Device for controlling decoder extension cards and universal...

Details Device for controlling decoder extension cards and universal... Device for controlling decoder extension cards and universal...

2008-05-20

2008-05-20

Pham, Brenda (Department: 2616)

Multiplex communications

Channel assignment techniques

Details of circuit or interface for connecting user to the...

C370S537000

Reexamination Certificate

active

07376145

ABSTRACT:
A device for controlling decoder extension cards and universal extension cards, comprising a card reader, control circuit and a processor, characterized in that the receiver (1) is connected via the control circuit (2) with the processor (2), select circuit (4) and a card reader (9) connected with a power supply circuit (8), and to the card reader (9) three buffers are connected, where the card reader (9) is connected via the first buffer (5) and the second buffer (6) with the processor, and via the third buffer (7) with the control circuit (2).

REFERENCES:
patent: 5519839 (1996-05-01), Culley et al.
patent: 5768615 (1998-06-01), Castell et al.
patent: 5793989 (1998-08-01), Moss et al.
patent: 6209050 (2001-03-01), Iho et al.

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