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:
Oct. 12, 1999
Filed:
Apr. 14, 1997
Brian Lawrence Buckler, Calgary, CA;
David Jeffrey Westergaard, Calgary, CA;
Zygmunt Pasturczyk, Calgary, CA;
Alan David Eyre, Calgary, CA;
Nortel Networks Corporation, Montreal, CA;
Abstract
An apparatus and method for remotely answering a door. The apparatus includes a switch, a telephone transmitter and an a telephone receiver positioned near the door. At least one telephone station is operable to place a telephone call to a remote telephone identified by a pre-determined telephone number. An interface detects actuation of the switch and signals the telephone station to place the telephone call in response to actuation of the switch and places the telephone transmitter and receiver in communication with the telephone to establish telephonic communication between the telephone transmitter and receiver and the remote telephone.