FR1463050A - Electrostatic device for removing background from an image - Google Patents

Electrostatic device for removing background from an image

Info

Publication number: FR1463050A
Authority: FR; France
Prior art keywords: image; electrostatic device; removing background; background; electrostatic
Prior art date: 1964-09-30
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

FR33346A

Other languages

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 Ltd

Original Assignee

Rank Xerox 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.)

1964-09-30

Filing date

1965-09-30

Publication date

1966-06-03

1965-09-30 Application filed by Rank Xerox Ltd filed Critical Rank Xerox Ltd

1966-06-03 Application granted granted Critical

1966-06-03 Publication of FR1463050A publication Critical patent/FR1463050A/en

Status Expired legal-status Critical Current

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
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0801—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer for cascading

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Cleaning In Electrography (AREA)
Dry Development In Electrophotography (AREA)

FR33346A 1964-09-30 1965-09-30 Electrostatic device for removing background from an image Expired FR1463050A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US40048964A	1964-09-30	1964-09-30

Publications (1)

Publication Number	Publication Date
FR1463050A true FR1463050A (en)	1966-06-03

Family

ID=23583826

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR33346A Expired FR1463050A (en)	1964-09-30	1965-09-30	Electrostatic device for removing background from an image

Country Status (4)

Country	Link
US (1)	US3424131A (en)
DE (1)	DE1497217B2 (en)
FR (1)	FR1463050A (en)
GB (1)	GB1123618A (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3649262A (en) *	1968-12-31	1972-03-14	Xerox Corp	Simultaneous development-cleaning of the same area of an electrostatographic image support surface
US3611992A (en) *	1969-07-03	1971-10-12	Xerox Corp	Cleanup electrode
US3816157A (en) *	1969-08-06	1974-06-11	Xerox Corp	Toner reclaiming method
BE755383A (en) *	1969-08-29	1971-03-01	Xerox Corp	APPARATUS FOR THE CONTROL OF DEVELOPMENT ELECTRODES
US3635196A (en) *	1969-12-30	1972-01-18	Xerox Corp	Pneumatically controlled seal
US3682538A (en) *	1970-03-19	1972-08-08	Xerox Corp	Xerographic pick-off plate
JPS5425420B2 (en) *	1971-08-27	1979-08-28
BE792331A (en) *	1971-12-17	1973-06-06	Agfa Gevaert Nv	CASCADEONTWIKKELINRICHTING VOOR EEN ELEKTROSTATISCH KOPIEERAPPARAAT
US3799113A (en) *	1972-06-28	1974-03-26	Xerox Corp	Hybrid development of electrostatic latent image
JPS5211595B2 (en) *	1972-09-29	1977-03-31
US3809012A (en) *	1972-11-24	1974-05-07	Xerox Corp	Developer seal
US3814516A (en) *	1973-05-07	1974-06-04	Xerox Corp	Humidity compensated control device
US3837741A (en) *	1973-12-28	1974-09-24	Xerox Corp	Control arrangement for transfer roll power supply
US4027621A (en) *	1975-03-14	1977-06-07	Xerox Corporation	Developing system for electrostatic reproduction machines
US4040386A (en) *	1975-05-01	1977-08-09	Xerox Corporation	Retractable edge seals for electrostatographic development systems
US4076857A (en) *	1976-06-28	1978-02-28	Eastman Kodak Company	Process for developing electrographic images by causing electrical breakdown in the developer

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2573881A (en) *	1948-11-02	1951-11-06	Battelle Development Corp	Method and apparatus for developing electrostatic images with electroscopic powder
US2952241A (en) *	1955-02-03	1960-09-13	Haloid Xerox Inc	Developer electrode for electrophotographic apparatus
US3117884A (en) *	1955-03-23	1964-01-14	Rca Corp	Electrostatic printing process and apparatus
US2892446A (en) *	1956-10-30	1959-06-30	Rca Corp	Apparatus for developing electrostatic image
US3011474A (en) *	1959-02-06	1961-12-05	Harold O Ulrich	Xerographic development electrode apparatus
US3190198A (en) *	1960-12-23	1965-06-22	Xerox Corp	Xerographic cleaning apparatus

1964
- 1964-09-30 US US400489A patent/US3424131A/en not_active Expired - Lifetime
1965
- 1965-09-02 GB GB37594/65A patent/GB1123618A/en not_active Expired
- 1965-09-28 DE DE1965R0041632 patent/DE1497217B2/en active Granted
- 1965-09-30 FR FR33346A patent/FR1463050A/en not_active Expired

Also Published As

Publication number	Publication date
US3424131A (en)	1969-01-28
GB1123618A (en)	1968-08-14
DE1497217A1 (en)	1969-05-29
DE1497217B2 (en)	1976-08-05

Similar Documents

Publication	Publication Date	Title
CH388657A (en)	1965-02-28	Device for detecting the maximum sharpness of an image
FR95234E (en)	1970-08-07	Device and method for forming images.
FR1463050A (en)	1966-06-03	Electrostatic device for removing background from an image
FR1495971A (en)	1967-09-22	Device for developing electrostatic latent images
BE785192A (en)	1972-10-16	DEVICE FOR DEVELOPING LATENT ELECTROSTATIC IMAGES
FR1391985A (en)	1965-03-12	Assembly device for tubes
FR1422497A (en)	1965-12-24	Device for observing a luminescent image
FR1447710A (en)	1966-07-29	Device for distributing documents one by one
FR1419228A (en)	1965-11-26	Car for image projection
FR1429157A (en)	1966-02-18	Apparatus for developing photographic images formed by electrostatic charges
FR1382750A (en)	1964-12-18	Device for developing electrostatic images
BE761227A (en)	1971-06-16	DEVICE FOR DEVELOPING THE LATENT ELECTROSTATIC IMAGE
FR1424229A (en)	1966-01-07	Time base for an image reproduction system
FR1356169A (en)	1964-03-20	Machine for developing electrostatic images
FR1457873A (en)	1966-11-04	Device for developing an electrophotographic image
FR1399965A (en)	1965-05-21	Device for the marking of cinematographic films
FR1396287A (en)	1965-04-16	Device for converting an image into an electrical image signal
FR1351993A (en)	1964-02-07	Device receiving an image signal
FR1454899A (en)	1966-10-07	Device for removing ligaments from the liver
FR1435382A (en)	1966-04-15	Device for adjusting propellers
FR1458936A (en)	1966-04-29	Image presentation device
FR1406756A (en)	1965-07-23	Device for obtaining electrophotographic reproductions
FR1530547A (en)	1968-06-28	Device for connecting an ignition coil
FR1421738A (en)	1965-12-17	Test device for soundings
FR1370214A (en)	1964-08-21	Device for connecting an ignition coil