JPS52142471A - Method of detecting resistance value of electron tube heater element - Google Patents

Method of detecting resistance value of electron tube heater element

Info

Publication number
JPS52142471A
JPS52142471A JP5857377A JP5857377A JPS52142471A JP S52142471 A JPS52142471 A JP S52142471A JP 5857377 A JP5857377 A JP 5857377A JP 5857377 A JP5857377 A JP 5857377A JP S52142471 A JPS52142471 A JP S52142471A
Authority
JP
Japan
Prior art keywords
resistance value
heater element
electron tube
tube heater
detecting resistance
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
JP5857377A
Other languages
English (en)
Other versions
JPS568976B2 (ja
Inventor
Ganaado Otsutozu Jieemusu
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.)
RCA Corp
Original Assignee
RCA Corp
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 RCA Corp filed Critical RCA Corp
Publication of JPS52142471A publication Critical patent/JPS52142471A/ja
Publication of JPS568976B2 publication Critical patent/JPS568976B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/14—Measuring resistance by measuring current or voltage obtained from a reference source

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Resistance Heating (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
JP5857377A 1976-05-20 1977-05-19 Method of detecting resistance value of electron tube heater element Granted JPS52142471A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/688,475 US4020416A (en) 1976-05-20 1976-05-20 Method of detecting heater resistance independent of contact resistance

Publications (2)

Publication Number Publication Date
JPS52142471A true JPS52142471A (en) 1977-11-28
JPS568976B2 JPS568976B2 (ja) 1981-02-26

Family

ID=24764575

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5857377A Granted JPS52142471A (en) 1976-05-20 1977-05-19 Method of detecting resistance value of electron tube heater element

Country Status (9)

Country Link
US (1) US4020416A (ja)
JP (1) JPS52142471A (ja)
CA (1) CA1056013A (ja)
DE (1) DE2722661A1 (ja)
FI (1) FI771528A (ja)
FR (1) FR2352306A1 (ja)
GB (1) GB1576445A (ja)
IT (1) IT1078045B (ja)
PL (1) PL116710B1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5576371A (en) * 1978-12-01 1980-06-09 Minolta Camera Co Ltd Failure detecting method in heat fixing device of electrophotographic copier
JPS61156151U (ja) * 1985-03-19 1986-09-27

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4721957A (en) * 1984-06-06 1988-01-26 Trw Inc. Ground shift compensated parameter measurement system
JPH0687642B2 (ja) * 1986-12-15 1994-11-02 株式会社日立製作所 回転電機の回転子巻線異常診断装置
GB9121506D0 (en) * 1991-10-10 1991-11-27 Smiths Industries Plc Resistance monitors
US5481200A (en) * 1993-09-15 1996-01-02 Rosemont Inc. Field transmitter built-in test equipment
US5614832A (en) * 1995-06-02 1997-03-25 International Business Machines Corporation High voltage protected ohmmeter
US7018800B2 (en) * 2003-08-07 2006-03-28 Rosemount Inc. Process device with quiescent current diagnostics
US9182256B2 (en) * 2009-07-09 2015-11-10 Rosemount Inc. Process variable transmitter with two-wire process control loop diagnostics
US10367612B2 (en) 2015-09-30 2019-07-30 Rosemount Inc. Process variable transmitter with self-learning loop diagnostics
KR102639446B1 (ko) 2017-02-21 2024-02-21 소후 인코포레이티드 치과 절삭 가공용 지르코니아 피절삭체와 그 제조 방법 및 치과 절삭 가공용 지르코니아 피절삭체용 투명성 향상액과 그 사용 방법
JP7433806B2 (ja) 2018-08-22 2024-02-20 株式会社松風 歯科切削加工用ジルコニア被切削体及びその製造方法
JP2021137404A (ja) 2020-03-06 2021-09-16 株式会社松風 イットリアとアルミナの配合が異なる層を有するジルコニア被切削体

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2899141A (en) * 1959-08-11 Det circuit
US3212001A (en) * 1961-08-30 1965-10-12 Western Electric Co Electrical circuit for testing the current-voltage relationship of electrical devices
US3414811A (en) * 1964-08-24 1968-12-03 Dale Electronics Method and apparatus for testing the resistance characteristics of selfheated electrical resistors
US3464007A (en) * 1966-11-22 1969-08-26 Northern Electric Co Apparatus for sorting electrical components by current consumption at prescribed voltage
DE1903698A1 (de) * 1969-01-25 1970-08-13 Bodenseewerk Perkin Elmer Co Auf den Anstieg eines Signals ansprechende Schaltungsanordnung
FR2315699A1 (fr) * 1975-06-27 1977-01-21 Thomson Csf Appareil de mesure de resistances en fonction de leur echauffement avec determination de leur capacite calorifique et du coefficient de perte de chaleur

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5576371A (en) * 1978-12-01 1980-06-09 Minolta Camera Co Ltd Failure detecting method in heat fixing device of electrophotographic copier
JPS629907B2 (ja) * 1978-12-01 1987-03-03 Minolta Camera Kk
JPS61156151U (ja) * 1985-03-19 1986-09-27

Also Published As

Publication number Publication date
DE2722661A1 (de) 1977-12-01
CA1056013A (en) 1979-06-05
IT1078045B (it) 1985-05-08
US4020416A (en) 1977-04-26
PL116710B1 (en) 1981-06-30
JPS568976B2 (ja) 1981-02-26
PL198265A1 (pl) 1978-01-16
FI771528A (ja) 1977-11-21
FR2352306B1 (ja) 1982-10-22
GB1576445A (en) 1980-10-08
FR2352306A1 (fr) 1977-12-16

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