JPH0369987U - - Google Patents
Info
- Publication number
- JPH0369987U JPH0369987U JP12714989U JP12714989U JPH0369987U JP H0369987 U JPH0369987 U JP H0369987U JP 12714989 U JP12714989 U JP 12714989U JP 12714989 U JP12714989 U JP 12714989U JP H0369987 U JPH0369987 U JP H0369987U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- capacitor
- coil
- circuit
- current
- 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
- 239000003990 capacitor Substances 0.000 claims 3
- 238000012544 monitoring process Methods 0.000 claims 2
- 230000005347 demagnetization Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 1
Landscapes
- Television Receiver Circuits (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Description
第１図は本考案の画像表示装置の一実施例の構
成を示すブロツク図、第２図及び第３図は第１図
の実施例のより詳細の構成を示す回路図、第４図
及び第５図は第２図及び第３図の実施例の動作を
説明するタイミングチヤートである。
１……タイマ回路、２……電源監視装置、３…
…トリガパルス発生回路、４……手動操作回路、
５……消磁回路、１１，４０……ワンシヨツト回
路。
FIG. 1 is a block diagram showing the configuration of an embodiment of the image display device of the present invention, FIGS. 2 and 3 are circuit diagrams showing a more detailed configuration of the embodiment of FIG. 1, and FIGS. FIG. 5 is a timing chart explaining the operation of the embodiment shown in FIGS. 2 and 3. 1...Timer circuit, 2...Power supply monitoring device, 3...
...Trigger pulse generation circuit, 4...Manual operation circuit,
5... Degaussing circuit, 11, 40... One shot circuit.
Claims (1)
るコイルと、 電流がオンされたとき、前記コンデンサに所定
の電圧が充電されるまでの時間を計時するタイマ
回路と、 電流電圧を監視し、電磁電圧が所定値まで低下
したとき検出信号を出力する電源監視回路と、 前記タイマ回路又は電源監視回路の出力に対応
してスイツチングし、前記コイルに消磁電流を供
給するスイツチング素子とを備える画像表示装置
。[Claims for Utility Model Registration] A capacitor that holds a voltage necessary for demagnetization, a coil that resonates with the capacitor and supplies a demagnetizing current, and a coil that charges a predetermined voltage to the capacitor when the current is turned on. a timer circuit that measures the time until the voltage reaches a predetermined value, a power supply monitoring circuit that monitors current and voltage and outputs a detection signal when the electromagnetic voltage drops to a predetermined value, and a switching circuit that performs switching in response to the output of the timer circuit or the power supply monitoring circuit and a switching element that supplies a demagnetizing current to the coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12714989U JPH0369987U (en) | 1989-11-01 | 1989-11-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12714989U JPH0369987U (en) | 1989-11-01 | 1989-11-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0369987U true JPH0369987U (en) | 1991-07-12 |
Family
ID=31674923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12714989U Pending JPH0369987U (en) | 1989-11-01 | 1989-11-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0369987U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002273147A (en) * | 2001-03-16 | 2002-09-24 | Toyobo Co Ltd | Moisture absorbing rod |
-
1989
- 1989-11-01 JP JP12714989U patent/JPH0369987U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002273147A (en) * | 2001-03-16 | 2002-09-24 | Toyobo Co Ltd | Moisture absorbing rod |
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