Facsimile and static presentation processing – Facsimile – Multiplex
Patent
1991-01-24
1993-02-16
Brinich, Stephen
Facsimile and static presentation processing
Facsimile
Multiplex
358434, H04N 132
Patent
active
051875918
ABSTRACT:
Modulated data information having an individual one of different baud rates and aural information are converted at a transmitter from analog to digital form. A controller separately identifies the digitized aural and modulated data information and, if modulated data, identifies the baud rate of such modulated data. The aural information is separately transformed. For modulated data, the information is separately processed in accordance with the different baud rates. The individual ones of aural and modulated data are then introduced to a common line for packetizing. The beginning of each packet is labelled to identify whether the packet contains aural information (such as voice or music) or modulated data (such as modem or facsimile), and, if modulated data, the particular baud rate of such information. An individual code identifies the end of each packet. The packetized information is then multiplexed in a common bus with other packetized aural and data information. At a receiver connected to the common bus, the multiplexed information is separated into the different packets. The packetized information representing individual ones of aural information (such as voice or music) and modulated data (such as music or facsimile information) is separated, in accordance with the packet labels, into aural information and modulated data and, if modulated data, is introduced to an individual one of different modulators each operative at an individual one of the different baud rates. The aural information is then transformed substantially to its original form at the transmitter and the modulated data is separately processed in accordance with the different baud rates.
REFERENCES:
patent: 3992589 (1976-11-01), Kuegler
patent: 4279002 (1981-07-01), Rider
patent: 4847694 (1989-07-01), Nishihara
patent: 5003577 (1991-03-01), Ertz et al.
Guy Kenneth R.
Kameya Andrew M.
Wildfeuer Herbert M.
Brinich Stephen
Micom Communications Corp.
Roston Ellsworth R.
Schwartz Charles H.
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