GB1225661A - - Google Patents
Info
- Publication number
- GB1225661A GB1225661A GB1225661DA GB1225661A GB 1225661 A GB1225661 A GB 1225661A GB 1225661D A GB1225661D A GB 1225661DA GB 1225661 A GB1225661 A GB 1225661A
- Authority
- GB
- United Kingdom
- Prior art keywords
- magnetic
- circuit
- air gaps
- march
- magnetic circuits
- 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
- 230000005291 magnetic effect Effects 0.000 abstract 2
- 230000005294 ferromagnetic effect Effects 0.000 abstract 1
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
- G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
- G01R33/09—Magnetoresistive devices
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Measuring Magnetic Variables (AREA)
- Navigation (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEV0033192 | 1967-03-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1225661A true GB1225661A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-03-17 |
Family
ID=7587922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1225661D Expired GB1225661A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1967-03-08 | 1968-03-08 |
Country Status (4)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2202635A (en) * | 1987-03-26 | 1988-09-28 | Devon County Council | Detection of magnetic fields |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2204292A (en) * | 1937-07-13 | 1940-06-11 | Siemens App Und Maschinen Gmbh | Direction indicating means |
| US2442732A (en) * | 1945-04-16 | 1948-06-01 | Jacob H Rubenstein | Magnetometer |
| US2941163A (en) * | 1954-06-16 | 1960-06-14 | Sperry Rand Corp | Magneto-resistive bridge modulator |
| DE1297755B (de) * | 1963-05-10 | 1969-06-19 | Siemens Ag | Magnetfeldmessgeraet mit einer Sonde mit magnetfeldabhaengigem Widerstand |
-
1967
- 1967-03-08 DE DE19671623863 patent/DE1623863A1/de active Pending
-
1968
- 1968-03-07 US US711330A patent/US3539916A/en not_active Expired - Lifetime
- 1968-03-08 GB GB1225661D patent/GB1225661A/en not_active Expired
- 1968-03-08 FR FR1586846D patent/FR1586846A/fr not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2202635A (en) * | 1987-03-26 | 1988-09-28 | Devon County Council | Detection of magnetic fields |
| GB2202635B (en) * | 1987-03-26 | 1991-10-30 | Devon County Council | Detection of magnetic fields |
Also Published As
| Publication number | Publication date |
|---|---|
| US3539916A (en) | 1970-11-10 |
| FR1586846A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1970-03-06 |
| DE1623863A1 (de) | 1971-02-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |