JPS61113475U - - Google Patents
Info
- Publication number
- JPS61113475U JPS61113475U JP19850484U JP19850484U JPS61113475U JP S61113475 U JPS61113475 U JP S61113475U JP 19850484 U JP19850484 U JP 19850484U JP 19850484 U JP19850484 U JP 19850484U JP S61113475 U JPS61113475 U JP S61113475U
- Authority
- JP
- Japan
- Prior art keywords
- image signal
- synchronization
- synchronization system
- detection circuit
- screen
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000003786 synthesis reaction Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Description
第１図はこの考案のテレビジヨン受像機の同期
装置の一実施例のブロツク図、第２図は従来のテ
レビジヨン受像機の同期装置のブロツク図である
。
３……記憶素子、４……画像合成回路、５……
映像出力偏向回路、６……検出回路、７……スイ
ツチ回路。
FIG. 1 is a block diagram of an embodiment of a synchronizing device for a television receiver according to the present invention, and FIG. 2 is a block diagram of a conventional synchronizing device for a television receiver. 3... Memory element, 4... Image synthesis circuit, 5...
Video output deflection circuit, 6...detection circuit, 7...switch circuit.
Claims (1)
第１の画像信号の存在の有無を検出する検出回路
と、この検出回路より上記第１の画像信号が存在
することを検出したとき第１の同期系統に接続し
かつ上記検出回路が上記第１の画像信号を検出し
ないとき第２の同期系統に接続されるスイツチ回
路と、このスイツチ回路が第２の同期系統に接続
されたとき、上記第１の画像信号が映出される画
面より小さい画面の第２の画像信号を上記第２の
同期系統に同期させて書き込みかつ読み出すとき
に上記第１の同期系統に同期して読み出す記憶素
子と、上記第１の画像信号が存在するときは上記
第１の同期系統に同期して第１の画像信号と記憶
素子から読み出された第２の画像信号とを合成し
て出力しかつ第１の画像信号の存在しないとき第
２の同期系統で第２の画像信号を出力する画像合
成回路と、この画像合成回路の出力に基づき上記
ブラウン管に画面として表示させる手段とを具備
するテレビジヨン受像機の同期装置。 a detection circuit that detects the presence or absence of a normal first image signal projected on the entire display screen of the cathode ray tube; and a first synchronization system when the detection circuit detects the presence of the first image signal. a switch circuit connected to the second synchronization system when the detection circuit does not detect the first image signal; and a switch circuit connected to the second synchronization system when the detection circuit does not detect the first image signal; a memory element for reading out in synchronization with the first synchronization system when writing and reading out a second image signal of a screen smaller than the screen on which the image signal is projected in synchronization with the second synchronization system; When an image signal exists, the first image signal and the second image signal read from the storage element are combined and output in synchronization with the first synchronization system, and the first image signal is combined and output. A synchronization device for a television receiver, comprising an image synthesis circuit that outputs a second image signal in a second synchronization system when the image signal does not exist, and means for displaying a screen on the cathode ray tube based on the output of the image synthesis circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19850484U JPS61113475U (en) | 1984-12-26 | 1984-12-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19850484U JPS61113475U (en) | 1984-12-26 | 1984-12-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61113475U true JPS61113475U (en) | 1986-07-17 |
Family
ID=30757551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19850484U Pending JPS61113475U (en) | 1984-12-26 | 1984-12-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61113475U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6212282A (en) * | 1985-07-09 | 1987-01-21 | Mitsubishi Electric Corp | Color television receiver |
| JPH01158976A (en) * | 1987-09-24 | 1989-06-22 | Acushnet Co | Improved clear coat and golf ball having said coat applied thereto |
-
1984
- 1984-12-26 JP JP19850484U patent/JPS61113475U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6212282A (en) * | 1985-07-09 | 1987-01-21 | Mitsubishi Electric Corp | Color television receiver |
| JPH01158976A (en) * | 1987-09-24 | 1989-06-22 | Acushnet Co | Improved clear coat and golf ball having said coat applied thereto |
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