FR2271591B1 - - Google Patents
Info
- Publication number
- FR2271591B1 FR2271591B1 FR7403882A FR7403882A FR2271591B1 FR 2271591 B1 FR2271591 B1 FR 2271591B1 FR 7403882 A FR7403882 A FR 7403882A FR 7403882 A FR7403882 A FR 7403882A FR 2271591 B1 FR2271591 B1 FR 2271591B1
- 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
- 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
- G02B27/021—Reading apparatus
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Telescopes (AREA)
- Lenses (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7403882A FR2271591A1 (en) | 1974-01-31 | 1974-01-31 | Optical magnifier for weak-sighted reader - allows normal reading position to be maintained when magnifier placed on horizontal surface |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7403882A FR2271591A1 (en) | 1974-01-31 | 1974-01-31 | Optical magnifier for weak-sighted reader - allows normal reading position to be maintained when magnifier placed on horizontal surface |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2271591A1 FR2271591A1 (en) | 1975-12-12 |
FR2271591B1 true FR2271591B1 (sv) | 1977-06-10 |
Family
ID=9134529
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7403882A Granted FR2271591A1 (en) | 1974-01-31 | 1974-01-31 | Optical magnifier for weak-sighted reader - allows normal reading position to be maintained when magnifier placed on horizontal surface |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2271591A1 (sv) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4099851A (en) * | 1976-05-07 | 1978-07-11 | Gerard Rethore | Reading aid |
-
1974
- 1974-01-31 FR FR7403882A patent/FR2271591A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2271591A1 (en) | 1975-12-12 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
CL | Concession to grant licenses |