Title :
Electronic Measuring Cup for the Blind
Author :
Oppkiger, Hans R. ; Brunner, Felix
Author_Institution :
Neu-Technikum Buchs
fDate :
7/1/1977 12:00:00 AM
Abstract :
A simple electronic measuring cup for the blind is described. It uses an array of infrared level detectors, which are immersed in the medium to be measured. When used with a standard 1-liter glass, the filling level is indicated acoustically in increments of 50 ml.
Keywords :
Acoustic measurements; Acoustic signal detection; Containers; Fingers; Glass; Impedance; Infrared detectors; Liquids; Piezoelectric transducers; Sensor arrays; Blindness; Humans; Self-Help Devices;
Journal_Title :
Biomedical Engineering, IEEE Transactions on
DOI :
10.1109/TBME.1977.326148
