Abstract: The present invention relates to an antenna which is configured to plug into a retractable connector on an electronic apparatus. Some embodiments of the present invention may be configured to plug into common RJ-11 or RJ-45 jacks allowing devices equipped with these jack to utilize external antennas to increase range and functionality. Further, some embodiments of the present invention comprise at least a partial ground plane located in the antenna plug which connects to a jack. The present invention also comprises connectors such as RJ jacks which comprise ground plane elements which may be used to improve antenna range and efficiency.
Type:
Grant
Filed:
October 12, 1999
Date of Patent:
October 22, 2002
Assignee:
3Com Corporation
Inventors:
Jeffrey L. Jones, David Oliphant, David Andrus, Tom Johnson