H - Electricity – 04 – M
Patent
H - Electricity
04
M
352/10.3
H04M 1/64 (2006.01) H04M 3/487 (2006.01)
Patent
CA 1198514
MESSAGE DELIVERY SYSTEM ABSTRACT OF THE DISCLOSURE A message delivery system is described which in- cludes a plurality of announce units, each of which includes means for storing a respective message segment. A controller activates selected ones of the announce units in sequence in order to broadcast a message made up of a plurality of message segments to a number of line interface units. Each of the line interface units is connected to a respective telephone line and acts to transmit the message to the as- sociated telephone line. The controller activates selected ones of the announce units which store selected message segments in a predetermined sequence such that a total mes- sage made up of a number of separate segments is broadcast to the line interface units. Each message segment is re- corded with an end of segment signal which is detected by the announce unit at the end of the respective segment. Each announce unit generates an end of segment signal which is used by the controller in order automatically to se- quence the announce units in the proper order. Because the message is divided into a plurality of segments, it is pos- sible to change only one segment without disturbing other portions of the message. Furthermore, if any single an- nounce unit fails, remaining announce units continue to deliver remaining portions of the message. In this way the disclosed message delivery system continues to operate at reduced capacity in the event of failure of one or more of the announce units.
421137
Buchberger Gregory
Theis Peter F.
Meredith & Finlayson
Theis Peter F.
LandOfFree
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