KR830001160Y1 - 경보장치에 있어서 리드스위치 자동검색장치 - Google Patents
경보장치에 있어서 리드스위치 자동검색장치 Download PDFInfo
- Publication number
- KR830001160Y1 KR830001160Y1 KR2019810008306U KR810008306U KR830001160Y1 KR 830001160 Y1 KR830001160 Y1 KR 830001160Y1 KR 2019810008306 U KR2019810008306 U KR 2019810008306U KR 810008306 U KR810008306 U KR 810008306U KR 830001160 Y1 KR830001160 Y1 KR 830001160Y1
- Authority
- KR
- South Korea
- Prior art keywords
- reed switch
- alarm
- voltage
- automatic search
- switch automatic
- 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.)
- Expired
Links
- 235000014676 Phragmites communis Nutrition 0.000 title claims description 15
- 230000005856 abnormality Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/187—Machine fault alarms
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/18—Prevention or correction of operating errors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
Description
Claims (1)
- 정상적인 경보기능과 함께 감지부와 모니터부 사이의 도선 이상에 다한 별도의 고장발생시에도 경보기능을 발휘하도록 된 경보장치에 있어서, 리드스위치(R/S)에 발광다이오드(LED)와 전류제한용 저항(R3)을 직렬 접속하고 다이오드(D)를 직렬접속기 전압조절기(VR)와 저항(R1)을 전압검출기(VD)와 전원(P)사이에 병렬 접속하여 이루어진 리드스위치 자동검색장치.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019810008306U KR830001160Y1 (ko) | 1981-12-09 | 1981-12-09 | 경보장치에 있어서 리드스위치 자동검색장치 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019810008306U KR830001160Y1 (ko) | 1981-12-09 | 1981-12-09 | 경보장치에 있어서 리드스위치 자동검색장치 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR830001160Y1 true KR830001160Y1 (ko) | 1983-07-13 |
Family
ID=19223467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019810008306U Expired KR830001160Y1 (ko) | 1981-12-09 | 1981-12-09 | 경보장치에 있어서 리드스위치 자동검색장치 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR830001160Y1 (ko) |
-
1981
- 1981-12-09 KR KR2019810008306U patent/KR830001160Y1/ko not_active Expired
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5343192A (en) | Fuse or circuit breaker status indicator | |
| US5540273A (en) | Method for controlling a heating unit | |
| US4138670A (en) | A.C. powered detecting device with battery backup | |
| US3821734A (en) | Fire alarm system with remote central station | |
| US3924256A (en) | Burglar alarm switch | |
| CA2286514A1 (en) | Improvements relating to monitoring apparatus for electrical circuits | |
| US3719937A (en) | Failure detection circuit | |
| US4523185A (en) | Zoned intrusion display with series-connected sensors | |
| KR830001160Y1 (ko) | 경보장치에 있어서 리드스위치 자동검색장치 | |
| FR2685544B1 (fr) | Cartouche a fusibles du type a indicateur de fonctionnement. | |
| US4127854A (en) | Back-up and alarm circuit system | |
| ATE54504T1 (de) | Schutzvorrichtung gegen gasexplosionen in wohnraeumen. | |
| JPS5622970A (en) | Disconnection/short-circuit detecting circuit of controlling device for smoke ventilation | |
| JPS6464523A (en) | Vehicle mounted controller | |
| US3893091A (en) | Annunciator circuit | |
| US4423322A (en) | Self diagnostic switch circuit | |
| KR830002592B1 (ko) | 논리 회로 모니터 | |
| SE423490B (sv) | Anordning for att pa avstand overvaka tendfunktionen hos snabba sleckningssystem | |
| US3760395A (en) | Optical smoke detector | |
| JPS6327267Y2 (ko) | ||
| US4251151A (en) | Apparatus including battery check circuit | |
| US4091384A (en) | Monitoring alarm system | |
| KR910006440B1 (ko) | 전화국의 전압 및 온도감지 경보장치 | |
| KR100321101B1 (ko) | 화재감지기 | |
| EP0002868B1 (en) | Fire detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UA0108 | Application for utility model registration |
Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 19811209 |
|
| UA0201 | Request for examination |
Patent event date: 19811209 Patent event code: UA02012R01D Comment text: Request for Examination of Application |
|
| UG1604 | Publication of application |
Patent event code: UG16041S01I Comment text: Decision on Publication of Application Patent event date: 19830616 |
|
| UE0701 | Decision of registration |
Patent event date: 19830929 Comment text: Decision to Grant Registration Patent event code: UE07011S01D |
|
| UR0701 | Registration of establishment |
Patent event date: 19831020 Patent event code: UR07011E01D Comment text: Registration of Establishment |
|
| UR1002 | Payment of registration fee |
Start annual number: 1 End annual number: 3 Payment date: 19831020 |
|
| UR1001 | Payment of annual fee |
Payment date: 19850319 Start annual number: 4 End annual number: 10 |
|
| UC1801 | Expiration of term |
Termination category: Others Termination date: 19941008 |