JPH02147983U - - Google Patents
Info
- Publication number
- JPH02147983U JPH02147983U JP5754489U JP5754489U JPH02147983U JP H02147983 U JPH02147983 U JP H02147983U JP 5754489 U JP5754489 U JP 5754489U JP 5754489 U JP5754489 U JP 5754489U JP H02147983 U JPH02147983 U JP H02147983U
- Authority
- JP
- Japan
- Prior art keywords
- storage means
- video signal
- switching
- defect
- detecting
- 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
- 230000007547 defect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
Landscapes
- Picture Signal Circuits (AREA)
Description
第１図は本考案の一実施例の基本的構成を示す
ブロツク図、第２図は動作を説明するためのタイ
ミングチヤート、第３図は本考案の他の実施例の
基本的構成を示すブロツク図、第４図は不具合発
生時における輝度の変化を説明するためのタイミ
ングチヤート、第５図は輝度を変化させるための
構成を示すブロツク図、第６図は本考案のさらに
他の実施例の基本的構成を示すブロツク図、第７
図は先行技術を説明するための図である。
２……映像信号処理回路、１１，１２，３１，
３２……メモリ、１３……制御回路、１４……検
出回路、ＳＷ１……第１切換手段、ＳＷ２……第
２切換手段。
FIG. 1 is a block diagram showing the basic configuration of one embodiment of the present invention, FIG. 2 is a timing chart for explaining the operation, and FIG. 3 is a block diagram showing the basic configuration of another embodiment of the present invention. 4 is a timing chart for explaining the change in brightness when a malfunction occurs, FIG. 5 is a block diagram showing the configuration for changing the brightness, and FIG. 6 is a diagram of another embodiment of the present invention. Block diagram showing the basic configuration, No. 7
The figure is a diagram for explaining the prior art. 2...Video signal processing circuit, 11, 12, 31,
32...Memory, 13...Control circuit, 14...Detection circuit, SW1...First switching means, SW2...Second switching means.
Claims (1)
出し処理が順次的に行われる複数の記憶手段と、 映像信号を前記複数の記憶手段に切換えて出力
する第１の切換手段と、 複数の記憶手段からの出力を切換えて出力する
第２の切換手段と、 映像信号の不具合を検出する手段とを含み、 前記検出手段が映像信号の不具合を検出してい
る期間、書込み対象の記憶手段はその書込み動作
を停止し、残余の記憶手段の内容を継続して出力
することを特徴とする映像信号処理装置。[Claims for Utility Model Registration] A plurality of storage means in which video signals are stored frame by frame and write/read processing is performed sequentially; and a first switching device that switches and outputs video signals to the plurality of storage means. means, second switching means for switching and outputting outputs from a plurality of storage means, and means for detecting a defect in the video signal, and the writing is performed during a period when the detecting means detects a defect in the video signal. A video signal processing device characterized in that the target storage means stops its write operation and continues to output the contents of the remaining storage means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5754489U JPH02147983U (en) | 1989-05-18 | 1989-05-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5754489U JPH02147983U (en) | 1989-05-18 | 1989-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02147983U true JPH02147983U (en) | 1990-12-17 |
Family
ID=31582349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5754489U Pending JPH02147983U (en) | 1989-05-18 | 1989-05-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02147983U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61145976A (en) * | 1984-12-20 | 1986-07-03 | Nissan Motor Co Ltd | On-vehicle tv system |
| JPS62160883A (en) * | 1986-01-09 | 1987-07-16 | Mitsubishi Electric Corp | Television receiver |
| JPS63276386A (en) * | 1987-05-08 | 1988-11-14 | Hitachi Ltd | Television receiver |
-
1989
- 1989-05-18 JP JP5754489U patent/JPH02147983U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61145976A (en) * | 1984-12-20 | 1986-07-03 | Nissan Motor Co Ltd | On-vehicle tv system |
| JPS62160883A (en) * | 1986-01-09 | 1987-07-16 | Mitsubishi Electric Corp | Television receiver |
| JPS63276386A (en) * | 1987-05-08 | 1988-11-14 | Hitachi Ltd | Television receiver |
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