JPH01159473U - - Google Patents
Info
- Publication number
- JPH01159473U JPH01159473U JP1988056280U JP5628088U JPH01159473U JP H01159473 U JPH01159473 U JP H01159473U JP 1988056280 U JP1988056280 U JP 1988056280U JP 5628088 U JP5628088 U JP 5628088U JP H01159473 U JPH01159473 U JP H01159473U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- changeover switch
- audio
- video
- television receiver
- 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 2
- 230000005236 sound signal Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
Description
第１図はこの考案の実施例を示すテレビジヨン
受像機のブロツク図、第２図は第１図のスイツチ
制御回路１０の一例を示すブロツク図、第３図は
第２図の要部の信号波形図、第４図は従来のテレ
ビジヨン受像機とそれに接続されたビデオテープ
レコーダの要部との構成を示すブロツク図である
。
FIG. 1 is a block diagram of a television receiver showing an embodiment of this invention, FIG. 2 is a block diagram showing an example of the switch control circuit 10 of FIG. 1, and FIG. The waveform diagram and FIG. 4 are block diagrams showing the configuration of the main parts of a conventional television receiver and a video tape recorder connected thereto.
Claims (1)
ビデオ信号を出力するチユーナ・検波部と、 そのチユーナ・検波部の出力信号かまたは外部
からのオーデイオ信号及びビデオ信号かを選択す
るＡＶ信号切換スイツチと、 そのＡＶ信号切換スイツチで選択されたオーデ
イオ信号及びビデオ信号を再生する表示部とを備
えたテレビジヨン受像機において、 上記外部からのビデオ信号の有無を検出し、そ
の検出出力により上記ＡＶ信号切換スイツチを制
御するスイツチ制御回路を設けたことを特徴とす
るテレビジヨン受像機。[Claim for Utility Model Registration] A tuner/detection unit that selects and detects an RF signal and outputs an audio signal and a video signal, and whether the output signal of the tuner/detection unit or the audio signal and video signal from the outside. In a television receiver equipped with an AV signal changeover switch that selects an AV signal changeover switch, and a display unit that reproduces the audio and video signals selected by the AV signal changeover switch, detecting the presence or absence of the video signal from the outside; A television receiver comprising a switch control circuit that controls the AV signal changeover switch based on the detected output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988056280U JPH01159473U (en) | 1988-04-25 | 1988-04-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988056280U JPH01159473U (en) | 1988-04-25 | 1988-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01159473U true JPH01159473U (en) | 1989-11-06 |
Family
ID=31282162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988056280U Pending JPH01159473U (en) | 1988-04-25 | 1988-04-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01159473U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS587986A (en) * | 1981-07-08 | 1983-01-17 | Fujitsu General Ltd | Vtr switching circuit |
-
1988
- 1988-04-25 JP JP1988056280U patent/JPH01159473U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS587986A (en) * | 1981-07-08 | 1983-01-17 | Fujitsu General Ltd | Vtr switching circuit |
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