NL174763C - Magnetische veldsensor. - Google Patents
Magnetische veldsensor.Info
- Publication number
- NL174763C NL174763C NLAANVRAGE7300632,A NL7300632A NL174763C NL 174763 C NL174763 C NL 174763C NL 7300632 A NL7300632 A NL 7300632A NL 174763 C NL174763 C NL 174763C
- Authority
- NL
- Netherlands
- Prior art keywords
- magnetic field
- field sensor
- sensor
- magnetic
- field
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2491—Intrusion detection systems, i.e. where the body of an intruder causes the interference with the electromagnetic field
- G08B13/2497—Intrusion detection systems, i.e. where the body of an intruder causes the interference with the electromagnetic field using transmission lines, e.g. cable
-
- 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
-
- 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
- G01V3/081—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 the magnetic field is produced by the objects or geological structures
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Burglar Alarm Systems (AREA)
- Measuring Magnetic Variables (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US21810272A | 1972-01-17 | 1972-01-17 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7300632A NL7300632A (hu) | 1973-07-19 |
NL174763B NL174763B (nl) | 1984-03-01 |
NL174763C true NL174763C (nl) | 1984-08-01 |
Family
ID=22813755
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7300632,A NL174763C (nl) | 1972-01-17 | 1973-01-16 | Magnetische veldsensor. |
Country Status (11)
Country | Link |
---|---|
US (1) | US3747036A (hu) |
JP (1) | JPS4880075A (hu) |
AU (1) | AU462926B2 (hu) |
BE (1) | BE794127A (hu) |
CA (1) | CA999355A (hu) |
DE (1) | DE2301356C2 (hu) |
FR (1) | FR2168319B1 (hu) |
GB (1) | GB1363612A (hu) |
IT (1) | IT974284B (hu) |
NL (1) | NL174763C (hu) |
SE (1) | SE385515B (hu) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE29019E (en) * | 1969-01-22 | 1976-10-26 | Yeda Research & Development Co. Ltd. | Intruder detection system |
US3846790A (en) * | 1973-06-08 | 1974-11-05 | Honeywell Inc | Intrusion detection systems |
US3889262A (en) * | 1974-03-07 | 1975-06-10 | Northern Electric Co | Electromagnetically resonant device |
US4206451A (en) * | 1975-11-05 | 1980-06-03 | Honeywell Inc. | Intrusion detection system |
US4166264A (en) * | 1977-12-27 | 1979-08-28 | Honeywell Inc. | Intrusion detection transducers |
AU521875B2 (en) * | 1979-07-31 | 1982-05-06 | Matsushita Electric Industrial Co., Ltd. | Induction heating |
US4513257A (en) * | 1981-12-03 | 1985-04-23 | Omron Tateisi Electronics Co. | Proximity switch with oppositely polarized coils |
US4598168A (en) * | 1983-11-29 | 1986-07-01 | The United States Of America As Represented By The Secretary Of The Army | Strain sensitive cable |
JPH07112335B2 (ja) * | 1986-07-11 | 1995-11-29 | 株式会社豊田自動織機製作所 | 圧縮機における回転検出装置 |
JPH01155282A (ja) * | 1987-12-14 | 1989-06-19 | Toyota Autom Loom Works Ltd | 磁気センサ |
US5414350A (en) * | 1993-01-08 | 1995-05-09 | Ford Motor Company | Rotating magnet measuring instrument and method for equalizing coil windings |
EP1416635B1 (en) * | 2002-11-01 | 2012-12-12 | Omron Corporation | Sensor device |
US6727467B1 (en) * | 2003-01-31 | 2004-04-27 | W.E.T. Automotive Systems Ag | Heated handle and method of forming same |
EP2587232B1 (en) * | 2011-10-27 | 2019-06-05 | Universität des Saarlandes | System and method for detecting mechanical vibrations |
US10557824B1 (en) * | 2015-06-17 | 2020-02-11 | SeeScan, Inc. | Resiliently deformable magnetic field transmitter cores for use with utility locating devices and systems |
US11194071B2 (en) * | 2017-07-19 | 2021-12-07 | Intricon Corporation | Interconnect ring for microminiature electrical coil |
FR3076657B1 (fr) * | 2018-01-05 | 2021-04-09 | Socomec Sa | Transformateur de courant ouvrant a noyau magnetique souple |
CN112542014A (zh) * | 2020-10-27 | 2021-03-23 | 国网浙江省电力有限公司杭州供电公司 | 基于生物感应的电力电缆防外破系统 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US499852A (en) * | 1893-06-20 | And alfred pfann | ||
US2201146A (en) * | 1937-08-14 | 1940-05-21 | Automatic Signal Corp | Traffic detector |
US2520991A (en) * | 1944-09-06 | 1950-09-05 | Yolles Jack | Method of making low-loss delay lines |
US2885646A (en) * | 1953-04-22 | 1959-05-05 | Kendick Mfg Company Inc | Electrical transformers |
US2975384A (en) * | 1954-09-24 | 1961-03-14 | Sprague Electric Co | Toroidal inductor combinations |
US3319161A (en) * | 1966-01-19 | 1967-05-09 | Bunker Ramo | Flux gate magnetometer utilizing a thin helical strip of magnetic material as its core |
FR1504469A (fr) * | 1966-04-29 | 1967-12-08 | Cie Centrale D Etudes Ind | Dispositif linéaire à induction pour alimentation électrique en basse tension |
US3508238A (en) * | 1966-07-18 | 1970-04-21 | Texas Instruments Inc | Intrusion detection system |
JPS4520871Y1 (hu) * | 1967-04-15 | 1970-08-20 | ||
US3489974A (en) * | 1968-05-27 | 1970-01-13 | Square D Co | Current sensing pulse output transformer |
US3541432A (en) * | 1968-10-21 | 1970-11-17 | Bunker Ramo | Magnetometer capable of operating with a very low input power |
US3777200A (en) * | 1971-05-14 | 1973-12-04 | Nasa | High powered arc electrodes |
-
1972
- 1972-01-17 US US00218102A patent/US3747036A/en not_active Expired - Lifetime
- 1972-09-07 CA CA151,201A patent/CA999355A/en not_active Expired
- 1972-11-08 JP JP47111316A patent/JPS4880075A/ja active Pending
- 1972-12-18 AU AU50200/72A patent/AU462926B2/en not_active Expired
- 1972-12-22 IT IT54990/72A patent/IT974284B/it active
-
1973
- 1973-01-08 FR FR7300524A patent/FR2168319B1/fr not_active Expired
- 1973-01-12 GB GB180573A patent/GB1363612A/en not_active Expired
- 1973-01-12 DE DE2301356A patent/DE2301356C2/de not_active Expired
- 1973-01-16 SE SE7300564A patent/SE385515B/xx unknown
- 1973-01-16 NL NLAANVRAGE7300632,A patent/NL174763C/xx not_active IP Right Cessation
- 1973-02-15 BE BE794127D patent/BE794127A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE2301356A1 (de) | 1973-07-26 |
AU462926B2 (en) | 1975-06-24 |
SE385515B (sv) | 1976-07-05 |
JPS4880075A (hu) | 1973-10-26 |
CA999355A (en) | 1976-11-02 |
NL174763B (nl) | 1984-03-01 |
FR2168319B1 (hu) | 1976-05-14 |
BE794127A (fr) | 1973-05-16 |
US3747036A (en) | 1973-07-17 |
IT974284B (it) | 1974-06-20 |
NL7300632A (hu) | 1973-07-19 |
AU5020072A (en) | 1974-06-20 |
DE2301356C2 (de) | 1981-09-24 |
GB1363612A (en) | 1974-08-14 |
FR2168319A1 (hu) | 1973-08-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
V4 | Discontinued because of reaching the maximum lifetime of a patent |