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Priority to JP1987096273UpriorityCriticalpatent/JPS643374U/ja
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第１図は本考案の一実施例の回路図である。
FIG. 1 is a circuit diagram of an embodiment of the present invention.
Claims (1)
【実用新案登録請求の範囲】[Scope of utility model registration request] ＶＴＲ等の外部映像機器と接続するための入出 力兼用端子を有する映像機器において、被接続端 子のインピーダンスを検出する検出器と、前記検 出器の出力信号に応じて前記入出力兼用端子を入 力回路又は出力回路に接続させる切換スイツチと を備えてなる入出力自動判別端子。 In a video device having an input/output terminal for connecting to an external video device such as a VTR, a detector for detecting the impedance of the connected terminal and an input circuit that connects the input/output terminal according to the output signal of the detector. Or an input/output automatic discrimination terminal equipped with a changeover switch for connecting to an output circuit.