FR759341A - Dispositif de vision indirecte - Google Patents
Dispositif de vision indirecteInfo
- Publication number
- FR759341A FR759341A FR759341DA FR759341A FR 759341 A FR759341 A FR 759341A FR 759341D A FR759341D A FR 759341DA FR 759341 A FR759341 A FR 759341A
- Authority
- FR
- France
- Prior art keywords
- vision device
- indirect vision
- indirect
- vision
- 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
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
- G02B23/08—Periscopes
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR759341T | 1933-08-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR759341A true FR759341A (fr) | 1934-02-01 |
Family
ID=9167176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR759341D Expired FR759341A (fr) | 1933-08-07 | 1933-08-07 | Dispositif de vision indirecte |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR759341A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6082869A (en) * | 1999-04-01 | 2000-07-04 | Draheim; Jon M | Door/window mounted safety mirror |
-
1933
- 1933-08-07 FR FR759341D patent/FR759341A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6082869A (en) * | 1999-04-01 | 2000-07-04 | Draheim; Jon M | Door/window mounted safety mirror |
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