FR689820A - Anti-glare glasses - Google Patents
Anti-glare glassesInfo
- Publication number
- FR689820A FR689820A FR689820DA FR689820A FR 689820 A FR689820 A FR 689820A FR 689820D A FR689820D A FR 689820DA FR 689820 A FR689820 A FR 689820A
- Authority
- FR
- France
- Prior art keywords
- glare glasses
- glare
- glasses
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR689820T | 1930-02-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR689820A true FR689820A (en) | 1930-09-11 |
Family
ID=9027481
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR689820D Expired FR689820A (en) | 1930-02-13 | 1930-02-13 | Anti-glare glasses |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR689820A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1204159B (en) * | 1959-08-18 | 1965-11-04 | Johann Schnibbe | Lighting device to achieve changing lighting effects |
-
1930
- 1930-02-13 FR FR689820D patent/FR689820A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1204159B (en) * | 1959-08-18 | 1965-11-04 | Johann Schnibbe | Lighting device to achieve changing lighting effects |
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