GB8410678D0 - Null-balanced proximity sensor - Google Patents
Null-balanced proximity sensorInfo
- Publication number
- GB8410678D0 GB8410678D0 GB848410678A GB8410678A GB8410678D0 GB 8410678 D0 GB8410678 D0 GB 8410678D0 GB 848410678 A GB848410678 A GB 848410678A GB 8410678 A GB8410678 A GB 8410678A GB 8410678 D0 GB8410678 D0 GB 8410678D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- null
- proximity sensor
- balanced
- balanced proximity
- sensor
- 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
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
- G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
- G01V3/104—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils using several coupled or uncoupled coils
- G01V3/108—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils using several coupled or uncoupled coils the emitter and the receiver coils or loops being uncoupled by positioning them perpendicularly to each other
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electromagnetism (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08410678A GB2158240B (en) | 1984-04-26 | 1984-04-26 | A null-balanced proximity sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08410678A GB2158240B (en) | 1984-04-26 | 1984-04-26 | A null-balanced proximity sensor |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8410678D0 true GB8410678D0 (en) | 1984-05-31 |
GB2158240A GB2158240A (en) | 1985-11-06 |
GB2158240B GB2158240B (en) | 1988-01-27 |
Family
ID=10560121
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08410678A Expired GB2158240B (en) | 1984-04-26 | 1984-04-26 | A null-balanced proximity sensor |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2158240B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8829617D0 (en) * | 1988-12-20 | 1989-02-15 | Loma Group Ltd | Method and apparatus using a varying electromagnetic field for determining the nature,or a property of a material |
SE506154C2 (en) * | 1995-10-13 | 1997-11-17 | Asea Brown Boveri | Method and apparatus for inductively measuring the dimensions and position of objects of electrically conductive material |
NL1016416C2 (en) * | 2000-10-16 | 2002-04-18 | Nedap Nv | Measuring and testing device for radio frequency identification labels, measures magnetic dipole moment of label response signal as function of investigation signal |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB465338A (en) * | 1935-11-05 | 1937-05-05 | British Thomson Houston Co Ltd | Improvements in and relating to apparatus for detecting the presence of metallic particles in non-metallic substances |
GB729706A (en) * | 1952-08-20 | 1955-05-11 | Telefunken Gmbh | Improvements in or relating to electro-magnetic metal detecting instruments |
US3292052A (en) * | 1963-09-19 | 1966-12-13 | Cutler Hammer Inc | Proximity switching system |
GB1160672A (en) * | 1966-03-23 | 1969-08-06 | Donovan Electrical Company Ltd | Improvements relating to Proximity Detectors |
FR2327556A1 (en) * | 1975-10-07 | 1977-05-06 | Thomson Csf | ELECTROMAGNETIC SENSOR SENSITIVE TO A MODIFICATION OF A MAGNETIC FIELD AND ITS APPLICATION TO ROAD TRAFFIC |
FR2371675A1 (en) * | 1976-11-19 | 1978-06-16 | Thomson Csf | ELECTROMAGNETIC SENSOR SENSITIVE TO A MODIFICATION OF A MAGNETIC FIELD AND ITS APPLICATION TO ROAD TRAFFIC |
FR2468133A1 (en) * | 1979-10-22 | 1981-04-30 | Clausin Jacques | DEVICE FOR DETECTING INCLUDED METAL PARTICLES IN SOLIDS, LIQUIDS OR GASES, AND LOCATING AND DETERMINING THE SIZE THEREOF |
-
1984
- 1984-04-26 GB GB08410678A patent/GB2158240B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2158240A (en) | 1985-11-06 |
GB2158240B (en) | 1988-01-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |