JPS5753637A - Monitoring device for vacuum degree of vacuum electric apparatus - Google Patents

Monitoring device for vacuum degree of vacuum electric apparatus

Info

Publication number
JPS5753637A
JPS5753637A JP12964080A JP12964080A JPS5753637A JP S5753637 A JPS5753637 A JP S5753637A JP 12964080 A JP12964080 A JP 12964080A JP 12964080 A JP12964080 A JP 12964080A JP S5753637 A JPS5753637 A JP S5753637A
Authority
JP
Japan
Prior art keywords
vacuum
vacuum degree
light
effect element
electric field
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
JP12964080A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6310773B2 (enrdf_load_stackoverflow
Inventor
Tomio Fukushima
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.)
Meidensha Corp
Meidensha Electric Manufacturing Co Ltd
Original Assignee
Meidensha Corp
Meidensha Electric Manufacturing Co 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 Meidensha Corp, Meidensha Electric Manufacturing Co Ltd filed Critical Meidensha Corp
Priority to JP12964080A priority Critical patent/JPS5753637A/ja
Publication of JPS5753637A publication Critical patent/JPS5753637A/ja
Publication of JPS6310773B2 publication Critical patent/JPS6310773B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
    • G01L11/02—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by optical means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Examining Or Testing Airtightness (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
JP12964080A 1980-09-18 1980-09-18 Monitoring device for vacuum degree of vacuum electric apparatus Granted JPS5753637A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12964080A JPS5753637A (en) 1980-09-18 1980-09-18 Monitoring device for vacuum degree of vacuum electric apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12964080A JPS5753637A (en) 1980-09-18 1980-09-18 Monitoring device for vacuum degree of vacuum electric apparatus

Publications (2)

Publication Number Publication Date
JPS5753637A true JPS5753637A (en) 1982-03-30
JPS6310773B2 JPS6310773B2 (enrdf_load_stackoverflow) 1988-03-09

Family

ID=15014497

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12964080A Granted JPS5753637A (en) 1980-09-18 1980-09-18 Monitoring device for vacuum degree of vacuum electric apparatus

Country Status (1)

Country Link
JP (1) JPS5753637A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58192199A (ja) * 1982-05-04 1983-11-09 日立機電工業株式会社 計量デ−タの遠方監視装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58192199A (ja) * 1982-05-04 1983-11-09 日立機電工業株式会社 計量デ−タの遠方監視装置

Also Published As

Publication number Publication date
JPS6310773B2 (enrdf_load_stackoverflow) 1988-03-09

Similar Documents

Publication Publication Date Title
CA2025204A1 (en) Spectrum measuring equipment
JPS5758115A (en) Photocoupler
JPS5753637A (en) Monitoring device for vacuum degree of vacuum electric apparatus
JPS56157872A (en) Light-applying voltage and electric field sensor
JPS56133640A (en) Monitoring device for degree of vacuum of vacuum electric equipment
JPS54130976A (en) Direction detection of bright side
JPS57173992A (en) Coupling device for semiconductor laser to optical fiber
JPS5750606A (en) Solar sensor
ATE44094T1 (de) Elektronischer optikfuellstandsdetektor mit doppeltem messwertaufnehmer.
JPS5655811A (en) Sensor
JPS5646210A (en) Optical switch
JPS57161661A (en) Measuring device by use of optical fiber
JPS57160071A (en) Electric field detector
JPS56114766A (en) Voltage-electric field measuring instrument by means of light
SU894356A1 (ru) Устройство дл контрол толщины оптических деталей
JPS57141516A (en) Liquid level sensor
JPS5598335A (en) Standard sample for light absorbing type analytical device
JPS578452A (en) Current and voltage sensor
JPS56122910A (en) Range finder
JPS5614174A (en) Photoelectric detector for transparent body of anisotropy
JPS55133025A (en) Photographing frame number detector of film
JPS56129821A (en) Ultrasonic level gauge
JPS5550105A (en) Moving distance meter for movable body
JPS5555243A (en) Device for measuring polarized fluorescent light
JPS5720669A (en) Voltage and electric field measuring device by light