FR1552315A - - Google Patents
Info
- Publication number
- FR1552315A FR1552315A FR1552315DA FR1552315A FR 1552315 A FR1552315 A FR 1552315A FR 1552315D A FR1552315D A FR 1552315DA FR 1552315 A FR1552315 A FR 1552315A
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/28—Provision in measuring instruments for reference values, e.g. standard voltage, standard waveform
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA979753 | 1967-01-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1552315A true FR1552315A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1969-01-03 |
Family
ID=4142771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1552315D Expired FR1552315A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1967-01-06 | 1967-12-19 |
Country Status (3)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2447037A1 (fr) * | 1979-01-16 | 1980-08-14 | Krasnod Z Elektroizmeri | Convertisseur de tension de precision a induction |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3742764A (en) * | 1972-02-24 | 1973-07-03 | Canadian Patents Dev | Direct reading resistance thermometer |
| US3928799A (en) * | 1974-05-20 | 1975-12-23 | Canadian Patents Dev | Automatic balancing DC comparator voltmeter |
| US4243931A (en) * | 1979-03-28 | 1981-01-06 | Rosemount Inc. | Current isolator |
| US5307008A (en) * | 1991-11-04 | 1994-04-26 | National Research Council Of Canada | Current ratio device and toroidal core assembly therefor |
| US5764047A (en) * | 1995-12-29 | 1998-06-09 | Intel Corporation | Measurement of power supply dc current by means of a small ac current |
| AU2001293270A1 (en) | 2000-09-15 | 2002-03-26 | Radian Research, Inc. | Reduction of capacitance effects in potential transformers |
| US6469491B1 (en) | 2000-11-15 | 2002-10-22 | Peco Ii, Inc. | Apparatus and method for measuring DC load current of a switching power supply |
| US6903642B2 (en) * | 2001-12-03 | 2005-06-07 | Radian Research, Inc. | Transformers |
| US7145321B2 (en) * | 2005-02-25 | 2006-12-05 | Sandquist David A | Current sensor with magnetic toroid |
| US20060192550A1 (en) * | 2005-02-25 | 2006-08-31 | Sandquist David A | Current sensor with magnetic toroid single frequency detection scheme |
| US20060192549A1 (en) * | 2005-02-25 | 2006-08-31 | Sandquist David A | Current sensor with magnetic toroid dual frequency detection scheme |
| WO2017214035A1 (en) * | 2016-06-06 | 2017-12-14 | Aerovironment, Inc. | Residual current detecting (rcd) and ground impedance monitoring transformer and control methods |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2760158A (en) * | 1952-07-07 | 1956-08-21 | Quentin A Kerns | Method and apparatus for measuring electrical current |
-
1967
- 1967-11-09 US US681779A patent/US3500171A/en not_active Expired - Lifetime
- 1967-11-24 GB GB53645/67A patent/GB1184960A/en not_active Expired
- 1967-12-19 FR FR1552315D patent/FR1552315A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2447037A1 (fr) * | 1979-01-16 | 1980-08-14 | Krasnod Z Elektroizmeri | Convertisseur de tension de precision a induction |
Also Published As
| Publication number | Publication date |
|---|---|
| US3500171A (en) | 1970-03-10 |
| GB1184960A (en) | 1970-03-18 |