JPS62169583U - - Google Patents
Info
- Publication number
- JPS62169583U JPS62169583U JP5739686U JP5739686U JPS62169583U JP S62169583 U JPS62169583 U JP S62169583U JP 5739686 U JP5739686 U JP 5739686U JP 5739686 U JP5739686 U JP 5739686U JP S62169583 U JPS62169583 U JP S62169583U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- focus voltage
- television receiver
- video signal
- varying
- 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
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Transforming Electric Information Into Light Information (AREA)
- Details Of Television Scanning (AREA)
Description
第１図は本考案テレビジヨン受像機の第１実施
例の要部の回路図、第２図は映像信号と閾値レベ
ルとの関係を示す図、第３図は本考案テレビジヨ
ン受像機の第２実施例の要部の回路図、第４図は
従来のテレビジヨン受像機の一例のブロツク系統
図である。
５……映像検波回路、９……ＣＲＴ、９ａ……
フオーカス電極、１０……スイツチ、１１……コ
ンパレータ、１２，１４……フオーカスボリユー
ム、１２１，１４１，１４２……中間タツプ、１
３……電子ボリユーム。
FIG. 1 is a circuit diagram of the main part of the first embodiment of the television receiver of the present invention, FIG. 2 is a diagram showing the relationship between the video signal and the threshold level, and FIG. 3 is a diagram of the main part of the television receiver of the present invention. FIG. 4 is a block system diagram of an example of a conventional television receiver. 5...Video detection circuit, 9...CRT, 9a...
Focus electrode, 10...Switch, 11...Comparator, 12, 14...Focus volume, 12 1 , 14 1 , 14 2 ...Intermediate tap, 1
3...Electronic volume.
Claims (1)
を可変する回路を設けてなるテレビジヨン受像機
。 (2) 該フオーカス電圧を可変する回路は、該映
像信号レベルが予め設定されている閾値より大か
小かに応じて該フオーカス電圧を切換える回路で
ある実用新案登録請求の範囲第１項記載のテレビ
ジヨン受像機。 (3) 該フオーカス電圧を可変する回路は、該映
像信号レベルの変化に応じて該フオーカス電圧を
連続的に可変する回路である実用新案登録請求の
範囲第１項記載のテレビジヨン受像機。[Claims for Utility Model Registration] (1) A television receiver equipped with a circuit that varies the focus voltage according to the level of the video signal. (2) The circuit for varying the focus voltage is a circuit for switching the focus voltage depending on whether the video signal level is higher or lower than a preset threshold. television receiver. (3) The television receiver according to claim 1, wherein the circuit for varying the focus voltage is a circuit for continuously varying the focus voltage in response to changes in the video signal level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5739686U JPS62169583U (en) | 1986-04-16 | 1986-04-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5739686U JPS62169583U (en) | 1986-04-16 | 1986-04-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62169583U true JPS62169583U (en) | 1987-10-27 |
Family
ID=30887060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5739686U Pending JPS62169583U (en) | 1986-04-16 | 1986-04-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62169583U (en) |
-
1986
- 1986-04-16 JP JP5739686U patent/JPS62169583U/ja active Pending
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