JPH0350940U - - Google Patents
Info
- Publication number
- JPH0350940U JPH0350940U JP11250589U JP11250589U JPH0350940U JP H0350940 U JPH0350940 U JP H0350940U JP 11250589 U JP11250589 U JP 11250589U JP 11250589 U JP11250589 U JP 11250589U JP H0350940 U JPH0350940 U JP H0350940U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- voltage
- drop
- supply voltage
- detecting
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Stand-By Power Supply Arrangements (AREA)
Description
第１図は本考案の一実施例のブロツク図、第２
図は従来の一例のブロツク図である。
１，２……電源回路、３……メータ制御回路、
４……スピードメータ駆動回路、５……交差コイ
ル式計器、６……モータ駆動回路、７……モータ
、８……低電圧検出回路。
Fig. 1 is a block diagram of an embodiment of the present invention;
The figure is a block diagram of a conventional example. 1, 2...power supply circuit, 3...meter control circuit,
4...Speedometer drive circuit, 5...Cross coil type instrument, 6...Motor drive circuit, 7...Motor, 8...Low voltage detection circuit.
Claims (1)
該駆動電圧を印加する電源装置において、 一定の電源電圧より前記駆動電圧を生成すると
共に該電源電圧が低下した際に電源を供給するバ
ツクアツプ用の電源を有する電源回路と、 前記電源電圧の低下を検出する電圧低下検出回
路と、 前記電圧低下検出回路が前記電源電圧の低下を
検出したときに、前記複数の回路のうち前記電源
電圧低下時に電源のバツクアツプが不要な回路の
動作を停止させる手段とを具備してなる電源装置
。[Claims for Utility Model Registration] In a power supply device that applies a drive voltage to a plurality of circuits driven by the same drive voltage, the drive voltage is generated from a constant power supply voltage, and when the power supply voltage decreases, a power supply circuit having a backup power supply for supplying power; a voltage drop detection circuit for detecting a drop in the power supply voltage; and a voltage drop detection circuit for detecting a drop in the power supply voltage, and A power supply device comprising means for stopping the operation of circuits that do not require power backup when the power supply voltage drops.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11250589U JPH0350940U (en) | 1989-09-26 | 1989-09-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11250589U JPH0350940U (en) | 1989-09-26 | 1989-09-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0350940U true JPH0350940U (en) | 1991-05-17 |
Family
ID=31660949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11250589U Pending JPH0350940U (en) | 1989-09-26 | 1989-09-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0350940U (en) |
-
1989
- 1989-09-26 JP JP11250589U patent/JPH0350940U/ja active Pending
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