FI771528A - - Google Patents
Info
- Publication number
- FI771528A FI771528A FI771528A FI771528A FI771528A FI 771528 A FI771528 A FI 771528A FI 771528 A FI771528 A FI 771528A FI 771528 A FI771528 A FI 771528A FI 771528 A FI771528 A FI 771528A
- Authority
- FI
- Finland
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)
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 |
|---|---|
| FI771528A true FI771528A (sv) | 1977-11-21 |
Family
ID=24764575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI771528A FI771528A (sv) | 1976-05-20 | 1977-05-13 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4020416A (sv) |
| JP (1) | JPS52142471A (sv) |
| CA (1) | CA1056013A (sv) |
| DE (1) | DE2722661A1 (sv) |
| FI (1) | FI771528A (sv) |
| FR (1) | FR2352306A1 (sv) |
| GB (1) | GB1576445A (sv) |
| IT (1) | IT1078045B (sv) |
| PL (1) | PL116710B1 (sv) |
Families Citing this family (13)
| 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 (sv) * | 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 |
| CN115466115B (zh) | 2017-02-21 | 2024-09-03 | 株式会社松风 | 氧化锆被切削体及其制造方法、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)
| 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 |
-
1976
- 1976-05-20 US US05/688,475 patent/US4020416A/en not_active Expired - Lifetime
-
1977
- 1977-04-19 IT IT22622/77A patent/IT1078045B/it active
- 1977-04-25 CA CA276,911A patent/CA1056013A/en not_active Expired
- 1977-05-11 GB GB19829/77A patent/GB1576445A/en not_active Expired
- 1977-05-13 FI FI771528A patent/FI771528A/fi not_active Application Discontinuation
- 1977-05-16 FR FR7714897A patent/FR2352306A1/fr active Granted
- 1977-05-18 DE DE19772722661 patent/DE2722661A1/de not_active Withdrawn
- 1977-05-19 JP JP5857377A patent/JPS52142471A/ja active Granted
- 1977-05-20 PL PL1977198265A patent/PL116710B1/pl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS568976B2 (sv) | 1981-02-26 |
| PL116710B1 (en) | 1981-06-30 |
| IT1078045B (it) | 1985-05-08 |
| GB1576445A (en) | 1980-10-08 |
| FR2352306A1 (fr) | 1977-12-16 |
| CA1056013A (en) | 1979-06-05 |
| US4020416A (en) | 1977-04-26 |
| JPS52142471A (en) | 1977-11-28 |
| FR2352306B1 (sv) | 1982-10-22 |
| PL198265A1 (pl) | 1978-01-16 |
| DE2722661A1 (de) | 1977-12-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FD | Application lapsed |
Owner name: RCA CORPORATION |