JPS63165692U - - Google Patents
Info
- Publication number
- JPS63165692U JPS63165692U JP5940887U JP5940887U JPS63165692U JP S63165692 U JPS63165692 U JP S63165692U JP 5940887 U JP5940887 U JP 5940887U JP 5940887 U JP5940887 U JP 5940887U JP S63165692 U JPS63165692 U JP S63165692U
- Authority
- JP
- Japan
- Prior art keywords
- switch
- heater
- video signal
- display
- drive circuit
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Description
第1図は本考案回路の一実施例の回路構成図、
第2図は第1図の動作説明のための波形図である
。
1……映像信号源、2……表示器、3……ヒー
ター駆動回路、4……入力キー、5……タイマー
回路、6……第1スイツチ、7……第2スイツチ
、8……第1スイツチ制御回路、9……第2スイ
ツチ制御回路。
FIG. 1 is a circuit configuration diagram of an embodiment of the circuit of the present invention.
FIG. 2 is a waveform diagram for explaining the operation of FIG. 1. 1... Video signal source, 2... Display, 3... Heater drive circuit, 4... Input key, 5... Timer circuit, 6... First switch, 7... Second switch, 8... Second switch. 1 switch control circuit, 9...second switch control circuit.
Claims (1)
前記ヒーターを駆動するヒーター駆動回路と、入
力キーと、該入力キーの操作に応答して該操作の
指令時から一定時間の経過時までの期間にわたつ
て制御信号を出力するタイマー回路と、前記ヒー
ター駆動回路に内蔵されていて、前記ヒーターを
第1パワー又はこの第1パワーより小さい第2パ
ワーで選択的に駆動するための第1スイツチと、
前記映像信号源からの映像信号の前記表示器への
付与を選択する第2スイツチと、前記制御信号に
よつて前記第1スイツチを制御する第1スイツチ
制御回路と、前記制御信号によつて前記第2スイ
ツチを制御する第2スイツチ制御回路とを備えて
なる表示器駆動回路。 A video signal source, a display with a built-in heater,
a heater drive circuit that drives the heater, an input key, and a timer circuit that outputs a control signal over a period of time from when the operation is commanded until a certain period of time has elapsed in response to the operation of the input key; a first switch built in the heater drive circuit for selectively driving the heater with a first power or a second power smaller than the first power;
a second switch for selecting application of a video signal from the video signal source to the display; a first switch control circuit for controlling the first switch according to the control signal; A display drive circuit comprising a second switch control circuit that controls a second switch.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5940887U JPS63165692U (en) | 1987-04-20 | 1987-04-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5940887U JPS63165692U (en) | 1987-04-20 | 1987-04-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63165692U true JPS63165692U (en) | 1988-10-28 |
Family
ID=30890874
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5940887U Pending JPS63165692U (en) | 1987-04-20 | 1987-04-20 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63165692U (en) |
-
1987
- 1987-04-20 JP JP5940887U patent/JPS63165692U/ja active Pending
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