KR830002505Y1 - A. c 정전 자동 경보회로장치 - Google Patents
A. c 정전 자동 경보회로장치 Download PDFInfo
- Publication number
- KR830002505Y1 KR830002505Y1 KR2019810008351U KR810008351U KR830002505Y1 KR 830002505 Y1 KR830002505 Y1 KR 830002505Y1 KR 2019810008351 U KR2019810008351 U KR 2019810008351U KR 810008351 U KR810008351 U KR 810008351U KR 830002505 Y1 KR830002505 Y1 KR 830002505Y1
- Authority
- KR
- South Korea
- Prior art keywords
- transistor
- voltage
- power failure
- buzzer
- bat
- 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
Landscapes
- Emergency Alarm Devices (AREA)
Abstract
Description
Claims (1)
- 트랜지스터(Q1)의 에미터(E)는 전지(BAT)의 일측과 연결하며 콜렉터(C)는 트랜지스터(Q2)의 베이스(B)에 연결하고 트랜지스터(Q2)의 콜렉터(C)와 전지(BAT )의 일측 사이에는 부져(BZ)를 연결하며 트랜지스터(Q2)의 에이터(E)는 전지(BAT)의 타측에 연결하고 트랜지스터(Q1)의 베이스(B)에는 제어다이오드(D2)의 캐소를 연결하며 그 애노드는 전지(BAT)의 타측에 접속하여서 된 A.C 정전자동경보 회로장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019810008351U KR830002505Y1 (ko) | 1981-12-10 | 1981-12-10 | A. c 정전 자동 경보회로장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019810008351U KR830002505Y1 (ko) | 1981-12-10 | 1981-12-10 | A. c 정전 자동 경보회로장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR830002084U KR830002084U (ko) | 1983-11-14 |
KR830002505Y1 true KR830002505Y1 (ko) | 1983-12-05 |
Family
ID=19223486
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019810008351U Expired KR830002505Y1 (ko) | 1981-12-10 | 1981-12-10 | A. c 정전 자동 경보회로장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR830002505Y1 (ko) |
-
1981
- 1981-12-10 KR KR2019810008351U patent/KR830002505Y1/ko not_active Expired
Also Published As
Publication number | Publication date |
---|---|
KR830002084U (ko) | 1983-11-14 |
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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: 19811210 |
|
UA0201 | Request for examination |
Patent event date: 19811210 Patent event code: UA02012R01D Comment text: Request for Examination of Application |
|
UE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event code: UE09021S01D Patent event date: 19830616 |
|
UG1501 | Laying open of application | ||
UG1604 | Publication of application | ||
E701 | Decision to grant or registration of patent right | ||
UE0701 | Decision of registration |
Patent event date: 19840223 Comment text: Decision to Grant Registration Patent event code: UE07011S01D |