GB1376553A - Fuser heating system for a photocopying machine - Google Patents

Fuser heating system for a photocopying machine

Info

Publication number
GB1376553A
GB1376553A GB2409073A GB2409073A GB1376553A GB 1376553 A GB1376553 A GB 1376553A GB 2409073 A GB2409073 A GB 2409073A GB 2409073 A GB2409073 A GB 2409073A GB 1376553 A GB1376553 A GB 1376553A
Authority
GB
United Kingdom
Prior art keywords
supplementary
valve
power supply
heating system
photocopying machine
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
GB2409073A
Other languages
English (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.)
Unisys Corp
Original Assignee
Sperry Rand 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 Sperry Rand Corp filed Critical Sperry Rand Corp
Publication of GB1376553A publication Critical patent/GB1376553A/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
    • G05F1/10—Regulating voltage or current 
    • G05F1/12—Regulating voltage or current  wherein the variable actually regulated by the final control device is AC
    • G05F1/40—Regulating voltage or current  wherein the variable actually regulated by the final control device is AC using discharge tubes or semiconductor devices as final control devices
    • G05F1/44—Regulating voltage or current  wherein the variable actually regulated by the final control device is AC using discharge tubes or semiconductor devices as final control devices semiconductor devices only
    • G05F1/45—Regulating voltage or current  wherein the variable actually regulated by the final control device is AC using discharge tubes or semiconductor devices as final control devices semiconductor devices only being controlled rectifiers in series with the load
    • G05F1/455—Regulating voltage or current  wherein the variable actually regulated by the final control device is AC using discharge tubes or semiconductor devices as final control devices semiconductor devices only being controlled rectifiers in series with the load with phase control
    • 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
    • G03G15/2007—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using radiant heat, e.g. infrared lamps, microwave heaters
    • 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
    • G05F1/10—Regulating voltage or current 
    • G05F1/12—Regulating voltage or current  wherein the variable actually regulated by the final control device is AC
    • G05F1/40—Regulating voltage or current  wherein the variable actually regulated by the final control device is AC using discharge tubes or semiconductor devices as final control devices
    • G05F1/44—Regulating voltage or current  wherein the variable actually regulated by the final control device is AC using discharge tubes or semiconductor devices as final control devices semiconductor devices only
    • G05F1/445—Regulating voltage or current  wherein the variable actually regulated by the final control device is AC using discharge tubes or semiconductor devices as final control devices semiconductor devices only being transistors in series with the load

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Fixing For Electrophotography (AREA)
  • Control Of Resistance Heating (AREA)
  • Resistance Heating (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Control Of Temperature (AREA)
GB2409073A 1972-10-31 1973-05-21 Fuser heating system for a photocopying machine Expired GB1376553A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US30258872A 1972-10-31 1972-10-31

Publications (1)

Publication Number Publication Date
GB1376553A true GB1376553A (en) 1974-12-04

Family

ID=23168397

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2409073A Expired GB1376553A (en) 1972-10-31 1973-05-21 Fuser heating system for a photocopying machine

Country Status (9)

Country Link
US (1) US3783235A (enExample)
JP (1) JPS4978561A (enExample)
BR (1) BR7305132D0 (enExample)
CA (1) CA996991A (enExample)
DE (1) DE2335718C3 (enExample)
FR (1) FR2204822B1 (enExample)
GB (1) GB1376553A (enExample)
IT (1) IT995340B (enExample)
NL (1) NL7314489A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3881085A (en) * 1972-12-06 1975-04-29 Xerox Corp Fuser control circuit for copying apparatus
JPS5339136A (en) * 1976-09-22 1978-04-10 Ricoh Co Ltd Fixing temperature controlling method
JPS5339756A (en) * 1976-09-24 1978-04-11 Ricoh Co Ltd Input control for heat-fixing system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3040158A (en) * 1960-12-01 1962-06-19 Hewlett Packard Co Proportional temperature controller
FR1329941A (fr) * 1962-07-27 1963-06-14 Générateur régulé pour basse tension
FR1439059A (fr) * 1965-02-04 1966-05-20 Centre Nat Rech Scient Perfectionnements aux dispositifs pour contrôler les circuits électriques à haute tension
US3419708A (en) * 1966-04-06 1968-12-31 Whirlpool Co Electronic heat control for dryer
GB1187569A (en) * 1966-04-28 1970-04-08 Arlside Ltd Reprographic Apparatus
US3532855A (en) * 1968-12-30 1970-10-06 Ibm Power regulating circuit for xerographic fusing apparatus

Also Published As

Publication number Publication date
NL7314489A (enExample) 1974-05-02
IT995340B (it) 1975-11-10
US3783235A (en) 1974-01-01
JPS4978561A (enExample) 1974-07-29
DE2335718C3 (de) 1979-08-23
DE2335718B2 (de) 1975-04-30
BR7305132D0 (pt) 1974-07-25
FR2204822B1 (enExample) 1977-02-11
DE2335718A1 (de) 1974-05-09
CA996991A (en) 1976-09-14
FR2204822A1 (enExample) 1974-05-24

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee