Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network
Patent
1995-05-04
1997-12-02
Bost, Dwayne
Telephonic communications
Having light wave or ultrasonic link for speech or paging...
Including fiber optic link within telephone network
34082544, 379 89, H04M 1100, H04Q 708
Patent
active
056944543
ABSTRACT:
A communication system (100) providing analog message re-transmission on demand comprises a base station (114) and at least one portable communication transceiver (118). The base station (114) transmits an address (414) identifying the portable communication transceiver (118) to which a voice message is directed, and a session number (415) modulated in a first modulation format and a compressed analog message (418) representing the voice message modulated in a second modulation format. When the signal quality of the voice message played back in the portable communication transceiver (118) is perceived by the user to be unintelligible, the user can receive from the base station (114) a re-transmission of the compressed analog message (418) by generating a request for re-transmission of the compressed analog message (418).
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Choi Kwok Keung
Dang Tri Thien
Hill Thomas Casey
Hufferd III Lowell C.
Bost Dwayne
Macnak Philip P.
Motorola Inc.
Richardson S. H.
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