FR548463A - Lentille perfectionnée - Google Patents
Lentille perfectionnéeInfo
- Publication number
- FR548463A FR548463A FR548463DA FR548463A FR 548463 A FR548463 A FR 548463A FR 548463D A FR548463D A FR 548463DA FR 548463 A FR548463 A FR 548463A
- Authority
- FR
- France
- Prior art keywords
- advanced lens
- advanced
- lens
- 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
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
- G02B3/04—Simple or compound lenses with non-spherical faces with continuous faces that are rotationally symmetrical but deviate from a true sphere, e.g. so called "aspheric" lenses
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR548463T | 1921-06-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR548463A true FR548463A (fr) | 1923-01-16 |
Family
ID=8934847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR548463D Expired FR548463A (fr) | 1921-06-25 | 1921-06-25 | Lentille perfectionnée |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR548463A (fr) |
-
1921
- 1921-06-25 FR FR548463D patent/FR548463A/fr not_active Expired
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR536059A (fr) | Méatotome perfectionné | |
| FR548463A (fr) | Lentille perfectionnée | |
| FR532236A (fr) | Cysto-urèthroscope perfectionné | |
| FI8444A (fi) | Strömbrytare | |
| FI8473A (fi) | Barkningsjärn | |
| AT94099B (de) | Objektiv. | |
| AT94100B (de) | Objektiv. | |
| FI8504A (fi) | Träväggkonstruktion | |
| FI8535A (fi) | Vagnsfjäder | |
| FI8419A (fi) | Kassaskåp | |
| FI8429A (fi) | Elastisk hängselanordning | |
| FI8430A (fi) | Förgasningsbrännare | |
| FI8438A (fi) | Snöplog | |
| FI8402A (fi) | Tröskverk | |
| FI8446A (fi) | Elektrisk degelugn | |
| FI8451A (fi) | Torgväska | |
| FI8454A (fi) | Gängmätningsanordning | |
| FI8461A (fi) | Förbränningskraftmaskin | |
| FI8467A (fi) | Parallellskruvstycke | |
| FI8468A (fi) | Vetoruoma | |
| FI8397A (fi) | Tegelmur | |
| FI8498A (fi) | Kokapparat | |
| FI8502A (fi) | Kakelugnsinsats | |
| FI8503A (fi) | Hermetiskt tillslutbart fönster | |
| FI8396A (fi) | Kakelugn |