Telecommunications – Transmitter and receiver at separate stations
Patent
1985-03-26
1987-07-21
Ng, Jin F.
Telecommunications
Transmitter and receiver at separate stations
455 4, 455 21, 455 54, H04B 700
Patent
active
046823689
ABSTRACT:
A mobile radio data communication system wherein a fixed unit transmits an operation command code sequence for an instruction to an operator having a portable unit. A speech synthesizer of the portable unit is responsive to the command code sequence to generate a speech signal which is audible to the operator. In response to the audible instruction, the operator replies by voice, and the speech signal is supplied to a speech recognition circuit which sends a code associated with the speech signal to the fixed unit.
REFERENCES:
patent: 4144412 (1979-03-01), Ito et al.
patent: 4247947 (1981-01-01), Miyamoto
patent: 4426733 (1984-01-01), Brenig
patent: 4495647 (1985-01-01), Burke et al.
NEC Corporation
Ng Jin F.
Seidenglanz Elissa
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