DE1797501A1 - Einrichtung zum Erzeugen von Halbtonbildern - Google Patents
Einrichtung zum Erzeugen von HalbtonbildernInfo
- Publication number
- DE1797501A1 DE1797501A1 DE19671797501 DE1797501A DE1797501A1 DE 1797501 A1 DE1797501 A1 DE 1797501A1 DE 19671797501 DE19671797501 DE 19671797501 DE 1797501 A DE1797501 A DE 1797501A DE 1797501 A1 DE1797501 A1 DE 1797501A1
- Authority
- DE
- Germany
- Prior art keywords
- image signals
- scanning
- circuit arrangement
- image
- modulator
- 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.)
- Pending
Links
- 230000010355 oscillation Effects 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 6
- 238000010894 electron beam technology Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 239000011159 matrix material Substances 0.000 claims 1
- 230000010354 integration Effects 0.000 description 9
- 230000003287 optical effect Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G1/00—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data
- G09G1/06—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using single beam tubes, e.g. three-dimensional or perspective representation, rotation or translation of display pattern, hidden lines, shadows
-
- 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
-
- 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
- H04N1/4055—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern
- H04N1/4058—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern with details for producing a halftone screen at an oblique angle
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Facsimile Scanning Arrangements (AREA)
- Fax Reproducing Arrangements (AREA)
- Controls And Circuits For Display Device (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US53588466A | 1966-03-21 | 1966-03-21 | |
| US53588366A | 1966-03-21 | 1966-03-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1797501A1 true DE1797501A1 (de) | 1971-04-15 |
Family
ID=27064972
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19671797501 Pending DE1797501A1 (de) | 1966-03-21 | 1967-03-21 | Einrichtung zum Erzeugen von Halbtonbildern |
| DE19671522520 Pending DE1522520A1 (de) | 1966-03-21 | 1967-03-21 | Einrichtung zum Erzeugen von Halbtonbildern |
| DE19671522521 Pending DE1522521A1 (de) | 1966-03-21 | 1967-03-21 | Elektronische Fotokopiereinrichtung |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19671522520 Pending DE1522520A1 (de) | 1966-03-21 | 1967-03-21 | Einrichtung zum Erzeugen von Halbtonbildern |
| DE19671522521 Pending DE1522521A1 (de) | 1966-03-21 | 1967-03-21 | Elektronische Fotokopiereinrichtung |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US3564130A (ref) |
| BE (2) | BE695861A (ref) |
| DE (3) | DE1797501A1 (ref) |
| GB (3) | GB1181153A (ref) |
| NL (2) | NL6704119A (ref) |
| SE (3) | SE349213B (ref) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1597773C3 (de) * | 1967-08-26 | 1974-09-19 | Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel | Verfahren zum Setzen gerasteter Halbtonbilder |
| US3526883A (en) * | 1968-10-09 | 1970-09-01 | Bell Telephone Labor Inc | Magnetic domain display device |
| US3688026A (en) * | 1970-10-29 | 1972-08-29 | Le Elektrotekhnichesky I Svyaz | Method and system for the dot-pattern recording of half-tone images |
| US3806641A (en) * | 1971-05-17 | 1974-04-23 | Information Int Inc | Method and apparatus for forming halftone images |
| DE2167024C2 (de) * | 1971-12-09 | 1985-04-11 | Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel | Einrichtung zum Herstellen von gerasterten Druckformen |
| DE2161038C3 (de) | 1971-12-09 | 1985-06-20 | Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel | Verfahren zur Herstellung von gerasterten Druckformen |
| DE2241850C3 (de) * | 1972-08-25 | 1978-06-29 | European Rotogravure Association, 8000 Muenchen | Verfahren zur Herstellung von Druckformen mittels eines Energiestrahles |
| US3911480A (en) * | 1972-12-08 | 1975-10-07 | John P Brucker | Generating screened half-tones by scanning |
| US4189752A (en) * | 1973-11-12 | 1980-02-19 | Printing Developments, Inc. | Electronic screening with galvanometer recorders |
| GB2121643A (en) * | 1982-05-28 | 1983-12-21 | Linotype Paul Ltd | Halftone raster display |
| US4847695A (en) * | 1986-02-06 | 1989-07-11 | Canon Kabushiki Kaisha | Image processing apparatus in which the minimum and maximum widths of a pulse-width modulated signal can be independently adjusted in accordance with predetermined data signals |
| US4998962A (en) * | 1989-01-25 | 1991-03-12 | Wallace Edwards | Printing method and printed product |
| US5074206A (en) * | 1989-01-25 | 1991-12-24 | Wallace Edwards | Printing method and printed product |
| US5363208A (en) * | 1989-11-01 | 1994-11-08 | Minolta Camera Kabushiki Kaisha | Image forming apparatus comprising integrating means for integrating image density data |
| EP1418883A1 (en) * | 2001-08-24 | 2004-05-19 | Unilever N.V. | Oral composition comprising an alkylhydroxybenzoate |
| US6775394B2 (en) | 2002-03-12 | 2004-08-10 | Matsushita Electric Industrial Co., Ltd. | Digital watermarking of binary document using halftoning |
| EP3583892A1 (en) | 2018-06-20 | 2019-12-25 | Koninklijke Philips N.V. | Pressure sensing unit, system and method for remote pressure sensing |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU39915A1 (ref) * | 1960-04-01 | |||
| US3249690A (en) * | 1961-11-13 | 1966-05-03 | Beckman Instruments Inc | Video quantizer producing binary output signals at inflection points of input signal |
| US3229033A (en) * | 1963-02-26 | 1966-01-11 | Artzt Maurice | Variable velocity halftone facsimile system |
| US3158479A (en) * | 1963-03-14 | 1964-11-24 | Pluess Lithograph Co | Method of production halftones |
-
1966
- 1966-03-21 US US535883A patent/US3564130A/en not_active Expired - Lifetime
- 1966-03-21 US US535884A patent/US3463880A/en not_active Expired - Lifetime
-
1967
- 1967-03-08 GB GB33457/69A patent/GB1181153A/en not_active Expired
- 1967-03-08 GB GB01005/67A patent/GB1181151A/en not_active Expired
- 1967-03-13 GB GB01770/67A patent/GB1181152A/en not_active Expired
- 1967-03-20 SE SE03828/67A patent/SE349213B/xx unknown
- 1967-03-20 NL NL6704119A patent/NL6704119A/xx unknown
- 1967-03-20 NL NL6704120A patent/NL6704120A/xx unknown
- 1967-03-20 SE SE03829/67A patent/SE334290B/xx unknown
- 1967-03-20 SE SE03841/70A patent/SE364617B/xx unknown
- 1967-03-21 BE BE695861D patent/BE695861A/xx unknown
- 1967-03-21 BE BE695862D patent/BE695862A/xx unknown
- 1967-03-21 DE DE19671797501 patent/DE1797501A1/de active Pending
- 1967-03-21 DE DE19671522520 patent/DE1522520A1/de active Pending
- 1967-03-21 DE DE19671522521 patent/DE1522521A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3463880A (en) | 1969-08-26 |
| GB1181152A (en) | 1970-02-11 |
| DE1522520A1 (de) | 1969-09-11 |
| GB1181151A (en) | 1970-02-11 |
| NL6704120A (ref) | 1967-09-22 |
| SE334290B (ref) | 1971-04-19 |
| SE349213B (ref) | 1972-09-18 |
| US3564130A (en) | 1971-02-16 |
| DE1522521A1 (de) | 1969-12-11 |
| SE364617B (ref) | 1974-02-25 |
| BE695862A (ref) | 1967-09-01 |
| BE695861A (ref) | 1967-09-01 |
| GB1181153A (en) | 1970-02-11 |
| NL6704119A (ref) | 1967-09-22 |
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