JPH0397728U - - Google Patents
Info
- Publication number
- JPH0397728U JPH0397728U JP696790U JP696790U JPH0397728U JP H0397728 U JPH0397728 U JP H0397728U JP 696790 U JP696790 U JP 696790U JP 696790 U JP696790 U JP 696790U JP H0397728 U JPH0397728 U JP H0397728U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- backup power
- comparator
- monitors
- monitoring circuit
- 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
- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Power Sources (AREA)
Description
第１図は本考案による電池監視回路の実施例を
示す結線図、第２図は従来の電池監視回路の一例
を示す結線図である。
１……電池、１３……トランジスタ、１４……
抵抗。
FIG. 1 is a wiring diagram showing an embodiment of a battery monitoring circuit according to the present invention, and FIG. 2 is a wiring diagram showing an example of a conventional battery monitoring circuit. 1...Battery, 13...Transistor, 14...
resistance.
Claims (1)
ンパレータと電源電池はずれを監視するコンパレ
ータを備えたバツクアツプ電源監視回路において
、バツクアツプ電源と並列にテスト信号でオンす
るトランジスタのエミツタ・コレクタと抵抗との
直列回路を接続したことを特徴とするバツクアツ
プ電源監視回路。 In a backup power supply monitoring circuit equipped with a comparator that monitors the voltage of the backup power supply for memory and a comparator that monitors the power supply battery disconnection, a series circuit of the emitter-collector of a transistor that is turned on by a test signal and a resistor is connected in parallel with the backup power supply. A backup power supply monitoring circuit characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP696790U JPH0397728U (en) | 1990-01-26 | 1990-01-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP696790U JPH0397728U (en) | 1990-01-26 | 1990-01-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0397728U true JPH0397728U (en) | 1991-10-08 |
Family
ID=31510636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP696790U Pending JPH0397728U (en) | 1990-01-26 | 1990-01-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0397728U (en) |
-
1990
- 1990-01-26 JP JP696790U patent/JPH0397728U/ja active Pending
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