JPH0639439Y2 - 直流安定化電源の停電警報回路 - Google Patents
直流安定化電源の停電警報回路Info
- Publication number
- JPH0639439Y2 JPH0639439Y2 JP12250188U JP12250188U JPH0639439Y2 JP H0639439 Y2 JPH0639439 Y2 JP H0639439Y2 JP 12250188 U JP12250188 U JP 12250188U JP 12250188 U JP12250188 U JP 12250188U JP H0639439 Y2 JPH0639439 Y2 JP H0639439Y2
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- power failure
- capacitor
- input
- resistor
- 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 - Lifetime
Links
Landscapes
- Power Sources (AREA)
- Emergency Alarm Devices (AREA)
- Emergency Protection Circuit Devices (AREA)
- Stand-By Power Supply Arrangements (AREA)
- Protection Of Static Devices (AREA)
- Control Of Voltage And Current In General (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12250188U JPH0639439Y2 (ja) | 1988-09-19 | 1988-09-19 | 直流安定化電源の停電警報回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12250188U JPH0639439Y2 (ja) | 1988-09-19 | 1988-09-19 | 直流安定化電源の停電警報回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0246297U JPH0246297U (en, 2012) | 1990-03-29 |
JPH0639439Y2 true JPH0639439Y2 (ja) | 1994-10-12 |
Family
ID=31370495
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12250188U Expired - Lifetime JPH0639439Y2 (ja) | 1988-09-19 | 1988-09-19 | 直流安定化電源の停電警報回路 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0639439Y2 (en, 2012) |
-
1988
- 1988-09-19 JP JP12250188U patent/JPH0639439Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0246297U (en, 2012) | 1990-03-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2628642B2 (ja) | 自動電圧切替電源 | |
US6515379B1 (en) | Power supply apparatus, method, and electronic apparatus | |
US6275011B1 (en) | Charging device having a broad voltage changing range, automatic charging cutoff based on temperature detection, and charging status maintenance. | |
GB2259814A (en) | Circuit for controlling discharge of a battery prior to charging | |
US4757341A (en) | AC contactless switch | |
JPH0639439Y2 (ja) | 直流安定化電源の停電警報回路 | |
TW417321B (en) | Charging and discharging control circuit and charging type power supply device | |
JPH0332327A (ja) | 充電制御回路 | |
JP2680581B2 (ja) | 電源装置 | |
US4853606A (en) | Secondary battery quick charging circuit | |
JPH036728B2 (en, 2012) | ||
JPS6377383A (ja) | 起動回路 | |
JPS6336467Y2 (en, 2012) | ||
JPH0219856Y2 (en, 2012) | ||
JPS62152372A (ja) | 電源装置 | |
JP2522713Y2 (ja) | 充電器制御回路 | |
JPH0220613Y2 (en, 2012) | ||
KR910006682Y1 (ko) | 마이크로 프로세서의 인터럽 검출회로 | |
JPH0970145A (ja) | 定電圧充電器 | |
JPH0393460A (ja) | 2電圧電源装置 | |
JPH08305986A (ja) | 防災監視装置の電源切替回路 | |
JPH0898434A (ja) | 照明装置 | |
JPH04150734A (ja) | 二次電池の充電回路 | |
JPH03855Y2 (en, 2012) | ||
JP2540953Y2 (ja) | 交流負荷の電力制御回路 |