GB2124785B - Circuit module for impedance measuring circuit - Google Patents

Circuit module for impedance measuring circuit

Info

Publication number: GB2124785B
Authority: GB; United Kingdom
Prior art keywords: circuit; impedance measuring; module; circuit module; measuring circuit
Prior art date: 1981-12-31
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

Application number

GB08139184A

Other versions

GB2124785A (en

Inventor

David C Goodey

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.)

WKR Ltd

Original Assignee

WKR 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.)

1981-12-31

Filing date

1981-12-31

Publication date

1985-09-04

1981-12-31 Application filed by WKR Ltd filed Critical WKR Ltd

1981-12-31 Priority to GB08139184A priority Critical patent/GB2124785B/en

1984-02-22 Publication of GB2124785A publication Critical patent/GB2124785A/en

1985-09-04 Application granted granted Critical

1985-09-04 Publication of GB2124785B publication Critical patent/GB2124785B/en

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0023—Measuring currents or voltages from sources with high internal resistance by means of measuring circuits with high input impedance, e.g. OP-amplifiers
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Measurement Of Resistance Or Impedance (AREA)
Amplifiers (AREA)

GB08139184A 1981-12-31 1981-12-31 Circuit module for impedance measuring circuit Expired GB2124785B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB08139184A GB2124785B (en)	1981-12-31	1981-12-31	Circuit module for impedance measuring circuit

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB08139184A GB2124785B (en)	1981-12-31	1981-12-31	Circuit module for impedance measuring circuit

Publications (2)

Publication Number	Publication Date
GB2124785A GB2124785A (en)	1984-02-22
GB2124785B true GB2124785B (en)	1985-09-04

Family

ID=10526904

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB08139184A Expired GB2124785B (en)	1981-12-31	1981-12-31	Circuit module for impedance measuring circuit

Country Status (1)

Country	Link
GB (1)	GB2124785B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2524521A (en) *	2014-03-25	2015-09-30	Voltech Instr Ltd	Apparatus and methods for measuring electrical current

1981
- 1981-12-31 GB GB08139184A patent/GB2124785B/en not_active Expired

Also Published As

Publication number	Publication date
GB2124785A (en)	1984-02-22

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Legal Events

Date	Code	Title	Description
1984-12-19	732	Registration of transactions, instruments or events in the register (sect. 32/1977)
2000-04-05	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
2002-01-23	PE20	Patent expired after termination of 20 years	Effective date: 20011230