DE2555185A1 - Vorrichtung zur messung von elektrischen ladungsmengen - Google Patents

Vorrichtung zur messung von elektrischen ladungsmengen

Info

Publication number
DE2555185A1
DE2555185A1 DE19752555185 DE2555185A DE2555185A1 DE 2555185 A1 DE2555185 A1 DE 2555185A1 DE 19752555185 DE19752555185 DE 19752555185 DE 2555185 A DE2555185 A DE 2555185A DE 2555185 A1 DE2555185 A1 DE 2555185A1
Authority
DE
Germany
Prior art keywords
frequency
measuring device
voltage
electrical
modulated
Prior art date
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.)
Withdrawn
Application number
DE19752555185
Other languages
German (de)
English (en)
Inventor
Gerard Dreyfus
Jacques Lewiner
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.)
Bpifrance Financement SA
Original Assignee
Agence National de Valorisation de la Recherche ANVAR
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.)
Filing date
Publication date
Application filed by Agence National de Valorisation de la Recherche ANVAR filed Critical Agence National de Valorisation de la Recherche ANVAR
Publication of DE2555185A1 publication Critical patent/DE2555185A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B9/00Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
    • G11B9/08Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor using electrostatic charge injection; Record carriers therefor
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/24Arrangements for measuring quantities of charge

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Pyridine Compounds (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
DE19752555185 1974-12-09 1975-12-08 Vorrichtung zur messung von elektrischen ladungsmengen Withdrawn DE2555185A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7440303A FR2294451A1 (fr) 1974-12-09 1974-12-09 Dispositif pour mesurer des quantites de charges electriques

Publications (1)

Publication Number Publication Date
DE2555185A1 true DE2555185A1 (de) 1976-06-10

Family

ID=9145766

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752555185 Withdrawn DE2555185A1 (de) 1974-12-09 1975-12-08 Vorrichtung zur messung von elektrischen ladungsmengen

Country Status (4)

Country Link
US (1) US4064539A (cg-RX-API-DMAC10.html)
DE (1) DE2555185A1 (cg-RX-API-DMAC10.html)
FR (1) FR2294451A1 (cg-RX-API-DMAC10.html)
GB (1) GB1529950A (cg-RX-API-DMAC10.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2848709A1 (de) * 1977-11-09 1979-05-10 Canon Kk Oberflaechenpotentiometer

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2375690A1 (fr) * 1976-12-23 1978-07-21 Thomson Brandt Dispositif de detection de l'erreur de suivi radial pour lecteurs et enregistreurs optiques
US4502082A (en) * 1977-06-16 1985-02-26 Burroughs Corporation Spiral recording and associated system
US4419700A (en) * 1977-06-16 1983-12-06 Burroughs Corporation Dual-track spiral recording and associated system
US4155098A (en) * 1977-06-28 1979-05-15 Rca Corporation Groove depth estimation system using diffractive groove effects
US4180830A (en) * 1977-06-28 1979-12-25 Rca Corporation Depth estimation system using diffractive effects of the grooves and signal elements in the grooves
US4327434A (en) * 1980-01-28 1982-04-27 Rca Corporation Video disc stylus position sensor system
US4481616A (en) * 1981-09-30 1984-11-06 Rca Corporation Scanning capacitance microscope
USRE32457E (en) * 1981-09-30 1987-07-07 Rca Corporation Scanning capacitance microscope
US4879672A (en) * 1987-08-21 1989-11-07 Control Data Corporation Method and apparatus for testing runout velocity and acceleration on a surface
US7483363B2 (en) * 2004-10-14 2009-01-27 International Business Machines Corporation Data storage device and method for operating a data storage device
US7372278B2 (en) * 2005-08-16 2008-05-13 Canon Kabushiki Kaisha Electric potential measuring apparatus electrostatic capacitance measuring apparatus, electric potential measuring method, electrostatic capacitance measuring method, and image forming apparatus
DE102007034072B3 (de) * 2007-07-20 2009-03-19 Ludwig-Maximilians-Universität München Vorrichtung und Verfahren zum Ladungstransfer

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3198880A (en) * 1952-09-03 1965-08-03 Hall William D Photographic disc reproduction of television signals
US3175205A (en) * 1961-06-13 1965-03-23 Ibm Data tracking system
US3126535A (en) * 1961-12-27 1964-03-24 Transducer positioning system
DE1181275B (de) * 1962-09-19 1964-11-12 Grammophon Ges Mit Beschraenkt Anordnung zur Abtastung von Aufzeichnungen auf band- oder plattenfoermigen Aufzeich-nungstraegern
US3624284A (en) * 1966-09-01 1971-11-30 Battelle Development Corp Photographic record of digital information and playback system including optical scanner
US3711641A (en) * 1971-03-22 1973-01-16 Rca Corp Velocity adjusting system
NL7211998A (cg-RX-API-DMAC10.html) * 1972-09-02 1974-03-05
US3946367A (en) * 1972-12-20 1976-03-23 Videonics Of Hawaii, Inc. Three dimensional electro-optical retrieval system
US3872241A (en) * 1973-07-12 1975-03-18 Zenith Radio Corp Video disc pickup with capacitive tracking

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2848709A1 (de) * 1977-11-09 1979-05-10 Canon Kk Oberflaechenpotentiometer

Also Published As

Publication number Publication date
FR2294451A1 (fr) 1976-07-09
GB1529950A (en) 1978-10-25
US4064539A (en) 1977-12-20
FR2294451B1 (cg-RX-API-DMAC10.html) 1977-11-10

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Legal Events

Date Code Title Description
8141 Disposal/no request for examination