JPS6454424U - - Google Patents
Info
- Publication number
- JPS6454424U JPS6454424U JP14944887U JP14944887U JPS6454424U JP S6454424 U JPS6454424 U JP S6454424U JP 14944887 U JP14944887 U JP 14944887U JP 14944887 U JP14944887 U JP 14944887U JP S6454424 U JPS6454424 U JP S6454424U
- Authority
- JP
- Japan
- Prior art keywords
- input terminal
- supplied
- selection means
- signal
- input
- 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
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Electronic Switches (AREA)
Description
第1図は、本考案による入力信号切換装置の一
実施例を示すブロツク図、第2図は、第1図に示
す回路動作を説明するフローチヤートである。
1……入力端子、2……入力端子、3……入力
端子、10……スイツチ回路、11……スイツチ
回路、12……スイツチ回路、13……リングカ
ウンター、14……インターフエース回路、15
……CPU回路、16……出力端子、17……操
作ボタン。
FIG. 1 is a block diagram showing an embodiment of an input signal switching device according to the present invention, and FIG. 2 is a flow chart explaining the operation of the circuit shown in FIG. 1... Input terminal, 2... Input terminal, 3... Input terminal, 10... Switch circuit, 11... Switch circuit, 12... Switch circuit, 13... Ring counter, 14... Interface circuit, 15
...CPU circuit, 16...output terminal, 17...operation button.
Claims (1)
れていることを検出する検出手段と、前記複数の
入力端子に供給された信号の何れか1つを選択し
て出力する選択手段とを有し、該選択手段が信号
の供給されていない前記入力端子を選択したとき
には、前記検出手段の出力によつて他の前記入力
端子を選択するように切り換えることを特徴とす
る入力信号切換装置。 It has a plurality of input terminals, a detection means for detecting that a signal is supplied to the input terminal, and a selection means for selecting and outputting one of the signals supplied to the plurality of input terminals. An input signal switching device characterized in that when the selection means selects the input terminal to which no signal is supplied, the selection means switches to select another input terminal according to the output of the detection means.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14944887U JPS6454424U (en) | 1987-09-30 | 1987-09-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14944887U JPS6454424U (en) | 1987-09-30 | 1987-09-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6454424U true JPS6454424U (en) | 1989-04-04 |
Family
ID=31421688
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14944887U Pending JPS6454424U (en) | 1987-09-30 | 1987-09-30 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6454424U (en) |
-
1987
- 1987-09-30 JP JP14944887U patent/JPS6454424U/ja active Pending