　□第４図は
本考案回路の第２実施例の回路図である。 １・・・Ｂｒ付ＴＶ受像機、２□、２□・・・ジャック
、３゜１０、．１０゜・・・終端抵抗、５，８・・・Ｖ
ＴＲ，５，９・・・プラグ、ａ、　　ｂ・・・常閉接点
。FIG. 1 is a circuit diagram of the first embodiment of the circuit of the present invention, and FIGS. 2 and 3 are schematic diagrams for explaining the usage state when the circuit of the present invention is applied to a TV receiver with Br. FIG. 4 is a circuit diagram of a second embodiment of the circuit of the present invention. 1...TV receiver with Br, 2□, 2□...Jack, 3°10, . 10°...Terminal resistance, 5,8...V
TR, 5, 9...Plug, a, b...Normally closed contact.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 信号ラインの両端に夫々常閉接点を有する端子を設け、
該接点を該信号ラインのホット側とアー′　　スとの間
に終端抵抗を介して接続し、該端子のいずれか一方にプ
ラグを挿入することにより該プラグを挿入された端子の
接点が開成され、かつ、他方の端子の接点が閉成されて
いることにより該信号ラインとアースとの間に該終端抵
抗が接続される一方、該２個の端子に夫々プラグを挿入
することにより該２個の端子とも該接点が開成されて該
信号ラインとアースとの間に該終端抵抗が接続されない
よう構成してなる自動切換終端回路。Terminals with normally closed contacts are provided at both ends of the signal line,
By connecting the contact between the hot side of the signal line and the ground via a terminating resistor, and inserting a plug into either of the terminals, the contact of the terminal into which the plug is inserted is opened. , and when the contact of the other terminal is closed, the terminating resistor is connected between the signal line and the ground, while the two terminals are connected by inserting a plug into each of the two terminals. an automatic switching terminating circuit configured such that the contacts of both terminals are opened and the terminating resistor is not connected between the signal line and ground.
JP1982072513U 1982-05-18 1982-05-18 Automatic switching termination circuit Granted JPS58173966U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1982072513U JPS58173966U (en) 1982-05-18 1982-05-18 Automatic switching termination circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982072513U JPS58173966U (en) 1982-05-18 1982-05-18 Automatic switching termination circuit

Publications (2)

Publication Number Publication Date
JPS58173966U true JPS58173966U (en) 1983-11-21
JPS6236379Y2 JPS6236379Y2 (en) 1987-09-16

Family

ID=30082074

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982072513U Granted JPS58173966U (en) 1982-05-18 1982-05-18 Automatic switching termination circuit

Country Status (1)

Country Link
JP (1) JPS58173966U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61267466A (en) * 1985-05-21 1986-11-27 Sharp Corp Signal input detecting circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61267466A (en) * 1985-05-21 1986-11-27 Sharp Corp Signal input detecting circuit

Also Published As

Publication number Publication date
JPS6236379Y2 (en) 1987-09-16

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