GB1419520A - Method and apparatus for forming a positive electrostatic image - Google Patents
Method and apparatus for forming a positive electrostatic imageInfo
- Publication number
- GB1419520A GB1419520A GB4542772A GB4542772A GB1419520A GB 1419520 A GB1419520 A GB 1419520A GB 4542772 A GB4542772 A GB 4542772A GB 4542772 A GB4542772 A GB 4542772A GB 1419520 A GB1419520 A GB 1419520A
- Authority
- GB
- United Kingdom
- Prior art keywords
- screen
- field
- forming
- conductive
- nov
- 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
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
- G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
- G03G15/34—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the powder image is formed directly on the recording material, e.g. by using a liquid toner
- G03G15/344—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the powder image is formed directly on the recording material, e.g. by using a liquid toner by selectively transferring the powder to the recording medium, e.g. by using a LED array
- G03G15/346—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the powder image is formed directly on the recording material, e.g. by using a liquid toner by selectively transferring the powder to the recording medium, e.g. by using a LED array by modulating the powder through holes or a slit
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Photoreceptors In Electrophotography (AREA)
- Electrophotography Using Other Than Carlson'S Method (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US19787771A | 1971-11-11 | 1971-11-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1419520A true GB1419520A (en) | 1975-12-31 |
Family
ID=22731103
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4542772A Expired GB1419520A (en) | 1971-11-11 | 1972-11-11 | Method and apparatus for forming a positive electrostatic image |
Country Status (9)
Country | Link |
---|---|
US (1) | US3713734A (xx) |
JP (1) | JPS5642868B2 (xx) |
CA (1) | CA1021006A (xx) |
CH (1) | CH579293A5 (xx) |
DE (1) | DE2255132A1 (xx) |
FR (1) | FR2159885A5 (xx) |
GB (1) | GB1419520A (xx) |
IT (1) | IT966842B (xx) |
NL (1) | NL7214968A (xx) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4014694A (en) * | 1972-08-17 | 1977-03-29 | Electroprint, Inc. | Method and apparatus for forming a positive electrostatic image |
JPS5427145B2 (xx) * | 1973-08-01 | 1979-09-07 | ||
GB1480844A (en) * | 1973-06-19 | 1977-07-27 | Canon Kk | Electrophotography |
US4006983A (en) * | 1973-10-29 | 1977-02-08 | Electroprint, Inc. | Electrostatic color printing systems using modulated ion streams |
US3942980A (en) * | 1974-07-16 | 1976-03-09 | Addressograph-Multigraph Corporation | Ion modulator device and method of using in positive and negative modes |
US4086088A (en) * | 1976-03-25 | 1978-04-25 | Addressograph Multigraph Corporation | Imaging methods for use with charged particle modulator device |
JPS53131A (en) * | 1976-06-24 | 1978-01-05 | Olympus Optical Co Ltd | Electrophotographic device |
US4168164A (en) * | 1976-07-08 | 1979-09-18 | Konishiroku Photo Industry Co., Ltd. | Screen process for forming electrostatic latent images |
JPS53108441A (en) | 1977-03-04 | 1978-09-21 | Olympus Optical Co Ltd | Zerographic apparatus |
JPS53109636A (en) * | 1977-03-07 | 1978-09-25 | Olympus Optical Co Ltd | Electrophotographic method and apparatus |
US4158564A (en) * | 1977-04-04 | 1979-06-19 | Electroprint, Inc. | Method and apparatus for controlling the gray scale response of a multilayer image forming screen |
DE2827642C2 (de) * | 1977-06-24 | 1982-06-24 | Olympus Optical Co., Ltd., Tokyo | Steuergitter zur bildmässigen Modulation eines Ionenstromes in einem elektrostatischen Kopiergerät |
US4218124A (en) * | 1977-11-22 | 1980-08-19 | Konishiroku Photo Industry Co., Ltd. | Photo-sensitive screen for producing electrostatic latent image |
JPS5412752A (en) * | 1978-05-16 | 1979-01-30 | Canon Inc | Photosensitvie screen |
US4600292A (en) * | 1983-04-07 | 1986-07-15 | Konishiroku Photo Industry Co., Ltd. | Photoconductive screen |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA553355A (en) * | 1958-02-18 | International Business Machines Corporation | Apparatus and method for xerographic printing | |
DE1156308B (de) * | 1956-01-10 | 1963-10-24 | Albert Lieb | Verfahren und Vorrichtung zur Herstellung von Bildern auf elektrophotographischem Wege |
US3339469A (en) * | 1962-08-06 | 1967-09-05 | Sun Chemical Corp | Electrostatic printing apparatus |
JPS41832Y1 (xx) * | 1964-06-16 | 1966-01-27 | ||
US3680954A (en) * | 1965-04-30 | 1972-08-01 | Eastman Kodak Co | Electrography |
US3532422A (en) * | 1966-07-14 | 1970-10-06 | Electroprint Inc | Method and apparatus for electrostatic color reproduction |
US3645614A (en) * | 1968-03-01 | 1972-02-29 | Electroprint Inc | Aperture-controlled electrostatic printing system employing ion projection |
US3603790A (en) * | 1968-04-30 | 1971-09-07 | Kodak Ltd | Electroradiographic process |
-
1971
- 1971-11-11 US US00197877A patent/US3713734A/en not_active Expired - Lifetime
-
1972
- 1972-09-22 CA CA152,365A patent/CA1021006A/en not_active Expired
- 1972-09-25 JP JP9525972A patent/JPS5642868B2/ja not_active Expired
- 1972-10-17 FR FR7236762A patent/FR2159885A5/fr not_active Expired
- 1972-10-30 IT IT53701/72A patent/IT966842B/it active
- 1972-11-02 CH CH1615772A patent/CH579293A5/xx not_active IP Right Cessation
- 1972-11-06 NL NL7214968A patent/NL7214968A/xx not_active Application Discontinuation
- 1972-11-10 DE DE2255132A patent/DE2255132A1/de not_active Ceased
- 1972-11-11 GB GB4542772A patent/GB1419520A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU4695272A (en) | 1974-03-28 |
NL7214968A (xx) | 1973-05-15 |
CA1021006A (en) | 1977-11-15 |
DE2255132A1 (de) | 1973-05-17 |
JPS4859840A (xx) | 1973-08-22 |
US3713734A (en) | 1973-01-30 |
FR2159885A5 (xx) | 1973-06-22 |
CH579293A5 (xx) | 1976-08-31 |
JPS5642868B2 (xx) | 1981-10-07 |
IT966842B (it) | 1974-02-20 |
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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 |