Telecommunications – Transmitter and receiver at separate stations
Patent
1982-12-06
1984-08-28
Bookbinder, Marc E.
Telecommunications
Transmitter and receiver at separate stations
179 2EB, 179 18B, 34082552, 34082555, 370 93, 455 54, H04B 726, G10L 108
Patent
active
044688130
ABSTRACT:
A digital voice storage system adapted for use in a multiple unit land mobile radio communications system. The system utilizes a PSK signalling system with fixed length data packets to control a system capable of multiple message storage of speech at mobile stations. Up to eight 64K dynamic RAMS are used in conjunction with a microprocessor to store up to 42 seconds of speech comprising up to eight separate messages. In addition, the system permits base interrogation of mobiles to determine if a message has been stored for review by the base operator and to determine the remaining recording capacity and total recording capacity of the mobile.
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Burke Timothy M.
Noble Scott W.
Schorman Eric R.
Smith Paul F.
Bookbinder Marc E.
Gillman James W.
Motorola Inc.
Motsinger F. John
Roney Edward M.
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