×

Auditory prosthesis equipment

  • US 4,207,441 A
  • Filed: 03/13/1978
  • Issued: 06/10/1980
  • Est. Priority Date: 03/16/1977
  • Status: Expired due to Term
First Claim
Patent Images

1. An equipment for an auditory prosthesis comprising in combination:

  • a system with n sets of electrodes implantable in the cochlea at n different locations so chosen that when they are stimulated the electrodes allow the brain to identify n different frequencies comprised in the audible range;

    an external emitter with means for sequentially analysing n physiological pulse signals having a minimum pulse duration equal to t, means for analysing the sound information signal collected by a microphone and thus forming n analysis signals of which the frequencies correspond to the n frequencies which can be identified by the brain, means for processing the analysis signals and thus forming the physiological pulse signals, and means for transmitting through the skin and by means of a single emitter coil a high frequency signal having a waveform defined by raster signals including said sequential physiological pulse signals, each raster signal having at least n sequential pulses respectively assigned to the n electrode sets and each having a pulse duration t representative of the energy to be transmitted to the electrode set to which it is assigned;

    a receiver implant with a single receiver coil inductively coupled with the emitter coil and provided with means for allowing said receiver implant to be self-operated by the received signals.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×