Remote trading call terminals in a trading call system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 17, 2001
Grant Date -
N/A
app pub date -
Dec 27, 1996
filing date -
Dec 28, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A trading communication system. A line control unit includes a channel switch circuit, a number of line trunks connected to the channel switch circuit and adapted to be connected to a line network, and a number of line circuits connected to the channel switch circuit. A number of first terminal adaptors are connected to the line circuits. Some of the first terminal adaptors are adapted to be connected to a commercial switched circuit, while one of the first trading call terminals is connected to one of the first terminal adapters. A number of second trading call terminals are at locations remote from the line control unit. A number of second terminal adaptors are connected to the second trading call terminals and are adapted to be connected to the commercial switched circuit to connect the channel switch circuit to the second trading call terminals. The line control unit transfers environmental information about the trading communication system through the first terminal adapters, the commercial switched circuit, and the second terminal adapters to the second trading call terminals.
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