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:
Sep. 14, 1993
Filed:
Mar. 05, 1992
Herve Schwartz, Vanves, FR;
Marc Muller, Clamart, FR;
Schlumberger Industries, Montrouge, FR;
Abstract
The invention relates to a communications system suitable for application directly to a national electricity grid and comprising a transmitter for transmitting data over a plurality of transmission frequency bands, a receiver for receiving messages over any one of the frequency bands, means for evaluating the transmission quality of each of the frequency bands, and a way to adapt the system for transmitting and receiving over the frequency band that has optimum transmission quality. The system of the invention may be applied, in particular, to remote reading of electricity meters.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile