author = "J. Fernando Silva and Victor Pires and Victor Manuel Esteves Antunes",
   title = "Amplificador de Pot{\^e}ncia Áudio Integralmente Digital, com Fontes em Progress{\~a}o Geom{\'e}trica Fraccion{\'a}ria, Tr{\^e}s {N}{\'\i}veis de Sa{\'\i}da por Fonte e Alargamento de Impulsos Estreitos",
   number = 103651,
   howpublished = "National Patent",
   note = "issued at https://pt.espacenet.com/publicationDetails/originalDocument?FT=D\&date=20070924\&DB=\&locale=pt\_PT\&CC=PT\&NR=103651B\&KC=B\&ND=4",
   year = 2007,
   month = sep,
   BibTexOrigem = "12611 www.Inesc-ID.pt 2023-09-22"

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