JPS5437666Y2 - - Google Patents
Info
- Publication number
- JPS5437666Y2 JPS5437666Y2 JP1975065149U JP6514975U JPS5437666Y2 JP S5437666 Y2 JPS5437666 Y2 JP S5437666Y2 JP 1975065149 U JP1975065149 U JP 1975065149U JP 6514975 U JP6514975 U JP 6514975U JP S5437666 Y2 JPS5437666 Y2 JP S5437666Y2
- Authority
- JP
- Japan
- 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
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1975065149U JPS5437666Y2 (ja) | 1975-05-16 | 1975-05-16 | |
| US05/686,268 US4071299A (en) | 1975-05-16 | 1976-05-14 | Transmittance densitometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1975065149U JPS5437666Y2 (ja) | 1975-05-16 | 1975-05-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS51145974U JPS51145974U (ja) | 1976-11-24 |
| JPS5437666Y2 true JPS5437666Y2 (ja) | 1979-11-10 |
Family
ID=13278524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1975065149U Expired JPS5437666Y2 (ja) | 1975-05-16 | 1975-05-16 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4071299A (ja) |
| JP (1) | JPS5437666Y2 (ja) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5856107B2 (ja) * | 1976-09-25 | 1983-12-13 | オリンパス光学工業株式会社 | 定量化顕微鏡 |
| ATE44176T1 (de) * | 1982-12-20 | 1989-07-15 | Gretag Ag | Transmissionsdensitometer. |
| US4946282A (en) * | 1988-11-18 | 1990-08-07 | The United States Of America As Represented By The Secretary Of The Air Force | Transparency transmissivity measurement device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2235590A (en) * | 1939-04-24 | 1941-03-18 | Weston Electrical Instr Corp | Apparatus for determining proper exposure in making photographic prints |
| US2567005A (en) * | 1947-10-11 | 1951-09-04 | Technicolor Motion Picture | Aligning stage for instruments |
| US3375751A (en) * | 1964-03-16 | 1968-04-02 | Barnes Eng Co | Negative and print densitometer |
-
1975
- 1975-05-16 JP JP1975065149U patent/JPS5437666Y2/ja not_active Expired
-
1976
- 1976-05-14 US US05/686,268 patent/US4071299A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS51145974U (ja) | 1976-11-24 |
| US4071299A (en) | 1978-01-31 |