GB1266468A - - Google Patents
Info
- Publication number
- GB1266468A GB1266468A GB1266468DA GB1266468A GB 1266468 A GB1266468 A GB 1266468A GB 1266468D A GB1266468D A GB 1266468DA GB 1266468 A GB1266468 A GB 1266468A
- Authority
- GB
- United Kingdom
- Prior art keywords
- helicopter
- proportional
- output
- barycentre
- heads
- 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
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/025—Compensating stray fields
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Measuring Magnetic Variables (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR6932525A FR2060261B1 (fr) | 1969-09-24 | 1969-09-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1266468A true GB1266468A (fr) | 1972-03-08 |
Family
ID=9040529
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1266468D Expired GB1266468A (fr) | 1969-09-24 | 1970-09-14 |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE755895A (fr) |
DE (1) | DE7034441U (fr) |
FR (1) | FR2060261B1 (fr) |
GB (1) | GB1266468A (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2507770A1 (fr) * | 1981-06-11 | 1982-12-17 | Crouzet Sa | Procede de compensations des perturbations magnetiques dans la determination d'un cap magnetique et dispositif pour la mise en oeuvre de ce procede |
FR2542365B1 (fr) * | 1983-03-11 | 1985-10-25 | Commissariat Energie Atomique | Dispositif de compensation automatique du magnetisme de garnitures de forage |
FR2606888B1 (fr) * | 1986-11-18 | 1989-03-03 | Crouzet Sa | Dispositif pour la mesure des champs magnetiques |
GB2241583A (en) * | 1990-03-03 | 1991-09-04 | Baroid Technology Inc | Determination of magnetic interference in a borehole |
-
0
- BE BE755895D patent/BE755895A/fr unknown
-
1969
- 1969-09-24 FR FR6932525A patent/FR2060261B1/fr not_active Expired
-
1970
- 1970-09-14 GB GB1266468D patent/GB1266468A/en not_active Expired
- 1970-09-16 DE DE19707034441 patent/DE7034441U/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2060261B1 (fr) | 1973-03-16 |
FR2060261A1 (fr) | 1971-06-18 |
BE755895A (fr) | 1971-02-15 |
DE7034441U (de) | 1971-03-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
435 | Patent endorsed 'licences of right' on the date specified (sect. 35/1949) | ||
PCNP | Patent ceased through non-payment of renewal fee |