JPS59151382U - alarm device - Google Patents
alarm deviceInfo
- Publication number
- JPS59151382U JPS59151382U JP4384383U JP4384383U JPS59151382U JP S59151382 U JPS59151382 U JP S59151382U JP 4384383 U JP4384383 U JP 4384383U JP 4384383 U JP4384383 U JP 4384383U JP S59151382 U JPS59151382 U JP S59151382U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- alarm device
- power supply
- circuit
- comparator
- 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
- Measurement Of Current Or Voltage (AREA)
- 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図は従来の警報装置の回路ブロック図、第２図は警
報装置の動作を説明するための時間に対する各部の電圧
の変化を示す図、第３図はこの考案の１実施例を示す警
報装置の回路ブロック図、第４図及び第５図はこの考案
の他の実施例を示す警報装置の要部回路ブロック図であ
る。
３：コンパレータ、４：基準電圧発生源、５：駆動トラ
ンジスタ、６：リレー、９：遅延回路、１０ニスイツチ
ング回路。Fig. 1 is a circuit block diagram of a conventional alarm device, Fig. 2 is a diagram showing changes in voltage of each part with respect to time to explain the operation of the alarm device, and Fig. 3 is an alarm diagram showing one embodiment of this invention. 4 and 5 are circuit block diagrams of main parts of an alarm device showing other embodiments of this invention. 3: Comparator, 4: Reference voltage source, 5: Drive transistor, 6: Relay, 9: Delay circuit, 10 Niswitching circuit.
Claims (1)
の基準電圧とを比較し、入力電圧が大なる場合、出力信
号を導出するコンパレータと、このコンパレータよりの
信号でオンされる警報器駆動回路と、これらの各回路に
電源電圧を供給する電源回路とを含む警報装置において
、前記電源電圧のオン動作後所定時間遅れて信号を出力
する遅延回路と、この遅延回路よりの信号の存在を条件
に、前記コンパレータ出力で前記警報器駆動回路をオン
させる手段とを備えたことを特徴とする警報装置。A reference voltage source, a comparator that compares the input voltage with the reference voltage from the reference voltage source and derives an output signal if the input voltage is large, and an alarm drive that is turned on by the signal from this comparator. In an alarm device including a circuit and a power supply circuit that supplies power supply voltage to each of these circuits, a delay circuit outputs a signal after a predetermined time delay after the power supply voltage is turned on, and the presence of a signal from the delay circuit is detected. An alarm device comprising: means for turning on the alarm drive circuit according to the comparator output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4384383U JPS59151382U (en) | 1983-03-25 | 1983-03-25 | alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4384383U JPS59151382U (en) | 1983-03-25 | 1983-03-25 | alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59151382U true JPS59151382U (en) | 1984-10-09 |
Family
ID=30174381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4384383U Pending JPS59151382U (en) | 1983-03-25 | 1983-03-25 | alarm device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59151382U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0226217A (en) * | 1988-07-15 | 1990-01-29 | Nec Corp | Power source voltage detector |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4929998A (en) * | 1972-07-19 | 1974-03-16 |
-
1983
- 1983-03-25 JP JP4384383U patent/JPS59151382U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4929998A (en) * | 1972-07-19 | 1974-03-16 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0226217A (en) * | 1988-07-15 | 1990-01-29 | Nec Corp | Power source voltage detector |
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