JPS5739359A - Noise detector - Google Patents

Noise detector

Info

Publication number
JPS5739359A
JPS5739359A JP11349180A JP11349180A JPS5739359A JP S5739359 A JPS5739359 A JP S5739359A JP 11349180 A JP11349180 A JP 11349180A JP 11349180 A JP11349180 A JP 11349180A JP S5739359 A JPS5739359 A JP S5739359A
Authority
JP
Japan
Prior art keywords
noises
comparator
capacitors
detected
larger
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
JP11349180A
Other languages
English (en)
Inventor
Ikuyasu Horinaka
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP11349180A priority Critical patent/JPS5739359A/ja
Publication of JPS5739359A publication Critical patent/JPS5739359A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/26—Measuring noise figure; Measuring signal-to-noise ratio

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Noise Elimination (AREA)
JP11349180A 1980-08-20 1980-08-20 Noise detector Pending JPS5739359A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11349180A JPS5739359A (en) 1980-08-20 1980-08-20 Noise detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11349180A JPS5739359A (en) 1980-08-20 1980-08-20 Noise detector

Publications (1)

Publication Number Publication Date
JPS5739359A true JPS5739359A (en) 1982-03-04

Family

ID=14613642

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11349180A Pending JPS5739359A (en) 1980-08-20 1980-08-20 Noise detector

Country Status (1)

Country Link
JP (1) JPS5739359A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5032039A (en) * 1989-06-16 1991-07-16 Daiho Construction Co., Ltd. Underground excavator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5032039A (en) * 1989-06-16 1991-07-16 Daiho Construction Co., Ltd. Underground excavator

Similar Documents

Publication Publication Date Title
CA2068215A1 (en) Analog to digital conversion with noise reduction
DE69011462D1 (de) Anordnung zum Laden einer Batterie.
US5594353A (en) Method and apparatus for measuring the change in capacitance values in dual capacitors
JPS5737905A (en) Envelope curve wave detecting circuit
AU535223B2 (en) Method for detection breakdowns in an electrostatic filter
KR970055042A (ko) 배터리 충전 모드 제어 회로
JPS5739359A (en) Noise detector
WO1991013363A3 (en) Signal conditioning circuit
JPS5737907A (en) Fm wave detector
KR910005053A (ko) 고주파수진폭 변조신호 비교회로
JPS6464581A (en) Revolution counter for dc motor
JPS5769237A (en) Temperature and humidity sensing device
SU1711094A1 (ru) Преобразователь емкости датчика
JPS56143728A (en) Detecting circuit for out-band signal or noise
ATE403265T1 (de) Demodulationsschaltung und demodulationsverfahren
SU661381A2 (ru) Датчик частоты
JPS56120218A (en) Peak detection circuit
SU819958A1 (ru) Преобразователь напр жени вчАСТОТу
JPS5619383A (en) Full-wave rectifying system
JPS5485368A (en) Switching power circuit
SU1285387A1 (ru) Устройство дл измерени амплитуды синусоидального напр жени
JPS5781721A (en) Pulse input detector
JPS5559335A (en) Humidity detector
JPS56168518A (en) Damage detection of sun gear
SU1329577A1 (ru) Устройство подавления узкополосных и импульсных помех