Multiple sink configuration supporting HDMI-CEC
First Claim
Patent Images
1. A network supporting HDMI-CEC comprising:
- a first HDMI-CEC display device chained to a second HDMI-CEC display device;
the first HDMI-CEC display device is coupled to an HDMI-CEC cluster tree comprising at least one HDMI-CEC source device; and
means for enabling the first HDMI-CEC display device and the second HDMI-CEC display device to control and communicate with the HDMI-CEC cluster tree using HDMI-CEC, as if only one of the HDMI-CEC display devices was coupled to the HDMI-CEC cluster tree.
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Abstract
Methods and devices for enabling a chain of displays to communicate with HDMI-CEC sources using HDMI-CEC. Also disclosed is a display device supporting picture-in-picture through two HDMI-CEC input ports, where each port communicates using HDMI-CEC with an HDMI-CEC source.
37 Citations
31 Claims
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1. A network supporting HDMI-CEC comprising:
- a first HDMI-CEC display device chained to a second HDMI-CEC display device;
the first HDMI-CEC display device is coupled to an HDMI-CEC cluster tree comprising at least one HDMI-CEC source device; and means for enabling the first HDMI-CEC display device and the second HDMI-CEC display device to control and communicate with the HDMI-CEC cluster tree using HDMI-CEC, as if only one of the HDMI-CEC display devices was coupled to the HDMI-CEC cluster tree. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
- a first HDMI-CEC display device chained to a second HDMI-CEC display device;
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11. A manipulating switch located within a first HDMI-CEC display device coupled to an HDMI-CEC cluster tree comprising at least one HDMI-CEC source device;
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the manipulating switch within the first HDMI-CEC display device is also coupled to a second HDMI-CEC display device; wherein the manipulating switch enables the first HDMI-CEC display device and the second HDMI-CEC display device to control and communicate with the HDMI-CEC cluster tree using HDMI-CEC as if only one of the HDMI-CEC display devices was coupled to the HDMI-CEC cluster tree. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A display device comprising a display element and a manipulating switch element;
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the display element comprises at least two HDMI-CEC input interfaces coupled to the manipulating switch, each HDMI-CEC input interfaces operative to receive data from a different HDMI-CEC cluster tree comprising at least one HDMI-CEC source device, and the different HDMI-CEC cluster trees at least partially overlap; and the manipulating switch operative to manipulate the HDMI-CEC communications to and from the HDMI-CEC source devices, and to control and communicate with the HDMI-CEC source devices using HDMI-CEC; the display element configured to support a picture-in-picture feature utilizing streams received from the HDMI-CEC cluster trees. - View Dependent Claims (21, 22, 23, 24, 25)
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26. A method for enabling picture-in-picture in a display device comprising at least two HDMI-CEC input ports, the method comprising:
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defining an HDMI-CEC network view for each HDMI-CEC input port of the display device;
each of the HDMI-CEC input ports operative to receive data from a different HDMI-CEC cluster tree;controlling the HDMI-CEC messages transmitted between each HDMI-CEC input port of the HDMI-CEC display device and its HDMI-CEC cluster tree; controlling the HDMI-CEC messages transmitted between the HDMI-CEC cluster trees; and enabling the selection of which of the HDMI-CEC source devices to route to which of the HDMI-CEC input ports using HDMI-CEC messages. - View Dependent Claims (27, 28, 29, 30, 31)
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Specification