FR1424169A - Frontofocomètre à projection - Google Patents
Frontofocomètre à projectionInfo
- Publication number
- FR1424169A FR1424169A FR4709A FR4709A FR1424169A FR 1424169 A FR1424169 A FR 1424169A FR 4709 A FR4709 A FR 4709A FR 4709 A FR4709 A FR 4709A FR 1424169 A FR1424169 A FR 1424169A
- Authority
- FR
- France
- Prior art keywords
- lensometer
- projection
- projection lensometer
- 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
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
- G01M11/0228—Testing optical properties by measuring refractive power
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Eye Examination Apparatus (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1964Z0009009 DE1900005U (de) | 1964-02-08 | 1964-02-08 | Projektions-scheitelbrechwertmesser. |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1424169A true FR1424169A (fr) | 1966-01-07 |
Family
ID=33185542
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR4709A Expired FR1424169A (fr) | 1964-02-08 | 1965-02-08 | Frontofocomètre à projection |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE1900005U (fr) |
FR (1) | FR1424169A (fr) |
-
1964
- 1964-02-08 DE DE1964Z0009009 patent/DE1900005U/de not_active Expired
-
1965
- 1965-02-08 FR FR4709A patent/FR1424169A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1900005U (de) | 1964-09-03 |
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