JPS6293295U - - Google Patents
Info
- Publication number
- JPS6293295U JPS6293295U JP18399785U JP18399785U JPS6293295U JP S6293295 U JPS6293295 U JP S6293295U JP 18399785 U JP18399785 U JP 18399785U JP 18399785 U JP18399785 U JP 18399785U JP S6293295 U JPS6293295 U JP S6293295U
- Authority
- JP
- Japan
- Prior art keywords
- section
- charging
- timer capacitor
- pulse signals
- controls
- 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 description 6
- 238000007599 discharging Methods 0.000 claims 1
- 238000007689 inspection Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Alarm Systems (AREA)
Description
図は本案の実施例を示すもので、第１図は簡便
なブロツク図、第２図は同回路例を示し、第３図
は各部の波形を示すものである。
１，１′，１″……はセンサスイツチ、２，２
′，２″……はコンデンサ、３はパルス信号線、
４はタイマ用コンデンサ、５は放電抵抗、６は充
電部出力線、８，１４，１５はトランジスタ、９
は電圧比較器、１０，１１，１６は抵抗、１２は
入力線、１３は警報器、１７はノイズ用コンデン
サ、１８は発振回路、１９は警告灯、Ａはセンサ
部、Ｂは充電部、Ｃは電圧比較部、Ｄは警報器部
。
The figures show an embodiment of the present invention; FIG. 1 shows a simple block diagram, FIG. 2 shows an example of the same circuit, and FIG. 3 shows waveforms at various parts. 1, 1', 1''... are sensor switches, 2, 2
', 2''... is a capacitor, 3 is a pulse signal line,
4 is a timer capacitor, 5 is a discharge resistor, 6 is a charging section output line, 8, 14, 15 are transistors, 9
is a voltage comparator, 10, 11, 16 are resistors, 12 is an input line, 13 is an alarm, 17 is a noise capacitor, 18 is an oscillation circuit, 19 is a warning light, A is a sensor part, B is a charging part, C is the voltage comparison section, and D is the alarm section.
Claims (1)
数のセンサからなるセンサ部と、該センサ部のパ
ルス信号でタイマ用コンデンサ充電が制御される
充電部と、タイマ用コンデンサの放電によつて充
電部の電位が所定電圧以下になる迄の間出力をな
す電圧比較部と、該電圧比較部の出力によつて制
御される警報器部よりなることを特徴とする警報
装置。 A sensor section consists of a plurality of sensors that detect changes in the state of inspection points using pulse signals, a charging section that controls the charging of a timer capacitor by the pulse signals of the sensor section, and a charging section that controls charging of a timer capacitor by discharging the timer capacitor. 1. An alarm device comprising: a voltage comparator section that provides an output until the potential becomes equal to or less than a predetermined voltage; and an alarm section that is controlled by the output of the voltage comparator section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18399785U JPS6293295U (en) | 1985-11-28 | 1985-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18399785U JPS6293295U (en) | 1985-11-28 | 1985-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6293295U true JPS6293295U (en) | 1987-06-15 |
Family
ID=31131252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18399785U Pending JPS6293295U (en) | 1985-11-28 | 1985-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6293295U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01174216A (en) * | 1987-12-28 | 1989-07-10 | Fujitsu Ten Ltd | Disconnection detector |
-
1985
- 1985-11-28 JP JP18399785U patent/JPS6293295U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01174216A (en) * | 1987-12-28 | 1989-07-10 | Fujitsu Ten Ltd | Disconnection detector |