Difference between revisions of "Ear Trumpet"

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(Speaking Trumpet)
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=Speaking Trumpet=
 
=Speaking Trumpet=
 
Elizabeth Bennion aptly declares the following to open her book Antique Hearing Devices,  
 
Elizabeth Bennion aptly declares the following to open her book Antique Hearing Devices,  
“There are three points to be effected in order to aid inadequacy in hearing.  Firstly, the distance between speaker and hearer can be reduced. Secondly, the speaker can increase the sound, either by speaking more loudly or by using some mechanical means such a s a megaphone or microphone.  Thirdly, an artificial means can be found to collect more of the sound energy and direct it more efficiently into the auditory canal, or to introduce the vibrations of sound directly into the skull(Bennion 1).”
+
“There are three points to be effected in order to aid inadequacy in hearing.  Firstly, the distance between speaker and hearer can be reduced. Secondly, the speaker can increase the sound, either by speaking more loudly or by using some mechanical means such a s a megaphone or microphone.  Thirdly, an artificial means can be found to collect more of the sound energy and direct it more efficiently into the auditory canal, or to introduce the vibrations of sound directly into the skull(Bennion 1).”
  
 
=Telescoping Ear Trumpet=
 
=Telescoping Ear Trumpet=

Revision as of 12:21, 5 December 2007

Speaking Trumpet

Elizabeth Bennion aptly declares the following to open her book Antique Hearing Devices, “There are three points to be effected in order to aid inadequacy in hearing. Firstly, the distance between speaker and hearer can be reduced. Secondly, the speaker can increase the sound, either by speaking more loudly or by using some mechanical means such a s a megaphone or microphone. Thirdly, an artificial means can be found to collect more of the sound energy and direct it more efficiently into the auditory canal, or to introduce the vibrations of sound directly into the skull(Bennion 1).”

Telescoping Ear Trumpet

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Telescoping or Collapsible Ear Trumpet (Curtis 184)
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Slide Trumpet; Early 15th Century

The popularity of the Townsend Telescoping Ear trumpet can be attributed to the fact that it was compact, and easy to conceal. Interestingly, as far back as the early 15th century there is record of a slide trumpet, which uses the same basic principle (pictured right.) Needless to say this is an example of the obvious, using the existing ear trumpet technology with telescoping technology to increase compactness and further conceal disability.


Speaking Tubes

encoder / decoder

Works Cited

  • Bennion, Elisabeth. Antique Hearing Devices. London: Vernier Press, 1994.
  • Berger, Kenneth Walter. The Hearing Aid: Its Operation and Development. Detroit: National Hearing Aid Society, 1970.
  • Curtis, John Harrison. A Treatise on the physiology and pathology of the ear : containing a comparative view of its structure, functions, and various diseases; observations on the derangement of the ganglionic plexus of nerves, as the cause of many obscure diseases of the ear. Together with remarks on the deaf and dumb. 6th ed. London : Longman, 1836.
  • Kircher, Athanasius. Phonurgia Nova. 1673.
  • Porta, Giambattista della. Magia Naturalis. 1558.
  • Stephens, S. D. G., and J. C. Goodwin. "Non-Electric Aids to Hearing: a Short History." International Journal of Audiology 23 (1984): 215-240. InformaWorld. New York University Bobst. 1 Dec. 2007
  • Zielinski, Siegfried. Deep Time of Media. Cambridge: The MIT Press, 2006.