JPS6454471U - - Google Patents
Info
- Publication number
- JPS6454471U JPS6454471U JP1987147617U JP14761787U JPS6454471U JP S6454471 U JPS6454471 U JP S6454471U JP 1987147617 U JP1987147617 U JP 1987147617U JP 14761787 U JP14761787 U JP 14761787U JP S6454471 U JPS6454471 U JP S6454471U
- Authority
- JP
- Japan
- Prior art keywords
- external input
- input terminal
- circuit
- signal
- common
- 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
- 238000010586 diagram Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Description
第１図は本考案の外部入力選択回路の一実施例
を示すブロツク図、第２図は本考案に使用するプ
ラグの外形図、第３図は本考案の外部入力選択回
路の他の実施例を示すブロツク図、第４図は本考
案の外部入力選択回路の従来例を示すブロツク図
である。
１……ジヤツク、２……高域通過フイルター、
３……低域通過フイルター、４……映像・音声受
信回路、５……音声増幅回路、６……色再生回路
、７……ロツドアンテナ。
Fig. 1 is a block diagram showing one embodiment of the external input selection circuit of the invention, Fig. 2 is an outline drawing of a plug used in the invention, and Fig. 3 is another embodiment of the external input selection circuit of the invention. FIG. 4 is a block diagram showing a conventional example of the external input selection circuit of the present invention. 1...jack, 2...high pass filter,
3...Low pass filter, 4...Video/audio receiving circuit, 5...Audio amplification circuit, 6...Color reproduction circuit, 7...Rod antenna.
Claims (1)
した複数の外部入力用のプラグと、 これらのプラグに共通に嵌合する嵌合部が形成
され各プラグに対応した前記信号を入力可能とす
る複数の端子を有する共通の外部入力端子と、 この外部入力端子の端子に印加される前記プラ
グごとに異なる信号を各信号に対応した特定の回
路に導出するための選択手段を具備したことを特
徴とする外部入力選択回路。 (2) 前記選択手段は、外部入力端子と入力した
信号を導出する特定の回路との間に設定された周
波数帯域フイルターで構成されたことを特徴とす
る実用新案登録請求の範囲第１項に記載の外部入
力選択回路。 (3) 前記選択手段は、電気的または機械的に外
部入力端子と特定の回路との接続を切替えるスイ
ツチ回路で構成されたことを特徴とする実用新案
登録請求の範囲第１項に記載の外部入力選択回路
。[Claims for Utility Model Registration] (1) A plurality of plugs for external input having the same shape of a fitting part that supplies different signals, and a fitting part that fits in common with these plugs, and each plug a common external input terminal having a plurality of terminals capable of inputting the signals corresponding to the signals; and a common external input terminal having a plurality of terminals capable of inputting the signals corresponding to the external input terminal, and a signal that is applied to the terminal of the external input terminal and which differs depending on the plug, is derived to a specific circuit corresponding to each signal. An external input selection circuit characterized by comprising selection means for. (2) According to claim 1 of the utility model registration claim, the selection means is comprised of a frequency band filter set between an external input terminal and a specific circuit that derives the input signal. External input selection circuit described. (3) The external device according to claim 1, wherein the selection means is constituted by a switch circuit that electrically or mechanically switches the connection between an external input terminal and a specific circuit. Input selection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987147617U JPS6454471U (en) | 1987-09-29 | 1987-09-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987147617U JPS6454471U (en) | 1987-09-29 | 1987-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6454471U true JPS6454471U (en) | 1989-04-04 |
Family
ID=31418186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987147617U Pending JPS6454471U (en) | 1987-09-29 | 1987-09-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6454471U (en) |
-
1987
- 1987-09-29 JP JP1987147617U patent/JPS6454471U/ja active Pending
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