JPS59152829U - input selection device - Google Patents
input selection deviceInfo
- Publication number
- JPS59152829U JPS59152829U JP1983047140U JP4714083U JPS59152829U JP S59152829 U JPS59152829 U JP S59152829U JP 1983047140 U JP1983047140 U JP 1983047140U JP 4714083 U JP4714083 U JP 4714083U JP S59152829 U JPS59152829 U JP S59152829U
- Authority
- JP
- Japan
- Prior art keywords
- input terminal
- count value
- counter circuit
- input
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Electronic Switches (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
第１．２図は、夫々本考案の入力選択装置を適用したテ
レビジョン受像機の一実施例を示す概略回路構成図及び
その入力選択装置の一実施例を示す回路図である。
１・・・入力選択装置、２・・・テレビジョン受像機、
３・・・信号入力回路、３０・・・アンテナ入力選択端
子、３１〜３ｎ・・・外部入力選択端子、４・・・テレ
ビアンテナ、５１〜５ｎ・・・外部機器、６・・・カウ
ンタ回路、６ａ・・・クロック入力端子、６ｂ・・・ク
リア入力端子、６Ｃ・・・ロード入力端子、６ｄ・・・
プリセット値入力端子、６ｅ・・・計数値出力端子、７
・・・順次選択スイッチ、δ・・・独立選択スイッチ、
９・・・デコーダ回路、９ｏ〜９ｎ＋１・・・出力端子
、１０・・・プリセット値入力回路。FIG. 1.2 is a schematic circuit diagram showing an embodiment of a television receiver to which the input selection device of the present invention is applied, and a circuit diagram showing an embodiment of the input selection device. 1... Input selection device, 2... Television receiver,
3...Signal input circuit, 30...Antenna input selection terminal, 31-3n...External input selection terminal, 4...TV antenna, 51-5n...External device, 6...Counter circuit , 6a... Clock input terminal, 6b... Clear input terminal, 6C... Load input terminal, 6d...
Preset value input terminal, 6e... Count value output terminal, 7
...Sequential selection switch, δ...Independent selection switch,
9... Decoder circuit, 9o-9n+1... Output terminal, 10... Preset value input circuit.
Claims (1)
プリセット値入力端子及び計数値出力端子を有するカウ
ンタ回路と、該カウンタ回路の計数値出力を供給され、
該計数値出力をデコードし、デコード結果に応じた入力
選択信号を出力するとともに、−のデコード結果を前記
ロード入力端子に供給するデコーダ回路と、前記プリセ
ット値入力端子に接続され、前記ロード入力端子への−
のデコード結果の供給とともに動作し、前記カウンタ回
路にプリセット値を入力するプリセット値入力回路と、
前記クロック入力端子に接続され、操作のたびにクロッ
ク入力を供給し、前記カウンタ回路の計数値を変更する
順次選択スイッチと、前記クリア入力端子に接続され、
操作のたびに前記カウンタ回路の計数値を零リセットす
る独立選択スイッチとから構成してなる入力選択装置。Clock input terminal, clear input terminal, load input terminal,
a counter circuit having a preset value input terminal and a count value output terminal; and a count value output of the counter circuit is supplied;
a decoder circuit that decodes the count value output, outputs an input selection signal according to the decoding result, and supplies a negative decoding result to the load input terminal; to-
a preset value input circuit that operates together with the supply of the decoding result and inputs a preset value to the counter circuit;
a sequential selection switch connected to the clock input terminal and supplying a clock input every time it is operated to change the count value of the counter circuit; and a sequential selection switch connected to the clear input terminal;
An input selection device comprising an independent selection switch that resets the count value of the counter circuit to zero each time it is operated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983047140U JPS59152829U (en) | 1983-03-30 | 1983-03-30 | input selection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983047140U JPS59152829U (en) | 1983-03-30 | 1983-03-30 | input selection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59152829U true JPS59152829U (en) | 1984-10-13 |
| JPH0247640Y2 JPH0247640Y2 (en) | 1990-12-14 |
Family
ID=30177691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983047140U Granted JPS59152829U (en) | 1983-03-30 | 1983-03-30 | input selection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59152829U (en) |
-
1983
- 1983-03-30 JP JP1983047140U patent/JPS59152829U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0247640Y2 (en) | 1990-12-14 |
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