JPS58186795U - Power-on initial reset circuit - Google Patents
Power-on initial reset circuitInfo
- Publication number
- JPS58186795U JPS58186795U JP8392682U JP8392682U JPS58186795U JP S58186795 U JPS58186795 U JP S58186795U JP 8392682 U JP8392682 U JP 8392682U JP 8392682 U JP8392682 U JP 8392682U JP S58186795 U JPS58186795 U JP S58186795U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- power
- output
- initial reset
- reset circuit
- 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
Landscapes
- Rectifiers (AREA)
- Continuous-Control Power Sources That Use Transistors (AREA)
- Electronic Switches (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来例の回路図、第２図ａ、 ｂ、 ｃ。
ｄは同上の波形図、第３図は本考案の一実施例を示す回
路図、第４図ａ、 ｂ、 ｃ、 ｄは同上の動作を
説明する波形図である。
ＡＣは交流電源、ＤＢは電波整流回路、Ｃ１は平滑用コ
ンチン４、Ｒ１は平滑用抵抗、ＶＲは定電 。
圧回路、−ｃｄは遅延用コンデンサ、Ｒｄは遅延用抵抗
、Ｑｌは検出用トランジスタ、Ｑ３は放電用トランジス
タ。Fig. 1 is a circuit diagram of a conventional example, and Fig. 2 a, b, c. d is a waveform diagram of the same as above, FIG. 3 is a circuit diagram showing an embodiment of the present invention, and FIGS. 4a, b, c, and d are waveform diagrams explaining the operation of the same. AC is an alternating current power supply, DB is a radio wave rectifier circuit, C1 is a smoothing continuum 4, R1 is a smoothing resistor, and VR is a constant voltage. -cd is a delay capacitor, Rd is a delay resistor, Ql is a detection transistor, and Q3 is a discharge transistor.
Claims (1)
電圧回路の出力を直流電源として電子回路に供給すると
共に、該出力を遅延用抵抗および遅延用コンデンサで遅
延しリセット信号として上記電子回路に供給するように
した電源投入初期リセット回路において、上記定電回路
の入出力端間の電位差を検出する検出用トランジスタを
設け、上記遅延用コンデンサと並列に接続された放電用
トランジスタを上記検出用トランジスタの出力により制
御せしめて、上記入出力端間電位差が一定値以下に低下
したとき上記遅延用コンデンサの電荷が上記放電用トラ
ンジスタを通って放電するようにしたことを特徴とする
電源投入初期リセット回路。The AC power supply voltage is applied to the constant voltage circuit via the rectifier circuit, and the output of the constant voltage circuit is supplied to the electronic circuit as a DC power supply, and the output is delayed by a delay resistor and a delay capacitor to be used as a reset signal in the electronic circuit. In the power-on initial reset circuit configured to supply a voltage to A power-on initial reset characterized by being controlled by the output of a transistor so that when the potential difference between the input and output terminals falls below a certain value, the charge in the delay capacitor is discharged through the discharge transistor. circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8392682U JPS58186795U (en) | 1982-06-04 | 1982-06-04 | Power-on initial reset circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8392682U JPS58186795U (en) | 1982-06-04 | 1982-06-04 | Power-on initial reset circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58186795U true JPS58186795U (en) | 1983-12-12 |
Family
ID=30092900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8392682U Pending JPS58186795U (en) | 1982-06-04 | 1982-06-04 | Power-on initial reset circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58186795U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11925477B2 (en) | 2006-05-03 | 2024-03-12 | Nike, Inc. | Athletic or other performance sensing systems |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4984687A (en) * | 1972-12-19 | 1974-08-14 | ||
| JPS53106524A (en) * | 1977-03-01 | 1978-09-16 | Toshiba Corp | Initial clear unit for digital circuit |
-
1982
- 1982-06-04 JP JP8392682U patent/JPS58186795U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4984687A (en) * | 1972-12-19 | 1974-08-14 | ||
| JPS53106524A (en) * | 1977-03-01 | 1978-09-16 | Toshiba Corp | Initial clear unit for digital circuit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11925477B2 (en) | 2006-05-03 | 2024-03-12 | Nike, Inc. | Athletic or other performance sensing systems |
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