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Publications and Intellectual Property

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So far the development of Electronic Controlled Acoustic Shadow Systems has been carried out over a six year investigation. Details of the development  to date have been recorded through the following publications in the Journal of Sound and Vibration and  the intellectual property is protect through the following patents.

Publications

1.  Wright S. E., Vuksanovic B., 1996, Journal of Sound and Vibration 190(3), 565-585, Active  Control of Environmental Noise.
2.   Wright S. E., Vuksanovic B., 1997, Journal of Sound and Vibration 202(3), 313-359, Active Control of Environmental Noise II: non-compact acoustic sources. 
3.   Wright S. E., Vuksanovic B., 1999, Journal of Sound and Vibration 220(3), 469-496, Active Control of Environmental Noise III: implementation theory into practice.
4.   Wright S. E., Vuksanovic B., 1999, Journal of Sound and Vibration 222(4), 635-668, Active Control of Environmental Noise IV: practical extensions to ECAS theory.
5.  Wright S.E. and Atmoko H., 2001, Journal of Sound and Vibration. 245(4) 581-609.  Active control of environmental noise, V: performance of a fundamental freefield cancelling system.
6.  Wright S.E. and Atmoko H., 2001, Journal of Sound and Vibration 244 (1), 107-122.   Active ontrol of environmental noise, VI: the effect of environmental change on the stability of free-field sound cancelling system  
7.  Wright S.E. and Atmoko H., 2002, Journal of Sound and Vibration 258(2) 303-323. Active Control of     Environmental Noise VII: performance of multi-frequency, multi-channel, free-field sound cancelling systems 
8. Wright S.E. Atmoko H. and Vuksanovic B., 2003, Journal of Sound and Vibration. Accepted for publication. Active Control of Environmental Noise VIII: increasing the response to primary source changes including unpredictable noise.

Patents 

  1.     Improvements in and relating to active noise reduction.  Active noise reduction along the direction of propagation of the sound from the primary source. International Patent Application No. PCT/GB01/00775.  United States Patent Application No.10/204,828. European Patent Application No. 01905987.2
  2.    Active noise control in unrestricted space. Patent Application No.0208421.8. Patent Application No. PCT/GB2003/001565.  International Patent Application No. PCT/GB2003/001565.