products used by deaf or hearing impaired persons to facilitate easier and higher quality communications; namely, apparatus which measures the magnetic output of the telephone receiver and magnetic loop system for hearing aid users; portable infrared communicators; portable captioning apparatus; apparatus which simulates a telephone switch

'aid':33 'apparatus':17,40,41 'caption':39 'communic':15,37 'deaf':4 'easier':11 'facilit':10 'hear':6,32 'higher':13 'impair':7 'infrar':36 'loop':29 'magnet':21,28 'measur':19 'name':16 'output':22 'person':8 'portabl':35,38 'product':1 'qualiti':14 'receiv':26 'simul':43 'switch':46 'system':30 'telephon':25,45 'use':2 'user':34

ALDS

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