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| Number | Title | Issue Date |
| 7359857 | Method and system of correcting spectral deformations in the voice, introduced by a communication network A technique for correcting the voice spectral deformations introduced by a communication network. Prior to the operation of equalization of the voice signal of a speaker, the constitution of classes of speakers is communicated, with one voice reference per class. Th... | 04/15/2008 |
| 7197975 | Piston-cylinder unit Piston-cylinder unit including a working cylinder; a piston attached to a piston rod and installed with freedom of axial displacement in the working cylinder; and fastening elements, at least one of which is screwed into a threaded bore in the piston rod, where the ... | 04/03/2007 |
