JPS59192794U - Abnormal temperature detection circuit for display equipment - Google Patents
Abnormal temperature detection circuit for display equipmentInfo
- Publication number
- JPS59192794U JPS59192794U JP8391383U JP8391383U JPS59192794U JP S59192794 U JPS59192794 U JP S59192794U JP 8391383 U JP8391383 U JP 8391383U JP 8391383 U JP8391383 U JP 8391383U JP S59192794 U JPS59192794 U JP S59192794U
- Authority
- JP
- Japan
- Prior art keywords
- temperature detection
- abnormal temperature
- circuit
- detection circuit
- display equipment
- 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
Landscapes
- Alarm Systems (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の異常温度検出回路、第２図は本考案の一
実施例の異常温度検出回路、第３図は第２図の主要回路
の波形図である。
１：被温度監視トランジスタ、２：温度検出手段、３：
Ｌ／ベベル換回路、４：電流増幅回路、５：リレー回路
、６：異常温度検出素子、７，８：コンパレータ、９
：ＡＮＤ回路、１０：ｎ進カウンタ、１１：ドライバ、
１２：誤動作検出発光素子、１３：外部電源装置。FIG. 1 is a conventional abnormal temperature detection circuit, FIG. 2 is an abnormal temperature detection circuit according to an embodiment of the present invention, and FIG. 3 is a waveform diagram of the main circuit of FIG. 2. 1: Temperature monitoring transistor, 2: Temperature detection means, 3:
L/bevel conversion circuit, 4: Current amplification circuit, 5: Relay circuit, 6: Abnormal temperature detection element, 7, 8: Comparator, 9
:AND circuit, 10: n-ary counter, 11: driver,
12: Malfunction detection light emitting element, 13: External power supply device.
Claims (1)
した温度検出手段と、レベル変換回路と、電流増幅器と
、リレー回路とて構成した偏向増幅器の出力トランジス
タの異常温度検出回路において、この異常温度検出回路
に、前記異常温度検出素子の出力を監視する第１のコン
パレタと、前記温度検出手段、レベル変換回路及び電流
増幅器のそれぞれの出力を論理和として監視する第２の
コンパレタと、これら両コンバレタの出力を論理積する
ＡＮＤ回路と、ｎ進カムウンタと、ドライバと、発光素
子とで構成する誤動作検出・防止機能を具備させたこと
を特徴とするディスプレイ装置の異常温度検出回路。This abnormal temperature is detected in the abnormal temperature detection circuit of the output transistor of the deflection amplifier, which is composed of a temperature detection means with a built-in abnormal temperature detection element that operates when the temperature exceeds a certain temperature, a level conversion circuit, a current amplifier, and a relay circuit. The circuit includes a first comparator that monitors the output of the abnormal temperature detection element, a second comparator that monitors the respective outputs of the temperature detection means, the level conversion circuit, and the current amplifier as a logical sum, and a An abnormal temperature detection circuit for a display device, characterized in that it is equipped with a malfunction detection/prevention function comprising an AND circuit for logically multiplying outputs, an n-ary counter, a driver, and a light emitting element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8391383U JPS59192794U (en) | 1983-06-03 | 1983-06-03 | Abnormal temperature detection circuit for display equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8391383U JPS59192794U (en) | 1983-06-03 | 1983-06-03 | Abnormal temperature detection circuit for display equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59192794U true JPS59192794U (en) | 1984-12-21 |
Family
ID=30213866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8391383U Pending JPS59192794U (en) | 1983-06-03 | 1983-06-03 | Abnormal temperature detection circuit for display equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59192794U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5783344A (en) * | 1980-11-06 | 1982-05-25 | Seiko Seiki Co Ltd | Rotary index machine |
-
1983
- 1983-06-03 JP JP8391383U patent/JPS59192794U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5783344A (en) * | 1980-11-06 | 1982-05-25 | Seiko Seiki Co Ltd | Rotary index machine |
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