GB2320341B - Temperature control in a fixing device for an image forming apparatus - Google Patents

Temperature control in a fixing device for an image forming apparatus

Info

Publication number
GB2320341B
GB2320341B GB9806563A GB9806563A GB2320341B GB 2320341 B GB2320341 B GB 2320341B GB 9806563 A GB9806563 A GB 9806563A GB 9806563 A GB9806563 A GB 9806563A GB 2320341 B GB2320341 B GB 2320341B
Authority
GB
United Kingdom
Prior art keywords
image forming
forming apparatus
fixing device
temperature control
fixing
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.)
Expired - Fee Related
Application number
GB9806563A
Other versions
GB2320341A (en
GB9806563D0 (en
Inventor
Takashi Suzuki
Hisako Katsuura
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.)
Seiko Epson Corp
Original Assignee
Seiko Epson 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
Priority claimed from JP25876293A external-priority patent/JPH07114281A/en
Priority claimed from JP25876193A external-priority patent/JP2947023B2/en
Priority claimed from JP6048535A external-priority patent/JPH07261475A/en
Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Priority to GB9808913A priority Critical patent/GB2321321B/en
Priority claimed from GB9420688A external-priority patent/GB2283583B/en
Publication of GB9806563D0 publication Critical patent/GB9806563D0/en
Publication of GB2320341A publication Critical patent/GB2320341A/en
Application granted granted Critical
Publication of GB2320341B publication Critical patent/GB2320341B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H05B1/0227—Applications
    • H05B1/023—Industrial applications
    • H05B1/0241—For photocopiers
    • 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
    • G03G15/20—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
    • G03G15/2003—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat
    • G03G15/2014—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat
    • G03G15/2039—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat with means for controlling the fixing temperature
    • 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
    • G03G15/20—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
    • G03G15/2003—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat
    • G03G15/2014—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat
    • G03G15/2039—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat with means for controlling the fixing temperature
    • G03G15/2046—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat with means for controlling the fixing temperature specially for the influence of heat loss, e.g. due to the contact with the copy material or other roller
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1906—Control of temperature characterised by the use of electric means using an analogue comparing device
    • G05D23/1913—Control of temperature characterised by the use of electric means using an analogue comparing device delivering a series of pulses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Fixing For Electrophotography (AREA)
GB9806563A 1993-10-15 1994-10-13 Temperature control in a fixing device for an image forming apparatus Expired - Fee Related GB2320341B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9808913A GB2321321B (en) 1993-10-15 1994-10-13 Temperature control in a fixing device for an image forming apparatus

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP25876293A JPH07114281A (en) 1993-10-15 1993-10-15 Method for controlling temperature of fixing device
JP25876193A JP2947023B2 (en) 1993-10-15 1993-10-15 Fixing device temperature control method
JP6048535A JPH07261475A (en) 1994-03-18 1994-03-18 Temperature control method for fixing device, fixing device using the same and image forming device
GB9420688A GB2283583B (en) 1993-10-15 1994-10-13 Temperature control in a fixing device for an image forming apparatus

Publications (3)

Publication Number Publication Date
GB9806563D0 GB9806563D0 (en) 1998-05-27
GB2320341A GB2320341A (en) 1998-06-17
GB2320341B true GB2320341B (en) 1998-07-29

Family

ID=27451217

Family Applications (3)

Application Number Title Priority Date Filing Date
GB9808905A Expired - Fee Related GB2321319B (en) 1993-10-15 1994-10-13 Temperature control in a fixing device for an image forming apparatus
GB9806562A Expired - Fee Related GB2320340B (en) 1993-10-15 1994-10-13 Temperature control in a fixing device for an image forming apparatus
GB9806563A Expired - Fee Related GB2320341B (en) 1993-10-15 1994-10-13 Temperature control in a fixing device for an image forming apparatus

Family Applications Before (2)

Application Number Title Priority Date Filing Date
GB9808905A Expired - Fee Related GB2321319B (en) 1993-10-15 1994-10-13 Temperature control in a fixing device for an image forming apparatus
GB9806562A Expired - Fee Related GB2320340B (en) 1993-10-15 1994-10-13 Temperature control in a fixing device for an image forming apparatus

Country Status (1)

Country Link
GB (3) GB2321319B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7826759B2 (en) * 2006-01-24 2010-11-02 Samsung Electronics Co., Ltd. Power control method and apparatus to heat a heating roller
JP4786417B2 (en) * 2006-05-26 2011-10-05 株式会社リコー FIXING DEVICE, IMAGE FORMING DEVICE, HEATING CONTROL METHOD, AND HEATING CONTROL DEVICE
WO2020131023A1 (en) * 2018-12-18 2020-06-25 Hewlett-Packard Development Company, L.P. Pulse width modulation value calculations

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4046990A (en) * 1975-04-07 1977-09-06 Eastman Kodak Company Temperature sensing and control of a fusing roll
US5464964A (en) * 1991-12-11 1995-11-07 Canon Kabushiki Kaisha Image heating apparatus changing set temperature in accordance with temperature of heater

Also Published As

Publication number Publication date
GB2320341A (en) 1998-06-17
GB9806562D0 (en) 1998-05-27
GB2320340A (en) 1998-06-17
GB2321319B (en) 1998-09-02
GB9806563D0 (en) 1998-05-27
GB9808905D0 (en) 1998-06-24
GB2320340B (en) 1998-07-29
GB2321319A (en) 1998-07-22

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20081013