FR1003137A - Appareil optique à miroir concave - Google Patents
Appareil optique à miroir concaveInfo
- Publication number
- FR1003137A FR1003137A FR1003137DA FR1003137A FR 1003137 A FR1003137 A FR 1003137A FR 1003137D A FR1003137D A FR 1003137DA FR 1003137 A FR1003137 A FR 1003137A
- Authority
- FR
- France
- Prior art keywords
- optical device
- concave mirror
- mirror optical
- concave
- optical
- 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
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/02—Viewing or reading apparatus
- G02B27/022—Viewing apparatus
- G02B27/027—Viewing apparatus comprising magnifying means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1003137T | 1946-12-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1003137A true FR1003137A (fr) | 1952-03-14 |
Family
ID=9562716
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1003137D Expired FR1003137A (fr) | 1946-12-09 | 1946-12-09 | Appareil optique à miroir concave |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1003137A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4294515A (en) * | 1979-03-23 | 1981-10-13 | Arthur Kaufman | Virtual image display apparatus |
-
1946
- 1946-12-09 FR FR1003137D patent/FR1003137A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4294515A (en) * | 1979-03-23 | 1981-10-13 | Arthur Kaufman | Virtual image display apparatus |
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