JPS61105869U - - Google Patents

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Publication number
JPS61105869U
JPS61105869U JP19154184U JP19154184U JPS61105869U JP S61105869 U JPS61105869 U JP S61105869U JP 19154184 U JP19154184 U JP 19154184U JP 19154184 U JP19154184 U JP 19154184U JP S61105869 U JPS61105869 U JP S61105869U
Authority
JP
Japan
Prior art keywords
power supply
voltage
connection point
circuit
supply voltage
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
Application number
JP19154184U
Other languages
Japanese (ja)
Other versions
JPH0541415Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1984191541U priority Critical patent/JPH0541415Y2/ja
Publication of JPS61105869U publication Critical patent/JPS61105869U/ja
Application granted granted Critical
Publication of JPH0541415Y2 publication Critical patent/JPH0541415Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Measurement Of Current Or Voltage (AREA)
  • Electronic Switches (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はこの考案の一実施例回路を示す電気回
路図、第２図は第１図回路の動作を説明するため
のタイミングチヤートである。 図中、１……電圧検出端子、２……出力端子、
Ｒ１，Ｒ２，Ｒ３，Ｒ４，Ｒ５，Ｒ６……抵抗、
Ｚ１……定電圧ダイオード、Ｄ１……ダイオード
、ＴＲ１……ＰＮＰトランジスタ、ＴＲ２……Ｎ
ＰＮトランジスタ、Ｃ１……コンデンサ。 FIG. 1 is an electric circuit diagram showing an embodiment of the circuit of this invention, and FIG. 2 is a timing chart for explaining the operation of the circuit shown in FIG. In the figure, 1... voltage detection terminal, 2... output terminal,
R1, R2, R3, R4, R5, R6...Resistance,
Z1... Constant voltage diode, D1... Diode, TR1... PNP transistor, TR2... N
PN transistor, C1... capacitor.

Claims (1)

【実用新案登録請求の範囲】 (1) 電源に抵抗と定電圧ダイオードを直列に接
続し、電源電圧低下時にも一定の電圧を発生する
接続点を有する第１の直列回路と、上記電源に直
列接続された抵抗より成り上記電源電圧を分圧す
る接続点を有する第２の直列回路と、上記第１の
直列回路の接続点にエミツタが接続され、上記第
２の直列回路の接続点にベースが接続され、上記
電源電圧の変化によつてオン、オフするトランジ
スタとを備え、上記電源電圧が所定の設定電圧以
下に低下したときリセツト信号を発生することを
特徴とする電圧検出リセツト回路。 (2) トランジスタをＰＮＰトランジスタで構成
したことを特徴とする実用新案登録請求の範囲第
１項記載の電圧検出リセツト回路。[Claims for Utility Model Registration] (1) A first series circuit in which a resistor and a voltage regulator diode are connected in series to a power supply, and a connection point that generates a constant voltage even when the power supply voltage drops; An emitter is connected to the connection point of the first series circuit and a second series circuit comprising connected resistors and has a connection point for dividing the power supply voltage, and a base is connected to the connection point of the second series circuit. 1. A voltage detection reset circuit comprising: a transistor connected to the circuit and turned on and off according to a change in the power supply voltage, and generating a reset signal when the power supply voltage drops below a predetermined set voltage. (2) The voltage detection reset circuit according to claim 1, wherein the transistor is a PNP transistor.
JP1984191541U 1984-12-18 1984-12-18 Expired - Lifetime JPH0541415Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984191541U JPH0541415Y2 (en) 1984-12-18 1984-12-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984191541U JPH0541415Y2 (en) 1984-12-18 1984-12-18

Publications (2)

Publication Number Publication Date
JPS61105869U true JPS61105869U (en) 1986-07-05
JPH0541415Y2 JPH0541415Y2 (en) 1993-10-20

Family

ID=30748980

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984191541U Expired - Lifetime JPH0541415Y2 (en) 1984-12-18 1984-12-18

Country Status (1)

Country Link
JP (1) JPH0541415Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01128113A (en) * 1987-11-12 1989-05-19 Kyushu Hitachi Maxell Ltd Compact electrical equipment

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5171937A (en) * 1974-12-18 1976-06-22 Seiko Instr & Electronics
JPS54135151U (en) * 1978-03-13 1979-09-19
JPS55147365A (en) * 1979-05-04 1980-11-17 Koito Mfg Co Ltd Device for warning reduction of capacity of battery
JPS57173072U (en) * 1981-04-27 1982-10-30

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5171937A (en) * 1974-12-18 1976-06-22 Seiko Instr & Electronics
JPS54135151U (en) * 1978-03-13 1979-09-19
JPS55147365A (en) * 1979-05-04 1980-11-17 Koito Mfg Co Ltd Device for warning reduction of capacity of battery
JPS57173072U (en) * 1981-04-27 1982-10-30

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01128113A (en) * 1987-11-12 1989-05-19 Kyushu Hitachi Maxell Ltd Compact electrical equipment

Also Published As

Publication number Publication date
JPH0541415Y2 (en) 1993-10-20

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