JPS6165364U - - Google Patents
Info
- Publication number
- JPS6165364U JPS6165364U JP14951184U JP14951184U JPS6165364U JP S6165364 U JPS6165364 U JP S6165364U JP 14951184 U JP14951184 U JP 14951184U JP 14951184 U JP14951184 U JP 14951184U JP S6165364 U JPS6165364 U JP S6165364U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- capacitor
- change detection
- constant
- charging
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Measurement Of Current Or Voltage (AREA)
Description
第１図はこの考案の電圧変化検出回路の第１実
施例を示す回路図、第２図はその動作波形を示す
説明図、第３図はこの考案の電圧変化検出回路の
第２実施例を示す回路図、第４図はその動作波形
を示す説明図、第５図はこの考案の電圧変化検出
回路の第３実施例を示す回路図である。
１０，３０……電圧変化検出回路、１４，３４
……コンデンサ、１８，３８……比較器を構成す
るトランジスタ、２０，４０……定電圧素子とし
てのツエナーダイオード。
FIG. 1 is a circuit diagram showing a first embodiment of the voltage change detection circuit of this invention, FIG. 2 is an explanatory diagram showing its operating waveforms, and FIG. 3 is a circuit diagram showing a second embodiment of the voltage change detection circuit of this invention. FIG. 4 is an explanatory diagram showing its operating waveforms, and FIG. 5 is a circuit diagram showing a third embodiment of the voltage change detection circuit of this invention. 10, 30... Voltage change detection circuit, 14, 34
... Capacitor, 18, 38 ... Transistor constituting the comparator, 20, 40 ... Zener diode as a constant voltage element.
Claims (1)
、基準電圧を設定する定電圧素子と、この定電圧
素子を介して与えられる前記被変化検出電圧と前
記コンデンサの充電電圧とを比較し定電圧素子で
与えられる基準電圧範囲を越える電圧変化が生じ
たとき比較出力を発生する比較回路とから構成し
たことを特徴とする電圧変化検出回路。 (2) 前記比較回路はトランジスタで構成し、そ
のベースに前記定電圧素子を介して被変化検出電
圧を印加するとともに、そのエミツタに前記コン
デンサの充電電圧を印加し、そのコレクタから比
較出力を取り出すようにした実用新案登録請求の
範囲第１項に記載の電圧変化検出回路。[Claims for Utility Model Registration] (1) A capacitor that is charged with a detected voltage, a constant voltage element that sets a reference voltage, and a voltage that is applied to the detected voltage that is applied via the constant voltage element and the capacitor. 1. A voltage change detection circuit comprising a comparison circuit that compares a charging voltage with a charging voltage and generates a comparison output when a voltage change exceeding a reference voltage range given by a constant voltage element occurs. (2) The comparator circuit is composed of a transistor, which applies a change detection voltage to its base via the constant voltage element, applies the charging voltage of the capacitor to its emitter, and takes out a comparison output from its collector. A voltage change detection circuit according to claim 1 of the utility model registration claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14951184U JPH06776Y2 (en) | 1984-10-02 | 1984-10-02 | Voltage change detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14951184U JPH06776Y2 (en) | 1984-10-02 | 1984-10-02 | Voltage change detection circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6165364U true JPS6165364U (en) | 1986-05-06 |
| JPH06776Y2 JPH06776Y2 (en) | 1994-01-05 |
Family
ID=30707687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14951184U Expired - Lifetime JPH06776Y2 (en) | 1984-10-02 | 1984-10-02 | Voltage change detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06776Y2 (en) |
-
1984
- 1984-10-02 JP JP14951184U patent/JPH06776Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06776Y2 (en) | 1994-01-05 |
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