JPS6228377U - - Google Patents
Info
- Publication number
- JPS6228377U JPS6228377U JP12135185U JP12135185U JPS6228377U JP S6228377 U JPS6228377 U JP S6228377U JP 12135185 U JP12135185 U JP 12135185U JP 12135185 U JP12135185 U JP 12135185U JP S6228377 U JPS6228377 U JP S6228377U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- input
- output terminal
- bridge output
- circuit
- 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
Links
- 230000001681 protective effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Description
第１図は本考案の一実施例の回路図、第２図は
同実施例において出力ジヤツクに出力ケーブルを
接続した状態の回路図、第３図は従来例の回路図
、第４図は従来例において出力ジヤツクに出力ケ
ーブルを接続した状態の回路図、第５図ａ及びｂ
は警告回路へ入力される映像信号のレベルの適正
時及び不適正時の状態の信号波形図である。
１……入力ジヤツク、２……出力ジヤツク、３
……切換回路、４……警告回路、Ｒ３……保護抵
抗。
Figure 1 is a circuit diagram of an embodiment of the present invention, Figure 2 is a circuit diagram of the same embodiment with the output cable connected to the output jack, Figure 3 is a circuit diagram of a conventional example, and Figure 4 is a conventional circuit diagram. Circuit diagram with the output cable connected to the output jack in the example, Figures 5a and b
2A and 2B are signal waveform diagrams showing proper and improper levels of the video signal input to the warning circuit. 1...Input jack, 2...Output jack, 3
...Switching circuit, 4...Warning circuit, R3 ...Protection resistor.
Claims (1)
子より直接出力すると共に、前記ブリツジ出力端
子に出力ケーブルが接続されていないときに前記
ブリツジ出力端子に接続される保護抵抗と、前記
入力端子からの入力信号が入力される信号入力回
路を備えた電子機器において、前記信号入力回路
に入力される信号の電圧が所定の電圧以上である
時に警告を行なう警告回路を備えてなることを特
徴とする誤接続防止装置。 A protective resistor that directly outputs the signal input from the input terminal from the bridge output terminal, and that is connected to the bridge output terminal when an output cable is not connected to the bridge output terminal, and an input signal from the input terminal. An electronic device equipped with a signal input circuit into which a signal is inputted, characterized in that the electronic device is equipped with a warning circuit that issues a warning when the voltage of the signal inputted into the signal input circuit is equal to or higher than a predetermined voltage. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12135185U JPS6228377U (en) | 1985-08-06 | 1985-08-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12135185U JPS6228377U (en) | 1985-08-06 | 1985-08-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6228377U true JPS6228377U (en) | 1987-02-20 |
Family
ID=31010538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12135185U Pending JPS6228377U (en) | 1985-08-06 | 1985-08-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6228377U (en) |
-
1985
- 1985-08-06 JP JP12135185U patent/JPS6228377U/ja active Pending
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