JPH0191384U - - Google Patents
Info
- Publication number
- JPH0191384U JPH0191384U JP1987187650U JP18765087U JPH0191384U JP H0191384 U JPH0191384 U JP H0191384U JP 1987187650 U JP1987187650 U JP 1987187650U JP 18765087 U JP18765087 U JP 18765087U JP H0191384 U JPH0191384 U JP H0191384U
- Authority
- JP
- Japan
- Prior art keywords
- vertical
- display screen
- television receiver
- circuit
- switching
- 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
- 230000010355 oscillation Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Television Systems (AREA)
Description
第１図は本考案の一実施例のブロツク図、第２
図は第１図の要部のブロツク図、第３図は文字放
送の表示画面を示す図である。
１…テレビジヨン受像機、１０…垂直方向サイ
ズ切換回路。
Figure 1 is a block diagram of one embodiment of the present invention;
This figure is a block diagram of the main part of FIG. 1, and FIG. 3 is a diagram showing a display screen for teletext broadcasting. 1... Television receiver, 10... Vertical size switching circuit.
Claims (1)
像機において、 文字放送の表示画面では、通常の表示画面より
も画面の垂直方向のサイズを縮小する垂直方向サ
イズ切換回路を設けたことを特徴とするテレビジ
ヨン受像機。 (2) 前記垂直方向サイズ切換回路は、前記表示
画面に応じて垂直出力回路から垂直発振回路への
負帰還率を切換えて前記垂直発振回路の鋸歯状波
の振幅を切換えるものである前記実用新案登録請
求の範囲第１項に記載のテレビジヨン受像機。[Scope of Utility Model Registration Claim] (1) In a television receiver capable of receiving teletext broadcasting, vertical size switching that reduces the vertical size of the screen on the teletext display screen compared to a normal display screen. A television receiver characterized by being equipped with a circuit. (2) In the utility model, the vertical size switching circuit switches the amplitude of the sawtooth wave of the vertical oscillation circuit by switching the negative feedback rate from the vertical output circuit to the vertical oscillation circuit according to the display screen. A television receiver according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987187650U JPH0191384U (en) | 1987-12-09 | 1987-12-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987187650U JPH0191384U (en) | 1987-12-09 | 1987-12-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0191384U true JPH0191384U (en) | 1989-06-15 |
Family
ID=31478789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987187650U Pending JPH0191384U (en) | 1987-12-09 | 1987-12-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0191384U (en) |
-
1987
- 1987-12-09 JP JP1987187650U patent/JPH0191384U/ja active Pending
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