FR2273291B1 - - Google Patents
Info
- Publication number
- FR2273291B1 FR2273291B1 FR7418551A FR7418551A FR2273291B1 FR 2273291 B1 FR2273291 B1 FR 2273291B1 FR 7418551 A FR7418551 A FR 7418551A FR 7418551 A FR7418551 A FR 7418551A FR 2273291 B1 FR2273291 B1 FR 2273291B1
- Authority
- FR
- France
- 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
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/12—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices with means for image conversion or intensification
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Telescopes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7418551A FR2273291A1 (en) | 1974-05-29 | 1974-05-29 | Periscope observation head for day or night viewing - has optical and opto-electronic devices and switching means in same head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7418551A FR2273291A1 (en) | 1974-05-29 | 1974-05-29 | Periscope observation head for day or night viewing - has optical and opto-electronic devices and switching means in same head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2273291A1 FR2273291A1 (en) | 1975-12-26 |
| FR2273291B1 true FR2273291B1 (US06168776-20010102-C00028.png) | 1976-10-15 |
Family
ID=9139388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7418551A Granted FR2273291A1 (en) | 1974-05-29 | 1974-05-29 | Periscope observation head for day or night viewing - has optical and opto-electronic devices and switching means in same head |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2273291A1 (US06168776-20010102-C00028.png) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4574197A (en) * | 1983-03-24 | 1986-03-04 | Hughes Aircraft Company | Dual field of view sensor |
| TR23822A (tr) * | 1984-03-21 | 1990-09-13 | Hughes Aircraft Co | Ikili goerues alani hissedici |
| FR2662822B1 (fr) * | 1990-06-01 | 1993-05-14 | Thomson Trt Defense | Episcope multi-fonction, a faible encombrement. |
-
1974
- 1974-05-29 FR FR7418551A patent/FR2273291A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2273291A1 (en) | 1975-12-26 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |