GB1376278A - Electro photographic copying methods - Google Patents

Electro photographic copying methods

Info

Publication number
GB1376278A
GB1376278A GB2404373A GB2404373A GB1376278A GB 1376278 A GB1376278 A GB 1376278A GB 2404373 A GB2404373 A GB 2404373A GB 2404373 A GB2404373 A GB 2404373A GB 1376278 A GB1376278 A GB 1376278A
Authority
GB
United Kingdom
Prior art keywords
toner particles
developer
copies
same polarity
electro
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
GB2404373A
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of GB1376278A publication Critical patent/GB1376278A/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
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/10—Apparatus for electrographic processes using a charge pattern for developing using a liquid developer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Wet Developing In Electrophotography (AREA)
GB2404373A 1972-05-25 1973-05-21 Electro photographic copying methods Expired GB1376278A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47052329A JPS4910740A (ja) 1972-05-25 1972-05-25

Publications (1)

Publication Number Publication Date
GB1376278A true GB1376278A (en) 1974-12-04

Family

ID=12911740

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2404373A Expired GB1376278A (en) 1972-05-25 1973-05-21 Electro photographic copying methods

Country Status (4)

Country Link
US (1) US3820891A (ja)
JP (1) JPS4910740A (ja)
DE (1) DE2325962C3 (ja)
GB (1) GB1376278A (ja)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4139653A (en) * 1973-01-10 1979-02-13 Agfa-Gevaert N.V. Method for the development of electrostatic charge patterns
JPS5515701B2 (ja) * 1973-08-27 1980-04-25
US4095885A (en) * 1974-06-17 1978-06-20 Freeman Lawrence M Polarity switch circuit for copying apparatus
JPS5543389Y2 (ja) * 1974-11-06 1980-10-13
JPS5543390Y2 (ja) * 1974-11-26 1980-10-13
US4111156A (en) * 1974-12-09 1978-09-05 Olympus Optical Co., Ltd. Devices for developing an electrostatic charge image on a record sheet by a developer solution
US4127082A (en) * 1975-09-26 1978-11-28 Sharp Kabushiki Kaisha Wiper roller for drying a wet sheet in a copying machine
US4126101A (en) * 1976-07-09 1978-11-21 Minolta Camera Kabushiki Kaisha Excess developing solution removing apparatus
US4161141A (en) * 1977-10-05 1979-07-17 Lakhani Kishor M Two side multi roller toner station for electrographic non-impact printer
US4270856A (en) * 1978-05-23 1981-06-02 Applied Copy Technology, Inc. Conversion kit for photocopying machine
GB2041790B (en) * 1979-02-23 1983-07-27 Savin Corp Liquid development of electrostatic images
US4286039A (en) * 1979-05-15 1981-08-25 Savin Corporation Method and apparatus for removing excess developing liquid from photoconductive surfaces
JPS59158158U (ja) * 1983-04-08 1984-10-23 キヤノン株式会社 画像形成装置
US5060024A (en) * 1988-06-17 1991-10-22 Mitsubishi Paper Mills Limited Method and apparatus for cleaning squeeze rollers in liquid electrophotographic developing apparatus
JP2656354B2 (ja) * 1989-09-05 1997-09-24 富士写真フイルム株式会社 湿式電子写真現像装置
US5319422A (en) * 1989-09-05 1994-06-07 Fuji Photo Film Co., Ltd. Liquid electrophotographic developing device and method thereof

Also Published As

Publication number Publication date
DE2325962C3 (de) 1979-10-04
US3820891A (en) 1974-06-28
JPS4910740A (ja) 1974-01-30
DE2325962A1 (de) 1973-11-29
DE2325962B2 (de) 1979-02-08

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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