Method and apparatus for downloading a code defining the channel

Details Method and apparatus for downloading a code defining the channel Method and apparatus for downloading a code defining the channel

1985-07-16

1987-06-30

Ng, Jin F.

Telecommunications

Interference signal transmission

455186, 358 86, 358349, 380 20, H04H 102, H04N 716

Patent

active

046776850

ABSTRACT:
A tuning mode command identifying the channel transmission format being used in an addressable CATV system is transmitted via a plurality of encoded CATV channels for downloading in subscriber home terminals. Downloading at the home terminals is effected by executing a plurality of sequential tuning cycles each comprising sequentially tuning successive CATV channels configured according to a different transmission format until a channel is tuned on which encoded data is being accurately received.

REFERENCES:
patent: 4079419 (1978-03-01), Siegle et al.
patent: 4460922 (1984-07-01), Ensinger et al.
patent: 4475123 (1984-10-01), Dumbauld et al.
patent: 4503462 (1985-03-01), Kelly et al.
patent: 4514761 (1985-04-01), Merrell et al.
patent: 4535355 (1985-08-01), Arn et al.
patent: 4536791 (1985-08-01), Campell et al.

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