Multiplex communications – Communication techniques for information carried in plural... – Combining or distributing information via frequency channels
Patent
1996-04-01
1998-01-13
Hsu, Alpus H.
Multiplex communications
Communication techniques for information carried in plural...
Combining or distributing information via frequency channels
370527, 370529, H04J 312
Patent
active
057086621
ABSTRACT:
A CPU enables an FM tuner, a tuning controller and an FM multiplex decoder, after which the CPU is disabled. The FM tuner, tuning controller and FM multiplex decoder receives frame data including emergency information transmitted from a broadcasting station. When a packet coincidence circuit determines that the received block is a specific block which may include emergency information, the FM multiplex decoder causes an emergency information determining circuit to determine if the associated packet contains emergency information. If this packet contains emergency information, the emergency information determining circuit sends an interrupt signal to the CPU to enable the CPU. The CPU then reproduces the emergency information in the received data and displays it on a display section.
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patent: 4518822 (1985-05-01), Martinez
patent: 5065398 (1991-11-01), Takashima
patent: 5119503 (1992-06-01), Mankovitz
patent: 5497372 (1996-03-01), Nankoh et al.
patent: 5511073 (1996-04-01), Padovani et al.
patent: 5572201 (1996-11-01), Graham et al.
Casio Computer Co. Ltd.
Hsu Alpus H.
Yao Kwang Bin
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