DE2445831C3 - Vorrichtung zur Ermittlung von extremen Dichtewerten - Google Patents
Vorrichtung zur Ermittlung von extremen DichtewertenInfo
- Publication number
- DE2445831C3 DE2445831C3 DE19742445831 DE2445831A DE2445831C3 DE 2445831 C3 DE2445831 C3 DE 2445831C3 DE 19742445831 DE19742445831 DE 19742445831 DE 2445831 A DE2445831 A DE 2445831A DE 2445831 C3 DE2445831 C3 DE 2445831C3
- Authority
- DE
- Germany
- Prior art keywords
- gap
- scanning
- area
- openings
- template
- 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.)
- Expired
Links
- 238000011156 evaluation Methods 0.000 claims description 13
- 238000003384 imaging method Methods 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 230000033001 locomotion Effects 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000012854 evaluation process Methods 0.000 claims 1
- 238000005070 sampling Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/59—Transmissivity
- G01N21/5907—Densitometers
- G01N21/5911—Densitometers of the scanning type
-
- 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
- G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Facsimile Scanning Arrangements (AREA)
- Control Of Exposure In Printing And Copying (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Control Or Security For Electrophotography (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742445831 DE2445831C3 (de) | 1974-09-25 | 1974-09-25 | Vorrichtung zur Ermittlung von extremen Dichtewerten |
| IT2701675A IT1042367B (it) | 1974-09-25 | 1975-09-08 | Dispositivo per la determinazione di valori estremi della densita |
| CH1219875A CH589867A5 (enExample) | 1974-09-25 | 1975-09-19 | |
| GB3931875A GB1528195A (en) | 1974-09-25 | 1975-09-25 | Apparatus for the determination of extreme density values in a transparent original |
| JP50114957A JPS5163673A (en) | 1974-09-25 | 1975-09-25 | Nodokyokuchino kenchisochi |
| US05/790,136 US4082465A (en) | 1974-09-25 | 1977-04-22 | Determination of extreme density values of photographic originals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742445831 DE2445831C3 (de) | 1974-09-25 | 1974-09-25 | Vorrichtung zur Ermittlung von extremen Dichtewerten |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2445831A1 DE2445831A1 (de) | 1976-04-15 |
| DE2445831B2 DE2445831B2 (de) | 1977-12-29 |
| DE2445831C3 true DE2445831C3 (de) | 1978-08-31 |
Family
ID=5926707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19742445831 Expired DE2445831C3 (de) | 1974-09-25 | 1974-09-25 | Vorrichtung zur Ermittlung von extremen Dichtewerten |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5163673A (enExample) |
| CH (1) | CH589867A5 (enExample) |
| DE (1) | DE2445831C3 (enExample) |
| GB (1) | GB1528195A (enExample) |
| IT (1) | IT1042367B (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53143312A (en) * | 1977-05-20 | 1978-12-13 | Fuji Photo Film Co Ltd | Photographic film scanner |
| EP0001747A1 (de) * | 1977-09-23 | 1979-05-16 | ACO-Industriebedarf Gesellschaft m.b.H. | Verfahren und Vorrichtung zur Bewertung von Filmnegativen hinsichtlich ihrer Kopierfähigkeit |
| DE2753632C2 (de) * | 1977-12-01 | 1985-08-29 | Agfa-Gevaert Ag, 5090 Leverkusen | Verfahren und Vorrichtung zum Selektieren von kopierunwürdigen fotografischen Vorlagen |
| JPS54157673A (en) * | 1978-06-01 | 1979-12-12 | Tokyo Karaa Kk | Device for detecting density of base of photographic film |
| DE3219429A1 (de) * | 1982-05-24 | 1983-11-24 | Horst Dipl.-Ing. 6101 Messel Köth | Verfahren und vorrichtung zur messung der dichte bzw. schwaerzung von bildvorlagen |
| DE3407064A1 (de) * | 1983-02-28 | 1984-08-30 | Canon K.K., Tokio/Tokyo | Bildreproduktionsgeraet |
| JPH0619322B2 (ja) * | 1984-12-27 | 1994-03-16 | 株式会社島津製作所 | クロマトスキヤナ |
| US4945222A (en) * | 1987-10-20 | 1990-07-31 | Brother Kogyo Kabushiki Kaisha | Light irradiation control device for use in image recording apparatus |
| DE59005903D1 (de) * | 1989-09-01 | 1994-07-07 | Gretag Imaging Ag | Photoelektrischer Abtaster. |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3741664A (en) * | 1971-05-28 | 1973-06-26 | Saab Scania Ab | Method for measuring the light transmission of a photographic film giving a digitized output |
-
1974
- 1974-09-25 DE DE19742445831 patent/DE2445831C3/de not_active Expired
-
1975
- 1975-09-08 IT IT2701675A patent/IT1042367B/it active
- 1975-09-19 CH CH1219875A patent/CH589867A5/xx not_active IP Right Cessation
- 1975-09-25 JP JP50114957A patent/JPS5163673A/ja active Pending
- 1975-09-25 GB GB3931875A patent/GB1528195A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2445831A1 (de) | 1976-04-15 |
| CH589867A5 (enExample) | 1977-07-15 |
| JPS5163673A (en) | 1976-06-02 |
| DE2445831B2 (de) | 1977-12-29 |
| GB1528195A (en) | 1978-10-11 |
| IT1042367B (it) | 1980-01-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8320 | Willingness to grant licences declared (paragraph 23) | ||
| 8339 | Ceased/non-payment of the annual fee |