JPS62120788U - - Google Patents
Info
- Publication number
- JPS62120788U JPS62120788U JP733186U JP733186U JPS62120788U JP S62120788 U JPS62120788 U JP S62120788U JP 733186 U JP733186 U JP 733186U JP 733186 U JP733186 U JP 733186U JP S62120788 U JPS62120788 U JP S62120788U
- Authority
- JP
- Japan
- Prior art keywords
- crt
- signal
- circuit
- operator
- timer value
- 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
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Electronic Switches (AREA)
- Measurement Of Predetermined Time Intervals (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Description
第１図は本発明の一実施例を示すブロツク図で
ある。
１……発信器、２……受信器、３……タイマ、
４……スイツチ回路、５……タイマ値設定回路、
６……ゲート回路、７……ＣＲＴ、８……ランプ
表示器、ａ……発信信号、ｂ……反射信号、ｃ…
…クロツク信号、ｅ……受信信号、ｆ……指示信
号、ｇ……表示用信号、ｈ……ランプ表示信号、
Ａ……操作者。
FIG. 1 is a block diagram showing one embodiment of the present invention. 1... Transmitter, 2... Receiver, 3... Timer,
4... Switch circuit, 5... Timer value setting circuit,
6... Gate circuit, 7... CRT, 8... Lamp indicator, a... Outgoing signal, b... Reflected signal, c...
...Clock signal, e...Reception signal, f...Instruction signal, g...Display signal, h...Lamp display signal,
A... Operator.
Claims (1)
するための検出器と、カウント用のクロツク信号
を発生するタイマ回路と、外部からのタイマ値の
設定を可能とするタイマ値設定回路と、オペレー
タが不在のときに前記クロツク信号をカウントし
前記タイマ値を越えたときにＣＲＴの表示用信号
を停止させるための指示信号を出力するスイツチ
回路と前記指示信号に応じてＣＲＴへの信号出力
を切るゲート回路とを含むことを特徴とするオペ
レータ不在検出機能付ＣＲＴ。 A detector for detecting whether an operator is in front of the CRT, a timer circuit that generates a clock signal for counting, a timer value setting circuit that allows external setting of the timer value, and an operator absent. a switch circuit that outputs an instruction signal for counting the clock signal and stopping the CRT display signal when the clock signal exceeds the timer value; and a gate circuit that cuts off the signal output to the CRT in response to the instruction signal. A CRT with an operator absence detection function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP733186U JPS62120788U (en) | 1986-01-21 | 1986-01-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP733186U JPS62120788U (en) | 1986-01-21 | 1986-01-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62120788U true JPS62120788U (en) | 1987-07-31 |
Family
ID=30790682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP733186U Pending JPS62120788U (en) | 1986-01-21 | 1986-01-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62120788U (en) |
-
1986
- 1986-01-21 JP JP733186U patent/JPS62120788U/ja active Pending