Equipment converting electrical energy obtained from renewable sources
PL409146A1
Equipment for analysing chosen coughing parameters
PL407169A1
Device for monitoring functional activities of persons
PL406302A1
Method for removing undesirable parts of the program, in particular commercials, from the programs emitted by TV stations and the device for execution of this method
PL405361A1
Method and the device for assisting blind persons to move on their own in the public utility building communication tracts
PL404491A1
Mthod for testing the geometric structure of the surface of the contact strips slides collector current railway traction and device for testing the geometrical structure of the contact strips slides collector current rail traction
PL403297A1
Method allowing detection of color images by blind persons or visually impaired and recognition device for color images detection by blind persons or visually impaired
PL402741A1
Water-wave inductive AC voltage source with two independent propulsion systems of the rotor
PL402742A1
Water-wave inductive AC voltage source
PL400881A1
Device facilitating determine the colour of the traffic lights by the driver in case of glare effect caused by sunlight
PL399525A1
Device indicating deaf people on the occurrence in the environment of selected acoustic signals
PL399524A1
Method and apparatus supporting the process of recognition elements in space by visually impaired persons
