Methods and devices for CEC propagation control

Details Methods and devices for CEC propagation control Methods and devices for CEC propagation control

2011-07-26

2011-07-26

Tseng, Cheng-Yuan (Department: 2184)

Electrical computers and digital data processing systems: input/

Input/output data processing

Input/output expansion

C710S008000

Reexamination Certificate

active

07987296

ABSTRACT:
A CEC propagation control function, operated by a manipulating switch coupled to a first, second, and third HDMI-CEC devices, enables the manipulating switch to receive a CEC block from the first HDMI-CEC device, pass the received CEC block to the second HDMI-CEC device, and prevent the third HDMI-CEC device from receiving the CEC block, although the manipulating switch is coupled to the third HDMI-CEC device. The manipulating switch may also be implemented as a network.

REFERENCES:
patent: 7822879 (2010-10-01), Lida et al.
patent: 2006/0067690 (2006-03-01), Tatum
patent: 2007/0242062 (2007-10-01), Guo et al.
patent: 2008/0068287 (2008-03-01), Day
patent: 2008/0126577 (2008-05-01), Bae
patent: 2008/0162725 (2008-07-01), Kambhatla
patent: 2009/0251605 (2009-10-01), Hsiao
High-Definition Multimedia Interface Specification Version 1.3, Jun. 2006, HDMI Licensing, LLC., pp. 124, CEC-1, 3, 12, 24.

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