FR612219A - portable electric light equipment - Google Patents
portable electric light equipmentInfo
- Publication number
- FR612219A FR612219A FR612219DA FR612219A FR 612219 A FR612219 A FR 612219A FR 612219D A FR612219D A FR 612219DA FR 612219 A FR612219 A FR 612219A
- Authority
- FR
- France
- Prior art keywords
- portable electric
- electric light
- light equipment
- equipment
- portable
- 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
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
- F21L2/00—Systems of electric lighting devices
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR612219T | 1926-03-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR612219A true FR612219A (en) | 1926-10-19 |
Family
ID=8978682
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR612219D Expired FR612219A (en) | 1926-03-05 | 1926-03-05 | portable electric light equipment |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR612219A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4607924A (en) * | 1984-12-04 | 1986-08-26 | Vivid Systems Incorporated | Video projector focus adjustment mechanism |
-
1926
- 1926-03-05 FR FR612219D patent/FR612219A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4607924A (en) * | 1984-12-04 | 1986-08-26 | Vivid Systems Incorporated | Video projector focus adjustment mechanism |
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