BE864553A - Circuit de reglage de densite d'impression - Google Patents

Circuit de reglage de densite d'impression

Info

Publication number: BE864553A
Authority: BE; Belgium
Prior art keywords: adjustment circuit; print density; density adjustment; print; circuit
Prior art date: 1977-03-03

Application number

BE185664A

Other languages

English (en)

Original Assignee

Mead Corp

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.)

1977-03-03

Filing date

1978-03-03

Publication date

1978-09-04

1978-03-03 Application filed by Mead Corp filed Critical Mead Corp

1978-09-04 Publication of BE864553A publication Critical patent/BE864553A/fr

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/40—Picture signal circuits
- H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
- H04N1/4051—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a dispersed dots halftone pattern, the dots having substantially the same size

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Fax Reproducing Arrangements (AREA)
Ink Jet Recording Methods And Recording Media Thereof (AREA)
Particle Formation And Scattering Control In Inkjet Printers (AREA)
Accessory Devices And Overall Control Thereof (AREA)
Ink Jet (AREA)
Facsimile Scanning Arrangements (AREA)

BE185664A 1977-03-03 1978-03-03 Circuit de reglage de densite d'impression BE864553A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/774,154 US4106061A (en)	1977-03-03	1977-03-03	Density control for ink jet copier

Publications (1)

Publication Number	Publication Date
BE864553A true BE864553A (fr)	1978-09-04

Family

ID=25100405

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE185664A BE864553A (fr)	1977-03-03	1978-03-03	Circuit de reglage de densite d'impression

Country Status (13)

Country	Link
US (1)	US4106061A (fr)
JP (1)	JPS5855714B2 (fr)
BE (1)	BE864553A (fr)
BR (1)	BR7801283A (fr)
CA (1)	CA1090863A (fr)
CH (1)	CH630008A5 (fr)
DE (1)	DE2809338C3 (fr)
FR (1)	FR2382335A1 (fr)
GB (1)	GB1556642A (fr)
IL (1)	IL53864A (fr)
IT (1)	IT1107053B (fr)
NL (1)	NL7800930A (fr)
SE (1)	SE428166B (fr)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4112469A (en) *	1977-04-21	1978-09-05	The Mead Corporation	Jet drop copying apparatus
US4155103A (en) *	1977-11-28	1979-05-15	The Mead Corporation	Dot matrix copying apparatus
JPS6023541B2 (ja) *	1978-05-02	1985-06-07	株式会社リコー	デイジタル複写機
DE2936667A1 (de) *	1978-09-12	1980-03-20	Canon Kk	Kopiergeraet
US4207579A (en) *	1979-01-08	1980-06-10	The Mead Corporation	Reciprocating paper handling apparatus for use in an ink jet copier
FI790105A (fi) *	1979-01-12	1980-07-13	Valmet Oy	Foerfarande och anordning foer behandling av fiberbana
US4285507A (en) *	1979-01-31	1981-08-25	The Mead Corporation	Ink jet printer
US4225872A (en) *	1979-01-31	1980-09-30	The Mead Corporation	Ink jet printer
JPS55130781A (en) *	1979-03-30	1980-10-09	Canon Inc	Liquid injecting recorder
US4237466A (en) *	1979-05-07	1980-12-02	The Mead Corporation	Paper transport system for an ink jet printer
US4278999A (en) *	1979-09-12	1981-07-14	The Mead Corporation	Moving image scanner
US4469026A (en) *	1979-09-20	1984-09-04	Ibm Corporation	Method and apparatus for controlling drying and detaching of printed material
US4321627A (en) *	1979-09-20	1982-03-23	International Business Machines Corporation	Optical scanner for ink jet printer
JPS5691228A (en) *	1979-12-25	1981-07-24	Fuji Photo Film Co Ltd	Laser recorder
JPS5738065A (en) *	1980-08-20	1982-03-02	Canon Inc	Video forming device
US4394685A (en) *	1980-09-04	1983-07-19	Centronics Data Computer Corporation	Interface for operating a dot matrix printer for printing a video image
GB2089165B (en) *	1980-10-30	1985-10-09	Canon Kk	Character and image processing
US4554593A (en) *	1981-01-02	1985-11-19	International Business Machines Corporation	Universal thresholder/discriminator
US4395031A (en) *	1981-09-08	1983-07-26	The Webb Company	Apparatus for printing books of signatures and method for same
US4642681A (en) *	1982-10-08	1987-02-10	Canon Kabushiki Kaisha	Color image processing apparatus for generating color output signals and a black output signal in a mutually exclusive manner
JPS6062779A (ja) *	1983-08-31	1985-04-10	Nec Corp	インクジェット記録方法
DE3343907C2 (de) *	1983-12-05	1986-02-27	Lothar 5300 Bonn Becker	Optoelektronischer Handkopierer
JPS60208182A (ja) *	1984-03-30	1985-10-19	Canon Inc	ビデオ画像記録装置
US4872063A (en) *	1988-03-17	1989-10-03	Optum Corporation	Method to increase scanning resolution using a synthetic aperture
US5028192A (en) *	1988-07-15	1991-07-02	Foote & Davies, Inc.	Binding and collating techniques
US5070410A (en) *	1989-03-21	1991-12-03	Hewlett-Packard Company	Apparatus and method using a combined read/write head for processing and storing read signals and for providing firing signals to thermally actuated ink ejection elements
DE69417319T2 (de) *	1993-08-30	1999-07-15	Hewlett-Packard Co., Palo Alto, Calif.	Bildabtastkopf für einen thermischen Tintenstrahldrucker
US5532825A (en) *	1993-08-30	1996-07-02	Hewlett-Packard Company	Add-on scanner for existing ink jet printer

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1973725A (en) *		1934-09-18		Picture transmission amplifier
NL263106A (fr) *	1960-04-01
US3294896A (en) *	1963-07-24	1966-12-27	Bell Telephone Labor Inc	Digital encoder for facsimile transmission
FR1457309A (fr) *	1965-05-13	1966-01-24	Colos Soc	Procédé et dispositif électroniques de reproduction des demi-teintes sur électrostencil
US3580995A (en) *	1968-04-29	1971-05-25	Rca Corp	Constant sized halftone dot image generator
US3613103A (en) *	1969-07-25	1971-10-12	Alden Res Found	Analog signal modifying apparatus
JPS4883723A (fr) *	1972-02-08	1973-11-08
US3928718A (en) *	1973-05-09	1975-12-23	Hitachi Ltd	Image reproducing system
US3977007A (en) *	1975-06-02	1976-08-24	Teletype Corporation	Gray tone generation

1977
- 1977-03-03 US US05/774,154 patent/US4106061A/en not_active Expired - Lifetime
1978
- 1978-01-13 CA CA294,955A patent/CA1090863A/fr not_active Expired
- 1978-01-22 IL IL53864A patent/IL53864A/xx unknown
- 1978-01-26 NL NL7800930A patent/NL7800930A/xx not_active Application Discontinuation
- 1978-02-08 IT IT67250/78A patent/IT1107053B/it active
- 1978-02-24 JP JP53020810A patent/JPS5855714B2/ja not_active Expired
- 1978-03-02 GB GB8406/78A patent/GB1556642A/en not_active Expired
- 1978-03-02 BR BR7801283A patent/BR7801283A/pt unknown
- 1978-03-02 FR FR7805963A patent/FR2382335A1/fr active Granted
- 1978-03-02 SE SE7802365A patent/SE428166B/sv not_active IP Right Cessation
- 1978-03-03 CH CH235678A patent/CH630008A5/de not_active IP Right Cessation
- 1978-03-03 BE BE185664A patent/BE864553A/fr not_active IP Right Cessation
- 1978-03-03 DE DE2809338A patent/DE2809338C3/de not_active Expired

Also Published As

Publication number	Publication date
CA1090863A (fr)	1980-12-02
DE2809338B2 (de)	1981-05-07
NL7800930A (nl)	1978-09-05
DE2809338A1 (de)	1978-09-07
BR7801283A (pt)	1978-09-26
CH630008A5 (de)	1982-05-28
SE428166B (sv)	1983-06-06
GB1556642A (en)	1979-11-28
FR2382335A1 (fr)	1978-09-29
US4106061A (en)	1978-08-08
JPS5855714B2 (ja)	1983-12-10
IL53864A0 (en)	1978-04-30
IT7867250A0 (it)	1978-02-08
IL53864A (en)	1980-11-30
JPS53109430A (en)	1978-09-25
IT1107053B (it)	1985-11-18
FR2382335B1 (fr)	1984-01-27
DE2809338C3 (de)	1982-01-28
SE7802365L (sv)	1978-09-04

Publication	Publication Date	Title
BE864553A (fr)	1978-09-04	Circuit de reglage de densite d'impression
BE866558A (fr)	1978-08-14	Supports d'impression
JPS5480082A (en)	1979-06-26	Mask for projecting print
SE7809062L (sv)	1979-03-01	For bleckstraleskrivare avsedd drivkrets
DK150801C (da)	1988-01-11	Trykfarve
IT1098122B (it)	1985-09-07	Stampaggio
BE864417A (fr)	1978-08-28	Encres d'impression a base oleoresineuse
AU3887978A (en)	1980-02-21	Lithographic printing plate
GB2002531A (en)	1979-02-21	Photographically produced stencils
BE865994A (fr)	1978-07-31	Cliches d'impression ameliores
BE863727A (fr)	1978-05-29	Planches d'impression en relief
JPS53149403A (en)	1978-12-26	Print blanket
JPS5413798A (en)	1979-02-01	Printed matter
FR2327103A1 (fr)	1977-05-06	Plaque d'impression plurimetallique
JPS53149418A (en)	1978-12-26	Printing head
JPS53116906A (en)	1978-10-12	Odoring printed matter
BE866688R (fr)	1978-11-03	Plaques d'impression
FR2394401B1 (fr)	1985-06-28	Appareil d'impression
AU3606478A (en)	1979-11-15	Planographic printing plate
SE7812856L (sv)	1979-06-17	Tryckfergskomposition
FR2408461B1 (fr)	1985-06-28	Dispositif d'impression
JPS5478204A (en)	1979-06-22	Printing ink
JPS5413799A (en)	1979-02-01	Printed matter
BE853541A (fr)	1977-10-13	Dispositif d'impression de formulaires
FR2394837B1 (fr)	1985-10-11	Dispositif permettant de s'assurer de la qualite de tirages d'impression

Legal Events

Date	Code	Title	Description
1989-09-30	RE	Patent lapsed	Owner name: EASTMAN KODAK CY Effective date: 19890331

Date

Code

Title

Description

1989-09-30

Patent lapsed

Owner name: EASTMAN KODAK CY

Effective date: 19890331