NO851873L - Anordning og fremgangsmaate for aa bestemme en kapasitetsverdi - Google Patents
Anordning og fremgangsmaate for aa bestemme en kapasitetsverdiInfo
- Publication number
- NO851873L NO851873L NO851873A NO851873A NO851873L NO 851873 L NO851873 L NO 851873L NO 851873 A NO851873 A NO 851873A NO 851873 A NO851873 A NO 851873A NO 851873 L NO851873 L NO 851873L
- Authority
- NO
- Norway
- Prior art keywords
- capacitor
- clock pulse
- time
- voltage
- potential
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 23
- 239000003990 capacitor Substances 0.000 claims description 111
- 230000000630 rising effect Effects 0.000 claims description 14
- 238000005259 measurement Methods 0.000 description 15
- 230000000295 complement effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000012163 sequencing technique Methods 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)
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 (1)
| Publication Number | Publication Date |
|---|---|
| NO851873L true NO851873L (no) | 1985-05-10 |
Family
ID=24120057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO851873A NO851873L (no) | 1983-09-14 | 1985-05-10 | Anordning og fremgangsmaate for aa bestemme en kapasitetsverdi |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4558274A (fr) |
| EP (1) | EP0156811B1 (fr) |
| JP (1) | JPS60502227A (fr) |
| CA (1) | CA1222546A (fr) |
| DE (1) | DE3490412T (fr) |
| DK (1) | DK208585A (fr) |
| GB (1) | GB2161280B (fr) |
| NL (1) | NL8420187A (fr) |
| NO (1) | NO851873L (fr) |
| SE (1) | SE447511B (fr) |
| WO (1) | WO1985001356A1 (fr) |
Families Citing this family (34)
| 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 (fr) * | 1992-09-10 | 1994-03-17 | David Sarnoff Research Center, Inc. | Capteur capacitif et procede de mesure des variations de la capacite |
| 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 |
| AU5906901A (en) | 2000-04-14 | 2001-10-30 | Robertshaw Controls Co | 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 (fr) * | 2004-06-21 | 2006-01-05 | Kele, Inc. | Mesure de la capacite d'un detecteur capacitif avec un microprocesseur |
| 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 |
| 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 |
| US8169238B1 (en) | 2007-07-03 | 2012-05-01 | Cypress Semiconductor Corporation | Capacitance to frequency converter |
| US8525798B2 (en) | 2008-01-28 | 2013-09-03 | Cypress Semiconductor Corporation | Touch sensing |
| US8319505B1 (en) | 2008-10-24 | 2012-11-27 | Cypress Semiconductor Corporation | Methods and circuits for measuring mutual and self capacitance |
| US8358142B2 (en) | 2008-02-27 | 2013-01-22 | 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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2134112B1 (fr) * | 1971-04-20 | 1974-03-22 | Sodern | |
| JPS539542B2 (fr) * | 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 |
| GB2020434B (en) * | 1978-05-02 | 1982-09-29 | Matsushita Electric Ind 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 DE DE19843490412 patent/DE3490412T/de not_active Ceased
- 1984-06-19 NL NL8420187A patent/NL8420187A/nl not_active Application Discontinuation
- 1984-06-19 GB GB08506391A patent/GB2161280B/en not_active Expired
- 1984-06-19 JP JP59502599A patent/JPS60502227A/ja active Pending
- 1984-06-19 EP EP84902641A patent/EP0156811B1/fr not_active Expired
- 1984-06-19 WO PCT/US1984/000934 patent/WO1985001356A1/fr active IP Right Grant
- 1984-08-21 CA CA000461460A patent/CA1222546A/fr not_active Expired
-
1985
- 1985-04-26 SE SE8502036A patent/SE447511B/sv not_active IP Right Cessation
- 1985-05-10 NO NO851873A patent/NO851873L/no unknown
- 1985-05-10 DK DK208585A patent/DK208585A/da not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| WO1985001356A1 (fr) | 1985-03-28 |
| SE8502036L (sv) | 1985-04-26 |
| JPS60502227A (ja) | 1985-12-19 |
| NL8420187A (nl) | 1985-07-01 |
| DK208585D0 (da) | 1985-05-10 |
| DK208585A (da) | 1985-05-10 |
| SE8502036D0 (sv) | 1985-04-26 |
| CA1222546A (fr) | 1987-06-02 |
| US4558274A (en) | 1985-12-10 |
| DE3490412T (de) | 1985-09-05 |
| EP0156811A1 (fr) | 1985-10-09 |
| GB8506391D0 (en) | 1985-04-11 |
| EP0156811B1 (fr) | 1987-11-19 |
| GB2161280B (en) | 1987-08-26 |
| SE447511B (sv) | 1986-11-17 |
| GB2161280A (en) | 1986-01-08 |
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