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. 18, 2001
Filed:
Jul. 23, 1997
Mark J. Dapper, Cincinnati, OH (US);
Michael J. Geile, Loveland, OH (US);
Harold A. Roberts, Eden Prairie, MN (US);
Jeffrey Brede, Eden Prairie, MN (US);
Mark S. Wadman, Eden Prairie, MN (US);
Robert J. Kirscht, Savage, MN (US);
James J. Herrmann, Eagan, MN (US);
Michael J. Fort, Eagan, MN (US);
ADC Telecommunications, Inc., Minnetonka, MN (US);
Abstract
A multi-point to point communication system. The system includes a distribution network between a head end terminal and a plurality of remote units, the head end terminal for downstream transmission of downstream control data and downstream telephony information in a first frequency bandwidth over the distribution network and for receipt of upstream telephony information and upstream control data in a second frequency bandwidth over the distribution network. The head end terminal including a head end multicarrier modem means for modulating at least downstream telephony information on a plurality of orthogonal carriers in a plurality of regions of the first frequency bandwidth and for demodulating at least upstream telephony information modulated on a plurality of orthogonal carriers of a plurality of regions in the second frequency bandwidth. The head end controller means operatively connected to the head end multicarrier modem means for controlling transmission of the downstream telephony information and downstream control data and for controlling receipt of the upstream control data and upstream telephony information. The system also includes a plurality of service unit modem means, each service unit modem means associated with at least one remote unit and operatively connected to the distribution network for upstream transmission of upstream telephony information and upstream control data in one of the plurality of regions of the second frequency bandwidth and for receipt of the downstream control data and downstream telephony information in one of the plurality of regions in the first frequency bandwidth.