In-house communication system for transmitting and receiving both voice and digital data, and communication terminals used in this system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Feb 3, 1998
Grant Date -
N/A
app pub date -
Feb 6, 1995
filing date -
Feb 9, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An in-house communication system comprises a PBX and a line switching device 15 electively connected to a telephone 18 or a facsimile equipment 17 in response to a designating signal sent from an intended party designating signal sending device 6 or 42 of the PBX, thereby providing both facsimile and telephone service directly available in each guest room of a hotel without renovating the telephone wiring in the facility.
First Claim
Family
International Classification(s)
Cited Art Landscape
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