IT973319B - Macchina di riproduzione elettro statica particolarmente utile nell industria xerografica - Google Patents
Macchina di riproduzione elettro statica particolarmente utile nell industria xerograficaInfo
- Publication number
- IT973319B IT973319B IT34017/72A IT3401772A IT973319B IT 973319 B IT973319 B IT 973319B IT 34017/72 A IT34017/72 A IT 34017/72A IT 3401772 A IT3401772 A IT 3401772A IT 973319 B IT973319 B IT 973319B
- Authority
- IT
- Italy
- Prior art keywords
- electro
- particularly useful
- reproduction machine
- machine particularly
- static reproduction
- Prior art date
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
- G03G2215/0431—Producing a clean non-image area, i.e. avoiding show-around effects
- G03G2215/0434—Parameters defining the non-image area to be cleaned
- G03G2215/0443—Copy medium outline relative to the charge image
-
- 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
- G03G2215/0431—Producing a clean non-image area, i.e. avoiding show-around effects
- G03G2215/0434—Parameters defining the non-image area to be cleaned
- G03G2215/0446—Magnification degree
-
- 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
- G03G2215/0431—Producing a clean non-image area, i.e. avoiding show-around effects
- G03G2215/0448—Charge-erasing means for the non-image area
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Combination Of More Than One Step In Electrophotography (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Control Or Security For Electrophotography (AREA)
- Discharging, Photosensitive Material Shape In Electrophotography (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00214244A US3809472A (en) | 1971-12-30 | 1971-12-30 | Pre-development exposure assembly |
Publications (1)
Publication Number | Publication Date |
---|---|
IT973319B true IT973319B (it) | 1974-06-10 |
Family
ID=22798337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT34017/72A IT973319B (it) | 1971-12-30 | 1972-12-29 | Macchina di riproduzione elettro statica particolarmente utile nell industria xerografica |
Country Status (21)
Country | Link |
---|---|
US (1) | US3809472A (fr) |
JP (1) | JPS5756072B2 (fr) |
AR (1) | AR196103A1 (fr) |
AU (1) | AU466757B2 (fr) |
BE (1) | BE793559A (fr) |
BR (1) | BR7208623D0 (fr) |
CA (1) | CA1025513A (fr) |
CH (1) | CH552841A (fr) |
CS (1) | CS175444B2 (fr) |
DD (1) | DD102825A5 (fr) |
DE (1) | DE2260555B2 (fr) |
DK (1) | DK134831B (fr) |
ES (1) | ES410172A1 (fr) |
FR (1) | FR2167109A5 (fr) |
GB (1) | GB1415170A (fr) |
IL (1) | IL41129A (fr) |
IT (1) | IT973319B (fr) |
NL (1) | NL7217766A (fr) |
SE (1) | SE375388B (fr) |
SU (1) | SU902680A3 (fr) |
ZA (1) | ZA729132B (fr) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3997259A (en) * | 1973-11-08 | 1976-12-14 | Xerox Corporation | Apparatus for reducing image background in electrostatic reproduction machines |
US3834807A (en) * | 1974-02-14 | 1974-09-10 | Ibm | Copier with leading edge image control |
JPS5444595Y2 (fr) * | 1974-04-29 | 1979-12-21 | ||
JPS51147443U (fr) * | 1975-05-21 | 1976-11-26 | ||
US4046471A (en) * | 1975-11-03 | 1977-09-06 | International Business Machines Corporation | Dual mode electrophotographic apparatus having dual function printing beam |
IT1055822B (it) * | 1976-01-20 | 1982-01-11 | Olivetti E C Spa | Macchina copiatrice elettrofotografica |
JPS52155553U (fr) * | 1976-05-20 | 1977-11-25 | ||
JPS52155552U (fr) * | 1976-05-20 | 1977-11-25 | ||
JPS563715Y2 (fr) * | 1976-07-13 | 1981-01-27 | ||
JPS53119943U (fr) * | 1977-03-01 | 1978-09-25 | ||
JPS53129639A (en) | 1977-04-19 | 1978-11-11 | Mita Industrial Co Ltd | Method of and device for electrostatic copying |
JPS5494038A (en) * | 1978-01-07 | 1979-07-25 | Ricoh Co Ltd | Copier for zerography |
US4265556A (en) * | 1978-12-21 | 1981-05-05 | International Business Machines Corporation | Apparatus for setting proportional margins based upon the width of a scanned sheet of paper |
US4272204A (en) * | 1978-12-21 | 1981-06-09 | International Business Machines Corporation | Automatic margin determining apparatus for a scanned sheet of paper |
US4255042A (en) * | 1979-03-26 | 1981-03-10 | International Business Machines Corporation | Light pipe for accurate erasure of photoconductor charge |
JPS5674259A (en) * | 1979-11-22 | 1981-06-19 | Olympus Optical Co Ltd | Electrophotographic apparatus |
US4279504A (en) * | 1979-12-26 | 1981-07-21 | International Business Machines Corporation | Copier and multifunction paper cassette |
US4431301A (en) * | 1980-03-12 | 1984-02-14 | Tokyo Shibaura Denki Kabushiki Kaisha | Electrostatic copying apparatus with means for preventing contamination of reverse side of copying medium |
JPS60140287A (ja) * | 1983-12-28 | 1985-07-25 | Mita Ind Co Ltd | 除電ランプ装置 |
US4611906A (en) * | 1985-01-22 | 1986-09-16 | Sanyo Electric Co., Ltd. | Electrophotographic copying apparatus |
NL8502186A (nl) * | 1985-08-05 | 1987-03-02 | Oce Nederland Bv | Kopieerapparaat voorzien van instelbare kadreermiddelen. |
US4745438A (en) * | 1986-09-16 | 1988-05-17 | Xerox Corporation | Automatic copier show-around erase system |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2927516A (en) * | 1955-12-21 | 1960-03-08 | Ibm | Record card controlled electro-graphic printer |
US3122455A (en) * | 1960-12-30 | 1964-02-25 | Xerox Corp | Xerographic toner dispenser |
GB1181214A (en) * | 1966-04-07 | 1970-02-11 | Charles William Clark | Photographic Machines |
GB1248945A (en) * | 1967-12-26 | 1971-10-06 | Rank Xerox Ltd | Electrophotography |
US3708161A (en) * | 1968-01-22 | 1973-01-02 | Addressograph Multigraph | Photoelectrostatic copying machine |
US3556655A (en) * | 1968-01-22 | 1971-01-19 | Addressograph Multigraph | Photoelectrostatic copying machine |
US3578970A (en) * | 1968-05-03 | 1971-05-18 | Plastic Coating Corp | Variable width corona discharge apparatus with means to shield or vary a predetermined length of a corona discharge wire |
US3612682A (en) * | 1968-06-07 | 1971-10-12 | Addressograph Multigraph | Copier-duplicator machine providing for photoelectrostatic master from which copies are made |
BE748854A (fr) * | 1969-04-16 | 1970-09-16 | Fuji Photo Film Co Ltd | Appareil electrophotographique |
JPS5018394B1 (fr) * | 1970-01-10 | 1975-06-28 | ||
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 (fr) * | 1970-09-03 | 1974-11-20 | ||
US3724940A (en) * | 1970-12-07 | 1973-04-03 | Ricoh Kk | Electrophotographic copying apparatus with means for erasing marginal images |
US3888644A (en) * | 1973-12-03 | 1975-06-10 | Black Sivalls & Bryson Inc | Filter-separator apparatus |
-
0
- BE BE793559D patent/BE793559A/fr unknown
-
1971
- 1971-12-30 US US00214244A patent/US3809472A/en not_active Expired - Lifetime
-
1972
- 1972-10-30 CA CA155,145A patent/CA1025513A/fr not_active Expired
- 1972-12-04 AR AR245461A patent/AR196103A1/es active
- 1972-12-07 BR BR8623/72A patent/BR7208623D0/pt unknown
- 1972-12-11 DE DE2260555A patent/DE2260555B2/de not_active Ceased
- 1972-12-19 CH CH1850672A patent/CH552841A/xx not_active IP Right Cessation
- 1972-12-19 GB GB5857172A patent/GB1415170A/en not_active Expired
- 1972-12-20 IL IL41129A patent/IL41129A/en unknown
- 1972-12-20 DK DK637272AA patent/DK134831B/da unknown
- 1972-12-26 FR FR7246234A patent/FR2167109A5/fr not_active Expired
- 1972-12-26 JP JP734333A patent/JPS5756072B2/ja not_active Expired
- 1972-12-27 SE SE7216970A patent/SE375388B/xx unknown
- 1972-12-28 NL NL7217766A patent/NL7217766A/xx unknown
- 1972-12-28 AU AU50585/72A patent/AU466757B2/en not_active Expired
- 1972-12-28 ZA ZA729132A patent/ZA729132B/xx unknown
- 1972-12-29 IT IT34017/72A patent/IT973319B/it active
- 1972-12-29 DD DD168005A patent/DD102825A5/xx unknown
- 1972-12-29 CS CS9074A patent/CS175444B2/cs unknown
- 1972-12-29 ES ES410172A patent/ES410172A1/es not_active Expired
- 1972-12-29 SU SU721870826A patent/SU902680A3/ru active
Also Published As
Publication number | Publication date |
---|---|
AU466757B2 (en) | 1974-07-04 |
JPS5756072B2 (fr) | 1982-11-27 |
BR7208623D0 (pt) | 1973-09-13 |
DK134831B (da) | 1977-01-24 |
CS175444B2 (fr) | 1977-05-31 |
ES410172A1 (es) | 1976-01-01 |
DD102825A5 (fr) | 1973-12-20 |
DE2260555A1 (de) | 1973-07-05 |
DE2260555B2 (de) | 1978-12-14 |
US3809472A (en) | 1974-05-07 |
AR196103A1 (es) | 1973-11-30 |
IL41129A0 (en) | 1973-02-28 |
FR2167109A5 (fr) | 1973-08-17 |
JPS4878940A (fr) | 1973-10-23 |
CA1025513A (fr) | 1978-01-31 |
CH552841A (de) | 1974-08-15 |
NL7217766A (fr) | 1973-07-03 |
ZA729132B (en) | 1973-10-31 |
AU5058572A (en) | 1974-07-04 |
GB1415170A (en) | 1975-11-26 |
BE793559A (fr) | 1973-06-29 |
IL41129A (en) | 1977-01-31 |
SE375388B (fr) | 1975-04-14 |
SU902680A3 (ru) | 1982-01-30 |
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