IT1078045B - Metodo di rivelazione della resistenza di un riscaldatore indipendentemente dalla resistenza di contatto - Google Patents

Metodo di rivelazione della resistenza di un riscaldatore indipendentemente dalla resistenza di contatto

Info

Publication number
IT1078045B
IT1078045B IT22622/77A IT2262277A IT1078045B IT 1078045 B IT1078045 B IT 1078045B IT 22622/77 A IT22622/77 A IT 22622/77A IT 2262277 A IT2262277 A IT 2262277A IT 1078045 B IT1078045 B IT 1078045B
Authority
IT
Italy
Prior art keywords
resistance
detection
heater independently
contact resistance
contact
Prior art date
Application number
IT22622/77A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT1078045B publication Critical patent/IT1078045B/it

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)
IT22622/77A 1976-05-20 1977-04-19 Metodo di rivelazione della resistenza di un riscaldatore indipendentemente dalla resistenza di contatto IT1078045B (it)

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 (1)

Publication Number Publication Date
IT1078045B true IT1078045B (it) 1985-05-08

Family

ID=24764575

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22622/77A IT1078045B (it) 1976-05-20 1977-04-19 Metodo di rivelazione della resistenza di un riscaldatore indipendentemente dalla resistenza di contatto

Country Status (9)

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

Families Citing this family (13)

* 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
US4721957A (en) * 1984-06-06 1988-01-26 Trw Inc. Ground shift compensated parameter measurement system
JPS61156151U (it) * 1985-03-19 1986-09-27
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
JP5548266B2 (ja) * 2009-07-09 2014-07-16 ローズマウント インコーポレイテッド ２線プロセス制御ループの診断機能を備えたプロセス変数送信機
US10367612B2 (en) 2015-09-30 2019-07-30 Rosemount Inc. Process variable transmitter with self-learning loop diagnostics
CN110678435A (zh) 2017-02-21 2020-01-10 株式会社松风 牙科切削加工用氧化锆被切削体及其制造方法以及透明性提高液及其使用方法
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

Also Published As

Publication number Publication date
CA1056013A (en) 1979-06-05
DE2722661A1 (de) 1977-12-01
PL116710B1 (en) 1981-06-30
FI771528A (it) 1977-11-21
JPS568976B2 (it) 1981-02-26
JPS52142471A (en) 1977-11-28
GB1576445A (en) 1980-10-08
PL198265A1 (pl) 1978-01-16
US4020416A (en) 1977-04-26
FR2352306B1 (it) 1982-10-22
FR2352306A1 (fr) 1977-12-16

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