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:
May. 19, 1992
Filed:
Jun. 25, 1990
David Moldavsky, West Hartford, CT (US);
Robert L Stone, Newfield, ME (US);
Other;
Abstract
An extended cordless telephone system for communicating information signals from a plurality of telephone lines through a telephone exchange, including a central station and a plurality of remote units. The plurality of remote units may be radio telephone handsets, data sets, and the like. The central station includes a plurality of transceivers, a power combiner, a duplexer, a power divider, and a plurality of radiax cables. The plurality of transceivers transmits and receives the information signals as ACSB signals. Alternatively, the plurality of transceivers may transmit and receive the information signals as spread spectrum signals, using frequency hopping and FSK modulation. The power combiners include a plurality of combiner striplines for impedence matching the plurality of transceivers to an output of the power combiner.