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Class Information
Number: 381/70
Name: Electrical audio signal processing systems and devices > Artificial larynx, electrical
Description: Subject matter for replacing or supplementing the larynx and involving electrical actuation.










Patents under this class:

Patent Number Title Of Patent Date Issued
8613767 Laryngeal implant for treating glottic insufficiency Dec. 24, 2013
8103012 Electromechanical speech aid Jan. 24, 2012
7212639 Electro-larynx May. 1, 2007
7107074 Computer system with wireless audio signal transmitter module Sep. 12, 2006
6975984 Electrolaryngeal speech enhancement for telephony Dec. 13, 2005
6735315 Electric artificial larynx May. 11, 2004
6724898 Speech recovery device Apr. 20, 2004
6628195 Tactile stimulation device for use by a deaf person Sep. 30, 2003
6359988 Process for introduce realistic pitch variation in artificial larynx speech Mar. 19, 2002
6252966 Artificial larynx Jun. 26, 2001
5828758 System and method for monitoring the oral and nasal cavity Oct. 27, 1998
5812681 Artificial larynx with frequency control Sep. 22, 1998
5326349 Artificial larynx Jul. 5, 1994
5233662 Oral controller method and apparatus Aug. 3, 1993
4993071 Post-laryngectomy speech aid Feb. 12, 1991
4821326 Non-audible speech generation method and apparatus Apr. 11, 1989
4726066 Inter-oral speech aid Feb. 16, 1988
4706292 Speech prosthesis Nov. 10, 1987
4691360 Voice simulator Sep. 1, 1987
4672673 Artificial larynx Jun. 9, 1987
4669643 Electronic larynx carrier Jun. 2, 1987
4633399 Method of seismic data enhancement using a phase of rectified trace seismic parameter Dec. 30, 1986
4627095 Artificial voice apparatus Dec. 2, 1986
4612664 Artificial speech aid tone generating device Sep. 16, 1986
4571739 Interoral Electrolarynx Feb. 18, 1986
4550427 Artificial larynx Oct. 29, 1985
4547894 Replaceable battery pack for intra-oral larynx Oct. 15, 1985
4539698 Replaceable saliva barrier for intra-oral larynx Sep. 3, 1985
4539699 Replaceable battery pack for intra-oral larynx Sep. 3, 1985
4502150 Artificial larynx Feb. 26, 1985
4502151 Replaceable saliva barrier for intra-oral larynx Feb. 26, 1985
4489440 Pressure-compensated pneumatic speech simulator Dec. 18, 1984
4473905 Artificial larynx Sep. 25, 1984
4338488 Electronic artificial larynx Jul. 6, 1982
4292472 Electronic artificial larynx Sep. 29, 1981
4272647 Speech aid apparatus Jun. 9, 1981
4198542 Device for aiding persons having a speech handicap Apr. 15, 1980
4039756 Artificial larynx with semi-automatic inflection control Aug. 2, 1977
4028492 Speech aid apparatus for laryngectomees Jun. 7, 1977
3978286 Artificial larynx Aug. 31, 1976











 
 
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