FR1546456A - Microdensitomètre - Google Patents
MicrodensitomètreInfo
- Publication number
- FR1546456A FR1546456A FR19204A FR1546456DA FR1546456A FR 1546456 A FR1546456 A FR 1546456A FR 19204 A FR19204 A FR 19204A FR 1546456D A FR1546456D A FR 1546456DA FR 1546456 A FR1546456 A FR 1546456A
- Authority
- FR
- France
- Prior art keywords
- microdensitometer
- 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
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
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US37223964A | 1964-06-03 | 1964-06-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1546456A true FR1546456A (fr) | 1968-11-22 |
Family
ID=23467293
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR19204A Expired FR1546456A (fr) | 1964-06-03 | 1965-06-02 | Microdensitomètre |
Country Status (4)
Country | Link |
---|---|
US (1) | US3424534A (fr) |
DE (1) | DE1522816A1 (fr) |
FR (1) | FR1546456A (fr) |
GB (1) | GB1098382A (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3582219A (en) * | 1967-10-27 | 1971-06-01 | Agfa Gevaert Ag | Light measuring means for microfilm cameras |
JPS4938471B1 (fr) * | 1969-12-24 | 1974-10-17 | ||
SE344637B (fr) * | 1970-11-02 | 1972-04-24 | V Klimecki | |
US3802784A (en) * | 1972-02-16 | 1974-04-09 | Technical Operations Inc | Microdensitometer having linear response |
US3892052A (en) * | 1974-05-03 | 1975-07-01 | Us Army | Brightness contour plotter |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2478406A (en) * | 1944-08-19 | 1949-08-09 | Eastman Kodak Co | Direct-reading gamma-measuring device using overlapping neutral density wedges |
FR1358547A (fr) * | 1963-03-05 | 1964-04-17 | Compteurs Comp D | Dispositif de contrôle de la vitesse de déplacement d'un échantillon à explorer, notamment pour microdensitomètre enregistreur |
-
1964
- 1964-06-03 US US372239A patent/US3424534A/en not_active Expired - Lifetime
-
1965
- 1965-05-24 GB GB21994/65A patent/GB1098382A/en not_active Expired
- 1965-06-02 FR FR19204A patent/FR1546456A/fr not_active Expired
- 1965-06-03 DE DE19651522816 patent/DE1522816A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE1522816A1 (de) | 1969-11-06 |
GB1098382A (en) | 1968-01-10 |
US3424534A (en) | 1969-01-28 |
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