Circuit for connection of at least two signal sources with...

Wave transmission lines and networks – Plural channel systems – Having branched circuits

Reexamination Certificate

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Details

C333S104000

Reexamination Certificate

active

07372345

ABSTRACT:
In a circuit for connection of at least two signal sources with at least one signal output, the signal sources are connected with a control unit. The control unit activates or deactivates the signal sources by transmission of control signals. Each signal source is connected with a blocking unit. Each blocking unit is connected with the control unit. The blocking unit can block or enable a connection between the signal source and the signal output, with the connection being automatically enabled when the signal source is activated.

REFERENCES:
patent: 4959873 (1990-09-01), Flynn et al.
patent: 5274343 (1993-12-01), Russell et al.
patent: 6452374 (2002-09-01), Kreischer
patent: 6677755 (2004-01-01), Belt et al.
patent: 7030614 (2006-04-01), Matschl et al.
patent: 2003/0107453 (2003-06-01), Kenington
patent: 2005/0206439 (2005-09-01), Struble

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