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. 18, 1996
Filed:
Jul. 01, 1994
David L Weigand, Buffalo Grove, IL (US);
Ralph D Smallwood, Sleepy Hollow, IL (US);
Matthew W Taylor, Wheeling, IL (US);
Motorola, Inc., Schaumburg, IL (US);
Abstract
A personal phone expansion system (10) includes a personal base station (12) and a plurality of portable units (18). The personal base (12) is connected to a phone line (16) and provides routing and switching between the phone line (16), the portable units (18), a full duplex speaker phone (24), and a voice messaging system (26). The voice messaging system (26), which is contained within the personal base station (12) provides full voice mail functions. The personal base station (12) communicates with the portable units (18) by radio signals through a wireless interface (32). The portable units (18) can be used as standard cellular telephones when outside the range of the personal base station (12).