EP0601801A3 - Maintaining precise electrostatic control using two esvs. - Google Patents

Maintaining precise electrostatic control using two esvs. Download PDF

Info

Publication number
EP0601801A3
EP0601801A3 EP93309687A EP93309687A EP0601801A3 EP 0601801 A3 EP0601801 A3 EP 0601801A3 EP 93309687 A EP93309687 A EP 93309687A EP 93309687 A EP93309687 A EP 93309687A EP 0601801 A3 EP0601801 A3 EP 0601801A3
Authority
EP
European Patent Office
Prior art keywords
esvs
electrostatic control
maintaining precise
precise electrostatic
maintaining
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.)
Granted
Application number
EP93309687A
Other versions
EP0601801B1 (en
EP0601801A2 (en
Inventor
Mark A Scheuer
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.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Publication of EP0601801A2 publication Critical patent/EP0601801A2/en
Publication of EP0601801A3 publication Critical patent/EP0601801A3/en
Application granted granted Critical
Publication of EP0601801B1 publication Critical patent/EP0601801B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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
    • G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
    • 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
    • G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
    • G03G15/0105—Details of unit
    • G03G15/0121—Details of unit for developing
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/04—Arrangements for exposing and producing an image
    • G03G2215/0495—Plural charge levels of latent image produced, e.g. trilevel

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Color Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Developing For Electrophotography (AREA)
  • Dry Development In Electrophotography (AREA)
EP19930309687 1992-12-07 1993-12-03 Maintaining precise electrostatic control using two esvs Expired - Lifetime EP0601801B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US98640092A 1992-12-07 1992-12-07
US986400 1992-12-07

Publications (3)

Publication Number Publication Date
EP0601801A2 EP0601801A2 (en) 1994-06-15
EP0601801A3 true EP0601801A3 (en) 1995-09-13
EP0601801B1 EP0601801B1 (en) 1997-01-02

Family

ID=25532376

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19930309687 Expired - Lifetime EP0601801B1 (en) 1992-12-07 1993-12-03 Maintaining precise electrostatic control using two esvs

Country Status (6)

Country Link
EP (1) EP0601801B1 (en)
JP (1) JP2778906B2 (en)
BR (1) BR9304957A (en)
CA (1) CA2107190C (en)
DE (1) DE69307111T2 (en)
MX (1) MX9307527A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1078688A (en) * 1996-09-05 1998-03-24 Hitachi Ltd Color image forming device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0334287A2 (en) * 1988-03-22 1989-09-27 Hitachi, Ltd. Electrostatic recording apparatus
US5138378A (en) * 1991-09-05 1992-08-11 Xerox Corporation Electrostatic target recalculation in a xerographic imaging apparatus
EP0531161A2 (en) * 1991-09-05 1993-03-10 Xerox Corporation Electrostatic voltmeter (ESV) zero offset adjustment

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58107555A (en) * 1981-12-22 1983-06-27 Canon Inc Color copying device
US4879577A (en) * 1988-04-19 1989-11-07 International Business Machines Corporation Method and apparatus for controlling the electrostatic parameters of an electrophotographic reproduction device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0334287A2 (en) * 1988-03-22 1989-09-27 Hitachi, Ltd. Electrostatic recording apparatus
US5138378A (en) * 1991-09-05 1992-08-11 Xerox Corporation Electrostatic target recalculation in a xerographic imaging apparatus
EP0531161A2 (en) * 1991-09-05 1993-03-10 Xerox Corporation Electrostatic voltmeter (ESV) zero offset adjustment

Also Published As

Publication number Publication date
JP2778906B2 (en) 1998-07-23
CA2107190A1 (en) 1994-06-08
DE69307111D1 (en) 1997-02-13
CA2107190C (en) 1996-10-01
DE69307111T2 (en) 1997-07-03
EP0601801B1 (en) 1997-01-02
MX9307527A (en) 1994-06-30
JPH06208275A (en) 1994-07-26
EP0601801A2 (en) 1994-06-15
BR9304957A (en) 1994-06-21

Similar Documents

Publication Publication Date Title
EP0597463A3 (en) Thermotherapiesonde.
EP0580285A3 (en) Auto-reclosers.
GB9410413D0 (en) Control systems
GR3025363T3 (en) Medicaments.
ZA931370B (en) Sulfonylbenzyl-substituted pyridones.
AU646552B2 (en) New herbicides
EP0572808A3 (en) Antiblocage-system.
AU647258B2 (en) New herbicides
EP0668864A4 (en) Substituted biphenylmethylimidazopyridines.
ZA941249B (en) Termite control
ZA93770B (en) Herbicides.
EP0599191A3 (en) Speed-governor-circuit.
EP0653246A3 (en) Atomizer.
EP0592354A3 (en) Vacuum-centrifuge.
ZA934263B (en) Novel herbicides.
EP0601801A3 (en) Maintaining precise electrostatic control using two esvs.
EP0594287A3 (en) Desk.
ZA935828B (en) New insobutyl-substituted methanesulphonyl-quinolyl-methoxyphenyl-cycloalkylacetamides.
EP0662782A4 (en) Pp14-based therapy.
GB9417468D0 (en) Control means
EP0604923A3 (en) Sleeve.
GB9226091D0 (en) Control headcollar
GB9212812D0 (en) Micro-vision total control
EP0604059A3 (en) Video-memory control apparatus.
GB9206299D0 (en) Control systems

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE FR GB

17P Request for examination filed

Effective date: 19960313

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

17Q First examination report despatched

Effective date: 19960718

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB

REF Corresponds to:

Ref document number: 69307111

Country of ref document: DE

Date of ref document: 19970213

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

REG Reference to a national code

Ref country code: GB

Ref legal event code: 746

Effective date: 20050809

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20081212

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20081127

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20081203

Year of fee payment: 16

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20091203

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20100831

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20091231

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100701

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20091203