JPS59111368U - television receiver - Google Patents
television receiverInfo
- Publication number
- JPS59111368U JPS59111368U JP390283U JP390283U JPS59111368U JP S59111368 U JPS59111368 U JP S59111368U JP 390283 U JP390283 U JP 390283U JP 390283 U JP390283 U JP 390283U JP S59111368 U JPS59111368 U JP S59111368U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- external video
- video signal
- television receiver
- input terminal
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のテレビジョン受像機のブロック図、第２
図は本考案の１実施例のブロック図である。
１・・・アンテナ、７・・・受像管、９・・・外部ビデ
オ入力端子、１１′・・・信号切換スイッチ、１２・・
・同期 ′信号検出回路。Figure 1 is a block diagram of a conventional television receiver, Figure 2 is a block diagram of a conventional television receiver.
The figure is a block diagram of one embodiment of the present invention. 1... Antenna, 7... Picture tube, 9... External video input terminal, 11'... Signal selection switch, 12...
・Synchronization 'signal detection circuit.
Claims (1)
部ビデオ信号の有無を検出する信号検出手段と、該検出
手段の検出出力に基いてアンテナ入力からのビデオ信号
と外部ビデオ信号とを切換える信号切換手段とを備え、
外部ビデオ入力端子に外部ビデオ信号が印加されたとき
アンテナ入力からのビデオ信号に代えて外部ビデオ入力
信号を自動的に受像管に供給するようにし′
たことを特徴とするテレビジョン受像機。 ２ 前記信号検出手段において水平若しくは垂直同期信
号の有無を検出する前記実用新案登録請求の範囲第１項
記載のテレビジョン受像機。[Claims for Utility Model Registration] 1. An external video input terminal, a signal detection means for detecting the presence or absence of an external video signal supplied to the input terminal, and a video signal from an antenna input based on the detection output of the detection means. and a signal switching means for switching between the video signal and the external video signal,
When an external video signal is applied to the external video input terminal, the external video input signal is automatically supplied to the picture tube instead of the video signal from the antenna input.
A television receiver characterized by: 2. The television receiver according to claim 1, wherein the signal detecting means detects the presence or absence of a horizontal or vertical synchronizing signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP390283U JPS59111368U (en) | 1983-01-13 | 1983-01-13 | television receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP390283U JPS59111368U (en) | 1983-01-13 | 1983-01-13 | television receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59111368U true JPS59111368U (en) | 1984-07-27 |
Family
ID=30135512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP390283U Pending JPS59111368U (en) | 1983-01-13 | 1983-01-13 | television receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59111368U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63159970U (en) * | 1987-04-07 | 1988-10-19 |
-
1983
- 1983-01-13 JP JP390283U patent/JPS59111368U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63159970U (en) * | 1987-04-07 | 1988-10-19 |
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