FR858569A - screen for light sources - Google Patents
screen for light sourcesInfo
- Publication number
- FR858569A FR858569A FR858569DA FR858569A FR 858569 A FR858569 A FR 858569A FR 858569D A FR858569D A FR 858569DA FR 858569 A FR858569 A FR 858569A
- Authority
- FR
- France
- Prior art keywords
- screen
- light sources
- sources
- light
- 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
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/12—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of emitted light
- F21S41/125—Coloured light
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR858569T | 1939-08-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR858569A true FR858569A (en) | 1940-11-28 |
Family
ID=9329998
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR858569D Expired FR858569A (en) | 1939-08-02 | 1939-08-02 | screen for light sources |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR858569A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1011375B (en) * | 1954-08-28 | 1957-07-04 | Dr Med Hellmuth Hulverscheidt | Headlights, especially for motor vehicles |
-
1939
- 1939-08-02 FR FR858569D patent/FR858569A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1011375B (en) * | 1954-08-28 | 1957-07-04 | Dr Med Hellmuth Hulverscheidt | Headlights, especially for motor vehicles |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR864139A (en) | projection screen | |
FR862934A (en) | Advanced optical viewfinder | |
FR858569A (en) | screen for light sources | |
FR857286A (en) | screen for fixed or cinematographic light projections | |
FR867075A (en) | Improvements to polarizers for light | |
FR864381A (en) | Light mine for nets | |
FR864177A (en) | Light torch | |
FR854564A (en) | Light projector | |
FR859534A (en) | Advanced bicycle projector mount | |
FR862770A (en) | Photometer | |
FR855093A (en) | Bayonet | |
FR878398A (en) | Siphon | |
FI19877A (en) | Avkylnings- och uppvärmningsapparat | |
FR852053A (en) | Improvements to filters for light sources | |
FR862106A (en) | Light shield | |
FR949991A (en) | Cinematography projector | |
FR846291A (en) | Light projector | |
FR856277A (en) | Projector plane | |
CA383469A (en) | Light projector | |
FR864369A (en) | match case | |
FR850274A (en) | projection screen | |
FR864677A (en) | Photometer | |
FR835734A (en) | Light source | |
FR853458A (en) | Ultra-shortwave lamp improvements | |
FR855908A (en) | Switch-socket |