Inventor

GRAINDORGE PHILIPPE

FR19 patents

⚠️ This page may combine multiple inventors who share the name “GRAINDORGE PHILIPPE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GRAINDORGE PHILIPPE

PHOTONETICS

Singlemode laser source tunable in wavelength with a self-aligned external cavity

Partly reflecting optical component and laser source incorporating such a component

Singlemode laser source tunable in wavelength with a self-aligned external cavity

Multiwavelength source

Method for positioning an object relative to a plane and measuring length and apparatus for implementing same

Continuously wavelength-tunable monomode laser source

Channelled light spectrum analysis measurement method and device, more especially for measuring a low amplitude movement of a mobile surface, which may be representative of a variation of a physical magnitude convertible into such a movement

Opto-electronic measuring device with optical air wedge spectral analysis arrangement

Laser source with integral filtering of the amplified spontaneous emission

THOMSON CSF

Device for heating an annular surface zone of a threadlike object

Device for measuring a nonreciprocal phase shift produced in a closed-loop interferometer

Optical fibre hydrophone

Method of coiling an optical fiber gyroscope and an optical fiber coil thus obtained

Michelson interferometer with a photorefractive mirror

Device for providing a drawn fiber-like object with a helical structure

Process and device for manufacturing a fiber keeping a circular polarization

Device for illuminating an electro-optical medium for recording holograms in real time

ELECTRICITE DE FRANCE

Device for discriminating fluids having different refractive indices and device for measuring the voluminal fraction of at least one fluid of a current of non-mixible fluids incorporating the discrimination device

VALORGA PROCESS SA

Apparatus for controlling the methane fermentation of organic materials