DE2808163A1 - Vergroesserungsapparat - Google Patents
VergroesserungsapparatInfo
- Publication number
- DE2808163A1 DE2808163A1 DE19782808163 DE2808163A DE2808163A1 DE 2808163 A1 DE2808163 A1 DE 2808163A1 DE 19782808163 DE19782808163 DE 19782808163 DE 2808163 A DE2808163 A DE 2808163A DE 2808163 A1 DE2808163 A1 DE 2808163A1
- Authority
- DE
- Germany
- Prior art keywords
- light source
- lens
- window
- magnifying device
- ground glass
- 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
- 239000005337 ground glass Substances 0.000 claims description 10
- 229910052754 neon Inorganic materials 0.000 claims description 3
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 claims description 3
- 229910052724 xenon Inorganic materials 0.000 claims description 3
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 239000000284 extract Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002699 waste material Substances 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
- G03B27/52—Details
- G03B27/54—Lamp housings; Illuminating means
- G03B27/545—Lamp housings; Illuminating means for enlargers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH285477A CH612519A5 (US07655746-20100202-C00011.png) | 1977-03-08 | 1977-03-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2808163A1 true DE2808163A1 (de) | 1978-09-14 |
Family
ID=4243066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19782808163 Pending DE2808163A1 (de) | 1977-03-08 | 1978-02-25 | Vergroesserungsapparat |
Country Status (15)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2546639A1 (fr) * | 1983-05-28 | 1984-11-30 | Leitz Ernst Gmbh | Chambre de melange de lumiere pour un agrandisseur photographique ou un photocopieur |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4432636A (en) * | 1982-02-18 | 1984-02-21 | Berkey Photo, Inc. | Illumination apparatus |
| US4887123A (en) * | 1987-09-21 | 1989-12-12 | Opti-Copy, Incorporated | Boxlight for projection photoreproduction |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1633228A (en) * | 1926-04-08 | 1927-06-21 | Elwood C Rogers | Photographic enlarger |
| US2415635A (en) * | 1944-05-26 | 1947-02-11 | Eastman Kodak Co | Illumination arrangement for photographic enlargers |
| GB836892A (en) * | 1955-09-21 | 1960-06-09 | Agfa Ag | Improvements in or relating to photographic projection-printing apparatus |
| US2923812A (en) * | 1956-09-28 | 1960-02-02 | Kamera Werke Niedersedlitz Veb | Photographic light producing device |
| US3031922A (en) * | 1957-08-01 | 1962-05-01 | Stadler George | Direct color enlarging apparatus |
| DE2120727A1 (de) * | 1971-04-27 | 1972-11-09 | Agfa-Gevaert Ag, 5090 Leverkusen | Beleuchtungseinrichtung, insbesondere für ein Mikrofilmaufnahmegerät |
-
1977
- 1977-03-08 CH CH285477A patent/CH612519A5/xx not_active IP Right Cessation
-
1978
- 1978-02-25 DE DE19782808163 patent/DE2808163A1/de active Pending
- 1978-02-28 IL IL54152A patent/IL54152A0/xx unknown
- 1978-03-06 US US05/883,470 patent/US4189229A/en not_active Expired - Lifetime
- 1978-03-06 DD DD203991A patent/DD134574A5/xx unknown
- 1978-03-06 AU AU33857/78A patent/AU3385778A/en active Pending
- 1978-03-06 SE SE7802515A patent/SE7802515L/xx unknown
- 1978-03-07 JP JP2506678A patent/JPS53131032A/ja active Pending
- 1978-03-07 BE BE185711A patent/BE864624A/xx unknown
- 1978-03-07 IT IT67476/78A patent/IT1107829B/it active
- 1978-03-07 ES ES468037A patent/ES468037A1/es not_active Expired
- 1978-03-07 BR BR7801400A patent/BR7801400A/pt unknown
- 1978-03-08 FR FR7806686A patent/FR2388301A1/fr not_active Withdrawn
- 1978-03-08 DK DK104378A patent/DK104378A/da unknown
- 1978-03-08 NL NL7802564A patent/NL7802564A/xx not_active Application Discontinuation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2546639A1 (fr) * | 1983-05-28 | 1984-11-30 | Leitz Ernst Gmbh | Chambre de melange de lumiere pour un agrandisseur photographique ou un photocopieur |
Also Published As
| Publication number | Publication date |
|---|---|
| IT7867476A0 (it) | 1978-03-07 |
| BR7801400A (pt) | 1978-09-26 |
| ES468037A1 (es) | 1979-07-01 |
| FR2388301A1 (fr) | 1978-11-17 |
| DK104378A (da) | 1978-09-09 |
| IL54152A0 (en) | 1978-04-30 |
| SE7802515L (sv) | 1978-09-09 |
| CH612519A5 (US07655746-20100202-C00011.png) | 1979-07-31 |
| DD134574A5 (de) | 1979-03-07 |
| US4189229A (en) | 1980-02-19 |
| BE864624A (fr) | 1978-09-07 |
| AU3385778A (en) | 1979-09-13 |
| JPS53131032A (en) | 1978-11-15 |
| NL7802564A (nl) | 1978-09-12 |
| IT1107829B (it) | 1985-12-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHJ | Non-payment of the annual fee |