NL92626C - - Google Patents
Info
- Publication number
- NL92626C NL92626C NL92626DC NL92626C NL 92626 C NL92626 C NL 92626C NL 92626D C NL92626D C NL 92626DC NL 92626 C NL92626 C NL 92626C
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/02—Telephoto objectives, i.e. systems of the type + - in which the distance from the front vertex to the image plane is less than the equivalent focal length
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE323661X | 1953-09-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL92626C true NL92626C (xx) |
Family
ID=6174834
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL92626D NL92626C (xx) | 1953-09-18 | ||
| NL190521D NL190521A (xx) | 1953-09-18 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL190521D NL190521A (xx) | 1953-09-18 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2748657A (xx) |
| CH (1) | CH323661A (xx) |
| FR (1) | FR1107036A (xx) |
| GB (1) | GB750771A (xx) |
| NL (2) | NL190521A (xx) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE316246C (xx) * | ||||
| GB222709A (en) * | 1923-11-27 | 1924-10-09 | Horace William Lee | Improvements in telephoto objectives |
| US2380207A (en) * | 1943-12-14 | 1945-07-10 | Eastman Kodak Co | Telephoto objective |
| US2541485A (en) * | 1949-08-20 | 1951-02-13 | Eastman Kodak Co | Telephoto objectives corrected for distortion |
| US2576436A (en) * | 1949-10-08 | 1951-11-27 | Perkin Elmer Corp | Telephoto type objective lens |
| US2662446A (en) * | 1951-12-13 | 1953-12-15 | Voigtlaender Ag | Photographic teleobjective having a composite positive front part axially spaced from a composite negative rear part |
-
0
- NL NL92626D patent/NL92626C/xx active
- NL NL190521D patent/NL190521A/xx unknown
-
1954
- 1954-07-03 CH CH323661D patent/CH323661A/de unknown
- 1954-08-05 US US447971A patent/US2748657A/en not_active Expired - Lifetime
- 1954-09-02 FR FR1107036D patent/FR1107036A/fr not_active Expired
- 1954-09-03 GB GB25639/54A patent/GB750771A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH323661A (de) | 1957-08-15 |
| FR1107036A (fr) | 1955-12-27 |
| US2748657A (en) | 1956-06-05 |
| GB750771A (en) | 1956-06-20 |
| NL190521A (xx) |