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Connection of more than three playback devices with hdmi CEC link

A technology of connecting to and interfacing, applied in the field of connection of more than three playback devices and HDMI CEC link

Active Publication Date: 2017-11-28
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While generally one TV and one audio system is usually sufficient, the limit of only three player allocations may not always be sufficient

Method used

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  • Connection of more than three playback devices with hdmi CEC link
  • Connection of more than three playback devices with hdmi CEC link
  • Connection of more than three playback devices with hdmi CEC link

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Embodiment Construction

[0019] While the invention is susceptible to embodiments in many different forms, specific embodiments are shown in the drawings and will be described in detail herein, it being understood that the present disclosure of such embodiments It is to be considered an example of principles and is not intended to limit the invention to the particular embodiments shown and described. In the following description, like reference numerals are used to describe the same, similar or corresponding parts throughout the several views of the drawings.

[0020] Reference throughout this document to "one embodiment," "certain example embodiments," "example," "an embodiment," "an example," "implementation," or similar terms means that in conjunction with the embodiments, examples, or An implementation describes that a particular feature, structure, or characteristic is included in at least one embodiment, example, or implementation of the invention. Thus, the appearances of such terms in various...

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Abstract

This application relates to the connection of more than three playback devices to an HDMI CEC link. In particular, it relates to a method of operating an HDMI port. The HDMI port controller assigns a virtual address when the maximum number of HDMI CEC addresses is exceeded and the CEC logical address is duplicated with only one HDMI port corresponding to a device with a CEC logical address that has its port enabled at any given time . This abstract should not be considered limiting, as other embodiments may deviate from the features described in this abstract.

Description

[0001] Copyright and Trademark Notice [0002] Portions of the disclosure of this patent document contain material that is subject to copyright protection. The copyright owner has no objection to the facsimile reproduction of the patent document or the patent disclosure as it appears on the Patent and Trademark Office patent file or records, but all copyright rights are reserved. Trademarks are the property of their respective owners. technical field Background technique [0003] HDMI (High-Definition Multimedia Interface) has become a popular standard for connecting audio-video devices with televisions and the like. Due to this popularity, more and more devices are connected to televisions (TVs) using HDMI cables. If these devices support HDMI CEC (Consumer Electronics Control) capability, CEC commands can be used to control these devices. [0004] In order to function as an HDMI CEC device, a device is assigned a logical address. However, according to current industry ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N21/41H04N21/436H04N21/432H04N21/433
CPCG09G5/006G09G2370/20G09G2370/22G09G2370/12G09G2370/06H04N5/44G06F13/385
Inventor 弘中隆
Owner SONY CORP