BE401505A - - Google Patents
Info
- Publication number
- BE401505A BE401505A BE401505DA BE401505A BE 401505 A BE401505 A BE 401505A BE 401505D A BE401505D A BE 401505DA BE 401505 A BE401505 A BE 401505A
- Authority
- BE
- Belgium
- Prior art keywords
- filaments
- lamp
- series
- arms
- contact arms
- Prior art date
Links
- 238000009795 derivation Methods 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 claims 1
- 210000000056 organ Anatomy 0.000 claims 1
- 239000004020 conductor Substances 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K9/00—Lamps having two or more incandescent bodies separately heated
- H01K9/02—Lamps having two or more incandescent bodies separately heated to provide substitution in the event of failure of one of the bodies
- H01K9/04—Lamps having two or more incandescent bodies separately heated to provide substitution in the event of failure of one of the bodies with built-in manually operated switch
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE770380X | 1933-02-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE401505A true BE401505A (enrdf_load_stackoverflow) |
Family
ID=6675293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE401505D BE401505A (enrdf_load_stackoverflow) | 1933-02-18 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE401505A (enrdf_load_stackoverflow) |
| FR (1) | FR770380A (enrdf_load_stackoverflow) |
-
0
- BE BE401505D patent/BE401505A/fr unknown
-
1934
- 1934-02-17 FR FR770380D patent/FR770380A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR770380A (fr) | 1934-09-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR2550383A1 (fr) | Dispositif d'eclairage par incandescence de haute efficacite | |
| JPS62264501A (ja) | 懐中電灯 | |
| BE401505A (enrdf_load_stackoverflow) | ||
| FR2528655A1 (fr) | Ballast pour lampe a incandescence basse tension et lampe ainsi obtenue | |
| EP0210877A1 (fr) | Lampe à tube fluorescent | |
| FR2499765A1 (fr) | Dispositif ballast pour lampes a decharge en atmosphere gazeuse et unite d'eclairage comprenant un tel dispositif et au moins une lampe a decharge en atmosphere gazeuse a haute pression | |
| FR2513809A1 (fr) | Lampe a decharge a haute intensite | |
| FR2499810A1 (fr) | Systeme d'eclairage et unite d'eclairage electrique compacte | |
| FR2493471A1 (fr) | Dispositif d'eclairage electrique a mecanisme de support d'ampoule du type barrettes | |
| FR2472266A1 (fr) | Lampe a decharge a interferences electromagnetiques reduites | |
| LU83171A1 (fr) | Systeme d'eclairage a decharge de haute intensite | |
| BE515839A (enrdf_load_stackoverflow) | ||
| FR2496339A1 (fr) | Lampe electrique a incandescence a pincement scelle au ciment dans le culot | |
| FR2646567A1 (fr) | Ensemble de connecteur et de lampe a haute tension a haute securite, notamment pour eclairage automobile | |
| FR2497052A1 (fr) | Dispositif d'eclairage fluorescent a double niveau d'eclairage | |
| FR2553575A1 (fr) | Lampe a vapeurs de sodium a haute pression | |
| FR1450041A (fr) | Appareil permettant de régler l'intensité d'une lampe électrique | |
| WO1988003702A1 (fr) | Tube a decharge fluorescent, a ballast capacitif a culot normalise, formant ensemble compact | |
| FR2613459A1 (fr) | Appareil d'eclairage a obturateur automatique | |
| BE397002A (enrdf_load_stackoverflow) | ||
| BE565964A (enrdf_load_stackoverflow) | ||
| BE351463A (enrdf_load_stackoverflow) | ||
| CH99620A (fr) | Lampe à incandescence. | |
| FR2559627A1 (fr) | Montage pour l'alimentation progressive d'un appareil electrique | |
| FR2515469A1 (fr) | Circuit d'amorcage pour lampes fluorescentes |