Apparatus for medical and diagnostic testing, namely, audiometers and acoustic brain stem response instruments: otoacoustic emission instruments, namely, acoustic rhinometry, rhino manometry and rhino flowmetry for measuring and identifying abnormalities in the nose; apparatus for performing oculographic analysis, namely, video oculography, video nystagmography, and video frenzel systems composed of an infra-red camera, a camera control box and a lightweight mask used for recording and observ...

[ AUDITORY AMPLIFIERS, APPARATUS FOR VISUAL AND TACTILE INDICATION OF PITCH AND VISUAL INDICATION OF SOUNDS FOR TRAINING IN ARTICULATION, APPARATUS FOR TRANSPOSING SPEECH FREQUENCIES INTO LOW FREQUENCY RANGE, APPARATUS FOR TACTILE SPEECH TRANSMISSION BY VIBRATORS CONNECTED TO AN ELECTRONIC FREQUENCY FILTER SYSTEM, VISIBLE SPEECH DISPLAYS FOR ARTICULATION TRAINING OF THE TOTALLY DEAF, ] AUDIOMETER FOR INDICATION OF HEARING LOSS, [ SPEECH UNIT FOR SPEECH AUDIOMETRY ] AND AUDIOMETER EARPHONES