SE447511B - Forfarande och krets for att bestemma en kondensators kapacitansverde - Google Patents

Forfarande och krets for att bestemma en kondensators kapacitansverde

Info

Publication number: SE447511B
Authority: SE; Sweden
Prior art keywords: capacitor; voltage; time; charging; potential
Prior art date: 1983-09-14

Application number

SE8502036A

Other languages

English (en)

Swedish (sv)

Other versions

SE8502036L (sv

SE8502036D0 (sv

Inventor

S J Carusillo

Original Assignee

Johnson Service Co

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.)

1983-09-14

Filing date

1985-04-26

Publication date

1986-11-17

1985-04-26 Application filed by Johnson Service Co filed Critical Johnson Service Co

1985-04-26 Publication of SE8502036L publication Critical patent/SE8502036L/

1985-04-26 Publication of SE8502036D0 publication Critical patent/SE8502036D0/xx

1986-11-17 Publication of SE447511B publication Critical patent/SE447511B/sv

Links

239000003990 capacitor Substances 0.000 title claims description 78
238000000034 method Methods 0.000 title claims description 16
230000000630 rising effect Effects 0.000 claims description 3
238000005259 measurement Methods 0.000 description 12
230000000295 complement effect Effects 0.000 description 4
238000010586 diagram Methods 0.000 description 4
230000000694 effects Effects 0.000 description 3
230000002457 bidirectional effect Effects 0.000 description 2
230000003247 decreasing effect Effects 0.000 description 2
238000007599 discharging Methods 0.000 description 2
238000004378 air conditioning Methods 0.000 description 1
238000004140 cleaning Methods 0.000 description 1
238000010276 construction Methods 0.000 description 1
125000004122 cyclic group Chemical group 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
230000001105 regulatory effect Effects 0.000 description 1
230000007704 transition Effects 0.000 description 1
238000009423 ventilation Methods 0.000 description 1

Classifications

- 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
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
- G01R27/2605—Measuring capacitance

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Measurement Of Resistance Or Impedance (AREA)
Apparatus For Radiation Diagnosis (AREA)

SE8502036A 1983-09-14 1985-04-26 Forfarande och krets for att bestemma en kondensators kapacitansverde SE447511B (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/532,017 US4558274A (en)	1983-09-14	1983-09-14	Apparatus and method determining the value of a capacitance

Publications (3)

Publication Number	Publication Date
SE8502036L SE8502036L (sv)	1985-04-26
SE8502036D0 SE8502036D0 (sv)	1985-04-26
SE447511B true SE447511B (sv)	1986-11-17

Family

ID=24120057

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE8502036A SE447511B (sv)	1983-09-14	1985-04-26	Forfarande och krets for att bestemma en kondensators kapacitansverde

Country Status (11)

Country	Link
US (1)	US4558274A (da)
EP (1)	EP0156811B1 (da)
JP (1)	JPS60502227A (da)
CA (1)	CA1222546A (da)
DE (1)	DE3490412T (da)
DK (1)	DK208585A (da)
GB (1)	GB2161280B (da)
NL (1)	NL8420187A (da)
NO (1)	NO851873L (da)
SE (1)	SE447511B (da)
WO (1)	WO1985001356A1 (da)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2564205B1 (fr) *	1984-05-10	1986-10-24	Univ Rennes	Procede et dispositif pour le test rapide de condensateurs et de materiaux dielectriques
US4794320A (en) *	1987-08-10	1988-12-27	Moore Products Co.	Multi-frequency capacitance sensor
US5245294A (en) *	1991-03-08	1993-09-14	General Electric Company	Method for evaluating operability of filter components in power conversion system
US5202640A (en) *	1991-06-03	1993-04-13	International Business Machines Corporation	Capacitance and leakage test method and apparatus
DE4208399A1 (de) *	1992-03-16	1993-09-23	Knorr Bremse Ag	Verfahren und messvorrichtung zur messung der zeitkonstanten eines elektrischen wegaufnehmers
US5585733A (en) *	1992-09-10	1996-12-17	David Sarnoff Research Center	Capacitive sensor and method of measuring changes in capacitance
WO1994006002A1 (en) *	1992-09-10	1994-03-17	David Sarnoff Research Center, Inc.	Capacitive sensor and method of measuring changes in capacitance
US5461321A (en) *	1993-09-17	1995-10-24	Penberthy, Inc.	Apparatus and method for measuring capacitance from the duration of a charge-discharge charge cycle
US5576628A (en) *	1994-09-30	1996-11-19	Telcom Semiconductor, Inc.	Method and apparatus to measure capacitance
US5663506A (en) *	1995-08-21	1997-09-02	Moore Products Co.	Capacitive temperature and pressure transducer
US5730165A (en) *	1995-12-26	1998-03-24	Philipp; Harald	Time domain capacitive field detector
US5945831A (en) *	1997-06-10	1999-08-31	Sargent; John S.	Volume charge density measuring system
US6529017B2 (en)	2000-04-14	2003-03-04	Robertshaw Controls Company	Capacitance level measurement circuit and system
US6661410B2 (en)	2001-09-07	2003-12-09	Microsoft Corporation	Capacitive sensing and data input device power management
US6703599B1 (en) *	2002-01-30	2004-03-09	Microsoft Corporation	Proximity sensor with adaptive threshold
US6954867B2 (en) *	2002-07-26	2005-10-11	Microsoft Corporation	Capacitive sensing employing a repeatable offset charge
WO2006002301A1 (en) *	2004-06-21	2006-01-05	Kele, Inc.	Measuring the capacitance of a capacitive sensor with a microprocessor
DE102006020301B4 (de) *	2005-05-07	2014-07-31	Acam-Messelectronic Gmbh	Verfahren und Vorrichtung zum Messen von Kapazitäten
FR2885416B1 (fr) *	2005-05-07	2016-06-10	Acam Messelectronic Gmbh	Procede et dispositif de mesure de capacites.
US7312616B2 (en)	2006-01-20	2007-12-25	Cypress Semiconductor Corporation	Successive approximate capacitance measurement circuit
US8547114B2 (en)	2006-11-14	2013-10-01	Cypress Semiconductor Corporation	Capacitance to code converter with sigma-delta modulator
KR100834743B1 (ko) *	2006-12-21	2008-06-05	삼성전자주식회사	커패시턴스 측정 회로 및 그에 따른 커패시턴스 측정 방법
US7804307B1 (en) *	2007-06-29	2010-09-28	Cypress Semiconductor Corporation	Capacitance measurement systems and methods
US9500686B1 (en)	2007-06-29	2016-11-22	Cypress Semiconductor Corporation	Capacitance measurement system and methods
US8169238B1 (en)	2007-07-03	2012-05-01	Cypress Semiconductor Corporation	Capacitance to frequency converter
US8089289B1 (en)	2007-07-03	2012-01-03	Cypress Semiconductor Corporation	Capacitive field sensor with sigma-delta modulator
US8570053B1 (en)	2007-07-03	2013-10-29	Cypress Semiconductor Corporation	Capacitive field sensor with sigma-delta modulator
US8525798B2 (en)	2008-01-28	2013-09-03	Cypress Semiconductor Corporation	Touch sensing
US8358142B2 (en)	2008-02-27	2013-01-22	Cypress Semiconductor Corporation	Methods and circuits for measuring mutual and self capacitance
US8319505B1 (en)	2008-10-24	2012-11-27	Cypress Semiconductor Corporation	Methods and circuits for measuring mutual and self capacitance
US9104273B1 (en)	2008-02-29	2015-08-11	Cypress Semiconductor Corporation	Multi-touch sensing method
US8321174B1 (en)	2008-09-26	2012-11-27	Cypress Semiconductor Corporation	System and method to measure capacitance of capacitive sensor array
DE102013212965A1 (de)	2013-07-03	2015-01-08	Volkswagen Aktiengesellschaft	Batterieladungsausgleichsvorrichtung, Batteriemanagementsystem und Verfahren zum Ladungsausgleich
JP7311380B2 (ja) *	2019-10-01	2023-07-19	株式会社日立産機システム	電源コンデンサ静電容量測定装置及び電源コンデンサ静電容量測定方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2134112B1 (da) *	1971-04-20	1974-03-22	Sodern
JPS539542B2 (da) *	1972-09-21	1978-04-06
US4065715A (en) *	1975-12-18	1977-12-27	General Motors Corporation	Pulse duration modulated signal transducer
SE431683B (sv) *	1977-09-23	1984-02-20	Testut Aequitas	Anordning for metning av kapacitansen hos en kondensator
US4282480A (en) *	1978-05-02	1981-08-04	Matsushita Electric Industrial Co., Ltd.	Apparatus for humidity detection
US4492916A (en) *	1979-07-20	1985-01-08	Johnson Benjamin A	Digital meter using calculator components
US4227419A (en) *	1979-09-04	1980-10-14	Kavlico Corporation	Capacitive pressure transducer
DE3050519C2 (de) *	1980-12-18	1984-02-16	Siemens AG, 1000 Berlin und 8000 München	Verfahren und Schaltungsanordnung zur Bestimmung des Wertes der Kapazität eines Meßobjektes

1983
- 1983-09-14 US US06/532,017 patent/US4558274A/en not_active Expired - Fee Related
1984
- 1984-06-19 GB GB08506391A patent/GB2161280B/en not_active Expired
- 1984-06-19 JP JP59502599A patent/JPS60502227A/ja active Pending
- 1984-06-19 DE DE19843490412 patent/DE3490412T/de not_active Ceased
- 1984-06-19 NL NL8420187A patent/NL8420187A/nl not_active Application Discontinuation
- 1984-06-19 WO PCT/US1984/000934 patent/WO1985001356A1/en not_active Ceased
- 1984-06-19 EP EP84902641A patent/EP0156811B1/en not_active Expired
- 1984-08-21 CA CA000461460A patent/CA1222546A/en not_active Expired
1985
- 1985-04-26 SE SE8502036A patent/SE447511B/sv not_active IP Right Cessation
- 1985-05-10 DK DK208585A patent/DK208585A/da not_active Application Discontinuation
- 1985-05-10 NO NO851873A patent/NO851873L/no unknown

Also Published As

Publication number	Publication date
US4558274A (en)	1985-12-10
SE8502036L (sv)	1985-04-26
WO1985001356A1 (en)	1985-03-28
SE8502036D0 (sv)	1985-04-26
EP0156811B1 (en)	1987-11-19
EP0156811A1 (en)	1985-10-09
GB8506391D0 (en)	1985-04-11
NO851873L (no)	1985-05-10
JPS60502227A (ja)	1985-12-19
GB2161280B (en)	1987-08-26
GB2161280A (en)	1986-01-08
DK208585D0 (da)	1985-05-10
DK208585A (da)	1985-05-10
CA1222546A (en)	1987-06-02
DE3490412T (de)	1985-09-05
NL8420187A (nl)	1985-07-01

Legal Events

Date

Code

Title

Description

1995-01-31

NUG

Patent has lapsed

Ref document number: 8502036-0

Effective date: 19890725

Format of ref document f/p: F

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