CN103686033B - Signal input control system and method as well as video device of signal input control system - Google Patents
Signal input control system and method as well as video device of signal input control system Download PDFInfo
- Publication number
- CN103686033B CN103686033B CN201210319281.8A CN201210319281A CN103686033B CN 103686033 B CN103686033 B CN 103686033B CN 201210319281 A CN201210319281 A CN 201210319281A CN 103686033 B CN103686033 B CN 103686033B
- Authority
- CN
- China
- Prior art keywords
- detection circuit
- switch unit
- specific voltage
- processing information
- sent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The invention relates to a signal input control system and method as well as a video device of the signal input control. The method is suitable for a control device to control signal input of the video device through a high-definition multimedia interface and comprises the following steps: the control device provides process information and control instructions, the video device detects the control instructions, and a display data passage is used for receiving the process information. According to the control instructions, the video device controls a switching unit to transfer the process information to an extension display capability recognizing data storage device or a processor.
Description
Technical field
The present invention relates to a kind of signal input control system utilizes high definition with method and its AV device, more particularly to one kind
The signal input control system of clear degree multimedia interface transmission signal and method and its AV device.
Background technology
For prior art, high image quality definition multimedia interface (High Definition Multimedia
Interface, HDMI) it is that a kind of totally digitilized image transmits interface with audio frequency, the audio signal without compression and shadow can be transmitted
As signal, due to can transmit audio frequency and signal of video signal using same cable simultaneously so that system is installed and significantly simplified.And it is high
Image quality definition multimedia interface is mainly used in multimedia player, PC, holder for TV playing, integrated amplifier, number
Electronics or the AV devices such as word tone sound, television set.Using the AV device of high image quality definition multimedia interface joint, with only
Specialize in the display that transmission extends display capabilities identification data (Extended Display Identification Data, EDID)
Data channel (Display Data Channel, DDC).However, when system manufacturer failture evacuation to be performed (Debug), equipment
Code updates (Code upgrade), maintenance of equipment or the detection before dispatching from the factory, and all needs additional designs others circuit path to pass
Send control instruction, it will cause to operate inconvenience or increase system cost.
The content of the invention
The present invention proposes a kind of signal input control system, it is adaptable to which a HDMI, this system include：
One control device and an AV device.Wherein this control device provides processing information and control instruction.AV device is high by this
Definition multimedia interface is connected to control device, and this AV device includes：Switch unit, extension display capabilities identification data are deposited
Reservoir, processor and detection circuit.Wherein, switch unit detects circuit then by a DDC reception processing information
The control instruction of detection control apparatus, according to this control instruction, controls the connection mode of switch unit in AV device.Connection mode
Formula is divided into general mode and AD HOC, and wherein general mode shows energy for making processing information be sent to extension by switch unit
Power identification data memory, AD HOC are to make processing information be sent to processor by switch unit.
In one embodiment of this invention, above-mentioned control device includes：One processing unit and a control circuit.Wherein,
Processing unit provides processing information, and this processing information is sent to the switch unit of AV device by DDC.Control
Circuit provides control instruction, and wherein, control instruction is a specific voltage, and this specific voltage is adjustable voltage, special according to this
Determine the numerical value of voltage, control switch unit is that processing information is sent to extension display capabilities identification data memory or process
Device.
In one embodiment of this invention, above-mentioned AV device is also including a detection circuit.This detection circuit is by height
An effectiveness line (Utility Line), a hot plug detection line (HPD Line) or First Five-Year Plan volt that definition multimedia interface has
Special power line (+5V Power Line) is connected with control circuit, after detecting specific voltage, according to specific voltage, detects circuit
The connection mode of transformation switch unit, this connection mode determine that switch unit is that processing information is sent to extension display capabilities to know
Other data storage or processor.
In one embodiment of this invention, when specific voltage is and the specific electricity from five Volt power line input detecting circuits
Press for 5 volts when, detection circuit control switch unit by processing information be sent to extension display capabilities identification data memory, when
Specific voltage be from five Volt power line input detecting circuits, and specific voltage be 0 volt when, detection circuit control switch unit
Processing information is sent to into processor, when specific voltage be from hot plug detection line input detecting circuit, and specific voltage be 5 volts
When, processing information is sent to extension display capabilities identification data memory by detection circuit control switch unit, works as specific voltage
It is that, from hot plug detection line input detecting circuit, and specific voltage, when being 0 volt, detection circuit control switch unit is by processing information
Be sent to processor, when specific voltage be from effectiveness line input detecting circuit, and specific voltage be 0 volt when, detect circuit control
Processing information is sent to extension display capabilities identification data memory by switch unit processed, when specific voltage is input into from effectiveness line
Detection circuit, and specific voltage be 9,14,21 volts when, detection circuit control switch unit processing information is sent to into process
Device.
The present invention proposes a kind of signal input control method, it is adaptable to which control device passes through HDMI control
The signal input of AV device processed.The method comprises the following steps：Control device provides processing information and control instruction；Audio-visual dress
Put the control instruction of detection control apparatus；Switch unit in AV device is by DDC reception processing information；Root
According to control instruction, AV device controls the connection mode of switch unit, and this connection mode is divided into general mode and AD HOC, its
In, general mode is this processing information is deposited by the extension display capabilities identification data that switch unit is sent in AV device
Reservoir, AD HOC are the processor for making this processing information be sent to by switch unit in AV device.
The present invention proposes a kind of AV device, it is adaptable to using a HDMI, receives by control device
The processing information for being provided and control instruction, this AV device include：Switch unit, the identification data storage of extension display capabilities
Device, processor and detection circuit.Wherein, by a DDC reception processing information, switch unit detects that circuit is then examined
The control instruction of control device is surveyed, according to control instruction, the connection mode of switch unit in AV device, connection mode point is controlled
For general mode and AD HOC, wherein, general mode is to make processing information be sent to extension display capabilities by switch unit
Identification data memory, AD HOC are to make processing information be sent to processor by switch unit.
It is based on above-mentioned, of the invention that a kind of signal input control system and method and its AV device are provided, in control device
Communication framework between AV device, will specialize in transmission and extends display capabilities identification in existing HDMI
The DDC of information, low speed periphery joint agreement instruction that can further needed for transmission system design etc. process letter
Breath.
It is that the features described above and advantage of the present invention can be become apparent, special embodiment below, and it is detailed to coordinate accompanying drawing to make
Carefully it is described as follows.
Description of the drawings
Fig. 1 is a kind of functional block diagram of the signal input control system according to the embodiment of the present invention.
Fig. 2 is a kind of flow chart of the signal input control method according to the embodiment of the present invention.
Fig. 3 A～Fig. 3 C are to switch the corresponding table of connection mode according to the different specific voltages of input of the embodiment of the present invention
Lattice.
Reference：
110：Control device
120：Processing unit
122：DDC
130：Control circuit
132：Effectiveness line
134：Hot plug detection line
136：Five Volt power lines
140：AV device
150：HDMI
160：Switch unit
162：Extend display capabilities identification data memory
164：Processor
170：Detection circuit
180：High-definition multimedia interface receiver
182、184：Minimize differential signal transmission channel
186：Minimize differential signal transmission sequential channel
190：Consumer electronics control unit
S210～S270：Signal input control method process step
Specific embodiment
Fig. 1 is a kind of functional block diagram of the signal input control system according to the embodiment of the present invention, and this system is applied to
Signal transmission is done by HDMI.This signal input control system includes control device 110, AV device
140, control device 110 using HDMI (High Definition Multimedia Interface,
HDMI) 150 are connected with AV device 140.Wherein control device 110 includes processing unit 120 and control circuit 130.Audio-visual dress
Putting 140 includes switch unit 160, extends display capabilities identification data (Extended Display Identification
Data, EDID) memory 162, processor 164, detection circuit 170, and extend display capabilities identification data memory 162, place
Reason device 164 and detection circuit 170 are both coupled to switch unit 160.
Wherein, the processing unit 120 in control device 110 provides processing information, and this processing information is logical by display data
Road (Data Display Channel, DDC) 122 is sent to the switch unit 160 of AV device 140.Control circuit 130 is provided
Control instruction, this control instruction are a specific voltage, and this specific voltage is adjustable voltage.According to the number of this specific voltage
Value, control switch unit 160 are that processing information is sent to extension display capabilities identification data memory 162 or processor 164.
AV device 140 is then the effectiveness line having by HDMI 150 using detection circuit 170
(Utility Line) 132, hot plug detection line (Hot Plug Detection Line, HPD Line) 134 or five Volt powers
Line (+5V Power Line) 136 is connected with control circuit 130.It is after detection circuit 170 detects specific voltage, specific according to this
Voltage, detects that circuit 170 changes the connection mode of switch unit 160, and this connection mode determines that switch unit 160 is will to process letter
Breath is sent to extension display capabilities identification data memory 162 or processor 164.
Also include that high-definition multimedia interface receiver 180 and consumer electronics are controlled inside AV device 140
(Consumer Electronics Control, CEC) unit 190.By multiple minimum differential signal transmissions
(Transition Minimized Differential Signaling, TMDS) channel 182,184 and minimum transmission difference
Signal sequence channel 186, external audio-visual frequency source signal transmit shadow audio signal to high-definition multimedia interface receiver
180.Consumer electronics control unit 190 is single line, two-way interface, mainly in addition customized design according to demand, to allow use
Person can be easy to the every electronic installation for controlling to be connected with HDMI 150.
Fig. 2 is a kind of flow chart of the signal input control method according to the embodiment of the present invention, referring to Fig. 1, figure
2.The processing unit 120 of control device 110 provides processing information and control circuit 130 provides control instruction (step 210), processes
Information is the running that control extends display capabilities identification data memory 162 and processor 164.The detection electricity of AV device 140
The control instruction (step 220) provided by the control circuit 130 of 170 detection control apparatus 110 of road, control instruction is such as above-mentioned institute
Speech, is a specific voltage, and detection circuit 170 is by the detection control of effectiveness line 132, hot plug detection line 134 or five Volt power line 136
The specific voltage provided by circuit processed 130.
Switch unit 160 in AV device 140 is by 122 reception processing information (step 230) of DDC, root
According to control instruction (i.e. specific voltage), the connection mode (step of the detection control switch unit 160 of circuit 170 in AV device 140
It is rapid 240), then judge connection mode for general mode or AD HOC (step 250).
Fig. 3 A～Fig. 3 C are to switch the corresponding table of connection mode according to the different specific voltages of input of the embodiment of the present invention
Lattice, please referring additionally to Fig. 3 A～Fig. 3 C.As shown in Figure 3A, when control circuit 130 passes through five Volt power lines, 136 input detecting circuit
When 170 voltage is 5 volts, by the internal circuit design of detection circuit 170, the control switch unit 160 of circuit 170 is detected
Pin S1, pin S0 are conducting (ON) pattern, are preset as state with usual digital circuit method for expressing " 1 ".When by five
When the voltage of 136 input detecting circuit 170 of Volt power line is 0 volt, detect that circuit 170 controls the pin S of switch unit 160
1st, pin S0 is breaking (OFF) pattern, is preset as state " 0 ".Now, one parameter N of systemic presupposition, according to pin S1 and pin
The conducting or open circuit of S0, and (substrate of S1 is 2 to turn the decimal method that counts using binary bit1, the substrate of S0 is 20), calculate
It is 3 to go out the parameter N when input voltage is 5 volts, and the connection mode of corresponding conversion switch unit 160 is general mode.When defeated
It is 5 to enter parameter N when voltage is 5 volts, and the connection mode of corresponding conversion switch unit 160 is AD HOC.
In the same manner, as shown in Figure 3 B, when control circuit 130 by the voltage of 134 input detecting circuit 170 of hot plug detection line is
When 5 volts, by the internal circuit design of detection circuit 170, pin S1, the pin of the control switch unit 160 of circuit 170 is detected
S0 is conduction mode.When being 0 volt by the voltage of 134 input detecting circuit 170 of hot plug detection line, circuit 170 is detected
Pin S1, the pin S0 of control switch unit 160 is open circuit mode.Now, using above-mentioned operation method, calculate when defeated
It is 3 to enter parameter N when voltage is 5 volts, and the connection mode of corresponding conversion switch unit 160 is general mode.Work as input voltage
For 0 volt when parameter N be 0, the connection mode of corresponding conversion switch unit 160 is AD HOC.
Additionally, the carrying voltage range of effectiveness line 132 is larger, therefore there is more change.As shown in Figure 3 C, when control electricity
When road 130 is 0 volt by the voltage of 132 input detecting circuit 170 of effectiveness line, set by the internal circuit of detection circuit 170
Meter, it is conduction mode that detection circuit 170 controls the pin S1 of switch unit 160, pin S0, and it is 0 volt to calculate when input voltage
Parameter N when special is 3, and the connection mode of corresponding conversion switch unit 160 is general mode.When input voltage is 9 volts, inspection
Slowdown monitoring circuit 170 control switch unit 160 pin S1 be open circuit mode, pin S0 be conduction mode, calculate and work as input voltage
For 9 volts when parameter N be 1, the connection mode of corresponding conversion switch unit 160 is the first AD HOC.When input voltage is
When 14 volts, detect circuit 170 control switch unit 160 pin S1 be open circuit mode, pin S0 be open circuit mode, calculate
Parameter N when input voltage is 14 volts is 0, and the connection mode of corresponding conversion switch unit 160 is the second AD HOC.When
When input voltage is 21 volts, detect circuit 170 control the pin S1 of switch unit 160 be conduction mode, pin S0 be breaking
Pattern, it is 2 to calculate the parameter N when input voltage is 21 volts, and the connection mode of corresponding conversion switch unit 160 is the 3rd
AD HOC.
Through above-mentioned judgement flow process, when the connection mode of switch unit 160 is judged for general mode, processing information is led to
Cross extension display capabilities identification data memory 162 (step 260) that switch unit 160 is sent in AV device.Work as judgement
When the connection mode of switch unit 160 is AD HOC, processing information is sent to the place in AV device by switch unit 160
Reason device 164 (step 270).Wherein, the part of effectiveness line 132, its multiple input voltage have the change of various AD HOCs.The
One AD HOC, the second AD HOC, the 3rd AD HOC can be respectively defined as control device 110 according to system manufacturer demand
Processing unit 120 provide different types of processing information to the processor 164 of AV device 140.For example, it is various specific
Pattern is respectively corresponding to except hardware devices wrong, that detection is different or software program.
In sum, the present invention provides a kind of signal input control system and method and its AV device, in control device
Communication framework between AV device, will specialize in transmission and extends display capabilities identification in existing HDMI
The process of the DDC of information, low speed periphery joint agreement instruction that can further needed for transmission system design etc.
Information.Meanwhile, also controlled using the transmission of the effectiveness line in HDMI, five Volt power lines or hot plug detection line
Instruction, is sent to the extension display capabilities identification data memory of AV device with control process information by switch unit, or
It is the processor for being sent to AV device by the switch unit.
Although the present invention is disclosed as above with embodiment, so which is not limited to the present invention, any art
Those of ordinary skill, when a little change and retouching can be made, without departing from the spirit and scope of the present invention.
Claims (12)
1. a kind of signal input control system, it is adaptable to which a HDMI, the system include：
One control device a, there is provided processing information and a control instruction, the control device include：
One processing unit, there is provided the processing information；And
One control circuit, there is provided the control instruction, the wherein control instruction are specific voltages, and the specific voltage is adjustable
Voltage；And
One AV device, is connected to the control device by the HDMI, and the AV device includes：
One switch unit, receives the processing information by a DDC；
One extends display capabilities identification data memory；
One processor；And
One detection circuit, the effectiveness line having by the HDMI, a hot plug detection line or First Five-Year Plan volt
At least one of special power line is connected with the control circuit, detects the control instruction of the control device, according to the control instruction,
A connection mode of the switch unit in the AV device is controlled, the connection mode is divided into a general mode and an AD HOC,
Wherein the general mode is to make the processing information be sent to the extension display capabilities identification data memory by the switch unit,
The AD HOC is to make the processing information be sent to the processor by the switch unit.
2. signal input control system according to claim 1, wherein, when the specific voltage is from the five Volt powers line
It is input into the detection circuit, and the specific voltage, when being 5 volts, the detection circuit controls the switch unit and transmits the processing information
To the extension display capabilities identification data memory, when the specific voltage is to be input into the detection circuit from the five Volt powers line,
And the specific voltage be 0 volt when, the detection circuit controls the switch unit and the processing information is sent to the processor.
3. signal input control system according to claim 1, wherein, when the specific voltage is defeated from the hot plug detection line
Enter the detection circuit, and the specific voltage, when being 5 volts, the detection circuit controls the switch unit and is sent to the processing information
The extension display capabilities identification data memory, when the specific voltage is to be input into the detection circuit from the hot plug detection line, and should
When specific voltage is 0 volt, the detection circuit controls the switch unit and the processing information is sent to the processor.
4. signal input control system according to claim 1, wherein, when the specific voltage be should from effectiveness line input
Detection circuit, and the specific voltage, when being 0 volt, the detection circuit controls the switch unit processing information is sent to this to prolong
Display capabilities identification data memory is stretched, when the specific voltage is the detection circuit, and the specific voltage to be input into from the effectiveness line
For 9,14,21 volts when, the detection circuit controls the switch unit and the processing information is sent to the processor.
5. a kind of signal input control method, it is adaptable to which a control device is audio-visual by HDMI control one
The signal input of device, the method include：
The control device provides a processing information and a control instruction；
The AV device detects the control instruction of the control device；
A switch unit in the AV device receives the processing information by a DDC, wherein the processing information by
A processing unit in the control device is provided；And
According to the control instruction, the AV device controls a connection mode of the switch unit, and it is common that the connection mode is divided into one
Pattern and an AD HOC, the wherein general mode are the processing information is sent in the AV device by the switch unit
One extends display capabilities identification data memory, and the AD HOC is to make the processing information be sent to the shadow by the switch unit
A processor in mixer, the wherein control instruction are provided by a control circuit of the control device, and the control instruction is one special
Determine voltage, the specific voltage is adjustable voltage,
Wherein also include an effectiveness line, a hot plug detection line or the First Five-Year Plan volt having by the HDMI
The control circuit is connected at least one of power line a detection circuit of the AV device.
6. signal input control method according to claim 5, also includes：
When the specific voltage is to be input into the detection circuit from the five Volt powers line, and the specific voltage is when being 5 volts, the detection
Circuit controls the switch unit and the processing information is sent to the extension display capabilities identification data memory；And
When the specific voltage is to be input into the detection circuit from the five Volt powers line, and the specific voltage is when being 0 volt, the detection
Circuit controls the switch unit and the processing information is sent to the processor.
7. signal input control method according to claim 5, also includes：
When the specific voltage is to be input into the detection circuit from the hot plug detection line, and the specific voltage is when being 5 volts, detection electricity
Road controls the switch unit and the processing information is sent to the extension display capabilities identification data memory；And
When the specific voltage is to be input into the detection circuit from the hot plug detection line, and the specific voltage is when being 0 volt, detection electricity
Road controls the switch unit and the processing information is sent to the processor.
8. signal input control method according to claim 5, also includes：
When the specific voltage is to be input into the detection circuit from the effectiveness line, and the specific voltage is when being 0 volt, the detection circuit control
Make the switch unit and the processing information is sent to into the extension display capabilities identification data memory；And
When the specific voltage is to be input into the detection circuit from the effectiveness line, and the specific voltage is when being 9,14,21 volts, the detection
Circuit controls the switch unit and the processing information is sent to the processor.
9. a kind of AV device, it is adaptable to using a HDMI, reception provided by a control device one
Processing information and a control instruction, the AV device include：
One switch unit, receives the processing information by a DDC；
One extends display capabilities identification data memory；
One processor；And
One detection circuit, detects the control instruction of the control device, and according to the control instruction, in controlling the AV device, this is cut
A connection mode of unit is changed, the connection mode is divided into a general mode and an AD HOC, and the wherein general mode is to make this
Processing information is sent to the extension display capabilities identification data memory by the switch unit, and the AD HOC is to make the process
Information is sent to the processor by the switch unit, and wherein the control instruction is a specific voltage, and the specific voltage is adjustable
Whole voltage,
An effectiveness line, a hot plug detection line or First Five-Year Plan that wherein the detection circuit has by the HDMI
At least one of Volt power line is connected with the control device.
10. AV device according to claim 9, wherein, when the specific voltage be should from five Volt powers line input
Detection circuit, and the specific voltage, when being 5 volts, the detection circuit controls the switch unit processing information is sent to this to prolong
Display capabilities identification data memory is stretched, when the specific voltage is the detection circuit, and the spy to be input into from the five Volt powers line
Determine voltage for 0 volt when, the detection circuit controls the switch unit and the processing information is sent to the processor.
11. AV devices according to claim 9, wherein, when the specific voltage is to be input into the inspection from the hot plug detection line
Slowdown monitoring circuit, and the specific voltage be 5 volts when, the detection circuit controls the switch unit and the processing information is sent to the extension
Display capabilities identification data memory, when the specific voltage is to be input into the detection circuit, and the specific electricity from the hot plug detection line
Press for 0 volt when, the detection circuit controls the switch unit and the processing information is sent to the processor.
12. AV devices according to claim 9, wherein, when the specific voltage is to be input into the detection electricity from the effectiveness line
Road, and the specific voltage, when being 0 volt, the detection circuit controls the switch unit processing information is sent to the extension to show
Capability identification data storage, when the specific voltage is to be input into the detection circuit from the effectiveness line, and the specific voltage be 9,14,
When 21 volts, the detection circuit controls the switch unit and the processing information is sent to the processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210319281.8A CN103686033B (en) | 2012-08-31 | 2012-08-31 | Signal input control system and method as well as video device of signal input control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210319281.8A CN103686033B (en) | 2012-08-31 | 2012-08-31 | Signal input control system and method as well as video device of signal input control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103686033A CN103686033A (en) | 2014-03-26 |
| CN103686033B true CN103686033B (en) | 2017-03-22 |
Family
ID=50322163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210319281.8A Active CN103686033B (en) | 2012-08-31 | 2012-08-31 | Signal input control system and method as well as video device of signal input control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103686033B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110233985B (en) * | 2018-03-06 | 2020-12-08 | 赛灵思公司 | Data transmission method and network video monitoring device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101051454A (en) * | 2006-03-08 | 2007-10-10 | 索尼株式会社 | Image display apparatus and image display method |
| CN101151655A (en) * | 2005-04-05 | 2008-03-26 | 先进微装置公司 | Dual purpose video adapter port |
| CN101630499A (en) * | 2008-07-17 | 2010-01-20 | 新汉电脑股份有限公司 | Video signal processing system and video signal processing method thereof |
| CN201550224U (en) * | 2009-10-20 | 2010-08-11 | 大连捷成实业发展有限公司 | DVI communication data transmission device |
| CN101895785A (en) * | 2010-07-01 | 2010-11-24 | 广东欧珀电子工业有限公司 | Portable HDMI CEC automatic testing device and testing method thereof |
| CN102572353A (en) * | 2010-12-28 | 2012-07-11 | 索尼公司 | Electronic apparatus, method for controlling electronic apparatus, transmission apparatus, and reception apparatus |
-
2012
- 2012-08-31 CN CN201210319281.8A patent/CN103686033B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101151655A (en) * | 2005-04-05 | 2008-03-26 | 先进微装置公司 | Dual purpose video adapter port |
| CN101051454A (en) * | 2006-03-08 | 2007-10-10 | 索尼株式会社 | Image display apparatus and image display method |
| CN101630499A (en) * | 2008-07-17 | 2010-01-20 | 新汉电脑股份有限公司 | Video signal processing system and video signal processing method thereof |
| CN201550224U (en) * | 2009-10-20 | 2010-08-11 | 大连捷成实业发展有限公司 | DVI communication data transmission device |
| CN101895785A (en) * | 2010-07-01 | 2010-11-24 | 广东欧珀电子工业有限公司 | Portable HDMI CEC automatic testing device and testing method thereof |
| CN102572353A (en) * | 2010-12-28 | 2012-07-11 | 索尼公司 | Electronic apparatus, method for controlling electronic apparatus, transmission apparatus, and reception apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103686033A (en) | 2014-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102006441A (en) | HDMI system with Ethernet and method for displaying connection condition of HDMI cable the same | |
| KR101566174B1 (en) | Image processing apparatus and control method thereof | |
| US20170245003A1 (en) | Device and method for transmitting and receiving data using hdmi | |
| US20080084834A1 (en) | Multiplexed connection interface for multimedia serial data transmission | |
| WO2015072665A1 (en) | Display apparatus and method of setting a universal remote controller | |
| US9955112B2 (en) | Digital-image transmission apparatus which performs communication, self-diagnosis, and control | |
| CN101895785A (en) | Portable HDMI CEC automatic testing device and testing method thereof | |
| CN104869460B (en) | A kind of HDMI Wireless Transmitters and signal processing method | |
| CN103209337B (en) | HDMI transmit control device method of testing and equipment | |
| CN108093189A (en) | Electronic device and its electrical control method | |
| CN104883617A (en) | Multi-screen interaction system and method | |
| CN102932683A (en) | Mobile high-definition link (MHL) realizing method and video playing device | |
| CN104615556A (en) | EDID burning device and method | |
| CN1897672A (en) | Multimedia interface input method for conversing high resolution in tv | |
| CN106933524A (en) | method for increasing display port compatibility | |
| CN207820082U (en) | A kind of video processing equipment | |
| CN103686033B (en) | Signal input control system and method as well as video device of signal input control system | |
| CN103713868A (en) | Method and apparatus for dynamic adjustment of data transmission with usage context | |
| CN101458918B (en) | High-definition multimedia interface receiver/transmitter chipset | |
| US11942019B2 (en) | Electronic apparatus and image processing method thereof for processing EDID information | |
| CN206251273U (en) | A kind of MHL to HDMI patchcords detector | |
| TWI523531B (en) | System and method for signal input control and video device thereof | |
| KR20190033864A (en) | Electronic apparatus, method for controlling thereof and the computer readable recording medium | |
| CN111801949B (en) | Video display device, control method for video display device, and program recording medium | |
| CN105472467B (en) | interface display method and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |