Method for the visualization of a restoration material for dental technology comprises using a restoration material (e.g. plastic) with an adhesive with fluorescent compounds, which are illuminated by a lighting device
CH694952A5
Method for controlling the luminance of a viewing field at endoscopy, and endoscopic and diaphragm arrangement for it.
WO9944490A1
Laryngoscope
CH687295A5
Ophthalmoscopic illumination probe.
CH685024A5
Optical coupling of an optical fibre (optical waveguide) with aperture conversion to a measuring cuvette
EP0529006A1
Luminance regulation
CH677696A5
Regulated object illumination device - detects light emitted by object to regulate brightness of light source
CH673214A5
Dental handpiece for natural and artificial teeth - incorporates light source with exit surface providing ring of light around dental drill
CH668130A5
Light barrier for measuring speed of object - detects object between source and receiver from shading of receiver and contains circular to rectangular cross-sectional converters
EP0194229A2
Method for illuminating an object
EP0152646A1
Safety receptacle
CH663473A5
Method for optically determining the surface texture of solids.