JPS6377428U - - Google Patents

Info

Publication number
JPS6377428U
JPS6377428U JP17056886U JP17056886U JPS6377428U JP S6377428 U JPS6377428 U JP S6377428U JP 17056886 U JP17056886 U JP 17056886U JP 17056886 U JP17056886 U JP 17056886U JP S6377428 U JPS6377428 U JP S6377428U
Authority
JP
Japan
Prior art keywords
signal
generating
power supply
power
generating means
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
Application number
JP17056886U
Other languages
Japanese (ja)
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 JP17056886U priority Critical patent/JPS6377428U/ja
Publication of JPS6377428U publication Critical patent/JPS6377428U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Emergency Protection Circuit Devices (AREA)

Description

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

第１図は本考案実施例の回路構成を示す図、第
２図は第１図の回路の要部の信号波形を示す図、
第３図は本考案の他の実施例の回路構成を示す図
、第４図は第３図の回路の要部の信号波形を示す
図である。 １，１１……商用交流電源、４，１４……コン
パレータ、１５……ワンシヨツト回路、１６……
ＮＯＴ回路、１７……ＡＮＤ回路、Ｒ１〜Ｒ１０
……抵抗、Ｃ１，Ｃ２……コンデンサ、Ｑ……ト
ランジスタ。 FIG. 1 is a diagram showing the circuit configuration of an embodiment of the present invention, FIG. 2 is a diagram showing signal waveforms of the main parts of the circuit in FIG. 1,
FIG. 3 is a diagram showing a circuit configuration of another embodiment of the present invention, and FIG. 4 is a diagram showing signal waveforms of main parts of the circuit of FIG. 3. 1, 11... Commercial AC power supply, 4, 14... Comparator, 15... One shot circuit, 16...
NOT circuit, 17...AND circuit, R1 to R10
...Resistor, C1, C2...Capacitor, Q...Transistor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 交流電源電圧の零電圧点を基点とする信号を発
生する第１の信号発生手段と、上記信号が定レベ
ルを継続するか否かを判定する判定手段と、上記
判定に応じて交流電源の停電と非停電に対応した
２値化信号を発生する第２の信号発生手段とを備
えたことを特徴とする交流停電検出回路。 a first signal generating means for generating a signal based on the zero voltage point of the AC power supply voltage; a determining means for determining whether the signal continues at a constant level; and a power outage of the AC power supply according to the determination. and second signal generating means for generating a binary signal corresponding to non-power outages.
JP17056886U 1986-11-06 1986-11-06 Pending JPS6377428U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17056886U JPS6377428U (en) 1986-11-06 1986-11-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17056886U JPS6377428U (en) 1986-11-06 1986-11-06

Publications (1)

Publication Number Publication Date
JPS6377428U true JPS6377428U (en) 1988-05-23

Family

ID=31105413

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17056886U Pending JPS6377428U (en) 1986-11-06 1986-11-06

Country Status (1)

Country Link
JP (1) JPS6377428U (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50143048A (en) * 1974-05-06 1975-11-18
JPS5315549A (en) * 1976-07-28 1978-02-13 Nisshin Denki Aac power source voltage drop detection circuit
JPS58119727A (en) * 1982-01-08 1983-07-16 富士ゼロックス株式会社 Power source malfunction detecting circuit
JPS58129833A (en) * 1982-01-27 1983-08-03 Hitachi Ltd Variable frequency divider
JPS6087615A (en) * 1983-10-18 1985-05-17 富士ゼロックス株式会社 Power source momentary dsconnection and decrease detector

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50143048A (en) * 1974-05-06 1975-11-18
JPS5315549A (en) * 1976-07-28 1978-02-13 Nisshin Denki Aac power source voltage drop detection circuit
JPS58119727A (en) * 1982-01-08 1983-07-16 富士ゼロックス株式会社 Power source malfunction detecting circuit
JPS58129833A (en) * 1982-01-27 1983-08-03 Hitachi Ltd Variable frequency divider
JPS6087615A (en) * 1983-10-18 1985-05-17 富士ゼロックス株式会社 Power source momentary dsconnection and decrease detector

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