EP 2156241 A1 20100224 - SELF-CLEARING LIGHT-PROTECTIVE DEVICE
Title (en)
SELF-CLEARING LIGHT-PROTECTIVE DEVICE
Title (de)
AUFHELLENDE LICHTSCHUTZVORRICHTUNG
Title (fr)
DISPOSITIF ÉCLAIRCISSANT DE PROTECTION CONTRE LA LUMIÈRE
Publication
Application
Priority
- CH 2008000255 W 20080609
- CH 9142007 A 20070608
Abstract (en)
[origin: WO2008148240A1] The invention relates to a light-protective device (1) and the operation thereof with at least one active eye protector glass (3) comprising at least one light sensor (7) and control electronics (8) fed from a power supply. The control electronics (8) control the transmission (T) of the eye protector glass (3) such that, in bright surroundings, the eye protector glass (3) is darkened with no or very little electricity use and absolutely without flickering, while said glass is cleared in dim surroundings with applied voltage.
IPC 8 full level
A61F 9/02 (2006.01); A61F 9/06 (2006.01); G02C 7/10 (2006.01); G02F 1/133 (2006.01)
CPC (source: EP)
A61F 9/023 (2013.01); G02C 7/101 (2013.01); G02F 1/13318 (2013.01); G09G 2360/144 (2013.01)
Citation (search report)
See references of WO 2008148240A1
Citation (examination)
- EP 1282000 A1 20030205 - SONY INT EUROPE GMBH [DE], et al
- US 5278684 A 19940111 - MOCHIZUKI AKIHIRO [JP], et al
- US 5347383 A 19940913 - FERGASON JOHN D [US]
- EP 0661583 A2 19950705 - SHIMADZU CORP [JP]
- US 4237557 A 19801209 - GORDON MACK [US]
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA MK RS
DOCDB simple family (publication)
DOCDB simple family (application)
CH 2008000255 W 20080609; EP 08757248 A 20080609