JPH0276784U - - Google Patents
Info
- Publication number
- JPH0276784U JPH0276784U JP15621288U JP15621288U JPH0276784U JP H0276784 U JPH0276784 U JP H0276784U JP 15621288 U JP15621288 U JP 15621288U JP 15621288 U JP15621288 U JP 15621288U JP H0276784 U JPH0276784 U JP H0276784U
- Authority
- JP
- Japan
- Prior art keywords
- self
- signal
- test signal
- video signal
- display device
- 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
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000011156 evaluation Methods 0.000 claims 1
- 238000004092 self-diagnosis Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Description
第１図は、この考案のデイスプレイ装置の一実
施例を示す回路構成図、第２図は、セルフテスト
信号による表示画像の一例を示す図、第３図は、
従来のデイスプレイ装置の一例を示す回路構成図
である。
１１……デイスプレイ装置、１２……セルフテ
スト信号発生回路、１３……無信号検出回路。
FIG. 1 is a circuit diagram showing an embodiment of the display device of this invention, FIG. 2 is a diagram showing an example of a display image based on a self-test signal, and FIG.
FIG. 1 is a circuit configuration diagram showing an example of a conventional display device. 11...Display device, 12...Self test signal generation circuit, 13...No signal detection circuit.
Claims (1)
る外部映像信号を表示するデイスプレイ装置であ
つて、自己診断のための映像信号と同期信号から
なるセルフテスト信号を発生するセルフテスト信
号発生回路と、外部映像信号が無信号であること
を検出して前記セルフテスト信号発生回路を動作
させ、セルフテスト信号を表示に供する無信号検
出回路とを具備してなるデイスプレイ装置。 (2) 前記セルフテスト信号発生回路は、表示画
像の評価機能を備えた信号をセルフテスト信号と
して出力する構成としたことを特徴とする請求項
１記載のデイスプレイ装置。[Claims for Utility Model Registration] (1) A display device that displays an external video signal sent from an externally connected video signal source, which generates a self-test signal consisting of a video signal and a synchronization signal for self-diagnosis. and a no-signal detection circuit that detects that there is no external video signal, operates the self-test signal generation circuit, and displays the self-test signal. . (2) The display device according to claim 1, wherein the self-test signal generation circuit is configured to output a signal having a display image evaluation function as a self-test signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15621288U JPH0276784U (en) | 1988-11-30 | 1988-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15621288U JPH0276784U (en) | 1988-11-30 | 1988-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0276784U true JPH0276784U (en) | 1990-06-12 |
Family
ID=31434547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15621288U Pending JPH0276784U (en) | 1988-11-30 | 1988-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0276784U (en) |
-
1988
- 1988-11-30 JP JP15621288U patent/JPH0276784U/ja active Pending
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