JP6976768B2 - 電源装置及び画像形成装置 - Google Patents

電源装置及び画像形成装置 Download PDF

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Publication number
JP6976768B2
JP6976768B2 JP2017154665A JP2017154665A JP6976768B2 JP 6976768 B2 JP6976768 B2 JP 6976768B2 JP 2017154665 A JP2017154665 A JP 2017154665A JP 2017154665 A JP2017154665 A JP 2017154665A JP 6976768 B2 JP6976768 B2 JP 6976768B2
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Japan
Prior art keywords
rectifying
transformer
voltage
power supply
secondary winding
Prior art date
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Application number
JP2017154665A
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English (en)
Japanese (ja)
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JP2019033645A (ja
JP2019033645A5 (enExample
Inventor
潤一 久保田
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.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2017154665A priority Critical patent/JP6976768B2/ja
Priority to US16/052,434 priority patent/US10503108B2/en
Publication of JP2019033645A publication Critical patent/JP2019033645A/ja
Publication of JP2019033645A5 publication Critical patent/JP2019033645A5/ja
Application granted granted Critical
Publication of JP6976768B2 publication Critical patent/JP6976768B2/ja
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    • 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
    • G03G15/5004—Power supply control, e.g. power-saving mode, automatic power turn-off
    • 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
    • G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
    • G03G15/0283—Arrangements for supplying power to the sensitising device
    • 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
    • G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
    • G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer
    • G03G15/1665—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat
    • G03G15/167—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat at least one of the recording member or the transfer member being rotatable during the transfer
    • G03G15/1675—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat at least one of the recording member or the transfer member being rotatable during the transfer with means for controlling the bias applied in the transfer nip
    • 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
    • G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
    • G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer
    • G03G15/1665—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat
    • G03G15/167—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat at least one of the recording member or the transfer member being rotatable during the transfer
    • G03G15/168—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat at least one of the recording member or the transfer member being rotatable during the transfer with means for conditioning the transfer element, e.g. cleaning
    • 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
    • G03G15/80—Details relating to power supplies, circuits boards, electrical connections
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
    • H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
    • H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
    • H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Electrophotography Configuration And Component (AREA)
  • Dc-Dc Converters (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
JP2017154665A 2017-08-09 2017-08-09 電源装置及び画像形成装置 Active JP6976768B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2017154665A JP6976768B2 (ja) 2017-08-09 2017-08-09 電源装置及び画像形成装置
US16/052,434 US10503108B2 (en) 2017-08-09 2018-08-01 Power supply apparatus for outputting first and second voltages from one transformer and image forming apparatus including power supply apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017154665A JP6976768B2 (ja) 2017-08-09 2017-08-09 電源装置及び画像形成装置

Publications (3)

Publication Number Publication Date
JP2019033645A JP2019033645A (ja) 2019-02-28
JP2019033645A5 JP2019033645A5 (enExample) 2020-09-10
JP6976768B2 true JP6976768B2 (ja) 2021-12-08

Family

ID=65275012

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017154665A Active JP6976768B2 (ja) 2017-08-09 2017-08-09 電源装置及び画像形成装置

Country Status (2)

Country Link
US (1) US10503108B2 (enExample)
JP (1) JP6976768B2 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10488790B2 (en) * 2017-11-29 2019-11-26 Canon Kabushiki Kaisha Image forming apparatus having transfer voltage control
US11500311B2 (en) * 2020-12-17 2022-11-15 Canon Kabushiki Kaisha Image forming apparatus including techniques and mechanisms to suppress occurrence of an image defect caused by a transfer step
JP7770832B2 (ja) * 2021-09-17 2025-11-17 キヤノン株式会社 画像形成装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59172945A (ja) * 1983-03-22 1984-09-29 Victor Co Of Japan Ltd 直流高電圧発生装置
DE69518572T2 (de) * 1994-04-29 2001-04-19 Andre Bonnet Statischer Wandler mit gesteuertem Schalter und Steuerungsschaltung
US5689409A (en) * 1994-07-27 1997-11-18 Deutsche Thomson-Brandt Gmbh Switched-mode power supply
US5500721A (en) * 1995-01-03 1996-03-19 Xerox Corporation Power supply topology enabling bipolar voltage output from a single voltage input
DE10137176A1 (de) * 2001-07-31 2003-02-13 Thomson Brandt Gmbh Schaltnetzteil mit Dämpfungsnetzwerk
JP4908863B2 (ja) 2006-02-02 2012-04-04 キヤノン株式会社 画像形成装置及び高圧電源装置
US8547711B2 (en) * 2010-11-19 2013-10-01 General Electric Company LLC converter active snubber circuit and method of operation thereof
EP2713488B1 (en) * 2012-09-28 2020-04-15 OSRAM GmbH Electronic converter, and related lighting system and method of operating an electronic converter
JP6727806B2 (ja) * 2015-02-18 2020-07-22 キヤノン株式会社 電源装置及び画像形成装置

Also Published As

Publication number Publication date
JP2019033645A (ja) 2019-02-28
US10503108B2 (en) 2019-12-10
US20190049883A1 (en) 2019-02-14

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