JPH0290577U - - Google Patents
Info
- Publication number
- JPH0290577U JPH0290577U JP1988169971U JP16997188U JPH0290577U JP H0290577 U JPH0290577 U JP H0290577U JP 1988169971 U JP1988169971 U JP 1988169971U JP 16997188 U JP16997188 U JP 16997188U JP H0290577 U JPH0290577 U JP H0290577U
- Authority
- JP
- Japan
- Prior art keywords
- brightness level
- screen display
- screen
- display device
- brightness
- 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 3
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は、この考案のオンスクリーン表示装置
の一実施例を示す回路構成図、第２図は、この考
案のオンスクリーン表示装置の他の実施例を示す
回路構成図、第３図は、従来のオンスクリーン表
示装置の一例を示す回路構成図である。
４……オンスクリーン表示期間指定回路、５…
…切り替えスイツチ、１１，２１……オンスクリ
ーン表示装置、１２，２２……輝度レベル検出回
路、１３……オンスクリーン輝度可変回路。
FIG. 1 is a circuit diagram showing one embodiment of the on-screen display device of this invention, FIG. 2 is a circuit diagram showing another embodiment of the on-screen display device of this invention, and FIG. FIG. 1 is a circuit configuration diagram showing an example of a conventional on-screen display device. 4... On-screen display period designation circuit, 5...
...Changing switch, 11, 21... On-screen display device, 12, 22... Brightness level detection circuit, 13... On-screen brightness variable circuit.
Claims (1)
するオンスクリーン表示装置であつて、オンスク
リーン表示期間中の原映像信号の輝度レベルを検
出する輝度レベル検出回路と、この輝度レベル検
出回路が検出した輝度レベルに逆行して、前記オ
ンスクリーン映像の輝度レベルを可変するオンス
クリーン輝度可変回路を具備するオンスクリーン
表示装置。 An on-screen display device that inserts and displays an on-screen image into a part of the original image, which includes a brightness level detection circuit that detects the brightness level of the original video signal during the on-screen display period, and a brightness level detection circuit that detects the brightness level of the original video signal during the on-screen display period. An on-screen display device comprising an on-screen brightness variable circuit that changes the brightness level of the on-screen image inversely to the brightness level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988169971U JPH0290577U (en) | 1988-12-28 | 1988-12-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988169971U JPH0290577U (en) | 1988-12-28 | 1988-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0290577U true JPH0290577U (en) | 1990-07-18 |
Family
ID=31460507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988169971U Pending JPH0290577U (en) | 1988-12-28 | 1988-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0290577U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06165064A (en) * | 1992-11-18 | 1994-06-10 | Sanyo Electric Co Ltd | Caption decoder system |
-
1988
- 1988-12-28 JP JP1988169971U patent/JPH0290577U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06165064A (en) * | 1992-11-18 | 1994-06-10 | Sanyo Electric Co Ltd | Caption decoder system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0290577U (en) | ||
| JPH01113293U (en) | ||
| JPS6210580U (en) | ||
| JPH0346280U (en) | ||
| JPS63114565U (en) | ||
| JPH0386445U (en) | ||
| JPH0472774U (en) | ||
| JPS62100765U (en) | ||
| JPS62195831U (en) | ||
| JPS631231U (en) | ||
| JPS59114590U (en) | color display device | |
| JPS6230466U (en) | ||
| JPH01137675U (en) | ||
| JPS6068758U (en) | CRT display device | |
| JPH0481191U (en) | ||
| JPH0275873U (en) | ||
| JPS6311692U (en) | ||
| JPH0336275U (en) | ||
| JPS63192772U (en) | ||
| JPS61201089U (en) | ||
| JPS62117886U (en) | ||
| JPH0264275U (en) | ||
| JPH0420786U (en) | ||
| JPS588266U (en) | Character signal mixing device | |
| JPH0168550U (en) |