JPS633671U - - Google Patents
Info
- Publication number
- JPS633671U JPS633671U JP9700586U JP9700586U JPS633671U JP S633671 U JPS633671 U JP S633671U JP 9700586 U JP9700586 U JP 9700586U JP 9700586 U JP9700586 U JP 9700586U JP S633671 U JPS633671 U JP S633671U
- Authority
- JP
- Japan
- Prior art keywords
- switching circuit
- clamp circuits
- signals
- figures
- utility
- 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 7
- 230000004888 barrier function Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Studio Circuits (AREA)
- Color Television Image Signal Generators (AREA)
Description
第１，２図はこの考案の一実施例としての信号
切替回路装置を示すもので、第１図はその電気回
路図、第２図ａ〜ｅはいずれもその作用を説明す
るための波形図であり、第３，４図はこの考案の
他の実施例としての信号切替回路装置を示すもの
で、第３図はその電気回路図、第４図ａ〜ｄはい
ずれもその作用を説明するための波形図であり、
第５〜７図は従来の信号切替回路装置を示すもの
で、第５図はその原理図、第６図はその電気回路
図、第７図ａ〜ｆはいずれもその作用を説明する
ための波形図である。
図において、１，２……入力端子、３……クラ
ンプパルス入力端子、４，５……コンデンサ、６
，７……トランジスタ、８……基準電源、９……
切替スイツチ、１０，１０Ａ，１０Ｂ……高入力
インピーダンスバツフア回路を構成するトランジ
スタ、１１，１１Ａ，１１Ｂ……出力端子、２０
……入力端子、２１……１水平時間遅延回路、２
２，２３……トランジスタ、９１，９２……切替
スイツチ、Ｃ１，Ｃ２……クランプ回路。なお、
図中、同一符号は同一、又は相当部分を示す。
Figures 1 and 2 show a signal switching circuit device as an embodiment of this invention. Figure 1 is its electric circuit diagram, and Figures 2 a to 2e are waveform diagrams for explaining its operation. 3 and 4 show a signal switching circuit device as another embodiment of this invention, FIG. 3 is its electric circuit diagram, and FIGS. 4 a to 4 d each explain its operation. This is a waveform diagram for
Figures 5 to 7 show a conventional signal switching circuit device. Figure 5 is its principle diagram, Figure 6 is its electric circuit diagram, and Figures 7 a to f are diagrams for explaining its operation. FIG. In the figure, 1, 2...input terminal, 3...clamp pulse input terminal, 4, 5...capacitor, 6
, 7...Transistor, 8...Reference power supply, 9...
Changeover switch, 10, 10A, 10B...Transistor constituting a high input impedance buffer circuit, 11, 11A, 11B...Output terminal, 20
...Input terminal, 21...1 Horizontal time delay circuit, 2
2, 23...transistor, 91, 92...changeover switch, C1, C2...clamp circuit. In addition,
In the figures, the same reference numerals indicate the same or corresponding parts.
補正 昭６２．７．２１
実用新案登録請求の範囲を次のように補正する
。Amendment July 21, 1986 The scope of claims for utility model registration is amended as follows.
【実用新案登録請求の範囲】
複数の信号をそれぞれ受ける複数のクランプ回
路と、これらのクランプ回路からの信号を適宜切
り替えて出力する切替回路とをそなえ、同切替回
路の出力側に高入力インピーダンスバツフア回路
が上記複数のクランプ回路の共通のバツフアとし
て設けられたことを特徴とする信号切替回路装置
。[Claim for Utility Model Registration] A utility model comprising a plurality of clamp circuits each receiving a plurality of signals and a switching circuit that appropriately switches and outputs the signals from these clamp circuits, and has a high input impedance barrier on the output side of the switching circuit. A signal switching circuit device characterized in that a buffer circuit is provided as a common buffer for the plurality of clamp circuits .
Claims (1)
路と、これらのクランプ回路からの信号を適宜切
り替えて出力する切替回路とをそなえ、同切替回
路の出力側に高入力インピーダンスバツフア回路
が設けられたことを特徴とする信号切替回路装置
。 It is equipped with multiple clamp circuits that each receive multiple signals, and a switching circuit that appropriately switches and outputs the signals from these clamp circuits, and a high input impedance buffer circuit is provided on the output side of the switching circuit. Characteristic signal switching circuit device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9700586U JPS633671U (en) | 1986-06-24 | 1986-06-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9700586U JPS633671U (en) | 1986-06-24 | 1986-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS633671U true JPS633671U (en) | 1988-01-11 |
Family
ID=30963460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9700586U Pending JPS633671U (en) | 1986-06-24 | 1986-06-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS633671U (en) |
-
1986
- 1986-06-24 JP JP9700586U patent/JPS633671U/ja active Pending
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