FIELD: light sources. SUBSTANCE: incandescent lamp has lamp base, bulb, lamp holder, electrodes, several filaments secured on tubular member one of whose ends carries insulator and other one, contact. Tubular member is installed for longitudinal displacement and turning about its axis. EFFECT: improved service life of lamp. 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| ELECTRIC FILAMENT LAMP | 1992 |
|
RU2054744C1 |
| INCANDESCENT LAMP | 1992 |
|
RU2050630C1 |
| ELECTRIC FILAMENT LAMP | 1992 |
|
RU2096864C1 |
| FILAMENT LAMP | 1992 |
|
RU2046449C1 |
| ELECTRIC FILAMENT LAMP | 2015 |
|
RU2576656C1 |
| INCANDESCENT LAMP | 2006 |
|
RU2303829C1 |
| ELECTRIC FILAMENT LAMP | 1992 |
|
RU2054743C1 |
| ELECTRIC FILAMENT LAMP | 2015 |
|
RU2591201C1 |
| ELECTRIC FILAMENT LAMP | 2015 |
|
RU2576655C1 |
| INCANDESCENT LAMP | 1990 |
|
RU2016441C1 |
