SE459046B - Femtoamperemeter - Google Patents

Femtoamperemeter

Info

Publication number: SE459046B
Authority: SE; Sweden
Prior art keywords: temperature; heat sink; amplifier; output; temperature sensor
Prior art date: 1985-05-01

Application number

SE8602030A

Other languages

English (en)

Swedish (sv)

Other versions

SE8602030D0 (sv

SE8602030L (sv

Inventor

W D Hill

D D Akers

Original Assignee

Gen Electric

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.)

1985-05-01

Filing date

1986-04-30

Publication date

1989-05-29

1986-04-30 Application filed by Gen Electric filed Critical Gen Electric

1986-04-30 Publication of SE8602030D0 publication Critical patent/SE8602030D0/xx

1986-11-02 Publication of SE8602030L publication Critical patent/SE8602030L/

1989-05-29 Publication of SE459046B publication Critical patent/SE459046B/sv

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
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/257—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques using analogue/digital converters of the type with comparison of different reference values with the value of voltage or current, e.g. using step-by-step method

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Amplifiers (AREA)
Measurement Of Current Or Voltage (AREA)

SE8602030A 1985-05-01 1986-04-30 Femtoamperemeter SE459046B (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/729,455 US4628277A (en)	1985-05-01	1985-05-01	Femtoammeter

Publications (3)

Publication Number	Publication Date
SE8602030D0 SE8602030D0 (sv)	1986-04-30
SE8602030L SE8602030L (sv)	1986-11-02
SE459046B true SE459046B (sv)	1989-05-29

Family

ID=24931112

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE8602030A SE459046B (sv)	1985-05-01	1986-04-30	Femtoamperemeter

Country Status (7)

Country	Link
US (1)	US4628277A (ja)
JP (1)	JPH0675080B2 (ja)
DE (1)	DE3614529A1 (ja)
ES (1)	ES8801039A1 (ja)
FR (1)	FR2581458B1 (ja)
IT (1)	IT1191771B (ja)
SE (1)	SE459046B (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0648779B2 (ja) *	1985-07-18	1994-06-22	富士通株式会社	フリップフロップ回路
US4970456A (en) *	1989-01-09	1990-11-13	Motorola, Inc.	Temperature compensated power detector
US4940947A (en) *	1989-02-28	1990-07-10	Oneac Corporation	Line noise signal measurement system using analog signal compression with digital linearity correction
DE4410705C2 (de) *	1994-03-28	2000-05-18	Christof Kaufmann	Meßvorrichtung zum Messen einer physikalischen Größe
US7091412B2 (en)	2002-03-04	2006-08-15	Nanoset, Llc	Magnetically shielded assembly
US7162302B2 (en)	2002-03-04	2007-01-09	Nanoset Llc	Magnetically shielded assembly
DE102007030172A1 (de) *	2007-06-27	2009-01-15	Forschungszentrum Jülich GmbH	Strommessgerät mit hoher Dynamik und kleiner Zeitkonstante
US8730701B2 (en) *	2009-02-12	2014-05-20	Ecolab Usa Inc.	Driving circuit for powering a bi-directional load
US10581413B2 (en) *	2017-11-17	2020-03-03	Honeywell International Inc.	Compensation circuit

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1007874A (en) *	1963-04-30	1965-10-22	Cole E K Ltd	Improvements in or relating to d.c. amplifiers
DE1804389A1 (de) *	1968-10-22	1970-07-16	Messerschmitt Boelkow Blohm	Verstaerker mit veraenderlichem Verstaerkungsgrad
US3724954A (en) *	1972-01-14	1973-04-03	Photo Electronics Corp	Logarithmic circuit with automatic compensation for variations in conditions of operations
DE2630958B2 (de) *	1976-07-07	1978-07-27	Heliowatt Werke Elektrizitaets-Gesellschaft Mbh, 1000 Berlin	Fehlerkompensationsverfahren
US4270090A (en) *	1978-04-24	1981-05-26	Williams Bruce T	D.C. Electrostatic voltage follower having ion-coupled probe
US4408128A (en) *	1979-03-08	1983-10-04	Kett Electric Laboratory	Electric resistance type wide range moisture meter
US4349788A (en) *	1980-02-25	1982-09-14	Peavey Electronics Corp.	Transient intermodulation distortion limiting circuit for an amplifier system
US4370615A (en) *	1980-10-14	1983-01-25	The Perkin-Elmer Corporation	High speed temperature controlled electrometer
DD206176A3 (de) *	1981-04-22	1984-01-18		Verfahren und schaltungsanordnung zur temperaturmessung

1985
- 1985-05-01 US US06/729,455 patent/US4628277A/en not_active Expired - Fee Related
1986
- 1986-04-24 ES ES554337A patent/ES8801039A1/es not_active Expired
- 1986-04-28 JP JP61097041A patent/JPH0675080B2/ja not_active Expired - Lifetime
- 1986-04-29 DE DE19863614529 patent/DE3614529A1/de active Granted
- 1986-04-30 SE SE8602030A patent/SE459046B/sv not_active IP Right Cessation
- 1986-04-30 FR FR868606249A patent/FR2581458B1/fr not_active Expired
- 1986-04-30 IT IT20277/86A patent/IT1191771B/it active

Also Published As

Publication number	Publication date
FR2581458B1 (fr)	1989-09-08
SE8602030D0 (sv)	1986-04-30
JPS62866A (ja)	1987-01-06
ES554337A0 (es)	1987-12-01
JPH0675080B2 (ja)	1994-09-21
IT8620277A0 (it)	1986-04-30
US4628277A (en)	1986-12-09
IT1191771B (it)	1988-03-23
IT8620277A1 (it)	1987-10-30
FR2581458A1 (fr)	1986-11-07
DE3614529A1 (de)	1986-11-06
SE8602030L (sv)	1986-11-02
DE3614529C2 (ja)	1993-06-03
ES8801039A1 (es)	1987-12-01

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Legal Events

Date	Code	Title	Description
1995-01-31	NAL	Patent in force	Ref document number: 8602030-2 Format of ref document f/p: F
1998-02-02	NUG	Patent has lapsed	Ref document number: 8602030-2 Format of ref document f/p: F

Date

Code

Title

Description

1995-01-31

NAL

Patent in force

Ref document number: 8602030-2

Format of ref document f/p: F

1998-02-02

NUG

Patent has lapsed