Patent References 2319627 3237105 3659056 3894195 Remote control Wireless transmitting and receiving systems including ear microphones Battery operated panic alarm wrist watch Hearing aid responsive to signals inside and outside of the audio frequency range Capacitive coupling type data transmission circuit for portable electronic apparatus Alarm system for the hearing impaired InventorAssigneeApplicationNo. 216102 filed on 07/07/1988US Classes:381/315, Remote control, wireless, or alarm340/825.69, Radio link340/825.72, Wireless link381/79, Near field381/312, HEARING AIDS, ELECTRICAL455/41.1Near field (i.e., inductive or capacitive coupling)ExaminersPrimary: Ng, Jin F.Assistant: Byrd, Danita R. Attorney, Agent or FirmForeign Patent References
International ClassesH04R 025/00H04B 005/00 Foreign Application Priority Data1987-07-07 CHAbstractA hearing aid has a housing which can be worn at the head, such as in or behind the ear, and which contains the basic electrical and acoustic elements of the hearing aid. The housing has a portion adapted for introduction into the auditory canal, and a cover, both of which are electrically conductive and are insulated from each other by an insulating layer therebetween, thus forming a capacitor. A control device for transmitting control signals to the hearing aid housing is integrated in a commonly worn article, such as a wristwatch or a piece of jewelry. The control device has a capacitor having spaced plates, the plates forming components of the commonly worn article. The control device includes one or more manually operable control signal actuators which generate an electric field at the control device permitting the control signals to be capacitively transmitted to the housing, such as in the form of a pulse sequence. | |