FIELD: medicine.
SUBSTANCE: invention relates to medical equipment. Auto-darkening lens for electric welding contains viewing window and side frame. Viewing window consists of optic filter and liquid-crystal sheet, superimposed successively. Auto-darkening lens for electric welding includes illuminating device. Illuminating device includes illuminating body, switch and energy source, electrically connected to each other to form closed circuit. Illuminating element is installed on the surface of side frame, facing the object of welding. Illuminating body represents light diode. Switch represents switch with time delay.
EFFECT: invention makes it possible to increase window light transmission in absence of welding arc.
6 cl, 4 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| LIGHTING UNIT | 2001 |
|
RU2256845C2 |
| HOT-WATER BOILER SYSTEM AND DEVICE FOR ITS CONTROL | 1992 |
|
RU2092744C1 |
| RAZOR | 2005 |
|
RU2352453C2 |
| WIRELESS ELECTRICAL APPLIANCE | 2010 |
|
RU2523231C2 |
| DEVICE AND METHOD OF COMMUNICATION BETWEEN SMALL ICE AND EXTERNAL COMPUTER | 2006 |
|
RU2395705C2 |
| ELECTRONIC BALLAST SCHEME FOR LAMPS | 2010 |
|
RU2560526C2 |
| AC SELECTOR SWITCH | 1996 |
|
RU2127479C1 |
| POWER SUPPLY FOR LIGHT-EMITTING DIODES | 2007 |
|
RU2385553C2 |
| VOLTAGE-CONTROLLED STARTING RELAY FOR INDUCTION MOTOR | 2002 |
|
RU2222095C2 |
| DEVICE FOR TEST OF INSULATION OF STORAGE BATTERY FOR ELECTRIC VEHICLES | 1990 |
|
RU2010735C1 |
