Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Patent
1984-08-03
1986-09-16
Lev, Robert G.
Telecommunications
Receiver or analog modulated signal frequency converter
Signal selection based on frequency
455 56, 455 33, H04B 100
Patent
active
046124152
ABSTRACT:
A method and means for controlling telephone interconnect traffic on a trunked radio system is described. The present invention continuously monitors all types of communication traffic on the system and in response to an increasing dispatch access delay, reserves certain repeaters for dispatch use only during a predetermined period. The present invention also contemplates a system in which the number of simultaneous telephone interconnect calls permitted on the system during a predetermined period is dynamically altered in response to system loading. In addition, the present invention establishes a variable, periodically updated, maximum interconnect call length based on the current system dispatch access delay.
REFERENCES:
patent: 3764915 (1973-10-01), Cox et al.
patent: 3786199 (1974-01-01), Rimbach, Jr.
patent: 4414661 (1983-11-01), Karlstrom
patent: 4435840 (1984-03-01), Kojima et al.
Hess Garry C.
Zdunek Kenneth J.
Jacobson, Jr. James E.
Lev Robert G.
Motorola Inc.
Roney Edward M.
Southard Donald B.
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