JPS59134889U - gas alarm - Google Patents
gas alarmInfo
- Publication number
- JPS59134889U JPS59134889U JP2707183U JP2707183U JPS59134889U JP S59134889 U JPS59134889 U JP S59134889U JP 2707183 U JP2707183 U JP 2707183U JP 2707183 U JP2707183 U JP 2707183U JP S59134889 U JPS59134889 U JP S59134889U
- Authority
- JP
- Japan
- Prior art keywords
- light emitting
- gas alarm
- initial delay
- emitting diode
- color
- 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.)
- Granted
Links
Landscapes
- Audible And Visible Signals (AREA)
- Emergency Alarm Devices (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図a、 b、 cは従来のガス訃報器の初期遅
延時の動作を例示した図、第2図は本考案による初期遅
延回路および初期遅延残り時間表示回路を例示した図で
ある。
1・・・・・・比較器、4・・・・・・演算増幅器、6
・・・・・・2色発光ダイオード。FIGS. 1A, 1B, and 1C are diagrams illustrating the operation of a conventional gas mortuary alarm during an initial delay, and FIG. 2 is a diagram illustrating an initial delay circuit and an initial delay remaining time display circuit according to the present invention. 1... Comparator, 4... Operational amplifier, 6
...Two-color light emitting diode.
Claims (1)
延回路を備えたガス警報器において、初期遅延残り時間
を発光色変化により表示する2色発光ダイオードと、前
記初期遅延回路の時間計数信号を受けその値に従って前
記2色発光ダイオードの一方は電流が増加、他方は電流
が減少するように制御する回路とを備えたことを特徴と
するガス警報器。A gas alarm equipped with an initial delay circuit that stops the gas detection function for a predetermined period of time after power-on includes a two-color light emitting diode that displays the remaining time of the initial delay by changing the color of the light emitted, and a light emitting diode that receives a time count signal from the initial delay circuit. A gas alarm device comprising: a circuit for controlling one of the two-color light emitting diodes so that the current increases and the other one decreases the current according to the value.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2707183U JPS59134889U (en) | 1983-02-28 | 1983-02-28 | gas alarm |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2707183U JPS59134889U (en) | 1983-02-28 | 1983-02-28 | gas alarm |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59134889U true JPS59134889U (en) | 1984-09-08 |
JPH021668Y2 JPH021668Y2 (en) | 1990-01-16 |
Family
ID=30157966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2707183U Granted JPS59134889U (en) | 1983-02-28 | 1983-02-28 | gas alarm |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59134889U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6165595U (en) * | 1984-09-28 | 1986-05-06 | ||
JPS6376989U (en) * | 1986-11-07 | 1988-05-21 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56172186U (en) * | 1980-05-23 | 1981-12-19 | ||
JPS57140495U (en) * | 1981-02-27 | 1982-09-02 | ||
JPS57199390U (en) * | 1981-06-15 | 1982-12-17 |
-
1983
- 1983-02-28 JP JP2707183U patent/JPS59134889U/en active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56172186U (en) * | 1980-05-23 | 1981-12-19 | ||
JPS57140495U (en) * | 1981-02-27 | 1982-09-02 | ||
JPS57199390U (en) * | 1981-06-15 | 1982-12-17 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6165595U (en) * | 1984-09-28 | 1986-05-06 | ||
JPS6376989U (en) * | 1986-11-07 | 1988-05-21 |
Also Published As
Publication number | Publication date |
---|---|
JPH021668Y2 (en) | 1990-01-16 |
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