BE481335A - - Google Patents
Info
- Publication number
- BE481335A BE481335A BE481335DA BE481335A BE 481335 A BE481335 A BE 481335A BE 481335D A BE481335D A BE 481335DA BE 481335 A BE481335 A BE 481335A
- Authority
- BE
- Belgium
- Prior art keywords
- sleeve
- column
- lens
- grooves
- supporting column
- Prior art date
Links
- 230000003321 amplification Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 230000000875 corresponding Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000003287 optical Effects 0.000 description 1
- 241000894007 species Species 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
- G03B27/36—Means for automatic focusing therefor by mechanical connections, e.g. by cam, by linkage
- G03B27/38—Means for automatic focusing therefor by mechanical connections, e.g. by cam, by linkage embodying screws with non-uniform pitch
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Microscoopes, Condenser (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
BE481335A true BE481335A (it) |
Family
ID=128309
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE481335D BE481335A (it) |
Country Status (1)
Country | Link |
---|---|
BE (1) | BE481335A (it) |
-
0
- BE BE481335D patent/BE481335A/fr unknown
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