Measurement of the level of a heated liquid in a container, particularly for determination of the oil level in a motor vehicle engine sump by use of an array of temperature sensors on a support immersed in the oil
EP1079731A1
Apparatus for locating dental plaque using fluorescence measurement
DE4233869C1
Drawing light conducting glass fibres - by feeding glass rod and glass tube into tubular furnace at different speeds and drawing thin covered rod from bottom
DE4130586A1
Determining particle size concentrations in airborne dust - measuring different contributions of refraction, diffraction and reflection in very narrow forward scattering angle in near infrared
DE4106548A1
Wire probe for non-contact, optical examination of surface structures in the submicrometer range
DE4022553A1
Medical contact lens - with recess contg. therapeutically or diagnostically active substance
DE4022083A1
Process for suppressing disturbance variables in the continuous determination of optical variables such as scattered light, transmission, reflection etc. by means of phase and frequency selective scanning on solid, liquid or gaseous media
DE3718407A1
Device for the optical analysis of particle populations in gases and liquids
DE3600635A1
Illuminating device for homogeneous illumination of a medium in a container, in particular in a reactor