Handset for an electrotactile vocoder for assistance with speech perception by a hearing-impaired person

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Description

FIG. 1 is a perspective view of a handset for an electrotactile vocoder for assistance with speech perception by a hearing-impaired person, showing our new design, with the broken line showing of the hand being for illustrative purposes only forming no part of the claimed design;

FIG. 2 is a top perspective view thereof;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
3831296 August 1974 Hagle
4390756 June 28, 1983 Hoffman et al.
4441202 April 3, 1984 Tong et al.
4581491 April 8, 1986 Boothroyd
4905001 February 27, 1990 Penner
4926879 May 22, 1990 Sevrain et al.
4982432 January 1, 1991 Clark et al.
5583478 December 10, 1996 Renzi
5619180 April 8, 1997 Massimino et al.
Patent History
Patent number: D410545
Type: Grant
Filed: Nov 28, 1997
Date of Patent: Jun 1, 1999
Assignee: The University of Melbourne (Victoria)
Inventors: Robert Samuel Charles Cowan (Prahran), Karyn Louise Galvin (Elwood), Bich Dao Lu (Altona), Rodney Eric Millard (Eltham)
Primary Examiner: Stella Reid
Law Firm: Nixon & Vanderhye
Application Number: 0/80,083
Classifications
Current U.S. Class: Auricular (45) (D24/173)
International Classification: 2402;