GB2031174A - Projection printing - Google Patents
Projection printing Download PDFInfo
- Publication number
- GB2031174A GB2031174A GB7931707A GB7931707A GB2031174A GB 2031174 A GB2031174 A GB 2031174A GB 7931707 A GB7931707 A GB 7931707A GB 7931707 A GB7931707 A GB 7931707A GB 2031174 A GB2031174 A GB 2031174A
- Authority
- GB
- United Kingdom
- Prior art keywords
- object lens
- lens support
- copying
- mask
- point values
- 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.)
- Withdrawn
Links
- 230000015654 memory Effects 0.000 claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 230000005693 optoelectronics Effects 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000000875 corresponding effect Effects 0.000 claims 8
- 238000005286 illumination Methods 0.000 abstract description 4
- 238000012937 correction Methods 0.000 description 12
- 238000001914 filtration Methods 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010034960 Photophobia Diseases 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 208000013469 light sensitivity Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B27/00—Photographic printing apparatus
- G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
- G03B27/34—Means for automatic focusing therefor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Variable Magnification In Projection-Type Copying Machines (AREA)
- Projection-Type Copiers In General (AREA)
- Control Of Exposure In Printing And Copying (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH953378A CH631553A5 (de) | 1978-09-12 | 1978-09-12 | Kopiergeraet. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB2031174A true GB2031174A (en) | 1980-04-16 |
Family
ID=4352996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB7931707A Withdrawn GB2031174A (en) | 1978-09-12 | 1979-09-12 | Projection printing |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH631553A5 (enExample) |
| DE (1) | DE2926853A1 (enExample) |
| FR (1) | FR2436415A1 (enExample) |
| GB (1) | GB2031174A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2126359A (en) * | 1982-09-06 | 1984-03-21 | Staffan Boerjesson | Magazine for photosensitive material |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3339991A1 (de) * | 1983-11-04 | 1985-05-15 | Agfa-Gevaert Ag, 5090 Leverkusen | Fotografisches rollenkopiergeraet |
| DE3339960A1 (de) * | 1983-11-04 | 1985-05-15 | Agfa-Gevaert Ag, 5090 Leverkusen | Fotografisches kopiergeraet |
| JPH05158160A (ja) * | 1991-12-09 | 1993-06-25 | Fuji Photo Film Co Ltd | 写真プリンタ |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1200119B (de) * | 1963-03-13 | 1965-09-02 | Gretag Ag | Photographisches Kopiergeraet fuer mindestens zwei verschiedene Negativ- und Positivformate |
| DE1772513A1 (de) * | 1968-05-28 | 1971-04-22 | Photo Color Studio H Bircher & | Verfahren zum Kopieren oder Vergroessern von Diapositiven |
| DE1936169A1 (de) * | 1969-07-16 | 1971-02-11 | Ece Gmbh | Fotokopiergeraet |
| DE2136163A1 (de) * | 1970-07-21 | 1972-02-10 | Sidney R Littlejohn & Co Ltd , London | Vorrichtung zur Steuerung der Positionierung eines Objektes und einer Linsenanordnung in einem Kamerasystem |
| US3689149A (en) * | 1970-11-12 | 1972-09-05 | Drewry Photocolor Corp | Photographic printing apparatus having variable length print paper |
| US4029412A (en) * | 1974-10-08 | 1977-06-14 | Spence Bate | Multi-standard reprographic camera |
| DE2738236C2 (de) * | 1977-08-25 | 1982-05-06 | Agfa-Gevaert Ag, 5090 Leverkusen | Fotografisches Kopiergerät |
-
1978
- 1978-09-12 CH CH953378A patent/CH631553A5/de not_active IP Right Cessation
-
1979
- 1979-07-03 DE DE19792926853 patent/DE2926853A1/de active Granted
- 1979-08-21 FR FR7921089A patent/FR2436415A1/fr active Pending
- 1979-09-12 GB GB7931707A patent/GB2031174A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2126359A (en) * | 1982-09-06 | 1984-03-21 | Staffan Boerjesson | Magazine for photosensitive material |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2926853C2 (enExample) | 1989-05-18 |
| DE2926853A1 (de) | 1980-03-20 |
| FR2436415A1 (fr) | 1980-04-11 |
| CH631553A5 (de) | 1982-08-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |