JPS6413827A - Signal detection circuit - Google Patents

Signal detection circuit

Info

Publication number
JPS6413827A
JPS6413827A JP62170448A JP17044887A JPS6413827A JP S6413827 A JPS6413827 A JP S6413827A JP 62170448 A JP62170448 A JP 62170448A JP 17044887 A JP17044887 A JP 17044887A JP S6413827 A JPS6413827 A JP S6413827A
Authority
JP
Japan
Prior art keywords
analog
digital conversion
signal
count
timing
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
JP62170448A
Other languages
Japanese (ja)
Inventor
Koichiro Takeda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP62170448A priority Critical patent/JPS6413827A/en
Publication of JPS6413827A publication Critical patent/JPS6413827A/en
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Current Or Voltage (AREA)
  • Analogue/Digital Conversion (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)

Abstract

PURPOSE:To detect signal power for a consecutive modulation wave and a fault of a signal transmission system by outputting a digital value in response to an input signal level periodically even in the consecutive signal state or a non signal state. CONSTITUTION:A comparison means 11 compares an input signal voltage with a reference voltage and a delay means 13 generates a pulse in a delay timing of a prescribed time in response to the comparison output. An analog/digital conversion means 15 applies the analog/digital conversion of the input signal voltage in the input timing of the pulse. A count means 17 starts time counting in the conversion operation timing of the analog/digital conversion means 15 and sends a conversion control signal to the analog/digital conversion means 15 when the count reaches a prescribed count.
JP62170448A 1987-07-08 1987-07-08 Signal detection circuit Pending JPS6413827A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62170448A JPS6413827A (en) 1987-07-08 1987-07-08 Signal detection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62170448A JPS6413827A (en) 1987-07-08 1987-07-08 Signal detection circuit

Publications (1)

Publication Number Publication Date
JPS6413827A true JPS6413827A (en) 1989-01-18

Family

ID=15905117

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62170448A Pending JPS6413827A (en) 1987-07-08 1987-07-08 Signal detection circuit

Country Status (1)

Country Link
JP (1) JPS6413827A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8382415B1 (en) 2006-09-05 2013-02-26 Harold Goldbaum Rapid-engaging and positive-locking threaded configuration

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8382415B1 (en) 2006-09-05 2013-02-26 Harold Goldbaum Rapid-engaging and positive-locking threaded configuration

Similar Documents

Publication Publication Date Title
CA2085751A1 (en) Device for monitoring a control unit
EP0298741A3 (en) Driver circuit
DE68924322D1 (en) Circuit for electromagnetic rotation sensor.
JPS6413827A (en) Signal detection circuit
EP0350184A3 (en) Pulse train interruption sensing circuit
JPS6413824A (en) Signal detection circuit
JPS5639630A (en) Pulse generating circuit for digital-analog conversion
EP0314872A3 (en) Digital gate pulse generator for cycloconverter control
DE3462627D1 (en) Electronic electricity meter with automatic measuring range extension
JPS5749883A (en) Time switch
SU881771A1 (en) Device for simulating delay of relay systems
JPS57194627A (en) Protecting device for load control circuit
CA2056197A1 (en) Circuit for generating a disk change signal
KR900001128A (en) Remote Control Switch Unit
DE3564345D1 (en) Circuitry for monitoring a pulsetrain
JPS5735713A (en) Raster scanning type display device
EP0314510A3 (en) Electronic volume device
JPS5529722A (en) Current measuring unit
JPS56161717A (en) Input signal protecting circuit
JPS5753141A (en) Oscillation detecting circuit
JPS5791674A (en) Inverter ignition signal generating circuit
JPS57109447A (en) Optical data transmission system
JPS6439831A (en) Analog/digital converter
JPS5792918A (en) Monitor device for pulse signal
JPS57116401A (en) Frequency multiplying circuit