JPS61189670U - - Google Patents
Info
- Publication number
- JPS61189670U JPS61189670U JP7199885U JP7199885U JPS61189670U JP S61189670 U JPS61189670 U JP S61189670U JP 7199885 U JP7199885 U JP 7199885U JP 7199885 U JP7199885 U JP 7199885U JP S61189670 U JPS61189670 U JP S61189670U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- constant current
- character
- graphic
- signal
- 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
- 230000000295 complement effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Studio Circuits (AREA)
Description
第１図は本考案に係わる加算回路の実施例を示
す回路図、第２図は同加算回路の入出力信号を例
示する図である。
１……定電流回路、Ｑ１〜Ｑ１２……トランジ
スタ。
FIG. 1 is a circuit diagram showing an embodiment of an adder circuit according to the present invention, and FIG. 2 is a diagram illustrating input and output signals of the adder circuit. 1...constant current circuit, Q1 to Q12 ...transistor.
Claims (1)
像信号を入力する第二回路系のそれぞれに定電流
回路が備えられ、それらの回路系が相補的に動作
して、映像信号に文字又は図形信号を加算する回
路であつて、 前記第一回路系における定電流回路が複数系統
の定電流回路に分離され、一の系統に前記文字又
は図形信号が入力されることを特徴とする加算回
路。[Claims for Utility Model Registration] A first circuit system for inputting character or graphic signals and a second circuit system for inputting video signals are each provided with a constant current circuit, and these circuit systems operate complementary to each other. , a circuit for adding a character or graphic signal to a video signal, wherein the constant current circuit in the first circuit system is separated into multiple systems of constant current circuits, and the character or graphic signal is input to one system. An adder circuit featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7199885U JPH0513091Y2 (en) | 1985-05-15 | 1985-05-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7199885U JPH0513091Y2 (en) | 1985-05-15 | 1985-05-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61189670U true JPS61189670U (en) | 1986-11-26 |
| JPH0513091Y2 JPH0513091Y2 (en) | 1993-04-06 |
Family
ID=30610001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7199885U Expired - Lifetime JPH0513091Y2 (en) | 1985-05-15 | 1985-05-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0513091Y2 (en) |
-
1985
- 1985-05-15 JP JP7199885U patent/JPH0513091Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0513091Y2 (en) | 1993-04-06 |
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