FR2396977A1 - Instrument indicateur ferromagnetique - Google Patents
Instrument indicateur ferromagnetiqueInfo
- Publication number
- FR2396977A1 FR2396977A1 FR7820347A FR7820347A FR2396977A1 FR 2396977 A1 FR2396977 A1 FR 2396977A1 FR 7820347 A FR7820347 A FR 7820347A FR 7820347 A FR7820347 A FR 7820347A FR 2396977 A1 FR2396977 A1 FR 2396977A1
- Authority
- FR
- France
- Prior art keywords
- capacitor
- parallel
- moving iron
- control winding
- coil
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R5/00—Instruments for converting a single current or a single voltage into a mechanical displacement
- G01R5/14—Moving-iron instruments
-
- 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
- G01R1/30—Structural combination of electric measuring instruments with basic electronic circuits, e.g. with amplifier
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
- G01R23/06—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into an amplitude of current or voltage
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7820347A FR2396977A1 (fr) | 1978-07-07 | 1978-07-07 | Instrument indicateur ferromagnetique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7820347A FR2396977A1 (fr) | 1978-07-07 | 1978-07-07 | Instrument indicateur ferromagnetique |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2396977A1 true FR2396977A1 (fr) | 1979-02-02 |
FR2396977B1 FR2396977B1 (zh) | 1981-07-17 |
Family
ID=9210475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7820347A Granted FR2396977A1 (fr) | 1978-07-07 | 1978-07-07 | Instrument indicateur ferromagnetique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2396977A1 (zh) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1058142B (de) * | 1957-09-05 | 1959-05-27 | Wandel & Goltermann | Schaltung zur Erzeugung eines abklingenden Wechselstromes |
US3626255A (en) * | 1970-09-01 | 1971-12-07 | Littwin Family Trust No 1 | Demagnetizer, solid state |
US3773524A (en) * | 1971-07-12 | 1973-11-20 | Int Flavors & Fragrances Inc | Flavoring compositions and processes utilizing alpha-ketothiols |
US3992660A (en) * | 1974-01-18 | 1976-11-16 | Nippondenso Co., Ltd. | Frequency-current conversion circuit |
-
1978
- 1978-07-07 FR FR7820347A patent/FR2396977A1/fr active Granted
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1058142B (de) * | 1957-09-05 | 1959-05-27 | Wandel & Goltermann | Schaltung zur Erzeugung eines abklingenden Wechselstromes |
US3626255A (en) * | 1970-09-01 | 1971-12-07 | Littwin Family Trust No 1 | Demagnetizer, solid state |
US3773524A (en) * | 1971-07-12 | 1973-11-20 | Int Flavors & Fragrances Inc | Flavoring compositions and processes utilizing alpha-ketothiols |
US3992660A (en) * | 1974-01-18 | 1976-11-16 | Nippondenso Co., Ltd. | Frequency-current conversion circuit |
Also Published As
Publication number | Publication date |
---|---|
FR2396977B1 (zh) | 1981-07-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |