The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 24, 2008
Filed:
Dec. 27, 2001
Didier Lattard, Rencurel, FR;
Didier Varreau, Saint-Georges-de-Commiers, FR;
Bernard Piaget, Venon, FR;
Marc Laugeois, Grenoble, FR;
Didier Lattard, Rencurel, FR;
Didier Varreau, Saint-Georges-de-Commiers, FR;
Bernard Piaget, Venon, FR;
Marc Laugeois, Grenoble, FR;
Commissariat a l'Energie Atomique, Paris, FR;
Abstract
The invention relates to a device for exchanging digital data between several sources and at least one hub in a CDMA system, characterized in that it comprises a number n of digital transmission/reception circuits () installed in parallel, each circuit () comprising a transmitter () comprising means of generating an integer number Nof codes that will be used for spectral spreading of data to be transmitted and a receiver () comprising means () of detecting the access of new sources to the CDMA system transmission channel and means () of generating synchronization signals and power control signals corresponding to each detected new source.