CN103220484B - Consumer electronic control integration device and system - Google Patents

Abstract

The invention discloses a consumer electronic control integration device and a system. Wherein, the high-definition multimedia interface is used for connecting a multimedia device; the command receiver is used for receiving a control command sent by the controller; the signal converter is coupled with the command receiver and used for converting the control command into a corresponding consumer electronic control signal; the signal transmitter is coupled to the signal converter and the high-definition multimedia interface, and is used for transmitting the consumer electronic control signal to the multimedia device through the high-definition multimedia interface so as to control the multimedia device to execute a function corresponding to the control instruction.

Description

Consumer electronics control integration device and system

technical field

The invention relates to a control device and system, in particular to a consumer electronics control integration device and system.

Background technique

High-definition multimedia interface (High-Definition Multimedia Interface, HDMI) has become an indispensable interface in current high-definition TVs. Usually, high-definition multimedia players will use HDMI to transmit the content of multimedia files to the TV. playback, such as Blu-ray players, PCs, etc. In general use, the multimedia player will have its own remote control to control playback, fast forward, reverse, etc., and the TV end will also have its own remote control to control the functions of the TV. If an audio amplifier is also configured between the multimedia player and the TV, the audio amplifier will also have its own remote control to control the audio. At this time, if the user wants to watch a movie, he needs to take 2 or 3 remote controllers at the same time to set all the devices in place.

For communication between multimedia devices, the HDMI specification defines a Consumer Electronics Control (CEC) function. Multimedia devices can use this CEC function to control devices other than themselves, so users only need one The remote control can control all devices.

At present, various manufacturers have proposed the CEC function technology used in their own devices, such as Sony (SONY) Bravia sync, Samsung (Samsung) Anynet+, LG (LG) Simplink, International (Panasonic) VIERALink, etc., These technologies all use the CEC function to achieve the purpose of controlling all devices with one remote control. However, the actual situation is that each brand will only declare that it is compatible with its own brand's CEC function, but there are problems in the compatibility of CEC functions between different brands.

For example, FIG. 1 is a schematic diagram of a known consumer electronics control system 10 . Please refer to Fig. 1, when the TV 11 of brand A and the multimedia player 12 of brand B are connected together through the HDMI port 13, although both the TV 11 and the multimedia player 12 themselves have the function of CEC, due to different brands, The CEC functions supported by both may be only a part, thus causing a problem of CEC compatibility. As a result, the TV 11 of brand A may not be able to fully control the CEC function provided by the multimedia player 12 of brand B.

Contents of the invention

The invention provides a consumer electronic control integration device and system, which can solve the compatibility problem of control functions of multimedia devices of different brands.

The invention proposes a consumer electronics control (CEC) integrated device, which includes a high-definition multimedia interface, a command receiver, a signal converter and a signal transmitter. Among them, the high-definition multimedia interface (HDMI) is used to connect multimedia devices; the command receiver is used to receive the control commands sent by the controller; the signal converter is coupled to the command receiver to convert the control commands into corresponding consumer Electronic control signal: the signal transmitter is coupled to the signal converter and the high-definition multimedia interface, and is used to send the consumer electronic control signal to the multimedia device through the high-definition multimedia interface, so as to control the multimedia device to execute the function corresponding to the control command.

In an embodiment of the present invention, the above-mentioned consumer electronic control integration device is connected to one of the multiple high-definition multimedia interface ports of the multimedia display device through the high-definition multimedia interface, and connected to the At least one multimedia playback device connected to other multimedia interface ports, wherein the high-definition multimedia interface ports are connected to each other.

In an embodiment of the present invention, the above-mentioned signal transmitter includes one of the high-definition multimedia interface ports that transmit the consumer electronics control signal to the multimedia display device through the high-definition multimedia interface, and through the high-definition multimedia interfaces connected to each other The multimedia interface port transmits the consumer electronic control signal to at least one multimedia playback device, so as to control these multimedia playback devices to execute the functions corresponding to the control instructions.

The invention proposes a consumer electronics control integration system, which includes a multimedia device, a controller and a control integration device. The control integration device includes a high-definition multimedia interface, a command receiver, a signal converter and a signal transmitter. Wherein, the high-definition multimedia interface is used to connect the multimedia device, in other words, the high-definition multimedia interface is connected to one of the high-definition multimedia interface ports of the multimedia device; the command receiver is used to receive the control command sent by the controller; The signal converter is coupled to the command receiver to convert the control command into a corresponding consumer electronic control signal; the signal transmitter is coupled to the signal converter and the high-definition multimedia interface to convert the consumer electronics through the high-definition multimedia interface. The electronic control signal is sent to the multimedia device to control the multimedia device to execute the function corresponding to the control instruction.

In an embodiment of the present invention, the above-mentioned instruction receiver receives the control instruction sent by the controller through a wired or wireless transmission interface, wherein the wired or wireless transmission interface includes Universal Serial Bus (Universal Serial Bus, USB), RS -232 interface, infrared transmission interface, bluetooth transmission interface, radio transmission interface or wireless fidelity (Wireless Fidelity, Wi-Fi) transmission interface.

In an embodiment of the present invention, the above-mentioned control integration device further includes at least one control button, wherein each control button is coupled to the command receiver for triggering the generation of a corresponding control command and providing it to the command receiver.

In one embodiment of the present invention, the above-mentioned multimedia device is a multimedia display device, which includes a plurality of high-definition multimedia interface ports for connecting to the high-definition multimedia interface of the control integration device and at least one multimedia playback device, wherein the The above-mentioned high-definition multimedia interface ports are connected to each other.

In an embodiment of the present invention, the above-mentioned signal transmitter includes one of the high-definition multimedia interface ports that transmit the consumer electronics control signal to the multimedia display device through the high-definition multimedia interface, and through the high-definition multimedia interfaces connected to each other The multimedia interface port transmits the consumer electronic control signal to at least one multimedia playback device, so as to control these multimedia playback devices to execute the functions corresponding to the control instructions.

Based on the above, the consumer electronics control integration device and system of the present invention use an independent device to integrate the complete consumer electronics control functions in the HDMI specification, and use HDMI to connect the device with other multimedia devices. With the use of a universal remote control, the CEC integrated device can convert the control commands of the universal remote control into corresponding CEC signals to transmit to the multimedia devices, so as to achieve the purpose of using a single remote control to control all multimedia devices .

In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following specific embodiments are described in detail together with the accompanying drawings.

Description of drawings

FIG. 1 is a schematic diagram of a known consumer electronics control system.

FIG. 2 is a block diagram of a CEC integration system according to an embodiment of the present invention.

FIG. 3 is a schematic diagram showing the concept of CEC control according to an embodiment of the present invention.

FIG. 4 is a block diagram of a consumer electronic control integration device according to an embodiment of the present invention.

FIG. 5 is a circuit diagram of a multimedia device according to an embodiment of the invention.

Description of main component symbols:

10: Consumer electronics control system

11: TV

12, 22: Multimedia player

13, 51, 52, 53: HDMI port

20: CEC integration system

21: Multimedia display

23, 40: CEC integration device

24: Remote control

41: High Definition Multimedia Interface

42: Command receiver

43: Signal Converter

44: Signal transmitter

50: Multimedia device

54: CEC signal receiver

55: switcher

56: Display

detailed description

Currently, TVs on the market are equipped with more than one set of High-Definition Multimedia Interface (HDMI) ports, which can provide different HDMI devices for connection. Wherein, the control lines serving as consumer electronics control (Consumer Electronics Control, CEC) in each HDMI port are all connected together inside the TV. Such a connection method allows the TV to control the HDMI devices connected to each HDMI port through CEC; conversely, each HDMI device can also control the TV through CEC; in addition, it is more special that each HDMI device can also be controlled by other HDMI devices to control. The present invention is a CEC integration solution proposed based on the above situation.

FIG. 2 is a block diagram of a CEC integration system according to an embodiment of the present invention. Please refer to FIG. 2 , this embodiment utilizes the principle that the CEC signals inside the TV are connected together and can control each other, and the multimedia display 21 , the multimedia player 22 and the CEC integration device 23 are connected through HDMI to form a CEC integration system 20 . Among them, the CEC integration device 23 provides complete CEC functions in the HDMI specification, and can control multimedia displays 21 and multimedia players 22 of different brands to achieve complete CEC control.

For example, FIG. 3 is a schematic diagram showing the concept of CEC control according to an embodiment of the present invention. Please refer to Figure 3. When the multimedia player of brand B needs a CEC command to start a specific function, because the multimedia player of brand A does not have the function of receiving this signal, the TV of brand A cannot provide such a signal. At this time, the CEC integration device can send such a signal to control the multimedia player; on the contrary, when the B brand multimedia player cannot send the corresponding CEC signal to the A brand TV, the CEC integration device can also send such a signal to the TV. In this way, users only need to use the remote control provided by the CEC integration device to realize the application of all CEC functions, and solve the problem of CEC compatibility of different brands of devices.

It should be noted that the above-mentioned CEC integration device 23 can also be equipped with a universal remote control 24, use the remote control 24 to input commands to the CEC integration device 23, and then use the CEC integration device 23 to control the TV or player to achieve all control The purpose of only holding a remote control.

FIG. 4 is a block diagram of a consumer electronic control integration device according to an embodiment of the present invention. Please refer to FIG. 4 , the CEC integration device 40 of the present embodiment includes a high-definition multimedia interface 41, a command receiver 42, a signal converter 43 and a signal transmitter 44, and its functions are described as follows:

The high-definition multimedia interface 41 is used to connect a multimedia device (not shown), which for example can be inserted into a high-definition multimedia interface port on a multimedia display device such as a liquid crystal TV or a plasma TV, and the CEC integration device 40 can be connected to the multimedia interface. display device. Among them, for example, a plurality of high-definition multimedia interface ports are configured on the multimedia display device, and the CEC pins (that is, the 13th pin) in these high-definition multimedia interface ports are connected to each other, so the CEC integration device 40 can be connected with other multimedia interfaces. The device is linked to provide CEC function.

In detail, FIG. 5 is a circuit diagram of a multimedia device according to an embodiment of the present invention. Please refer to FIG. 5 , the multimedia device 50 of this embodiment includes three HDMI ports 51 , 52 , 53 . The thirteenth pins of these HDMI ports are used as the CEC function, which are connected to each other and also connected to the CEC signal receiver 54 of the multimedia device 50, so that the multimedia device 50 can transmit the CEC control signal to the HDMI port 51 through this pin. , 52, 53 connected multimedia devices, so as to control these multimedia devices to execute the functions corresponding to the control commands. The other pins of the HDMI ports 51, 52, 53 are used for the transmission of video images, for example, they will be connected to the switcher 55 of the multimedia device 50, and can be used for the multimedia devices connected to the HDMI ports 51, 52, 53 by the multimedia device 50. Switch between the devices, and play the corresponding video image on the display 56 .

The command receiver 42 is used for receiving control commands sent by the controller. Wherein, the above-mentioned controller is, for example, a universal remote control, and the command receiver 42 can receive the control command issued by the user on the controller through a wired or wireless transmission interface. The aforementioned wired or wireless transmission interfaces include Universal Serial Bus (USB), RS-232 interface, infrared transmission interface, Bluetooth transmission interface, radio transmission interface or Wireless Fidelity (Wi-Fi) transmission interface.

The signal converter 43 is coupled to the command receiver 42 for converting the control command into a corresponding CEC signal. In detail, for example, the signal converter 43 records a comparison table of various control commands and CEC signals, and when the command receiver 42 receives the control command, it can immediately look up the comparison table to find the corresponding CEC signal.

The signal transmitter 44 is coupled to the signal converter 43 and the high-definition multimedia interface 41 for sending the CEC signal to the multimedia device through the high-definition multimedia interface 41 to control the multimedia device to execute the function corresponding to the control command. Wherein, the above-mentioned CEC signal will be sent to the high-definition multimedia interface port of the multimedia display device through the high-definition multimedia interface 41, and will be transferred to these high-definition multimedia interface ports through the high-definition multimedia interface ports connected to each other on the multimedia display device. The multimedia playing devices connected to the multimedia interface ports are used to control these multimedia playing devices to execute the functions corresponding to the control commands.

For example, if the CEC integration device 40 is connected to the HDMI port of the LCD TV, and the other HDMI port of the LCD TV is connected to the Blu-ray player, then when the CEC integration device 40 receives the play command from the user, it will The playback command will be converted into a corresponding CEC signal, and transferred to the Blu-ray player through the LCD TV, so that the Blu-ray player can be controlled to play movies. In this way, the user can use the controller of the present invention to control the application of all CEC functions, thereby solving the problem of compatibility of CEC functions between different brands.

It should be noted that, in addition to the above method of sending control commands through the controller, the present invention also includes configuring physical control buttons on the CEC integration device, and these control buttons are all coupled to the command receiver, so that the control buttons can be used When either is triggered, a corresponding control command is generated and provided to the command receiver.

In summary, the consumer electronics control integration device and system of the present invention controls multimedia devices of different brands through one CEC integration device, and transmits CEC signals to all connected multimedia devices through the control lines connected to each other in HDMI. And can achieve complete CEC control. The present invention further uses a universal remote controller to input commands to the CEC integration device, thereby achieving the purpose of using only one remote controller for all controls.

Although the present invention has been disclosed above with the embodiments, it is not intended to limit the present invention, and any person skilled in the art may make some changes and modifications without departing from the spirit and scope of the present invention.

Claims (8)

1. a consumer electronic control integration device, including:

One HDMI, connects a multimedia device；

One command receiver, receives the control instruction that a controller sends；

One signal adapter, couples this command receiver, changes this control instruction and controls letter into a corresponding consumer electronics Number；And

One signal projector, couples this signal adapter and this HDMI, by this high-definition multimedia Interface sends this consumer electronics and controls signal to this multimedia device, performs this control instruction pair controlling this multimedia device The function answered, wherein this multimedia device is a multi-media display device, and wherein this consumer electronic control integration device is led to Cross this HDMI and be connected to multiple HDMI ports of this multi-media display device wherein One of, and it is connected to what other HDMI ports were connected by described HDMI port At least one multimedia playing apparatus, wherein said HDMI port is connected to each other.

Consumer electronic control integration device the most according to claim 1, wherein this command receiver by one wired or Wireless transmission interface receives this control instruction that this controller sends, and wherein this wired or wireless coffret includes general serial Bus, RS-232 interface, infrared transmission interface, Bluetooth transmission interface, radio transmission interface or Wireless Fidelity coffret.

Consumer electronic control integration device the most according to claim 1, the most also includes:

At least one controls button, and each described control button is coupled to this command receiver, triggers and produces corresponding control instruction, And it is supplied to this command receiver.

Consumer electronic control integration device the most according to claim 1, wherein this signal projector includes by this height Definition multimedia interface sends this consumer electronics and controls signal to the many matchmakers of described fine definition of this multi-media display device Body interface port one of them, and by the described HDMI port that is connected to each other, transfer this consumer Electronic control signal is to described multimedia playing apparatus, and to control described multimedia playing apparatus, to perform this control instruction corresponding This function.

5. consumer electronics controls an integration system, including:

One multimedia device, has multiple HDMI port；

One controller, sends a control instruction；And

One controls integrating apparatus, including:

One HDMI, connect the described HDMI port of this multimedia device wherein it One；

One command receiver, receives this control instruction that this controller sends；

One signal adapter, couples this command receiver, changes this control instruction and controls letter into a corresponding consumer electronics Number；And

One signal projector, couples this signal adapter and this HDMI, by this high-definition multimedia Interface sends this consumer electronics and controls signal to this multimedia device, performs this control instruction pair controlling this multimedia device The function answered, wherein this multimedia device is a multi-media display device, wherein the described high definition of this multi-media display device Clear degree multimedia interface port is connected to the many matchmakers of fine definition of this control integrating apparatus and at least one multimedia playing apparatus Body interface, wherein said HDMI port is connected to each other.

Consumer electronics the most according to claim 5 control integration system, wherein this command receiver by one wired or Wireless transmission interface receives this control instruction that this controller sends, and wherein this wired or wireless coffret includes general serial Bus, RS-232 interface, infrared transmission interface, Bluetooth transmission interface, radio transmission interface or Wireless Fidelity coffret.

Consumer electronics the most according to claim 5 controls integration system, and wherein this control integrating apparatus also includes:

At least one controls button, and each described control button is coupled to this command receiver, triggers and produces corresponding control instruction, And it is supplied to this command receiver.

Consumer electronics the most according to claim 5 controls integration system, and wherein this signal projector includes by this height Definition multimedia interface sends this consumer electronics and controls signal to the many matchmakers of described fine definition of this multi-media display device Body interface port one of them, and by the described HDMI port that is connected to each other, transfer this consumer Electronic control signal is to described multimedia playing apparatus, and to control described multimedia playing apparatus, to perform this control instruction corresponding This function.