JPH0253669U - - Google Patents
Info
- Publication number
- JPH0253669U JPH0253669U JP1988132985U JP13298588U JPH0253669U JP H0253669 U JPH0253669 U JP H0253669U JP 1988132985 U JP1988132985 U JP 1988132985U JP 13298588 U JP13298588 U JP 13298588U JP H0253669 U JPH0253669 U JP H0253669U
- Authority
- JP
- Japan
- Prior art keywords
- video signal
- signal
- blue back
- synthesizing means
- blueback
- 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 4
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 3
- 230000002194 synthesizing effect Effects 0.000 claims 5
- 239000002131 composite material Substances 0.000 claims 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
Landscapes
- Studio Circuits (AREA)
- Television Signal Processing For Recording (AREA)
Description
第1図は実施例のブロツク図、第2図は、チヤ
ンネルスキヤン時に、モニタ上に表示される映像
の一例を示す図である。
5……制御回路(第2制御手段)、9……ブル
ーバツク信号発生回路(ブルーバツク信号発成手
段)、10……第3選択回路(第2制御手段)、
13……合成回路(合成手段)、15……第5選
択回路(第1制御手段)、16……信号検出回路
(信号検出手段)、17……ブルーバツク表示選
択制御回路(第1制御手段)。
FIG. 1 is a block diagram of the embodiment, and FIG. 2 is a diagram showing an example of an image displayed on a monitor during channel scanning. 5... Control circuit (second control means), 9... Blueback signal generation circuit (blueback signal generation means), 10... Third selection circuit (second control means),
13... Synthesis circuit (synthesis means), 15... Fifth selection circuit (first control means), 16... Signal detection circuit (signal detection means), 17... Blue back display selection control circuit (first control means) .
Claims (1)
方の映像信号を親画面、他方の映像信号を縮小画
面として合成し、合成映像信号を導出する合成手
段と、前記第1映像信号の存在を検出する信号検
出手段と、ブルーバツク信号を形成導出するブル
ーバツク信号発生手段と、前記信号検出手段によ
り、前記第1映像信号の存在が検出されない場合
には、前記第1映像信号或いは前記合成映像信号
に替えて、前記ブルーバツク信号を映像信号出力
端子に導出せしめる様に制御する第1制御手段と
を備える磁気記録再生装置において、 前記第1映像信号と前記第2映像信号との何れ
か一方に替えて、前記ブルーバツク信号を前記合
成手段に入力する第2制御手段を設け、前記ブル
ーバツク信号が前記合成手段に入力される場合に
は、前記合成手段において、前記ブルーバツク信
号の同期信号に同期して、他方の映像信号が少な
くとも1つの縮小画面として前記ブルーバツク信
号と合成される構成とすることを特徴とする磁気
記録再生装置。[Claims for Utility Model Registration] A synthesizing means that receives a first video signal and a second video signal, synthesizes one video signal as a main screen and the other video signal as a reduced screen, and derives a composite video signal. , signal detection means for detecting the presence of the first video signal, blueback signal generation means for forming and deriving a blueback signal, and when the presence of the first video signal is not detected by the signal detection means, the first video signal is detected. 1 video signal or the composite video signal, a magnetic recording/reproducing device comprising: a first control means for controlling the blue back signal to be outputted to a video signal output terminal in place of the first video signal or the composite video signal; A second control means is provided for inputting the blue back signal to the synthesizing means instead of either one of the blue back signals, and when the blue back signal is input to the synthesizing means, the synthesizing means inputs the blue back signal to the synthesizing means. A magnetic recording and reproducing apparatus characterized in that the other video signal is combined with the blueback signal as at least one reduced screen in synchronization with the synchronization signal of the magnetic recording and reproducing apparatus.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988132985U JPH0253669U (en) | 1988-10-12 | 1988-10-12 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988132985U JPH0253669U (en) | 1988-10-12 | 1988-10-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0253669U true JPH0253669U (en) | 1990-04-18 |
Family
ID=31390447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988132985U Pending JPH0253669U (en) | 1988-10-12 | 1988-10-12 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0253669U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0440789A (en) * | 1990-06-06 | 1992-02-12 | Canon Inc | Picture reproducing device |
-
1988
- 1988-10-12 JP JP1988132985U patent/JPH0253669U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0440789A (en) * | 1990-06-06 | 1992-02-12 | Canon Inc | Picture reproducing device |
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