CN108763130A - System with link function of reset - Google Patents
System with link function of reset Download PDFInfo
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- CN108763130A CN108763130A CN201810358372.XA CN201810358372A CN108763130A CN 108763130 A CN108763130 A CN 108763130A CN 201810358372 A CN201810358372 A CN 201810358372A CN 108763130 A CN108763130 A CN 108763130A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0042—Universal serial bus [USB]
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Abstract
The present invention discloses a kind of system with link function of reset, including signal source, port, control device, multiplexer and processing unit.Signal source is generating output signal.Port is coupled to signal source, to receive output signal.Control device is coupled to port, to generate sync signal to port according to output signal.Control device is synchronously received output signal by port.If sync signal is abnormal, control device generates notice signal.Multiplexer is coupled to control device, output signal is separated into video-audio data and high speed universal serial bus data.Processing unit is coupled to multiplexer and control device.According to notice signal, processing unit generates resetting signal to control device.Whether the system with link function of reset of the present invention self-defined can automatically carry out link reset process, have very high operation ease and detect wrong ability.
Description
Technical field
The present invention relates to a kind of systems with link function of reset, espespecially a kind of in the case where signal transmits alternating pattern, answer
The system of link for high speed universal serial bus.
Background technology
As science and technology is maked rapid progress, various wired and wireless port is also widely used in daily life.Especially
It is the data communication for multiple and different electronic devices, suitable port is even more important.For example, various types of port can
Applied to portable electric devices such as laptop, mobile phone, tablet computers.The characteristics of these electronic devices is to take with oneself
Band and can use whenever and wherever possible.In order to which make can be online mutually between various electronic devices, to carry out the data of a large amount of and high speed
Transmission, those electronic devices are usually connected to using universal serial bus (Universal Serial Bus, USB) connecting line
The downlink port of hub, and the uplink port of hub is connected to host apparatus.In this way, those electronic devices and host apparatus
Between can transmit or receive each other data by the USB transport protocol of hub.
USB port initially advocates initiation by Intel and Microsoft, and maximum feature is to support hot plug and plug and play.
When electronic device is established the link by USB port and host apparatus, host can be enumerated to this device and automatically load it is required
Driver.Therefore, convenient more than other buses using the data communication of USB transport protocol.Also, USB port is in speed
On more than port arranged side by side (such as Enhanced Parallel Port, Line Printer Terminal) and serial port (example
Such as RS-232) traditional computer STD bus upper many soon.With the demand that data transmission rate is increasing, USB port
Also it is designed with the direction of high speed data transfer.For example, in the specification of USB 1.1, data maximum transmission bandwidth is 12Mbps.?
In the specification of USB 2.0, data maximum transmission bandwidth is promoted to 480Mbps.And in the specification of USB 3.0 and USB 3.1,
Data maximum transmission bandwidth has even arrived 5Gbps to 10Gbps or more.In addition to the evolution of USB port specification, USB port is in hardware
On also there are many breaking through, such as the nearest ports USB Type-C, apparent feature be that upper and lower side is completely the same and right
Claim, this also means that user need not repartition the positive and negative of USB port.This means, the both direction of the ports USB Type-C is all
Connecting hole can be inserted.Also, USB Type-C also support port the high-speed signal transmission standard of newest USB 3.1, therefore mesh
Preceding many smartphones and laptop all use the ports USB Type-C.
In the application of the ports USB Type-C, rear end has to collocation power transfer module controller and support is coordinated to interrogate
The circuit of number transmission alternating pattern, just can image output signal and USB simultaneously data signals.However, being substituted in transmission
Under pattern, when the ports USB Type-C cause data communication to fail because of hardware fault or poor contact, image signal is by nothing
Method is transmitted.Good general does not cause picture to interrupt or can not normally show for the transmission of image signal.However, because the ports USB Type-C
Pin lack hot plug detecting (Hot Plug Detect) pin, therefore, when USB Type-C data communication failure shape
Under state, the request that pin is linked up again with source signal can not be detected by hot plug.In other words, as USB Type-C
When the connection of port causes data communication to be interrupted extremely, user is only capable of in a manual manner resetting the ports USB Type-C.
It because USB Type-C do not have hot plug to detect pin, therefore when the connection exception of the ports USB Type-C, does not have bright yet
It is abnormal that aobvious warning message informs that user connects, therefore causes operational not convenient.
Therefore, it is necessary to a kind of novel system with link function of reset be designed, to overcome drawbacks described above.
Invention content
It is an object of the invention to propose it is a kind of have link function of reset system, can it is self-defined whether automatically
Link reset process is carried out, there is very high operation ease and detects wrong ability.
An embodiment according to the present invention proposes a kind of system with link function of reset, including：Signal source, to
Generate output signal；Port is coupled to the signal source, to receive the output signal；Control device is coupled to the port, uses
To generate sync signal to the port, so that the control device is synchronously received the output by the port according to the output signal
Signal, and if the sync signal it is abnormal, generate notice signal；Multiplexer is coupled to the control device, to be transmitted in signal
Under alternating pattern, which is separated into video-audio data and high speed universal serial bus data；And processing unit, coupling
In the multiplexer and the control device, to receive the video-audio data, and according to the notice signal, generates resetting signal and extremely should
Control device, so that the control device is linked up again by the port and the signal source.
As optional technical solution, also include：Display is coupled to the processing unit, to according to the video-audio data
It shows image, and to adjust functional menu by screen, inputs the resetting setting under the transmission alternating pattern；Wherein at this
Device is managed according to the notice signal, fail message is linked in being generated on the image that the display is shown.
As optional technical solution, which includes：Power transfer module is coupled to the port, to pass through
The sync signal is detected in monitor channel configuration foot position, and if the sync signal it is abnormal, generate the notice signal to the processing unit.
As optional technical solution, which includes：Power transfer module is coupled to the port, to pass through
The sync signal is detected in monitor channel configuration foot position, and if the sync signal it is abnormal, generate triggering signal；And universal serial bus
Line concentrator is coupled to the power transfer module, to receive the triggering signal, and according to the triggering signal, starts mistake and accuses
Show function to generate the notice signal to the processing unit.
As optional technical solution, which is coupled to the port, to pass through the port
The low speed universal serial bus data and the universal serial bus line concentrator for receiving the output signal are coupled to the multitask
Device, to receive the high speed universal serial bus data of multiplexer output.
As optional technical solution, if the sync signal is abnormal, the notice signal which generates is by first
Current potential becomes the second current potential, and first current potential is less than second current potential.
As optional technical solution, which is Type-C USB ports, which is digital
Video signal interface standard specification and the high speed universal serial bus data are full duplex hypervelocity data communication specification.
As optional technical solution, which includes that multiple pairs of full-duplex datas are received
Send out pin, and transmitted under alternating pattern in the signal, in multiple pairs of full-duplex data transmitting-receiving pin, at least one at
To full-duplex data transmitting-receiving pin transmitting the video-audio data of the digital video signal interface standard specification.
As optional technical solution, which links up after n times again with the signal source, which generates stopping
Signal is to the control device, and to suspend the communication of the control device and the signal source, and N is the positive integer more than 1.
As optional technical solution, if the voltage of the output signal is down to threshold current potential or less and the sync signal is made to send out
Raw abnormal, which generates the notice signal to the processing unit.
Compared with prior art, the present invention proposes a kind of system with link function of reset, includes coupling in system
Port and signal source, and system also supports signal to transmit alternating pattern, can pass through port simultaneous transmission video-audio data and high speed
Universal serial bus data.When the connection status of port and signal source is abnormal, system can detect abnormal state, then
Processing unit will generate resetting signal to control device, to be linked up again with signal source.Therefore, for user, this hair
Whether the bright system with link function of reset self-defined can automatically carry out link reset process, have very high behaviour
Make convenience and detects wrong ability.
Description of the drawings
Fig. 1 is the block diagram of the embodiment of the system with link function of reset of the present invention.
Fig. 2 is the schematic diagram of each pin in port in the system of Fig. 1.
Fig. 3 is the schematic diagram of the power transfer module in control device in the system of Fig. 1.
Fig. 4 is the signal of power transfer module and universal serial bus line concentrator in control device in the system of Fig. 1
Figure.
Fig. 5 is the transmission path of high speed universal serial bus data and low speed universal serial bus data in the system of Fig. 4
Schematic diagram.
Specific implementation mode
To make to have further understanding to the purpose of the present invention, construction, feature and its function, hereby coordinate embodiment specifically
It is bright as follows.
Fig. 1 is the block diagram of the embodiment of the system 100 with link function of reset.To simplify the description, hereinafter, have
There is the system 100 of link function of reset to be referred to as system 100.System 100 includes signal source 10, port 11, control device 12, more
Task device 13 and processing unit 14.Signal source 10 can be personal computer, tablet computer, smartphone, audio and video player
Etc. any device for having video-audio data fan-out capability.Signal source 10 can generate output signal.For example, when signal source 10 is individual
When computer, output signal may include video-audio data and general string caused by Computer display adapter or hard disk
The data of row bus (Universal Serial Bus, USB).Port 11 can be Type-C universal serial bus (Type-C
Universal Serial Bus, USB Type-C) port.Since port 11 can be the ports USB Type-C, port 11
The hot plug of positive and negative can be supported to link.The definition of 11 each pin of port will be in being described in detail hereinafter.Port 11 is coupled to signal source
10, to receive output signal.Control device 12 is coupled to port 11, to generate sync signal to port according to output signal
11, so that control device 12 is synchronously received output signal by port 11.Control device 12 can be any receiving USB
The device of each pin signal in the ports Type-C.Also, control device 12 can be according to the monitor channel configuration foot of USB Type-C
The voltage change of the sync signal of position (Configuration Channel Pin) judges linking for port 11 and signal source 10
It is whether abnormal.If linking abnormal (such as poor contact or hardware fault) between port 11 and signal source 10, monitoring will be caused logical
The voltage of the sync signal of road configuration foot position can be also abnormal, and control device 12 can generate notice signal BS.Multiplexer
13 can be the exclusive multiplexer integrated circuits of USB Type-C, be coupled to control device 12, and mould is substituted to be transmitted in signal
Under formula (Alternative Mode, referred to hereinafter as Alt Mode), output signal is separated into video-audio data and High Speed General is serial
Bus data.Processing unit 14 can be any device for having programmable logical operation function, such as display processing chip
(Scalar) or microprocessor etc..Processing unit 14 is coupled to multiplexer 13 and control device 12, to receive audio-visual number
According to.Also, when port 11 and signal source 10 link be abnormal when, processing unit 14 also can receive by 12 institute of control device
The notice signal BS of generation, and according to notice signal BS, resetting signal RS is generated to control device 12, so that control device 12 is logical
Port 11 is crossed to link up again with signal source 10.
Within system 100, can also include display 15.Display 15 can be any kind of screen or projection arrangement.
Display 15 is coupled to processing unit 14, to show image according to video-audio data.Display 15 also can be used to through screen tune
Whole function (On Screen Display, OSD) menu 16 inputs the resetting setting in the case where transmitting alternating pattern.For example,
Display 15 can be generated following table 1 by OSD menus and be set：
Table 1
In other words, user can utilize the OSD menus 16 of display, by the setting presented on table 1, at selection
Whether reason device 14 will be reset at the ports USB Type-C 11 under signal transmission alternating pattern automatically by control device 12.If
User selects "Yes", then processing unit 14 can be set at when port 11 when linking exception, sends out resetting with signal source 10
Signal RS is so that the connection resetting of port 11 is made it be linked up again with signal source 10 by control device 12.If user selects
"No", then the reset operation in port 11 and signal source 10 can be to manually perform.Also, no matter user selects in OSD menus 16
Which kind of resetting setting, when port 11 is with signal source 10 when linking exception, processing unit 14 can be produced by foundation control device 12
Notice signal BS, in display 15 show image on generate link fail message.For example, link fail message can be packet
Containing " Warning Message:USB Type-C Alt Mode Fail！" etc. words.Therefore, user can pass through display 15
That inspects port 11 and signal source 10 at a glance links abnormality.However, in the system 100 of the present invention, display institute
The content of the OSD menus 16 of display is not limited to by table 1.For example, OSD menus 16 can also include advanced setting, example
Such as set the number that port 11 is linked up again with signal source 10.In other words, user can set port by OSD menus 16
11 numbers linked up again with signal source 10 are N, and N may be greater than 1 positive integer.Under setting herein, when port 11 and signal source
10 link up after n times again, and processing unit 14 can generate stop signal to control device 12, pass through end with pause control device 12
The communication of mouth 11 and signal source 10.It, can by the number that limitation is linked up again when especially when port 11 is got loose the phenomenon that
To avoid control device 12 unnecessary energy is caused by port 11 and signal source 10 are repeated continuously the operation linked up again
Amount loss.
Within system 100, port 11 may be defined as the port of USB Type-C specifications.Therefore, port 11 is received by interrogating
The voltage and current for the output signal that number source 10 generates can be respectively 5 volts (V) and 20 amperes (A).And control device 12 is produced
The sync signal of raw corresponding monitor channel configuration foot position be also under normal circumstances corresponding USB Type-C specifications output voltage/
Electric current (5V/20A).When linking abnormal (such as poor contact or hardware fault) between port 11 and signal source 10, can cause defeated
Go out signal and threshold current potential is down to hereinafter, the voltage of such as output signal becomes 3V from 5V.The electric voltage exception of output signal can also be led
Sync signal is caused to be abnormal.When sync signal is abnormal, control device 12 is that will produce one with voltage fluctuation
Notify signal BS.For example, control device 12 can generate the notice signal BS for becoming the second current potential from the first current potential, and the first current potential
It is smaller than the second current potential.Therefore, after processing unit 14 receives the notice signal BS with voltage fluctuation, you can immediacy
Occur to link abnormal time point between detecting port 11 and signal source 10, therefore can in real time (Real Time) lose link
It loses message to be shown on the image of display 15, to report to the message that user links failure.
Fig. 2 is the schematic diagram of 11 each pin of port in system 100.It is referred to Ru aforementioned, port 11 can be USB Type-C rule
The port of lattice.The pin of port 11 includes pin A1 to pin A12 and pin B1 to pin B12.Pin A1 to pin A12
It is symmetrical pin with pin B1 to pin B12.Pin A1 and pin B1 is for being grounded.Pin A2 and pin B2 is super for receiving
" just " of fast data (Super Speed Date) is held.Pin A3 and pin B3 is used to receive " negative " end of hypervelocity data.Pin
A4 and pin B4 is for receiving bus power source.Pin A5 and pin B5 be monitor channel configuration foot position, for maintain port 11 with
The synchronism in signal source 10.Pin A6 and pin B6 is for receiving low speed universal serial bus data, such as the difference of USB 2.0
" just " of signal is held.Pin A7 and pin B7 is for receiving low speed universal serial bus data, such as the differential signal of USB 2.0
It is " negative " end.Pin A8 and pin B8 uses (Side Band Use) for sideband, can transmit the data of low speed or match confidence
Breath, such as transmitting supplemental channel signal (the extension display capabilities identification Extended Display comprising display
Identification Data, EDID) etc. information.Pin A9 and pin B9 is for receiving bus power source.Pin A10 and pin
B10 is used to receive " negative " end of hypervelocity data.Pin A11 and pin B11 is used to receive " just " end of hypervelocity data.Pin A12
And pin B12 is for being grounded.In port 11, since pin A1 to pin A12 and pin B1 to pin B12 is symmetrically to connect
Foot, therefore when control device 12 receives the signal that a unilateral row pin is exported, no matter port 11, which is positive output, (receives
The pin of signal is A1 to A12) or reversed output (pin for receiving signal is B1 to B12), the output signal of port 11 is equal
Energy correct ground controlled device 14 receives, therefore port 11 can support the hot plug of positive and negative.Also, port 11 includes more
A pairs of full-duplex data receives and dispatches pin, for example, in port 11, pin A2 and pin B11 can be considered a pair of of full duplex number
According to transmitting-receiving pin D1.Pin A3 and pin B10 can be considered a pair of of full-duplex data transmitting-receiving pin D2.Pin A10 and pin B3 can
It is considered as a pair of of full-duplex data transmitting-receiving pin D3.Pin A11 and pin B2 can be considered a pair of of full-duplex data transmitting-receiving pin D4.?
Port 11 is set under signal transmission alternating pattern, in multiple pairs of full-duplex data transmitting-receiving pin D1 to D4, at least
There are one pairs of full-duplex data transmitting-receiving pin can be used to transmit digital video signal interface standard specification (Display Port,
DP video-audio data).In other words, in the case where signal transmits alternating pattern, port 11 can support video-audio data, the high speed of DP simultaneously
The data of universal serial bus and the data of low speed universal serial bus, therefore have very high transmission convenience.
Fig. 3 is the schematic diagram of the power transfer module 12a in control device 12 in system 100.The electric power of system 100 passes
Defeated module (Power Delivery Module, PD) 12a may be disposed in control device 12.Power transfer module 12a is coupled to
Port 11, to detect sync signal by monitor channel configuration foot position (the pin A5 and pin B5 of Fig. 2).If sync signal
Abnormal, power transfer module 12a can generate notice signal BS to processing unit 14.Within system 100, power transfer module 12a
Also it can be coupled to processing unit 14, therefore can also be used to the resetting signal RS that receiving and processing device 14 is sent out.In power transmission mould
After block 12a receives resetting signal RS, can again it be linked up with control port 11 and signal source 10.Therefore, system 100 is in addition to supporting
Outside the Data Transmission Feature of the high speed of USB Type-C specifications, also has the function of link resetting.
Fig. 4 is the power transfer module 12a in control device 12 and universal serial bus line concentrator 12b in system 100
Schematic diagram.Fig. 4 is similar with the framework of Fig. 3, and device 12 can also include universal serial bus line concentrator in order to control in place of difference
12b.Similarly, power transfer module 12a is coupled to port 11 and processing unit 14, to pass through monitor channel configuration foot position
(the pin A5 and pin B5 of Fig. 2) detects sync signal.If sync signal is abnormal, power transfer module 12a can generate triggering
Signal.Universal serial bus line concentrator (USB Hub) 12b is coupled to power transfer module 12a, port 11 and processing unit
14, to receive triggering signal.Also, universal serial bus line concentrator 12b can start wrong bulletin work(according to triggering signal
It can be to generate notice signal BS to processing unit 14.In the present embodiment, mistake bulletin function can be in USB Type-C specifications
Billboard Function, and signal BS is notified to be alternatively wrong bulletin signal (Billboard Signal).It is such as aforementioned
It refers to, when notifying the current potential of signal BS to change (such as becoming high potential from low potential), processing unit 14 and can detect
Exit port 11 is abnormal the time point of state, and generates link fail message according to this to display 15, and according to OSD menus 16
Interior setting, selectively operating control device 12 port 11 and signal source 10 are linked up again.
Fig. 5 is the transmission of high speed universal serial bus data HSD and low speed universal serial bus data LSD in system 100
The schematic diagram in path.It is referred in aforementioned, port 11 can be the port of USB Type-C specifications.Port 11 may include symmetrical above and below
Pin A1 to A12 and pin B1 to B12.In port 11, if operating under transmission alternating pattern, as shown in Fig. 2, pin
A2, pin A3, pin A10 and pin A11 (and its symmetrical pin B2, pin B3, pin B10 and pin B11) can be used for passing
The video-audio data and high speed universal serial bus data HSD of the DP of defeated more high speed.High speed universal serial bus data HSD can be
The data of full duplex hypervelocity data communication specification (Full Duplex USB 3.0).And pin A6 and A7 (and its symmetrical pin
B6 and B7) it can be used for transmitting the universal serial bus data LSD of more low speed.Low speed universal serial bus data LSD can be USB
The data of 2.0 specifications.The audiovisual materials of the DP of the corresponding more high speed in port 11 and the data HSD's of high speed universal serial bus
Pin is (for example, pin A2, pin A3, pin A10, pin A11 and its symmetrical pin B2, pin B3, pin B10 and pin
B11 power transfer module 12a can) be coupled to.Therefore, power transfer module 12a can receive the output caused by signal source 10
In signal, the video-audio data of DP and the part of high speed universal serial bus data HSD.And universal serial bus line concentrator 12b
Can be coupled in port 11, the pin of corresponding low speed universal serial bus (for example, pin A6, A7 and its symmetrical pin B6 and
B7), receiving low speed universal serial bus data LSD (such as the numbers of 2.0 specifications of USB of output signal by port 11
According to) part.Also, it is referred to Ru aforementioned, since multiplexer 13 can be by the video-audio data and high speed universal serial bus of DP
Data HSD separation.Therefore, the video-audio data of DP can be received by processing unit 14.And universal serial bus line concentrator 12b can coupling
It is connected to multiplexer 13, to receive the high speed universal serial bus data HSD that multiplexer 13 is exported.In other words, right
, can be directly by the pin of low speed universal serial bus for universal serial bus line concentrator 12b, receiving port 11 is passed
The low speed universal serial bus data LSD sent also can receive the high speed universal serial bus data HSD that multiplexer 13 exports.
Therefore, within system 100, universal serial bus line concentrator 12b can receive the universal serial bus data of high speed and low speed.
Within system 100, as shown in figure 5, universal serial bus line concentrator 12b can generate notice signal BS to handle dress
14 are set, processing unit 14 is made to show link fail message on the image of display 15.Also, universal serial bus line concentrator
12b also can will link fail message, and the wrong bulletin function (Billboard Function) of being supported using it feeds back to news
Number source 10.For example, when signal source 10 is personal computer or laptop, according to universal serial bus line concentrator
The link fail message of 12b feedbacks can show link fail message in the lower right corner of computer desktop.Therefore, for user
For, either in the one end in signal source 10 or in one end of display 15, generation is linked when port 11 and signal source 10
When abnormal, it can inspect it and link fail message.However, the system 100 of the present invention is but not limited system.For example, exist
In Fig. 3, universal serial bus line concentrator 12b is omitted in control device 12.Although universal serial bus line concentrator is omitted
The control device 12 of 12b will not feed back display link fail message to the one end in signal source 10, however, control device 12 still can profit
Notifier processes device 14 (can be generated) by power transfer module 12a with notice signal BS, to be shown on the image of display 15
Link fail message.Therefore, for user, still link fail message can be inspected in one end of display 15.It is being
In system 100, any rational technology alteration or hardware change belong to disclosed herein scope.
In conclusion the present invention describes a kind of system with link function of reset.Include support high speed number in system
According to the ports USB Type-C under transport protocol.Also, system also supports signal to transmit alternating pattern, can pass through USB Type-C
The video-audio data of the digital video signal interface standard specification of port simultaneous transmission, and high speed and low speed universal serial bus number
According to.When the connection status of port and signal source is abnormal, system can utilize monitoring and controlling channels configuration foot position to detect abnormal shape
State, resetting signal will be generated to control device, to be linked up again with signal source by being followed by subsequent processing device.Processing unit also will produce chain
It connects on fail message to the image of display.Therefore, for user, in addition to self-defined whether can automatically carry out
It links outside reset process, the shape of port exception can also be immediately appreciated that by the link fail message being shown on display image
State and handled in time.Therefore, the system with link function of reset of the invention with very high operation ease with
And detect wrong ability.
The present invention is described by above-mentioned related embodiment, however above-described embodiment is only the example for implementing the present invention.
It must be noted that the embodiment disclosed is not limiting as the scope of the present invention.On the contrary, do not depart from the present invention spirit and
It is changed and retouched made by range, belongs to the scope of patent protection of the present invention.
Claims (10)
1. a kind of system with link function of reset, which is characterized in that include：
Signal source, to generate output signal；
Port is coupled to the signal source, to receive the output signal；
Control device is coupled to the port, to generate sync signal to the port according to the output signal, so that the control fills
Set and the output signal be synchronously received by the port, and if the sync signal it is abnormal, generate notice signal；
Multiplexer is coupled to the control device, to be transmitted under alternating pattern in signal, which is separated into audio-visual
Data and high speed universal serial bus data；And
Processing unit is coupled to the multiplexer and the control device, to receive the video-audio data, and according to notice news
Number, resetting signal is generated to the control device, so that the control device is linked up again by the port and the signal source.
2. the system as claimed in claim 1, which is characterized in that also include：
Display is coupled to the processing unit, to show image according to the video-audio data, and to adjust function by screen
Menu inputs the resetting setting under the transmission alternating pattern；
The wherein processing unit links fail message according to the notice signal in being generated on the image that the display is shown.
3. the system as claimed in claim 1, which is characterized in that the control device includes：
Power transfer module is coupled to the port, to detect the sync signal by monitor channel configuration foot position, and if this is same
It is abnormal to walk signal, generates the notice signal to the processing unit.
4. the system as claimed in claim 1, which is characterized in that the control device includes：
Power transfer module is coupled to the port, to detect the sync signal by monitor channel configuration foot position, and if this is same
It is abnormal to walk signal, generates triggering signal；And
Universal serial bus line concentrator is coupled to the power transfer module, to receive the triggering signal, and according to the triggering
Signal starts wrong bulletin function to generate the notice signal to the processing unit.
5. system as claimed in claim 4, which is characterized in that the universal serial bus line concentrator is coupled to the port, uses
To receive low speed universal serial bus data and the universal serial bus line concentrator coupling of the output signal by the port
In the multiplexer, to receive the high speed universal serial bus data of multiplexer output.
6. the system as claimed in claim 1, which is characterized in that if the sync signal is abnormal, this of control device generation is logical
Know that signal becomes the second current potential from the first current potential, and first current potential is less than second current potential.
7. the system as claimed in claim 1, which is characterized in that the port is Type-C USB ports, this is audio-visual
Data are digital video signal interface standard specification and the high speed universal serial bus data are full duplex hypervelocity data communication rule
Lattice.
8. system as claimed in claim 7, which is characterized in that the Type-C USB ports include multiple pairs of
Full-duplex data receives and dispatches pin, and is transmitted under alternating pattern in the signal, in multiple pairs of full-duplex data transmitting-receiving pin,
At least one pairs of full-duplex data receives and dispatches pin to transmit the audio-visual number of the digital video signal interface standard specification
According to.
9. the system as claimed in claim 1, which is characterized in that the port is linked up after n times again with the signal source, the processing
Device generates stop signal to the control device, and to suspend the communication of the control device and the signal source, and N is just more than 1
Integer.
10. the system as claimed in claim 1, which is characterized in that if the voltage of the output signal be down to threshold current potential or less and
The sync signal is set to be abnormal, which generates the notice signal to the processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810358372.XA CN108763130B (en) | 2018-04-20 | 2018-04-20 | System with link reset function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810358372.XA CN108763130B (en) | 2018-04-20 | 2018-04-20 | System with link reset function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108763130A true CN108763130A (en) | 2018-11-06 |
| CN108763130B CN108763130B (en) | 2022-03-08 |
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| CN201810358372.XA Active CN108763130B (en) | 2018-04-20 | 2018-04-20 | System with link reset function |
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| TWI713369B (en) * | 2019-08-02 | 2020-12-11 | 明基電通股份有限公司 | Video conferencing system and transmitter thereof |
| CN114968879A (en) * | 2021-02-22 | 2022-08-30 | 创惟科技股份有限公司 | Multi-image output system and USB concentrator thereof |
| US11671583B2 (en) | 2019-08-01 | 2023-06-06 | Benq Intelligent Technology (Shanghai) Co., Ltd | Video conferencing system and transmitter thereof |
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| CN108763130B (en) | 2022-03-08 |
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