EP 2601550 A4 20150128 - VARIABLE-MAGNIFICATION OPTICAL LOUPE
Title (en)
VARIABLE-MAGNIFICATION OPTICAL LOUPE
Title (de)
LUPE MIT VARIABLER VERGRÖSSERUNG
Title (fr)
LOUPE OPTIQUE À GROSSISSEMENT VARIABLE
Publication
Application
Priority
- US 37106110 P 20100805
- US 37812910 P 20100830
- US 2011046225 W 20110802
Abstract (en)
[origin: WO2012018784A1] An optical loupe includes an electromechanical apparatus for varying the magnification of objects viewed through the loupe and or varying a working distance of the loupe. In another embodiment, an optical loupe may include a lens system comprising one or more liquid lens assemblies or liquid crystal lens assemblies for providing variable magnification.
IPC 8 full level
G02B 3/14 (2006.01); G02B 7/00 (2006.01); G02B 7/10 (2006.01); G02B 25/00 (2006.01); G02B 27/01 (2006.01)
CPC (source: EP)
G02B 3/14 (2013.01); G02B 7/002 (2013.01); G02B 7/10 (2013.01); G02B 7/102 (2013.01); G02B 25/004 (2013.01); G02B 25/005 (2013.01); G02B 27/017 (2013.01); G02B 27/0172 (2013.01); G02B 27/0176 (2013.01)
Citation (search report)
- [IY] US 2009168166 A1 20090702 - OBREBSKI ANDREAS [DE]
- [Y] US 4057318 A 19771108 - SCHINDL KLAUS P
- [Y] US 6704142 B2 20040309 - CAPLAN CHARLES HOWARD [US], et al
- [Y] US 7286287 B1 20071023 - OFNER ANTON GERALD [AT]
- [A] US 5078469 A 19920107 - CLARK BERNARD [US], et al
- [A] WO 2009074161 A1 20090618 - ZEISS CARL SURGICAL GMBH [DE], et al
- See references of WO 2012018784A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
WO 2012018784 A1 20120209; CN 103210335 A 20130717; EP 2601550 A1 20130612; EP 2601550 A4 20150128; JP 2013537648 A 20131003
DOCDB simple family (application)
US 2011046225 W 20110802; CN 201180038741 A 20110802; EP 11815167 A 20110802; JP 2013523264 A 20110802