JPS6383939U - - Google Patents
Info
- Publication number
- JPS6383939U JPS6383939U JP17760186U JP17760186U JPS6383939U JP S6383939 U JPS6383939 U JP S6383939U JP 17760186 U JP17760186 U JP 17760186U JP 17760186 U JP17760186 U JP 17760186U JP S6383939 U JPS6383939 U JP S6383939U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- detecting
- condition
- power
- met
- 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
- 238000012806 monitoring device Methods 0.000 claims 2
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 230000001960 triggered effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Emergency Protection Circuit Devices (AREA)
Description
第１図はこの考案の一実施例の全体構成図、第
２図は実施例の動作のタイムチヤート、第３図は
実施例の動作のフローチヤート、第４図は従来例
の構成図、第５図は従来例の動作のタイムチヤー
ト、第６図は従来例の動作のフローチヤートであ
る。
１０……スイツチ、３０……ＣＰＵ、４０……
コンパレータ、８０……タイマー、ＬＥＤ……発
光ダイオード、ＶＢＡＴ……バツテリ電源。
Fig. 1 is an overall configuration diagram of an embodiment of this invention, Fig. 2 is a time chart of the operation of the embodiment, Fig. 3 is a flow chart of the operation of the embodiment, and Fig. 4 is a block diagram of a conventional example. FIG. 5 is a time chart of the operation of the conventional example, and FIG. 6 is a flow chart of the operation of the conventional example. 10...Switch, 30...CPU, 40...
Comparator, 80...timer, LED...light emitting diode, VBAT...battery power supply.
Claims (1)
が動作限界に近いことを示す第１の電源条件が成
立したとき、外部に出力表示し、この第１の電源
条件より厳しい第２の電源条件が成立したとき、
上記電子機器をパワーダウンして保護する電源電
圧低下監視装置において、 上記電源の電圧が所定レベルに低下したことを
検出することによつて上記第１の電源条件の成立
を検出する手段と、 この手段による検出によつてトリガーされて所
定時間を計時し、この所定時間の経過を検出する
ことによつて、上記第２の電源条件の成立を検出
する手段と、 を有することを特徴とする電源電圧低下監視装
置。[Claims for Utility Model Registration] In order to monitor the power supply of an electronic device, when a first power condition indicating that the electronic device is close to its operating limit is established, an output is displayed externally, and this first power condition is When the second, more severe power condition is met,
In the power supply voltage drop monitoring device that protects the electronic equipment by powering down, means for detecting that the first power supply condition is met by detecting that the voltage of the power supply has decreased to a predetermined level; a means for measuring a predetermined time triggered by the detection by the means, and detecting the establishment of the second power supply condition by detecting the elapse of the predetermined time. Voltage drop monitoring device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17760186U JPS6383939U (en) | 1986-11-20 | 1986-11-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17760186U JPS6383939U (en) | 1986-11-20 | 1986-11-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6383939U true JPS6383939U (en) | 1988-06-01 |
Family
ID=31118952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17760186U Pending JPS6383939U (en) | 1986-11-20 | 1986-11-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6383939U (en) |
-
1986
- 1986-11-20 JP JP17760186U patent/JPS6383939U/ja active Pending
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