EP 1373956 A1 20040102 - PRESSURE COMPENSATING DEVICE FOR OPTICAL APPARATUS
Title (en)
PRESSURE COMPENSATING DEVICE FOR OPTICAL APPARATUS
Title (de)
ANORDNUNG ZUM DRUCKAUSGLEICH FÜR OPTISCHE GERÄTE
Title (fr)
DISPOSITIF DE COMPENSATION DE PRESSION POUR APPAREILS OPTIQUES
Publication
Application
Priority
- DE 10117170 A 20010406
- EP 0202991 W 20020319
Abstract (en)
[origin: DE10117170A1] The invention relates to a pressure-compensating device for optical apparatus, especially spectrometers and other optical devices, used to compensate differences in pressure arising from changes in temperature and air pressure occurring between the inner pressure and atmospheric pressure on the housing of an optical device comprising optical units, whereby soiling of the optical units of the optical apparatus can be prevented at low cost, requires little technical complexity and continuos pressure compensation is ensured between the inner area and the outer area surrounding the housing of the optical apparatus and optical units associated therewith. According to the invention, the pressure-compensating device consists of at least one pressure compensating element which is permeable with respect to air on both sides. Said pressure compensating element is arranged in an opening of the wall of the housing of the optical apparatus comprising said optical units.
IPC 1-7
IPC 8 full level
G01J 3/02 (2006.01); G01J 5/04 (2006.01); G02B 7/02 (2006.01); G02B 27/00 (2006.01)
CPC (source: EP US)
G01J 3/02 (2013.01 - EP US); G01J 3/0286 (2013.01 - EP US); G01J 5/02 (2013.01 - EP); G01J 5/068 (2022.01 - EP US); G02B 7/02 (2013.01 - EP US); G02B 27/0006 (2013.01 - EP US)
Citation (search report)
See references of WO 02082153A1
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
DE 10117170 A1 20021010; EP 1373956 A1 20040102; US 2004027565 A1 20040212; US 7082003 B2 20060725; WO 02082153 A1 20021017
DOCDB simple family (application)
DE 10117170 A 20010406; EP 0202991 W 20020319; EP 02704762 A 20020319; US 41521303 A 20030424