JPS63562U - - Google Patents
Info
- Publication number
- JPS63562U JPS63562U JP9319486U JP9319486U JPS63562U JP S63562 U JPS63562 U JP S63562U JP 9319486 U JP9319486 U JP 9319486U JP 9319486 U JP9319486 U JP 9319486U JP S63562 U JPS63562 U JP S63562U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- screen
- video signal
- switching
- 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.)
- Pending
Links
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000003786 synthesis reaction Methods 0.000 claims description 4
- 230000002194 synthesizing effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Studio Circuits (AREA)
- Processing Of Color Television Signals (AREA)
Description
第１図は本考案の一実施例による画面合成回路
の回路構成図、第２図は本考案の第１図の説明に
供する各部の波形図、第３図は本考案の他の実施
例を示す回路構成図、第４図は従来の画面合成回
路の回路構成図、第５図は第４図を説明するため
の各部の波形図である。
１……移相器、２，３……変調器、５，８……
加算器、９……２次微分回路。
Fig. 1 is a circuit configuration diagram of a screen synthesis circuit according to an embodiment of the present invention, Fig. 2 is a waveform diagram of each part used to explain Fig. 1 of the present invention, and Fig. 3 is a diagram showing another embodiment of the present invention. FIG. 4 is a circuit diagram of a conventional screen synthesis circuit, and FIG. 5 is a waveform diagram of each part for explaining FIG. 4. 1... Phase shifter, 2, 3... Modulator, 5, 8...
Adder, 9...Second order differential circuit.
Claims (1)
切り換え信号によつて切り換えて画面を合成する
画面合成回路であつて、前記切り換え信号を２次
微分した信号を前記合成した画面信号に重畳する
重畳手段を備えたことを特徴とする画面合成回路
。 (2) 前記重畳手段は、前記合成した画面信号を
遅延する遅延手段を具備することを特徴とする実
用新案登録請求の範囲第１項記載の画面合成回路
。 (3) 前記重畳手段は、前記２次微分した信号を
前記第１又は第２のビデオ信号を微分した信号に
より切り換えるスイツチ手段を具備することを特
徴とする実用新案登録請求の範囲第１項若しくは
第２項記載の画面合成回路。[Claims for Utility Model Registration] (1) A screen synthesis circuit that synthesizes a screen by switching a first video signal and a second video signal using a switching signal, the circuit combining a first video signal and a second video signal by second-order differentiating the switching signal. A screen synthesis circuit comprising a superimposition means for superimposing a signal on the synthesized screen signal. (2) The screen synthesizing circuit according to claim 1, wherein the superimposing means includes a delaying means for delaying the synthesized screen signal. (3) The above-mentioned superimposing means is provided with a switch means for switching the second-order differentiated signal by a signal obtained by differentiating the first or second video signal. The screen composition circuit described in Section 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9319486U JPS63562U (en) | 1986-06-18 | 1986-06-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9319486U JPS63562U (en) | 1986-06-18 | 1986-06-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63562U true JPS63562U (en) | 1988-01-05 |
Family
ID=30955564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9319486U Pending JPS63562U (en) | 1986-06-18 | 1986-06-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63562U (en) |
-
1986
- 1986-06-18 JP JP9319486U patent/JPS63562U/ja active Pending
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