CA1002585A - Method and apparatus for forming halftone images - Google Patents

Method and apparatus for forming halftone images

Info

Publication number: CA1002585A
Authority: CA; Canada
Prior art keywords: halftone images; forming halftone; forming; images; halftone
Prior art date: 1971-05-17
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

CA141,608A

Other versions

CA141608S (en

Inventor

Horatio N. Crooks

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.)

INFORMATION INTERNATIONAL

Original Assignee

INFORMATION INTERNATIONAL

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.)

1971-05-17

Filing date

1972-05-08

Publication date

1976-12-28

1972-05-08 Application filed by INFORMATION INTERNATIONAL filed Critical INFORMATION INTERNATIONAL

1976-12-28 Application granted granted Critical

1976-12-28 Publication of CA1002585A publication Critical patent/CA1002585A/en

Status Expired legal-status Critical Current

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41B—MACHINES OR ACCESSORIES FOR MAKING, SETTING, OR DISTRIBUTING TYPE; TYPE; PHOTOGRAPHIC OR PHOTOELECTRIC COMPOSING DEVICES
- B41B27/00—Control, indicating, or safety devices or systems for composing machines of various kinds or types
- B41B27/28—Control, indicating, or safety devices for individual operations or machine elements
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41B—MACHINES OR ACCESSORIES FOR MAKING, SETTING, OR DISTRIBUTING TYPE; TYPE; PHOTOGRAPHIC OR PHOTOELECTRIC COMPOSING DEVICES
- B41B19/00—Photoelectronic composing machines
- B41B19/01—Photoelectronic composing machines having electron-beam tubes producing an image of at least one character which is photographed

CA141,608A 1971-05-17 1972-05-08 Method and apparatus for forming halftone images Expired CA1002585A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US00143795A US3806641A (en)	1971-05-17	1971-05-17	Method and apparatus for forming halftone images

Publications (1)

Publication Number	Publication Date
CA1002585A true CA1002585A (en)	1976-12-28

Family

ID=22505677

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA141,608A Expired CA1002585A (en)	1971-05-17	1972-05-08	Method and apparatus for forming halftone images

Country Status (6)

Country	Link
US (1)	US3806641A (en)
JP (1)	JPS541410B1 (en)
CA (1)	CA1002585A (en)
DE (1)	DE2224106A1 (en)
FR (1)	FR2138052B1 (en)
GB (1)	GB1355450A (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4084259A (en) *	1973-11-30	1978-04-11	The Mead Corporation	Apparatus for dot matrix recording
US4004079A (en) *	1975-11-14	1977-01-18	Optronics International, Inc.	Method and apparatus for dual resolution photographic reproduction of line and continuous tone graphic materials
US4547812A (en) *	1980-06-20	1985-10-15	Information International, Inc.	Method and apparatus for forming high resolution halftone images
US4340889A (en) *	1980-08-06	1982-07-20	Ford Motor Company	Method and apparatus for coordinate dimming of electronic displays
US4498108A (en) *	1980-12-29	1985-02-05	Dr.-Ing. Rudolf Hell Gmbh	Screen for reproducing continuous-tone pictures
US4365275A (en) *	1981-05-08	1982-12-21	Delta Scan, Inc.	Method for producing images on radiation sensitive recording mediums
US4353628A (en) *	1981-05-08	1982-10-12	Delta Scan, Inc.	Apparatus for producing images on radiation sensitive recording mediums
US4977458A (en) *	1988-11-16	1990-12-11	Eastman Kodak Company	Apparatus for addressing a font to suppress Moire patterns occurring thereby and a method for use therein
US4916545A (en) *	1988-11-16	1990-04-10	Eastman Kodak Company	Electronic graphic arts screener that suppresses Moire patterns using pseudo-random font selection
US4918622A (en) *	1988-11-16	1990-04-17	Eastman Kodak Company	Electronic graphic arts screener
US5274473A (en) *	1989-08-04	1993-12-28	Intergraph Corporation	Rapid variable angle digital screening
US6259539B1 (en) *	1990-06-11	2001-07-10	Minolta Co., Ltd.	Facsimile device capable of properly recording halftone image and text image
WO1992009437A1 (en) *	1990-11-21	1992-06-11	Polaroid Corporation	Printing apparatus
US5221971A (en) *	1990-11-21	1993-06-22	Polaroid Corporation	Area modulation printing apparatus
IL105343A (en) *	1993-04-08	1997-02-18	Scitex Corp Ltd	Apparatus and technique for generating a screen reproduction of an image
US5742743A (en) *	1993-04-08	1998-04-21	Scitex Corporation Ltd.	Apparatus and method for generating a screen reproduction of a color image including dot shape rotation

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3249690A (en) *	1961-11-13	1966-05-03	Beckman Instruments Inc	Video quantizer producing binary output signals at inflection points of input signal
US3463880A (en) *	1966-03-21	1969-08-26	Rca Corp	Halftone image generator system
US3626824A (en) *	1970-02-20	1971-12-14	Harris Intertype Corp	Composing method and apparatus

1971
- 1971-05-17 US US00143795A patent/US3806641A/en not_active Expired - Lifetime
1972
- 1972-05-08 CA CA141,608A patent/CA1002585A/en not_active Expired
- 1972-05-11 GB GB2202872A patent/GB1355450A/en not_active Expired
- 1972-05-16 JP JP4850472A patent/JPS541410B1/ja active Pending
- 1972-05-17 DE DE19722224106 patent/DE2224106A1/en active Pending
- 1972-05-17 FR FR727217687A patent/FR2138052B1/fr not_active Expired

Also Published As

Publication number	Publication date
FR2138052A1 (en)	1972-12-29
US3806641A (en)	1974-04-23
FR2138052B1 (en)	1973-07-13
JPS541410B1 (en)	1979-01-24
DE2224106A1 (en)	1972-11-23
GB1355450A (en)	1974-06-05

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