FR935566A - Perfectionnements aux dispositifs électriques de mesure et de commande - Google Patents
Perfectionnements aux dispositifs électriques de mesure et de commandeInfo
- Publication number
- FR935566A FR935566A FR935566DA FR935566A FR 935566 A FR935566 A FR 935566A FR 935566D A FR935566D A FR 935566DA FR 935566 A FR935566 A FR 935566A
- Authority
- FR
- France
- Prior art keywords
- control devices
- electrical measuring
- measuring
- electrical
- devices
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
- G08C19/38—Electric signal transmission systems using dynamo-electric devices
- G08C19/40—Electric signal transmission systems using dynamo-electric devices of which only the rotor or the stator carries a winding to which a signal is applied, e.g. using step motor
- G08C19/42—Electric signal transmission systems using dynamo-electric devices of which only the rotor or the stator carries a winding to which a signal is applied, e.g. using step motor having three stator poles
-
- 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
- G01R27/08—Measuring resistance by measuring both voltage and current
- G01R27/10—Measuring resistance by measuring both voltage and current using two-coil or crossed-coil instruments forming quotient
- G01R27/12—Measuring resistance by measuring both voltage and current using two-coil or crossed-coil instruments forming quotient using hand generators, e.g. meggers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Brushless Motors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US681796A US2425366A (en) | 1946-07-08 | 1946-07-08 | Pointer return device |
Publications (1)
Publication Number | Publication Date |
---|---|
FR935566A true FR935566A (fr) | 1948-06-23 |
Family
ID=24736853
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR935566D Expired FR935566A (fr) | 1946-07-08 | 1946-11-04 | Perfectionnements aux dispositifs électriques de mesure et de commande |
Country Status (3)
Country | Link |
---|---|
US (1) | US2425366A (fr) |
FR (1) | FR935566A (fr) |
GB (1) | GB628834A (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2798200A (en) * | 1953-04-03 | 1957-07-02 | Gen Electric | Long-scale ratio instrument |
US3302191A (en) * | 1964-05-04 | 1967-01-31 | Gen Motors Corp | Gauge circuit |
USRE32604E (en) * | 1981-06-22 | 1988-02-16 | Beede Electrical Instrument Co., Inc. | Electric indicator with return-to-zero feature and compensating coil to cancel the return-to-zero feature during measurement |
US4758784A (en) * | 1985-11-15 | 1988-07-19 | Stewart Warner Corporation | Air core gauge with zero pointer return related application |
-
1946
- 1946-07-08 US US681796A patent/US2425366A/en not_active Expired - Lifetime
- 1946-10-21 GB GB31197/46A patent/GB628834A/en not_active Expired
- 1946-11-04 FR FR935566D patent/FR935566A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB628834A (en) | 1949-09-06 |
US2425366A (en) | 1947-08-12 |
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