H - Electricity – 04 – M
Patent
H - Electricity
04
M
H04M 9/00 (2006.01) H04M 1/02 (2006.01) H04M 11/02 (2006.01)
Patent
CA 2073571
90-5052 DOOR ANSWERING SYSTEM Abstract of the Disclosure A door answering system is described for enabling the occupant of a structure (e.g., house, apartment, etc.) to provide a pre-recorded message to a visitor who has approached the entrance of the structure. The system includes a speaker/ microphone and a call switch at the entrance for the visitor. Inside the structure there is a recorder/player for playing a pre-recorded message and recording a message left by the visitor.
Arnold Gregory J.
Marrick Paul J. T.
Sauter Rudolph A.
Arnold Gregory J.
Marrick Paul J. T.
Sauter Rudolph A.
Smart & Biggar
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