Title:
【発明の名称】耳なり防止装置
Document Type and Number:
Japanese Patent JPH05506550
Kind Code:
A
Abstract:
PCT No. PCT/EP91/00390 Sec. 371 Date Aug. 31, 1992 Sec. 102(e) Date Aug. 31, 1992 PCT Filed Mar. 2, 1991 PCT Pub. No. WO91/17638 PCT Pub. Date Nov. 14, 1991.The invention relates to a tinnitus masker with one or more signal generators, a controllable amplifier (2), one or two electroacoustic transducers (3) for conversion of electrical signals into acoustic signals and a voltage source, whereby at least one of the signal generators (1) generates a continuously repeated, sinusoidal pure tone signal which slowly moves through the audio frequency range and whose cycle duration can be adjusted between 0.1 and 1000 seconds.
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Inventors:
Westermann Sullen Eric
Application Number:
JP50517191A
Publication Date:
September 22, 1993
Filing Date:
March 02, 1991
Export Citation:
Assignee:
Tepholm und Westermann Ampertouls curve
International Classes:
A61F11/00; H04R25/00; (IPC1-7): H04R25/00; A61F11/00
Attorney, Agent or Firm:
Mitsuyoshi Esaki (3 outside)