JPS4926590B1 - - Google Patents

Info

Publication number
JPS4926590B1
JPS4926590B1 JP45077456A JP7745670A JPS4926590B1 JP S4926590 B1 JPS4926590 B1 JP S4926590B1 JP 45077456 A JP45077456 A JP 45077456A JP 7745670 A JP7745670 A JP 7745670A JP S4926590 B1 JPS4926590 B1 JP S4926590B1
Authority
JP
Japan
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.)
Pending
Application number
JP45077456A
Other languages
Japanese (ja)
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 filed Critical
Priority to JP45077456A priority Critical patent/JPS4926590B1/ja
Priority to US00216004A priority patent/US3784301A/en
Publication of JPS4926590B1 publication Critical patent/JPS4926590B1/ja
Pending 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
    • G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G03G15/045—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for charging or discharging distinct portions of the charge pattern on the recording material, e.g. for contrast enhancement or discharging non-image areas
    • G03G15/047—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for charging or discharging distinct portions of the charge pattern on the recording material, e.g. for contrast enhancement or discharging non-image areas for discharging non-image areas
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/04—Arrangements for exposing and producing an image
    • G03G2215/0429—Changing or enhancing the image
    • G03G2215/0468—Image area information changed (default is the charge image)
    • G03G2215/048—Technical-purpose-oriented image area changes
    • G03G2215/0482—Toner-free areas produced

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Electrophotography Using Other Than Carlson'S Method (AREA)
JP45077456A 1970-09-03 1970-09-03 Pending JPS4926590B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP45077456A JPS4926590B1 (de) 1970-09-03 1970-09-03
US00216004A US3784301A (en) 1970-09-03 1972-01-07 Electrophotographic border apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45077456A JPS4926590B1 (de) 1970-09-03 1970-09-03

Publications (1)

Publication Number Publication Date
JPS4926590B1 true JPS4926590B1 (de) 1974-07-10

Family

ID=13634498

Family Applications (1)

Application Number Title Priority Date Filing Date
JP45077456A Pending JPS4926590B1 (de) 1970-09-03 1970-09-03

Country Status (2)

Country Link
US (1) US3784301A (de)
JP (1) JPS4926590B1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3901593A (en) * 1973-03-27 1975-08-26 Iwatsu Electric Co Ltd Copying machines of the variable magnifying power type
US3972613A (en) * 1975-04-23 1976-08-03 Scott Paper Company Copyboard
US4023896A (en) * 1975-08-07 1977-05-17 Addressograph Multigraph Corporation Clean margin mechanism for electrostatic copiers
NL7510270A (nl) * 1975-09-01 1977-03-03 Oce Van Der Grinten Nv Methode en middelen voor het vermijden van rand- schaduweffekten bij episkopische belichting van een origineel.
JPS5484738A (en) * 1977-12-19 1979-07-05 Ricoh Co Ltd Developing device for variable magnification copier
JPS55110269A (en) * 1979-02-19 1980-08-25 Canon Inc Auxiliary exposure device
JPS5989371U (ja) * 1982-12-03 1984-06-16 シャープ株式会社 複写機用光照射装置
JP2862385B2 (ja) * 1991-03-13 1999-03-03 キヤノン株式会社 露光装置
JP3384068B2 (ja) * 1993-12-22 2003-03-10 株式会社ニコン 走査型露光装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1183977A (en) * 1911-11-14 1916-05-23 Eastman Kodak Co Photographic-print square.
US3503677A (en) * 1966-05-30 1970-03-31 Ricoh Kk Electrophotographic copying machine
US3556655A (en) * 1968-01-22 1971-01-19 Addressograph Multigraph Photoelectrostatic copying machine
US3609033A (en) * 1969-08-15 1971-09-28 Buckbee Mears Co Mask for etching enlargement
US3671121A (en) * 1970-08-05 1972-06-20 Eastman Kodak Co Exposure device for controlling charge on a portion of a charged surface bordering an image frame projected on the charged surface
JPS4943337B1 (de) * 1970-09-03 1974-11-20

Also Published As

Publication number Publication date
US3784301A (en) 1974-01-08

Similar Documents

Publication Publication Date Title
AR204384A1 (de)
FR2101236B1 (de)
JPS4926590B1 (de)
ATA96471A (de)
AU2044470A (de)
AU1146470A (de)
AU1473870A (de)
AU1326870A (de)
AU1833270A (de)
AU1716970A (de)
AU1517670A (de)
AU2017870A (de)
AU1336970A (de)
AU2085370A (de)
AU1247570A (de)
AU1943370A (de)
AU1969370A (de)
AU1343870A (de)
AU2115870A (de)
AU2112570A (de)
AU2061170A (de)
AU1277070A (de)
AU1918570A (de)
AU1235770A (de)
AU1004470A (de)