INTRA-AURAL HEARING AID WITH SOUND BALANCING CHANNEL

The invention relates to an intra-aural hearing aid for the deaf or hard of hearing with an earpiece which contains a microphone, an amplifier, an earphone, a battery compartment with battery and a balancing channel leading from the inside to the outside, closed off by a cover plate. The balancing c...

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Bibliographische Detailangaben
1. Verfasser:	TOEPHOLM, JAN
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	ADVERTISING APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE CRYPTOGRAPHY DEAF-AID SETS DIAGRAMS DISPLAY EDUCATION EDUCATIONAL OR DEMONSTRATION APPLIANCES ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY GLOBES LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PHYSICS PLANETARIA PUBLIC ADDRESS SYSTEMS SEALS
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