GB2289145B - Magnetic field cancelling system - Google Patents

Magnetic field cancelling system

Info

Publication number: GB2289145B
Authority: GB; United Kingdom
Prior art keywords: magnetic field; cancelling system; field cancelling; magnetic; field
Prior art date: 1994-05-05
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 - Lifetime

Application number

GB9509178A

Other versions

GB9509178D0 (en

GB2289145A (en

Inventor

Denis Frank Spicer

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Individual

Original Assignee

Individual

Priority date (The priority date 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 date listed.)

1994-05-05

Filing date

1995-05-05

Publication date

1998-07-22

1995-05-05 Application filed by Individual filed Critical Individual

1995-06-28 Publication of GB9509178D0 publication Critical patent/GB9509178D0/en

1995-11-08 Publication of GB2289145A publication Critical patent/GB2289145A/en

1998-07-22 Application granted granted Critical

1998-07-22 Publication of GB2289145B publication Critical patent/GB2289145B/en

2015-05-05 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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)
Measuring Magnetic Variables (AREA)

GB9509178A 1994-05-05 1995-05-05 Magnetic field cancelling system Expired - Lifetime GB2289145B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB9408942A GB9408942D0 (en)	1994-05-05	1994-05-05	Magnetic field cancelling system

Publications (3)

Publication Number	Publication Date
GB9509178D0 GB9509178D0 (en)	1995-06-28
GB2289145A GB2289145A (en)	1995-11-08
GB2289145B true GB2289145B (en)	1998-07-22

Family

ID=10754616

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
GB9408942A Pending GB9408942D0 (en)	1994-05-05	1994-05-05	Magnetic field cancelling system
GB9509178A Expired - Lifetime GB2289145B (en)	1994-05-05	1995-05-05	Magnetic field cancelling system

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
GB9408942A Pending GB9408942D0 (en)	1994-05-05	1994-05-05	Magnetic field cancelling system

Country Status (3)

Country	Link
AU (1)	AU2413295A (en)
GB (2)	GB9408942D0 (en)
WO (1)	WO1995030906A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP5997919B2 (en) *	2012-03-30	2016-09-28	株式会社フジクラ	Fluxgate type magnetic element and magnetic sensor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3991361A (en) *	1975-03-27	1976-11-09	Westinghouse Electric Corporation	Semi-automatic compass calibrator apparatus for a vehicle mounted flux gate compass system to cancel out effect of local magnetic disturbances
GB2154031A (en) *	1984-02-04	1985-08-29	Licentia Gmbh	Stray-field-controlled magnetic self-protection
EP0157470A2 (en) *	1984-02-25	1985-10-09	Stc Plc	Magnetic field sensor
US5225999A (en) *	1990-07-06	1993-07-06	The Trustees Of The University Of Pennsylvania	Magnetic environment stabilization for effective operation of magnetically sensitive instruments

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3808508A (en) *	1972-12-14	1974-04-30	Univ Johns Hopkins	Temperature compensator for fluxgate magnetometer

1994
- 1994-05-05 GB GB9408942A patent/GB9408942D0/en active Pending
1995
- 1995-05-05 WO PCT/GB1995/001019 patent/WO1995030906A1/en not_active Ceased
- 1995-05-05 AU AU24132/95A patent/AU2413295A/en not_active Abandoned
- 1995-05-05 GB GB9509178A patent/GB2289145B/en not_active Expired - Lifetime

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3991361A (en) *	1975-03-27	1976-11-09	Westinghouse Electric Corporation	Semi-automatic compass calibrator apparatus for a vehicle mounted flux gate compass system to cancel out effect of local magnetic disturbances
GB2154031A (en) *	1984-02-04	1985-08-29	Licentia Gmbh	Stray-field-controlled magnetic self-protection
EP0157470A2 (en) *	1984-02-25	1985-10-09	Stc Plc	Magnetic field sensor
US5225999A (en) *	1990-07-06	1993-07-06	The Trustees Of The University Of Pennsylvania	Magnetic environment stabilization for effective operation of magnetically sensitive instruments

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Measurement Science and Technology vol 4 no 4, 1 April 1993,pages 468-472 *

Also Published As

Publication number	Publication date
GB9509178D0 (en)	1995-06-28
GB9408942D0 (en)	1994-06-22
AU2413295A (en)	1995-11-29
GB2289145A (en)	1995-11-08
WO1995030906A1 (en)	1995-11-16

Publication	Publication Date	Title
EP0763881A3 (en)	1997-09-24	Magnetic micro-mover
GB9425278D0 (en)	1995-02-08	Telcommunications system
GB2289531B (en)	1998-06-17	Air-shower system
GB9511675D0 (en)	1995-08-02	Effect adding system
GB2272110B (en)	1997-01-29	Coil
ZA949919B (en)	1995-08-23	Magnetic deinkin
EP0704814A3 (en)	1997-06-04	Magnetic coupling circuit-driving system
GB2286681B (en)	1998-05-13	Magnet systems
GB2272109B (en)	1997-01-22	Coil
GB2303066A9 (en)	1997-04-14	Magnetic therapy system
AUPM638794A0 (en)	1994-07-14	Susceptibility compensated coils
GB2289145B (en)	1998-07-22	Magnetic field cancelling system
GB2308890B (en)	2000-05-10	Magnet system
GB9623514D0 (en)	1997-01-08	Magnetic starting system
GB9400278D0 (en)	1994-03-09	Mini-loop system
BG97496A (en)	1994-09-30	Magnetic system
BG99570A (en)	1996-10-31	Magnetic system
GB9407152D0 (en)	1994-06-01	Shielding for magnetic resonance systems
EP0772209A3 (en)	1997-08-27	Superconducting coil system
IL110145A0 (en)	1994-10-07	Comparison system
GB9622917D0 (en)	1997-01-08	Magnetic retained point
GR1002125B (en)	1996-02-07	Magnetic perpetuum mobilium
GB9418607D0 (en)	1994-11-02	Magnetic structure
ZA917745B (en)	1992-05-27	Magnetic system
KR940020546U (en)	1994-09-17	Magnetic Break System

Legal Events

Date	Code	Title	Description
2015-05-27	PE20	Patent expired after termination of 20 years	Expiry date: 20150504