System for the diffusion of data

Details System for the diffusion of data System for the diffusion of data

1980-01-24

1982-02-23

Psitos, Aristotelis M.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

H04N 708

Patent

active

043171320

ABSTRACT:
In a system for broadcasting data in combination with a television signal, he emitting station broadcasts, sets (blocks) of data which may be in-coming from several paths, the sets of data being time multiplexed. The present invention makes it possible to use the same television broadcast system, regardless of the television standards which may be used, with a minimum of modifications in the conventional television receivers. The frequence of the binary elements used to transmit data is made to vary as a function of the band width of the television signal which in turn, corresponds to the TV broadcast used in the area where the data is broadcast.

REFERENCES:
patent: 4058830 (1977-11-01), Guinet et al.
patent: 4196447 (1980-04-01), Dalke

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