62 results about "Consumer Electronics Control" patented technology

The preferred embodiment of the present invention presents a method and a device for a host control unit to communicate over a protocol compliant bus via the introduction of an auxiliary command control unit that handles communications to and from the protocol compliant bus. The auxiliary command control unit converts the high level commands of the host control unit to low-level protocol compliant electrical signals for transmission across the bus and further converts low-level protocol compliant electrical signals received from the bus into high level commands for use by the host processor.

A High-Definition Multimedia Interface (HDMI) switch includes a plurality of peripheral device ports, each of which may be coupled to a corresponding peripheral device. The switch also includes a display device port for coupling to a display device. In one embodiment, the switch is configured to receive device identification information from one or more of the peripheral devices coupled to the peripheral device ports and to detect which of the peripheral device ports is an active port. The switch may then transmit the device identification information for the peripheral device coupled to the active port to a display device in accordance with an HDMI communication protocol, such as the consumer electronic control (CEC) protocol. In one embodiment, the peripheral device coupled to the active port is not configured to communicate according to the HDMI communication protocol.

A digital broadcast receiving apparatus which supports a high-definition multimedia interface-consumer electronics control (HDMI-CEC) function is provided including, an input part which inputs a user command; an HDMI interface part which communicates with a plurality of external devices; and a controller for synchronizing time information of the plurality of the external devices through the HDMI interface part, according to the user command. Accordingly, a synchronization of the plurality of external devices connected through the HDMI interface part can be achieved.

A media device and controlling method thereof are disclosed, by which consumer electronics control (CEC) support information is provided. The present invention includes a storage unit for storing E-EDID including information indicating whether the media sink device supports CEC, an interface unit corresponding to a data transceiving path between the media source device and the media sink device, and a control unit connected to the media source device to send the E-EDID including the CEC support information to the connected media source device via the interface unit.

A Consumer Electronics Control (CEC) control apparatus includes a vendor code acquisition instruction unit that queries a CEC device for a vendor code when connected to a CEC device, a control part provided with a storage unit capable of storing the reference location of stored CEC control information that corresponds to the acquired vendor code, a control information storage part which, for each vendor, pre-stores CEC control information corresponding to a plurality of vendors, and a photoreceptor unit having a received signal demodulation unit capable of receiving a signal from a remote control RC and demodulating the signal to acquire a CEC control signal. Based on the acquired vendor information, the control part acquires from the control information storage part control information corresponding to the vendor corresponding to the control signal transmitted from the remote control RC, and outputs the CEC control signal to the externally connected CEC device.

A method for providing service information and a video apparatus employing the same are provided. The method for providing service information includes transmitting a request message for service information provided by an external apparatus connected according to the High Definition Multimedia Interface Consumer Electronics Control (HDMI CEC) standard, and receiving a reply message for the service information from the external apparatus as a reply to the request message. Accordingly, the video apparatus provides service information provided by the external apparatus connected thereto to a user.

An electronic device includes a Consumer Electronic Control (CEC) device unit and a connected-device determination unit. The electronic device is capable of being connected to another electronic device having Extended Display Identification Data (EDID) information regarding capability, via a communication cable that enables transmission of video and audio data and enables exchange of connected-device control information. The connected-device determination unit determines a vendor of the other electronic device on the basis of at least one of the EDID information and a CEC message of the CEC unit obtained via the communication cable from the other electronic device, and changes processing on the basis of the vendor of the other device connected by the communication cable.

A flat high definition multimedia interface (HDMI) cable. The flat cable that is less visible in comparison to a round HDMI cable for wall mounted television setup. An HDMI connector is coupled to the flat cable. An active circuit isolates physical characteristics of the HDMI connector. The active circuit causes the flat cable to appear shorter than its actual length during HDMI compliance testing using impedance testing. Moreover, the active circuit causes a consumer electronic control (CEC) line, a display data channel (DDC) line and transition minimized differential signal (TMDS) line to actively terminate for reducing parasitic capacitance from the length of the flat cable during HDMI compliance testing. Thus, the isolation allows the flat cable to satisfy HDMI compliant testing. The flat cable may be selected from a group consisting of ribbon cable, twisted pair cable, flexible printed circuit board, micro coax cable, optical cable and glass fiber cable.

A display device includes: a display unit; a video processing unit which performs video processing to display a video signal on the display unit; a communication unit which communicates with an external device which provides the video signal according to a High Definition Multimedia Interface-Consumer Electronics Control (HDMI-CEC) standard; and a controller which controls the communication unit to transmit a command for the device to perform a series of functions to the external device to be controlled on booting.

Image apparatuses capable of communicating with each other and a method of controlling the image apparatuses include the image apparatuses that communicate with each other using a high definition multimedia interface-consumer electronic control (HDMI-CEC) method. The keys provided to a remote controller to control a first image apparatus are mapped to a key code used to control the second image apparatus communicating with the first image apparatus. Therefore, the second image apparatus connected to the first image apparatus is also controlled by using the remote controller to control the first image apparatus.

A network device for a home entertainment network including a network controller configured to provide Ethernet communication capability, HEC, and CEC, consumer electronics control, communication capability, and a database generator unit configured to generate a database containing information about a network device of the home entertainment network, and a unique identifier of the respective network device.

A method for providing information on types of image apparatus being used and an image apparatus adopting the same are provided. The method for providing information on the types of image apparatus being used includes transmitting a request message to external devices inquiring whether or not the external device which is connected using a high definition multimedia interface consumer electronics control (HDMI CEC) standard is a device of a particular type, and receiving from the external devices a response message answering whether or not the external device is a device of the particular type, in response to the request message. Accordingly, information on the type of connected external devices is obtained, and a list of external devices or a menu of external devices is provided according to the obtained type to the user so that the user can use the image apparatus more conveniently.

A display device includes: a display unit; a video processing unit which performs video processing to display a video signal on the display unit; a communication unit which communicates with an external device which provides the video signal according to a High Definition Multimedia Interface-Consumer Electronics Control (HDMI-CEC) standard; and a controller which controls the communication unit to transmit a command for the device to perform a series of functions to the external device to be controlled on booting.

An inactive information providing method of a video apparatus includes, in an inactive mode, generating an inactive message which provides notification of the inactive mode; and transmitting the inactive message to an external device connected according to a High Definition Multimedia Interface (HDMI) Consumer Electronics Control (CEC) specification.

A software or hardware agent running on a personal computing device provides allows application programs to interact with consumer electronic devices using standardized controls. The consumer electronic devices appear to be directly connected to the personal computing device rather than being connected over a high definition multimedia interface (HDMI) network. This enables a user to control the consumer electronic devices using a single interface rather than a separate interface for each consumer electronic device. The agent enumerates a universal serial bus (USB) human interface device (HID) for each consumer electronic device reported on the HDMI network. The USB HIDs represent the specific capabilities of the each one of the consumer electronic devices.

A high definition multimedia interface using a modified format switcher for controlling electronic hardware. The modified format switcher enables infrared, RS-232, TCPIP, audio, and consumer electronics control interconnection with the high definition multimedia interface.

The Installation is equipped with a power supply unit and a High-Definition Multimedia Interface (HDMI), this installation being able to be connected to a second HDMI device with which it can communicate by using a protocol defined in the HDMI Standard, this installation or device being able to be set in Standby or Power-down mode and to be removed from this Standby or Power-down mode by said second HDMI device via a Consumer Electronic Control (CEC) line. The installation has a Power Management Unit (PMU) arranged on the primary side of said power supply unit, this PMU having its own power supply circuit directly connected to the power supply source of this installation or device and being arranged for switching OFF the electrical energy on the secondary side of said power supply unit when this installation or device enters said Standby or Power-down mode.

Mechanisms for controlling an audio level of an HDMI audio system are provided, the mechanisms comprising: causing audio data to be presented by an HDMI audio system at a current system volume level; receiving a requested volume level from a second screen device; and controlling a system volume level by: (a) determining the current system volume level; (b) determining a change in volume based on a difference between the requested volume level and the current system volume level; (c) determining a direction in which to cause the system volume level to change; (d) sending a volume control message to the system using a consumer electronic control bus connected to the system indicating whether to increase or decrease the system volume level based on the determined direction of system volume change; and (e) repeating (a)-(d) until the current system volume level reaches a predetermined value.

The embodiment of the present disclosure discloses a method, device, and terminal for adjusting the brightness of a TV, wherein the method includes: detecting a brightness adjustment trigger action for adjusting the brightness of the TV; determining the TV ID according to the brightness adjustment trigger action and a brightness adjustment value; generate a brightness control instruction including the TV logo and the brightness adjustment value; send the brightness control instruction to the consumer electronics control channel CEC bus in the HDMI interface. The technical solution of the present disclosure is based on the extended HDMI protocol, and sends a brightness control command including a TV ID and a brightness adjustment value to the TV through the CEC bus in the HDMI interface, so that the TV corresponding to the TV ID receives the brightness control command , and adjust the screen display brightness of the TV set according to the brightness adjustment value, so as to adjust the screen display brightness of the TV set through the set-top box.

Parental control settings are provided to a display device by a user. In one embodiment, the display device generates a message, such as a consumer electronic control (CEC) message, which corresponds to the user-provided parental control settings. This message may then be transmitted to one or more source devices to which the display device is connected via an HDMI interface. The HDMI-connected devices may then modify or otherwise conform their own parental control settings in accordance with the parent control data in the received message. In one embodiment, the display device may then receive content from the HDMI-connected devices which has already been pre-filtered in accordance with the parental control settings that were provided directly to the display device.

The invention discloses a method for implementation of automatic networking between master and slave devices. The method includes: starting two intelligent devices to carry out HDMI (high-definition multimedia interface) CEC (consumer electronics control) connection monitoring, and starting WIFI (wireless fidelity) connection at the same time; after HDMI CEC connection between the master and slave devices succeeds, if the master device is successfully connected with an AP (access point) by means of WIFI connection, enabling the master device to send information that the master device is in connection with the AP to the slave device by means of HDMI CEC; after the slave device acquires the information that the master device is in connection with the AP and the slave device is successfully connected with the AP, establishing network services, and sending a service port and an IP (internet protocol) address of the slave device to the master device by means of HDMI CEC; after the master device acquires the service port and IP information of the slave device by means of HDMI CEC, adopting a WIFI network to communicate in a same local network to establish C / S (client / server) communication. Therefore, data transfer between the master device and the slave device by means of C / S communication of the local network in WIFI connection can be realized while data transferring capacity of the HDMI CEC is kept to realize notification of device networking conditions and message exchange, and accordingly automation and quickness in networking of the two devices is realized while reliability in networking of the two devices is guaranteed.

An electronic device for controlling a peripheral device includes a data processing unit for receiving a control command and transforming the control command into a first command, a command processing unit coupled to the data processing unit, for decoding the first command to obtain a task of the peripheral device and encoding the task to generate a second command, and a transformation unit coupled to the command processing unit and the peripheral device, for transforming the second command into a third command of a consumer electronic control format, for controlling operations of the peripheral device.

The invention is applicable to the technical field of high-definition devices and provides a method and a device for switching playing devices. The method comprises the steps of establishing virtual consumer electronics control (CEC) switchers in playing devices having the high definition multimedia interface (HDMI) function; and switching communication right among CEC devices which are connected with playing devices through virtual CEC switchers, so that communication is established between CEC devices having the communication right and playing devices. According to the method and the device, virtual CEC switchers are established in playing devices having the HDMI input function, and the communication right is switched among CEC devices which are connected with playing devices, so that the communication is established between CEC devices connected with playing devices and digital televisions.

The invention relates to a high-definition multimedia interface (HDMI)-consumer electronics control (CEC) function prompting control method and an HDMI-CEC function prompting display device. The HDMI-CEC function prompting display device comprises a control part, a display and an HDMI signal processing part, wherein the control part is used for receiving a control signal from a remote controller; the display displays an image under the control of the control part; the HDMI signal processing part is coupled with the control part and a peripheral device which has an HDMI-CEC function; and when the remote controller controls the peripheral device by the control part and the HDMI signal processing part, the image can display a function key prompting pattern, corresponding to the peripheral device, of the remote controller. The invention also provides an HDMI-CEC function prompting control method.

Mechanisms for managing output of an HDMI source are provided. In accordance with some implementations of the disclosed subject matter, a method for controlling output of an HDMI source is provided, the method comprising: establishing a connection between the HDMI source and an HDMI sink at a first address of a consumer electronic control bus of the HDMI sink; sending a request for an identity of the active source connected to the HDMI sink; monitoring signals on the consumer electronic control bus; receiving a message over the consumer electronic control bus identifying a second address on the consumer electronic control bus different from the first address as an address of an active source; setting a status of the HDMI source as inactive in response to receiving the message; and inhibiting output of video from the HDMI source to the HDMI sink in response to the status being set as inactive.