GB2009425B – Surface potentionmeter
– Google Patents
GB2009425B – Surface potentionmeter
– Google Patents
Surface potentionmeter
Info
Publication number
GB2009425B
GB2009425B
GB7843821A
GB7843821A
GB2009425B
GB 2009425 B
GB2009425 B
GB 2009425B
GB 7843821 A
GB7843821 A
GB 7843821A
GB 7843821 A
GB7843821 A
GB 7843821A
GB 2009425 B
GB2009425 B
GB 2009425B
Authority
GB
United Kingdom
Prior art keywords
potentionmeter
surface potentionmeter
Prior art date
1977-11-09
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
GB7843821A
Other versions
GB2009425A
(en
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.)
Canon Inc
Original Assignee
Canon Inc
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.)
1977-11-09
Filing date
1978-11-09
Publication date
1982-06-09
1978-11-09
Application filed by Canon Inc
filed
Critical
Canon Inc
1979-06-13
Publication of GB2009425A
publication
Critical
patent/GB2009425A/en
1982-06-09
Application granted
granted
Critical
1982-06-09
Publication of GB2009425B
publication
Critical
patent/GB2009425B/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
G—PHYSICS
G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
G03G15/00—Apparatus for electrographic processes using a charge pattern
G03G15/50—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
G03G15/5033—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control by measuring the photoconductor characteristics, e.g. temperature, or the characteristics of an image on the photoconductor
G03G15/5037—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control by measuring the photoconductor characteristics, e.g. temperature, or the characteristics of an image on the photoconductor the characteristics being an electrical parameter, e.g. voltage
G—PHYSICS
G01—MEASURING; TESTING
G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 – G01R27/00
G01R29/12—Measuring electrostatic fields or voltage-potential
GB7843821A
1977-11-09
1978-11-09
Surface potentionmeter
Expired
GB2009425B
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
JP13359477A
JPS5467475A
(en)
1977-11-09
1977-11-09
Surface potentiometer
Publications (2)
Publication Number
Publication Date
GB2009425A
GB2009425A
(en)
1979-06-13
GB2009425B
true
GB2009425B
(en)
1982-06-09
Family
ID=15108451
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB7843821A
Expired
GB2009425B
(en)
1977-11-09
1978-11-09
Surface potentionmeter
Country Status (4)
Country
Link
US
(1)
US4261660A
(en)
JP
(1)
JPS5467475A
(en)
DE
(1)
DE2848709A1
(en)
GB
(1)
GB2009425B
(en)
Families Citing this family (15)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
JPS56162059A
(en)
*
1980-05-17
1981-12-12
Ricoh Co Ltd
Probe of noncontact alternating current type electrometer
DE3128801A1
(en)
*
1980-07-22
1982-04-15
Canon K.K., Tokyo
“IMAGE GENERATION DEVICE”
JPS5767943A
(en)
*
1980-10-16
1982-04-24
Konishiroku Photo Ind Co Ltd
Retention type electrostatic recorder
DE3149668A1
(en)
*
1980-12-16
1982-07-15
Canon K.K., Tokyo
“COLOR COPIER”
JPS5961851A
(en)
*
1982-09-30
1984-04-09
Canon Inc
Display mechanism for life of process cartridge
US4529940A
(en)
*
1982-12-13
1985-07-16
The Simco Company, Inc.
Panoramic electrostatic field sensor
US4625176A
(en)
*
1983-09-13
1986-11-25
International Business Machines Corporation
Electrostatic probe
US4569583A
(en)
*
1984-06-14
1986-02-11
Burroughs Corporation
Electrostatic charge probe for electrophotographic apparatus
US4970557A
(en)
*
1987-09-02
1990-11-13
Sharp Kabushiki Kaisha
Electrophotographic apparatus controlling image quality according to condition of deterioration
US5983043A
(en)
*
1997-12-24
1999-11-09
Canon Kabushiki Kaisha
Potential measuring apparatus and potential measuring method
JP2006003131A
(en)
*
2004-06-15
2006-01-05
Canon Inc
Potential sensor
JP2006162457A
(en)
*
2004-12-08
2006-06-22
Canon Inc
Electric potential measuring device and image forming apparatus
WO2009148572A2
(en)
*
2008-06-02
2009-12-10
The Regents Of The University Of Michigan
Rotating electric-field sensor
JP5335604B2
(en)
*
2008-09-03
2013-11-06
キヤノン株式会社
Potential sensor, electrophotographic image forming apparatus including the same, and method of manufacturing potential sensor
CN102221647B
(en)
*
2011-06-02
2013-01-16
湖南省湘电试研技术有限公司
Method for adapting to measurement of power frequency electric field intensity in high-humidity environment
Family Cites Families (12)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US2587156A
(en)
*
1948-12-28
1952-02-26
St Joseph Lead Co
Electric field strength measurement
US3013203A
(en)
*
1958-07-01
1961-12-12
Xerox Corp
Xerographic electrometer apparatus
US3321307A
(en)
*
1963-07-15
1967-05-23
Eastman Kodak Co
Exposure control in xerographic printing
US3344344A
(en)
*
1964-10-01
1967-09-26
Jr Nathaniel B Wales
Electric charge responsive device
US3525936A
(en)
*
1966-07-26
1970-08-25
Robert E Vosteen
Electrostatic voltage follower circuit for use as a voltmeter
US3611127A
(en)
*
1968-09-16
1971-10-05
Robert E Vosteen
Electrostatic potential and field measurement apparatus having a capacitor detector with feedback to drive the capacitor detector to the potential being measured
US3667036A
(en)
*
1970-01-23
1972-05-30
Xerox Corp
Electrometer amplifier circuits
US3898001A
(en)
*
1973-08-14
1975-08-05
Xerox Corp
Electrometer system for non-contact detection of electrostatic charge on a moving electrostatographic imaging surface
US3852668A
(en)
*
1973-08-14
1974-12-03
Xerox Corp
Electrometer system
US3944354A
(en)
*
1974-09-06
1976-03-16
Eastman Kodak Company
Voltage measurement apparatus
FR2294451A1
(en)
*
1974-12-09
1976-07-09
Anvar
DEVICE FOR MEASURING QUANTITIES OF ELECTRICAL CHARGES
US4127806A
(en)
*
1977-04-01
1978-11-28
Xerox Corporation
Shielded electrometer whose output is used to control width of pulses fed back to the shield and associated battery test circuitry
1977
1977-11-09
JP
JP13359477A
patent/JPS5467475A/en
active
Pending
1978
1978-10-31
US
US05/956,330
patent/US4261660A/en
not_active
Expired – Lifetime
1978-11-09
DE
DE19782848709
patent/DE2848709A1/en
active
Granted
1978-11-09
GB
GB7843821A
patent/GB2009425B/en
not_active
Expired
Also Published As
Publication number
Publication date
JPS5467475A
(en)
1979-05-30
DE2848709C2
(en)
1987-01-15
DE2848709A1
(en)
1979-05-10
GB2009425A
(en)
1979-06-13
US4261660A
(en)
1981-04-14
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Legal Events
Date
Code
Title
Description
1998-12-02
PE20
Patent expired after termination of 20 years
Effective date:
19981108
