GB2212621B - Electric current flux sensor - Google Patents

Electric current flux sensor

Info

Publication number: GB2212621B
Authority: GB; United Kingdom
Prior art keywords: electric current; flux sensor; current flux; sensor; electric
Prior art date: 1987-11-17
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 - Fee Related

Application number

GB8826800A

Other versions

GB8826800D0 (en

GB2212621A (en

Inventor

John Edward Baxendale

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.)

Dowty Defence and Air Systems Ltd

Original Assignee

Dowty Defence and Air Systems Ltd

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.)

1987-11-17

Filing date

1988-11-16

Publication date

1992-08-12

1988-11-16 Application filed by Dowty Defence and Air Systems Ltd filed Critical Dowty Defence and Air Systems Ltd

1988-12-21 Publication of GB8826800D0 publication Critical patent/GB8826800D0/en

1989-07-26 Publication of GB2212621A publication Critical patent/GB2212621A/en

1992-08-12 Application granted granted Critical

1992-08-12 Publication of GB2212621B publication Critical patent/GB2212621B/en

2008-11-16 Anticipated expiration legal-status Critical

Status Expired - Fee Related 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
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/20—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices
- G01R15/207—Constructional details independent of the type of device used
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0864—Measuring electromagnetic field characteristics characterised by constructional or functional features
- G01R29/0878—Sensors; antennas; probes; detectors

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Electromagnetism (AREA)
Condensed Matter Physics & Semiconductors (AREA)
Engineering & Computer Science (AREA)
Power Engineering (AREA)
Measuring Magnetic Variables (AREA)

GB8826800A 1987-11-17 1988-11-16 Electric current flux sensor Expired - Fee Related GB2212621B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB878726908A GB8726908D0 (en)	1987-11-17	1987-11-17	Underwater electric field sensor

Publications (3)

Publication Number	Publication Date
GB8826800D0 GB8826800D0 (en)	1988-12-21
GB2212621A GB2212621A (en)	1989-07-26
GB2212621B true GB2212621B (en)	1992-08-12

Family

ID=10627110

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
GB878726908A Pending GB8726908D0 (en)	1987-11-17	1987-11-17	Underwater electric field sensor
GB8826800A Expired - Fee Related GB2212621B (en)	1987-11-17	1988-11-16	Electric current flux sensor

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
GB878726908A Pending GB8726908D0 (en)	1987-11-17	1987-11-17	Underwater electric field sensor

Country Status (1)

Country	Link
GB (2)	GB8726908D0 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI910512A (en) *	1991-02-01	1992-08-02	Esko Antero Hirvonen	Kontrollsystem.
FR2690750B1 (en) *	1991-02-26	1994-09-23	Commissariat Energie Atomique	Method and device for measuring an electric field in a conductive medium.
JP2000258469A (en) *	1999-03-11	2000-09-22	Mitsubishi Electric Corp	Electric power system protection and control device
CN101359013B (en) *	2007-08-01	2010-08-18	中国科学院电子学研究所	Package-avoiding electromagnetic drive type small-sized electric-field sensor

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB794225A (en) *	1955-04-28	1958-04-30	Ii Ti E Circuit Breaker Compan	Current transformer
GB1194237A (en) *	1966-11-25	1970-06-10	Compteurs Comp D	Improvements to Transformers.
GB1525310A (en) *	1976-03-08	1978-09-20	Bell Inc F W	Method and apparatus for measuring the current flowing in a workpiece
GB2122759A (en) *	1982-06-17	1984-01-18	British Nuclear Fuels Ltd	Probe for measuring conductivity of a fluid
GB2202338A (en) *	1987-03-19	1988-09-21	Heidelberger Druckmasch Ag	Drift compensated current-measuring apparatus

1987
- 1987-11-17 GB GB878726908A patent/GB8726908D0/en active Pending
1988
- 1988-11-16 GB GB8826800A patent/GB2212621B/en not_active Expired - Fee Related

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB794225A (en) *	1955-04-28	1958-04-30	Ii Ti E Circuit Breaker Compan	Current transformer
GB1194237A (en) *	1966-11-25	1970-06-10	Compteurs Comp D	Improvements to Transformers.
GB1525310A (en) *	1976-03-08	1978-09-20	Bell Inc F W	Method and apparatus for measuring the current flowing in a workpiece
GB2122759A (en) *	1982-06-17	1984-01-18	British Nuclear Fuels Ltd	Probe for measuring conductivity of a fluid
GB2202338A (en) *	1987-03-19	1988-09-21	Heidelberger Druckmasch Ag	Drift compensated current-measuring apparatus

Also Published As

Publication number	Publication date
GB8726908D0 (en)	1987-12-23
GB8826800D0 (en)	1988-12-21
GB2212621A (en)	1989-07-26

Publication	Publication Date	Title
GB2211309B (en)	1992-01-02	Electric current sensing device
AU2082788A (en)	1989-02-13	Electric current sensor using the faraday effect
GB8729219D0 (en)	1988-01-27	Electric current sensor
GB8728126D0 (en)	1988-01-06	Electric current sensing device
GB9201896D0 (en)	1992-03-18	Electric current measurement
AR242856A1 (en)	1993-05-31	Current sensor
GB8725467D0 (en)	1987-12-02	Making current sensor
GB2211308B (en)	1992-01-29	Electric current sensing device
GB8700642D0 (en)	1987-02-18	Electric iron
HK39095A (en)	1995-03-24	Current sensor circuit
GB8512137D0 (en)	1985-06-19	Measuring electric current
EP0289011A3 (en)	1989-11-02	Current sensing device
GB2170367B (en)	1988-05-18	Residual current device
GB2201798B (en)	1991-07-10	Electric current measurement
GB2212621B (en)	1992-08-12	Electric current flux sensor
GB8520392D0 (en)	1985-09-18	Current sensor
GB8711458D0 (en)	1987-06-17	Electric moisture-contact sensor
GB8725518D0 (en)	1987-12-02	Electric torch
GB8713314D0 (en)	1987-07-08	Current transformers
GB2193323B (en)	1991-03-27	Electrical coils
GB2205459B (en)	1991-06-26	Electric current monitoring
RU1769806C (en)	1992-10-15	Electric current sensor
GB8921065D0 (en)	1993-05-05	Electric field sensor
AU93386S (en)	1986-09-11	Current sensor
GB8711411D0 (en)	1987-06-17	Electric moisture-contact sensor

Legal Events

Date	Code	Title	Description
1991-12-11	732	Registration of transactions, instruments or events in the register (sect. 32/1977)
1995-08-16	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
1997-02-12	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
2006-07-26	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 20051116