JPS52123280A - Oscillation monitor - Google Patents

Oscillation monitor

Info

Publication number
JPS52123280A
JPS52123280A JP3935376A JP3935376A JPS52123280A JP S52123280 A JPS52123280 A JP S52123280A JP 3935376 A JP3935376 A JP 3935376A JP 3935376 A JP3935376 A JP 3935376A JP S52123280 A JPS52123280 A JP S52123280A
Authority
JP
Japan
Prior art keywords
oscillation monitor
monitor
oscillations
operating
providing
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
JP3935376A
Other languages
Japanese (ja)
Inventor
Izumi Yamada
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 JP3935376A priority Critical patent/JPS52123280A/en
Publication of JPS52123280A publication Critical patent/JPS52123280A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To monitor relatively inexpensively and specifically the oscillating conditions of a rotary machine by using the normalized means frequency and the effective level of the oscillations and by providing an operation circuit for operating the same, an indicating device and a warning device.
COPYRIGHT: (C)1977,JPO&Japio
JP3935376A 1976-04-09 1976-04-09 Oscillation monitor Pending JPS52123280A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3935376A JPS52123280A (en) 1976-04-09 1976-04-09 Oscillation monitor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3935376A JPS52123280A (en) 1976-04-09 1976-04-09 Oscillation monitor

Publications (1)

Publication Number Publication Date
JPS52123280A true JPS52123280A (en) 1977-10-17

Family

ID=12550702

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3935376A Pending JPS52123280A (en) 1976-04-09 1976-04-09 Oscillation monitor

Country Status (1)

Country Link
JP (1) JPS52123280A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008123440A1 (en) * 2007-03-30 2008-10-16 Airec Engineering Corporation Filling inspecting apparatus, and filling inspecting method
JP2020537147A (en) * 2017-10-11 2020-12-17 ビーピー エクスプロレーション オペレーティング カンパニー リミテッドＢｐ Ｅｘｐｌｏｒａｔｉｏｎ Ｏｐｅｒａｔｉｎｇ Ｃｏｍｐａｎｙ Ｌｉｍｉｔｅｄ Event detection using acoustic frequency domain features

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008123440A1 (en) * 2007-03-30 2008-10-16 Airec Engineering Corporation Filling inspecting apparatus, and filling inspecting method
JP2008249665A (en) * 2007-03-30 2008-10-16 Metropolitan Expressway Public Corp Filling degree inspection device and method
JP2020537147A (en) * 2017-10-11 2020-12-17 ビーピー エクスプロレーション オペレーティング カンパニー リミテッドＢｐ Ｅｘｐｌｏｒａｔｉｏｎ Ｏｐｅｒａｔｉｎｇ Ｃｏｍｐａｎｙ Ｌｉｍｉｔｅｄ Event detection using acoustic frequency domain features

Similar Documents

Publication Publication Date Title
JPS5289361A (en) Oscillation measuring device for body
JPS52123280A (en) Oscillation monitor
JPS5320845A (en) Quartz crystal watch
JPS52127606A (en) Compressor
JPS5434286A (en) Light quantity display device
JPS5347216A (en) Am receiver
JPS5231781A (en) Alarm circuit
JPS5316175A (en) Operation monitor
JPS5420430A (en) Combustion safety device
JPS5248956A (en) Single side-wave signal generator equipment
JPS5375609A (en) Mobile-body detecting apparatus
JPS5247569A (en) Vapor-liquid contact apparatus
JPS5390745A (en) Oscillator circuit
JPS5344070A (en) Measuring method for constant of mechanical oscillator
JPS5326556A (en) Astable mult ivibrator
JPS53137176A (en) Metronom
JPS5228815A (en) Afc circuit
JPS52107754A (en) Trouble detection unit of oscillator
JPS5364844A (en) High frequency wave heating device
JPS51124216A (en) Chopper electric car control device
JPS5315646A (en) High frequency wave heating device
JPS51139035A (en) Intermittent wiper drive device
JPS5376452A (en) Frost-detecting device
JPS5263018A (en) Printing head driving device
JPS5320521A (en) Motor control device