Multiplex communications – Communication over free space – Combining or distributing information via time channels
Patent
1997-03-17
1999-11-16
Vu, Huy D.
Multiplex communications
Communication over free space
Combining or distributing information via time channels
370345, H04B 7212
Patent
active
059870206
ABSTRACT:
An intermittent transmission control system based on a TDMA system which involves a burst transmission, has a sound presence detector for detecting presence or absence of sound information to be transmitted on the basis of an aural signal input from a microphone; a switch unit for switching types of the burst transmission; and a call control processor for causing the switch unit to switch the types of the burst transmission in such a way that a normal burst transmission containing the sound information is performed if presence of the sound information is detected by the sound presence detector, whereas a reduced burst transmission containing time interval information of the burst transmission is performed if no burst transmission is performed for a predetermined time. The call control processor also causes the switch unit to switch the types of the burst transmission in such a way that the normal burst transmission containing Fast Associated Control Channel information is performed.
REFERENCES:
patent: 5596678 (1997-01-01), Wigren et al.
patent: 5644621 (1997-01-01), Yamashita et al.
patent: 5757788 (1998-05-01), Tatsumi et al.
Boakye Alexander
Frank Robert J.
OKI Electric Industry Co., Ltd.
Vu Huy D.
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