JPH01104564U - - Google Patents
Info
- Publication number
- JPH01104564U JPH01104564U JP19937987U JP19937987U JPH01104564U JP H01104564 U JPH01104564 U JP H01104564U JP 19937987 U JP19937987 U JP 19937987U JP 19937987 U JP19937987 U JP 19937987U JP H01104564 U JPH01104564 U JP H01104564U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- source
- power
- power source
- potential
- 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 description 5
- 238000005259 measurement Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Measurement Of Current Or Voltage (AREA)
Description
第１図は本考案の一実施例になる電圧監視装置
の回路図、第２図は従来の電圧監視装置の回路図
、第３図は第２図の電圧監視装置の動作タイミン
グチヤート、第４図は第２図の具体的な回路図を
夫々示す。
２０……定電圧源、２１……比較器、２２……
電圧監視装置、２３……出力回路、Ｒ１１〜Ｒ１
３……抵抗、ＴＲ１１〜ＴＲ１２……トランジス
タ。
FIG. 1 is a circuit diagram of a voltage monitoring device according to an embodiment of the present invention, FIG. 2 is a circuit diagram of a conventional voltage monitoring device, FIG. 3 is an operation timing chart of the voltage monitoring device shown in FIG. The figures show specific circuit diagrams of FIG. 2, respectively. 20... constant voltage source, 21... comparator, 22...
Voltage monitoring device, 23...output circuit, R11 to R1
3 ...Resistor, TR11 - TR12 ...Transistor.
Claims (1)
と、接地端部と、前記電源入力端部の電位を測定
し、測定結果を出力する出力端部と、 前記電源入力端部と前記接地端部間に抵抗と定
電圧源と、前記電源入力端部と接地間電位を分圧
する分圧回路と、前記定電圧源と前記分圧回路の
分圧された値とを比較する比較部と、該比較部で
の比較結果を出力する出力部とをＭＯＳにより一
体に形成したことを特徴とする電圧監視装置。[Claims for Utility Model Registration] A power input end that serves as both a driving power source and a power source to be measured, a grounding end, an output end that measures the potential of the power input end and outputs the measurement result, and the power source. A resistor and a constant voltage source between the input terminal and the ground terminal, a voltage divider circuit that divides the potential between the power supply input terminal and the ground, and a voltage divided value of the constant voltage source and the voltage divider circuit. 1. A voltage monitoring device characterized in that a comparison section for comparing the voltages and an output section for outputting the comparison results of the comparison section are integrally formed using MOS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19937987U JPH01104564U (en) | 1987-12-29 | 1987-12-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19937987U JPH01104564U (en) | 1987-12-29 | 1987-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01104564U true JPH01104564U (en) | 1989-07-14 |
Family
ID=31489831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19937987U Pending JPH01104564U (en) | 1987-12-29 | 1987-12-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01104564U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5415782A (en) * | 1977-06-17 | 1979-02-05 | Seiko Epson Corp | Voltage detecting circuit |
| JPS59111066A (en) * | 1982-12-17 | 1984-06-27 | Nippon Texas Instr Kk | Circuit for detecting variation in voltage of power source |
| JPH01156674A (en) * | 1987-12-15 | 1989-06-20 | Seiko Instr & Electron Ltd | Voltage detecting circuit |
-
1987
- 1987-12-29 JP JP19937987U patent/JPH01104564U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5415782A (en) * | 1977-06-17 | 1979-02-05 | Seiko Epson Corp | Voltage detecting circuit |
| JPS59111066A (en) * | 1982-12-17 | 1984-06-27 | Nippon Texas Instr Kk | Circuit for detecting variation in voltage of power source |
| JPH01156674A (en) * | 1987-12-15 | 1989-06-20 | Seiko Instr & Electron Ltd | Voltage detecting circuit |
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