Information transmission system, information output...

Details Information transmission system, information output... Information transmission system, information output...

2007-02-13

2007-02-13

Miller, John (Department: 2623)

Interactive video distribution systems

Operator interface

To facilitate tuning or selection of video signal

C725S048000, C725S059000

Reexamination Certificate

active

09708256

ABSTRACT:
A control section of an IRD sends an identification start request to a digital bus via a digital input/output terminal. The control section generates an identification display message by controlling an identification display message generation section, makes a superimposition section superimpose the identification display message on an analog video signal, and outputs a resulting signal via an analog output terminal. An information input apparatus allows a user to identify an input terminal connected to the output terminal of the IRD among a plurality of input terminals of the self apparatus by reproducing the identification display message and presenting it to the user.

REFERENCES:
patent: 6219839 (2001-04-01), Sampsell
patent: 6588012 (2003-07-01), Tanaka et al.
patent: 0 843 468 (1998-05-01), None
patent: WO 99/35856 (1999-07-01), None
patent: WO 00/13408 (2000-03-01), None

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