GB1433663A - Corona 'ischarge apparatus - Google Patents

Corona 'ischarge apparatus

Info

Publication number
GB1433663A
GB1433663A GB776474A GB776474A GB1433663A GB 1433663 A GB1433663 A GB 1433663A GB 776474 A GB776474 A GB 776474A GB 776474 A GB776474 A GB 776474A GB 1433663 A GB1433663 A GB 1433663A
Authority
GB
United Kingdom
Prior art keywords
corona
source
wire
shield
discharge
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
GB776474A
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 GB1433663A publication Critical patent/GB1433663A/en
Expired 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
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/06—Eliminating residual charges from a reusable imaging member
    • 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
    • G03G15/0291—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices corona discharge devices, e.g. wires, pointed electrodes, means for cleaning the corona discharge 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
    • G03G15/169—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 with means for preconditioning the toner image before the transfer

Abstract

1433663 Corona discharging apparatus XEROX CORP 20 Feb 1974 [22 Feb 1973] 7764/74 Heading G2H [Also in Division H1] A wire 12 connected to a high voltage source 18 to provide corona emission is also connected across a low voltage high current source 30 which heats the wire to incandescence to provide simultaneous electrical corona and luminous discharge of an electostatically charged body, e.g. a xerographic photoreceptor drum 13. The source 30 is protected from the high voltage of source 18 by capacitors 32 and 33. Connections are effected in the interiors of insulating e.g. plastics blocks 14 and 16 provided with insulating set screws 22 and 24. In an alternative embodiment Fig. 2 (not shown) the corona wire is partially surrounded by a shield which in addition to acting as a conventional corotron shield acts also as an optical reflector. An opening in the shield may be so orientated that the area undergoing electrical discharge and the area undergoing discharge by exposure to light do not coincide. The heating current in this embodiment is supplied by a transformer.
GB776474A 1973-02-22 1974-02-20 Corona 'ischarge apparatus Expired GB1433663A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00334829A US3845307A (en) 1973-02-22 1973-02-22 Combined corona and luminescent discharge

Publications (1)

Publication Number Publication Date
GB1433663A true GB1433663A (en) 1976-04-28

Family

ID=23309027

Family Applications (1)

Application Number Title Priority Date Filing Date
GB776474A Expired GB1433663A (en) 1973-02-22 1974-02-20 Corona 'ischarge apparatus

Country Status (12)

Country Link
US (1) US3845307A (en)
JP (1) JPS49115550A (en)
AU (1) AU6591474A (en)
BE (1) BE811310A (en)
BR (1) BR7401345D0 (en)
CA (1) CA1014600A (en)
DE (1) DE2406854A1 (en)
ES (1) ES423404A1 (en)
FR (1) FR2219451A1 (en)
GB (1) GB1433663A (en)
IT (1) IT1005766B (en)
NL (1) NL7401230A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2810448A1 (en) * 1977-03-11 1979-01-25 James Ephraim Lovelock CORONA DISCHARGE DEVICE

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55164649U (en) * 1979-05-11 1980-11-26
JPS58135752U (en) * 1982-03-05 1983-09-12 ティーディーケイ株式会社 Charging device for electrostatic copying machines
GB8922602D0 (en) * 1989-10-06 1989-11-22 British Aerospace A surface discharge plasma cathode electron beam generating assembly
JPH06118774A (en) * 1992-09-28 1994-04-28 Xerox Corp Corona generating device having heating shield
WO1994022059A1 (en) * 1993-03-23 1994-09-29 Indigo N.V. Heated wire charging device
JP2774774B2 (en) * 1994-06-14 1998-07-09 東京都 Quantitative analyzer combining high-performance liquid chromatography and mass spectrometer, and corona discharge electrode needle for sample ionization
US20160040872A1 (en) * 2013-03-20 2016-02-11 Clearsign Combustion Corporation Electrically stabilized swirl-stabilized burner

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2357809A (en) * 1940-11-16 1944-09-12 Chester F Carlson Electrophotographic apparatus
US2588699A (en) * 1943-08-27 1952-03-11 Chester F Carlson Electrophotographic apparatus
US2881470A (en) * 1954-12-13 1959-04-14 Olin Mathieson Apparatus for treating plastic material with electric glow discharge
US2859480A (en) * 1954-12-13 1958-11-11 Olin Mathieson Method of treating polyethylene sheet material
US2955938A (en) * 1955-08-01 1960-10-11 Haloid Xerox Inc Xerography
US3147679A (en) * 1961-12-18 1964-09-08 Ibm Electrostatic image transfer processes and apparatus therefor
US3433948A (en) * 1967-04-06 1969-03-18 Xerox Corp Negative corona discharge system using alternating electric fields across the air gap
US3621244A (en) * 1969-06-24 1971-11-16 Katsuragawa Denki Kk Corona discharge device with means to heat the discharge electrodes to increase the discharge current

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2810448A1 (en) * 1977-03-11 1979-01-25 James Ephraim Lovelock CORONA DISCHARGE DEVICE

Also Published As

Publication number Publication date
NL7401230A (en) 1974-08-26
JPS49115550A (en) 1974-11-05
US3845307A (en) 1974-10-29
CA1014600A (en) 1977-07-26
DE2406854A1 (en) 1974-08-29
AU6591474A (en) 1975-08-28
IT1005766B (en) 1976-09-30
BE811310A (en) 1974-06-17
BR7401345D0 (en) 1974-11-05
FR2219451A1 (en) 1974-09-20
ES423404A1 (en) 1976-10-16

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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