JPH0478873U - - Google Patents
Info
- Publication number
- JPH0478873U JPH0478873U JP12162490U JP12162490U JPH0478873U JP H0478873 U JPH0478873 U JP H0478873U JP 12162490 U JP12162490 U JP 12162490U JP 12162490 U JP12162490 U JP 12162490U JP H0478873 U JPH0478873 U JP H0478873U
- Authority
- JP
- Japan
- Prior art keywords
- imaging device
- signal
- screen
- output
- integrator
- 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.)
- Granted
Links
- 238000003384 imaging method Methods 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 1
Landscapes
- Television Receiver Circuits (AREA)
Description
第１図はこの考案の一実施例を示す構成図、第
２図はテレビカメラの配設位置を示す図、第３図
は第１図例の各部波形図、第４図は従来例を示す
構成図である。
１……テレビカメラ、２……サンプリングスイ
ツチ、３，５……Ａ／Ｄ変換器、４……フイール
ドメモリ、６……デイジタル差分演算器、７……
Ｄ／Ａ変換器、８……積分器、９……比較器、１
０……タイマ。
Figure 1 is a configuration diagram showing an embodiment of this invention, Figure 2 is a diagram showing the arrangement position of a television camera, Figure 3 is a waveform diagram of each part of the example in Figure 1, and Figure 4 is a conventional example. FIG. 1... Television camera, 2... Sampling switch, 3, 5... A/D converter, 4... Field memory, 6... Digital difference calculator, 7...
D/A converter, 8... Integrator, 9... Comparator, 1
0...Timer.
Claims (1)
置と、 一定時間毎に上記撮像装置より出力されるビデ
オ信号の１画面分を記憶するメモリと、 このメモリに記憶された１画面分のビデオ信号
と上記撮像装置より出力される各画面のビデオ信
号と比較して差分信号を出力する差分演算器と、 この差分演算器の出力信号を積分する積分器と
、 この積分器の出力信号に基づいて電子機器の電
源オフを制御する制御回路とを備える電子機器の
オートオフ装置。 (2) 上記電子機器はテレビジヨン受像機であり
、上記撮像装置はテレビジヨン受像機本体の前面
に配設される請求項１記載の電子機器のオートオ
フ装置。[Scope of Claim for Utility Model Registration] (1) An imaging device arranged to take an image of a viewer, a memory that stores one screen worth of video signals output from the imaging device at regular intervals, and a difference calculator that compares the video signal for one screen stored in the memory with the video signal of each screen output from the imaging device and outputs a difference signal; and an integrator that integrates the output signal of the difference calculator. An auto-off device for electronic equipment, comprising: and a control circuit that controls power-off of the electronic equipment based on the output signal of the integrator. (2) The auto-off device for an electronic device according to claim 1, wherein the electronic device is a television receiver, and the imaging device is disposed on the front side of the television receiver body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990121624U JPH0731650Y2 (en) | 1990-11-20 | 1990-11-20 | Electronic device auto-off device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990121624U JPH0731650Y2 (en) | 1990-11-20 | 1990-11-20 | Electronic device auto-off device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0478873U true JPH0478873U (en) | 1992-07-09 |
| JPH0731650Y2 JPH0731650Y2 (en) | 1995-07-19 |
Family
ID=31869473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990121624U Expired - Fee Related JPH0731650Y2 (en) | 1990-11-20 | 1990-11-20 | Electronic device auto-off device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0731650Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008292753A (en) * | 2007-05-24 | 2008-12-04 | Denso Corp | Information display device |
| WO2013136484A1 (en) * | 2012-03-15 | 2013-09-19 | Ｎｅｃディスプレイソリューションズ株式会社 | Image display apparatus and image display method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6230492A (en) * | 1985-07-31 | 1987-02-09 | Matsushita Electric Ind Co Ltd | automatic monitoring device |
| JPH01177285A (en) * | 1988-01-05 | 1989-07-13 | Nec Ic Microcomput Syst Ltd | Crt power source controller |
-
1990
- 1990-11-20 JP JP1990121624U patent/JPH0731650Y2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6230492A (en) * | 1985-07-31 | 1987-02-09 | Matsushita Electric Ind Co Ltd | automatic monitoring device |
| JPH01177285A (en) * | 1988-01-05 | 1989-07-13 | Nec Ic Microcomput Syst Ltd | Crt power source controller |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008292753A (en) * | 2007-05-24 | 2008-12-04 | Denso Corp | Information display device |
| WO2013136484A1 (en) * | 2012-03-15 | 2013-09-19 | Ｎｅｃディスプレイソリューションズ株式会社 | Image display apparatus and image display method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0731650Y2 (en) | 1995-07-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |