JPH0468442U - - Google Patents
Info
- Publication number
- JPH0468442U JPH0468442U JP11297490U JP11297490U JPH0468442U JP H0468442 U JPH0468442 U JP H0468442U JP 11297490 U JP11297490 U JP 11297490U JP 11297490 U JP11297490 U JP 11297490U JP H0468442 U JPH0468442 U JP H0468442U
- Authority
- JP
- Japan
- Prior art keywords
- battery
- backup
- circuit
- battery backup
- loss
- 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
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Power Sources (AREA)
- Stand-By Power Supply Arrangements (AREA)
Description
第１図はこの考案の一実施例の通常状態の回路
図、第２図はバツテリーバツクアツプ状態の回路
図、第３図はバツテリー交換時の回路図、第４図
は従来のバツテリーバツクアツプ回路図である。
図において、１は主電源、２はバツテリー、３は
予備バツテリー、４は電源切換回路、５はバツテ
リーバツクアツプ回路を示す。なお、図中、同一
符号は同一、又は相当部分を示す。
Fig. 1 is a circuit diagram of an embodiment of this invention in a normal state, Fig. 2 is a circuit diagram in a battery backup state, Fig. 3 is a circuit diagram when replacing a battery, and Fig. 4 is a conventional battery backup circuit. It is a diagram.
In the figure, 1 is a main power source, 2 is a battery, 3 is a spare battery, 4 is a power supply switching circuit, and 5 is a battery backup circuit. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
いて、バツテリーの交換によるバツクアツプ内容
の消失を防ぐことを特徴とする多重バツテリーバ
ツクアツプ回路。 A multiple battery backup circuit characterized in that, in a circuit requiring battery backup, loss of backup contents due to battery replacement is prevented.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11297490U JPH0468442U (en) | 1990-10-26 | 1990-10-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11297490U JPH0468442U (en) | 1990-10-26 | 1990-10-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0468442U true JPH0468442U (en) | 1992-06-17 |
Family
ID=31860505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11297490U Pending JPH0468442U (en) | 1990-10-26 | 1990-10-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0468442U (en) |
-
1990
- 1990-10-26 JP JP11297490U patent/JPH0468442U/ja active Pending