GB2108730B - Power control unit - Google Patents

Power control unit

Info

Publication number
GB2108730B
GB2108730B GB08224515A GB8224515A GB2108730B GB 2108730 B GB2108730 B GB 2108730B GB 08224515 A GB08224515 A GB 08224515A GB 8224515 A GB8224515 A GB 8224515A GB 2108730 B GB2108730 B GB 2108730B
Authority
GB
United Kingdom
Prior art keywords
control unit
power control
power
unit
control
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
Application number
GB08224515A
Other versions
GB2108730A (en
Inventor
Yoshiaki Nishida
Takeshi Honjo
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
Canon Finetech Nisca Inc
Original Assignee
Canon Inc
Copyer Co Ltd
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 Canon Inc, Copyer Co Ltd filed Critical Canon Inc
Publication of GB2108730A publication Critical patent/GB2108730A/en
Application granted granted Critical
Publication of GB2108730B publication Critical patent/GB2108730B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/66—Regulating electric power
    • 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
    • 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
    • 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
    • G05D23/1917—Control of temperature characterised by the use of electric means using digital means
    • 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
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Control Of Temperature (AREA)
  • Fixing For Electrophotography (AREA)
GB08224515A 1981-09-01 1982-08-26 Power control unit Expired GB2108730B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56136179A JPS5838972A (en) 1981-09-01 1981-09-01 Controlling method for temperature of fixing device in electrophtotgraphic copying machine

Publications (2)

Publication Number Publication Date
GB2108730A GB2108730A (en) 1983-05-18
GB2108730B true GB2108730B (en) 1985-10-30

Family

ID=15169175

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08224515A Expired GB2108730B (en) 1981-09-01 1982-08-26 Power control unit

Country Status (3)

Country Link
JP (1) JPS5838972A (en)
DE (1) DE3232505A1 (en)
GB (1) GB2108730B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4857960A (en) * 1985-08-09 1989-08-15 Canon Kabushiki Kaisha Control device for image processing or forming apparatus
EP0402143B1 (en) * 1989-06-07 1994-08-31 Canon Kabushiki Kaisha Image forming apparatus
JP3347456B2 (en) * 1994-02-22 2002-11-20 キヤノン株式会社 Power control device and fixing device
NL1006388C2 (en) * 1997-06-25 1998-12-29 Oce Tech Bv Device for controlling the power supply to a load in a reproduction device, in particular to a fixing unit.
JP5458594B2 (en) 2008-06-03 2014-04-02 株式会社リコー Image forming apparatus
JP6870296B2 (en) 2016-11-25 2021-05-12 ブラザー工業株式会社 Image forming device, control method and program

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4056708A (en) * 1975-07-22 1977-11-01 Baxter Travenol Laboratories, Inc. Digital temperature controller
NL7509461A (en) * 1975-08-08 1977-02-10 Oce Van Der Grinten Nv CONTROL CIRCUIT FOR A POWER CONTROL CIRCUIT AND ELECTRICAL (PHOTO) GRAPHICS COPIER FITTED WITH THIS CONTROL CIRCUIT.
JPS52147729A (en) * 1976-06-04 1977-12-08 Matsushita Electric Ind Co Ltd Frequency converter

Also Published As

Publication number Publication date
GB2108730A (en) 1983-05-18
DE3232505C2 (en) 1993-05-19
DE3232505A1 (en) 1983-03-17
JPS5838972A (en) 1983-03-07

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20020825