Secondary ID usage in a subfleet call

Details Secondary ID usage in a subfleet call Secondary ID usage in a subfleet call

1991-11-18

1994-03-08

Eisenzopf, Reinhard J.

Telecommunications

Transmitter and receiver at separate stations

455 541, 4551861, H04B 700, H04B 1702

Patent

active

052936449

ABSTRACT:
A communications system provides subfleet calls for both voice and data communications using a secondary identification (301, 303, 305, 307, 309) incorporating a plurality of subfleets in a hierarchical arrangement. A message including the secondary identification (301, 303, 305, 307, 309) is transmitted to a communication unit (117) having a stored secondary identification (301, 303, 305, 307, 309). If the transmitted secondary identification sufficiently matches the stored secondary identification, the communication unit (117) responds to the instructions in the transmitted message.

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patent: 4817190 (1989-03-01), Comroe et al.
patent: 5010547 (1991-04-01), Johnson et al.
patent: 5014345 (1991-05-01), Comroe et al.

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