Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1980-01-28
1982-01-19
Nusbaum, Mark E.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
34082501, 455 59, 455 69, 371 11, H04B 166
Patent
active
043118771
ABSTRACT:
A system for use with equipment designed for transmitting a relatively wideband signal over two or more relatively narrowband circuits so as to provide good overall system reliability even though the relability of the individual narrowband circuits is poor.
REFERENCES:
patent: 3684838 (1972-08-01), Kahn
patent: 3696298 (1972-10-01), Kahn et al.
patent: 3715503 (1973-02-01), Jungbluth et al.
patent: 4011542 (1977-03-01), Baichtal et al.
patent: 4017828 (1977-04-01), Watanabe et al.
patent: 4018996 (1977-04-01), Kahn
Kahn, "Specifications, Line Guard, No. LG-6", Kahn Communications, Inc., 1976.
Kemeny E. S.
Nusbaum Mark E.
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