CN110189511A - A kind of signal receiving device, wireless transmitting system and signal switching method - Google Patents
A kind of signal receiving device, wireless transmitting system and signal switching method Download PDFInfo
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- CN110189511A CN110189511A CN201910440528.3A CN201910440528A CN110189511A CN 110189511 A CN110189511 A CN 110189511A CN 201910440528 A CN201910440528 A CN 201910440528A CN 110189511 A CN110189511 A CN 110189511A
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000004891 communication Methods 0.000 claims abstract description 126
- 230000005540 biological transmission Effects 0.000 claims abstract description 46
- 238000005070 sampling Methods 0.000 claims abstract description 29
- 230000004044 response Effects 0.000 claims abstract description 16
- 239000000243 solution Substances 0.000 description 5
- 208000033748 Device issues Diseases 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/04—Non-electrical signal transmission systems, e.g. optical systems using light waves, e.g. infrared
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- Optical Communication System (AREA)
Abstract
The invention discloses a kind of signal receiving device, wireless transmitting system and signal switching method, the signal receiving device includes: infrared remote receiver, the first HDMI interface, sampling module, data processing module and the first communications module；The infrared remote receiver is used to receive the infrared remote-controlled signal of infrared remote-control device transmission, and the infrared remote-controlled signal is converted into electric signal；Sampled data signal is sent first communications module for being sampled to the electric signal to obtain sampled data signal by the sampling module；The sampled data signal is converted into wireless signal and is sent to the sender unit by first communications module；The data processing module is for obtaining the vision signal that the first communications module is forwarded from sender unit, and the vision signal is sent to the playback equipment by the first HDMI interface, wherein, the vision signal is that the infrared remote-controlled signal that source device response signal emitter is sent is exported to the sender unit.
Description
Technical field
The present invention relates to fields of communication technology more particularly to a kind of signal receiving device, wireless transmitting system and signal to cut
Change method.
Background technique
Currently, mobile film projection equipment and home theater equipment are irregular in the market, traditional mobile film projection and family's shadow
Institute's equipment generally uses the mode of wire transmission, when needing to carry out channel switching to projection equipment, is usually filled by infrared remote control
The projection source for setting control projection equipment carries out signal switching.
However, since wireline cable needs to be routed, and the use space of user is usually renovated, thus to use
Family is made troubles, while the signal receiving device being adapted to projection equipment cannot achieve the parsing of a variety of infrared remote-controlled signals, nothing
Method is adapted to the remote signal that the IR remote controller of multiple types issues.
Therefore, how to overcome existing signal receiving device by wire transmission mode bring limitations and such as
What realizes that a variety of infrared parsings are those skilled in the art's technical problems urgently to be resolved.
Summary of the invention
The main purpose of the present invention is to provide a kind of signal receiving device, wireless transmitting system and signal switching method,
Aim to solve the problem that the limitations problem of wire transmission mode.
To achieve the above object, the present invention provides a kind of signal receiving device, applied to wireless transmitting system, the nothing
Line Transmission system further includes sender unit, and the signal receiving device and playback equipment are communicated to connect by transmission line, institute
Sender unit and source device are stated by transmission line communication connection, the signal receiving device includes: infrared remote receiver, the
One HDMI interface, sampling module, data processing module and the first communications module；The infrared remote receiver is infrared distant for receiving
The infrared remote-controlled signal that device is sent is controlled, and the infrared remote-controlled signal is converted into electric signal；
The sampling module for being sampled to the electric signal to obtain sampled data signal, and by hits it is believed that
Number send first communications module；
The sampled data signal is converted into wireless signal and is sent to the signal transmitting by first communications module
Device, so that sender unit generates infrared remote-controlled signal according to the wireless signal and is sent to source device；
The data processing module leads to for obtaining the vision signal that the first communications module is forwarded from sender unit
It crosses the first HDMI interface and sends the vision signal to the playback equipment, wherein the vision signal is source device response
The infrared remote-controlled signal that sender unit is sent is exported to the sender unit.
Preferably, the sampling module carries out the electric signal with the sample frequency greater than 120khz fully sampled to obtain
Fully sampled signal, and export the fully sampled signal as sampled data signal to first communications module.
Preferably, the sampling module samples the electric signal with the sample frequency greater than 120Khz complete to obtain
Electric signal is sampled, to obtain the carrier-frequency data and solution regulation of the fully sampled electric signal according to the fully sampled electric signal
Data processed；The sampling module regulates and controls data processed also according to carrier-frequency data reconciliation and generates the sampled data signal,
And it exports to first communications module.
Preferably, first communications module is wireless two-way communication mould group；The wireless communication of first communications module
Frequency is 2.404~2.494Ghz, 5.15~5.825GHz or 57GHz~66Ghz.
To achieve the above object, the present invention also provides a kind of wireless transmitting system, the wireless transmitting system includes signal
Emitter and signal receiving device, the signal receiving device and playback equipment are communicated to connect by transmission line, the signal
Emitter and source device are communicated to connect by transmission line；The signal receiving device includes: infrared remote receiver, the first HDMI
Interface, sampling module, data processing module and the first communications module；The infrared remote receiver is for receiving infrared remote-control device
The infrared remote-controlled signal of transmission, and the infrared remote-controlled signal is converted into electric signal；The sampling module is used for the electricity
Signal is sampled to obtain sampled data signal, and sampled data signal is sent first communications module；Described first
The sampled data signal is converted into wireless signal and is sent to the sender unit by communications module, so that signal emits
Device generates infrared remote-controlled signal according to the wireless signal and is sent to source device；The data processing module is for obtaining
The vision signal that first communications module is forwarded from sender unit, and by the first HDMI interface send the vision signal to
The playback equipment, wherein the vision signal is that the infrared remote-controlled signal that source device response signal emitter is sent is defeated
Out to the sender unit.
Preferably, the sender unit includes: infrared transmitter, the second communications module and data cache module；
Second communications module is for receiving the wireless signal that first communications module sends over, and by the wireless communication
Number it is sent to the infrared transmitter；The infrared transmitter generates infrared remote-controlled signal according to the wireless signal, and by institute
It states infrared remote-controlled signal and is sent to the source device, so that source device responds the infrared remote-controlled signal and sends out to the signal
Injection device sends vision signal；The data cache module is used to receive the vision signal that the source device is sent, and by institute
It states vision signal and signal receiving device is sent to by the second communications module, so that signal receiving device is defeated by the vision signal
Out to playback equipment.
Preferably, the sender unit further includes the second HDMI interface, and the sender unit passes through described the
Two HDMI interface are communicated to connect using transmission line and source device.
To achieve the above object, the present invention also provides a kind of signal switching methods, are applied to signal receiving device, the letter
Number reception device includes infrared remote receiver, the first HDMI interface and the first communications module, and the signal switching method includes: benefit
The infrared remote-controlled signal that infrared remote-control device is sent is received with the infrared remote receiver, and the infrared remote-controlled signal is converted into
Electric signal；The electric signal is sampled to obtain sampled data signal, and sampled data signal is sent described first and is led to
Believe mould group；The sampled data signal is converted into wireless signal using first communications module, and by the wireless signal
It is sent to the sender unit, so that sender unit generates infrared remote-controlled signal according to the wireless signal and sends
To source device；The vision signal that the first communications module is forwarded from sender unit is obtained, and is connect by the first HDMI
Mouth sends the vision signal to the playback equipment, wherein the vision signal is source device response signal emitter
The infrared remote-controlled signal of transmission is exported to the sender unit.
To achieve the above object, the present invention also provides a kind of signal switching methods, are applied to sender unit, the letter
Number emitter includes the second communications module and infrared transmitter, and the signal switching method includes: reception signal receiving device
The wireless signal of transmission, the wireless signal are the infrared remote-controlled signal production that signal receiving device responds that infrared remote-control device issues
It is raw；The wireless signal is converted into infrared remote-controlled signal using the infrared transmitter, and the infrared remote-controlled signal is sent out
The source device is given, so that source device, which responds the infrared remote-controlled signal, sends video letter to the sender unit
Number；It receives the source device and sends vision signal, and the vision signal is sent to signal by the second communications module and is connect
Receiving apparatus, so that signal receiving device exports the vision signal to playback equipment.
To achieve the above object, the present invention also provides a kind of signal receiving device, the wireless transmitting system further includes letter
Number emitter, the signal receiving device and playback equipment are communicated to connect by transmission line, the sender unit with believe
Source device is communicated to connect by transmission line, and the signal receiving device includes: infrared remote receiver；First communications module；First
HDMI interface；First memory, the first memory are stored with computer-readable program；And first processor, it is described
When first processor calls the computer-readable program, following methods are executed: being received using the infrared remote receiver infrared
The infrared remote-controlled signal that remote control device is sent, and the infrared remote-controlled signal is converted into electric signal；The electric signal is carried out
Sampled data signal is sent first communications module to obtain sampled data signal by sampling；Utilize first communication
The sampled data signal is converted into wireless signal by mould group, and the wireless signal is sent to the sender unit,
So that sender unit generates infrared remote-controlled signal according to the wireless signal and is sent to source device；Obtain the first communication
The vision signal that mould group is forwarded from sender unit, and the vision signal is sent to described by first HDMI interface
Playback equipment, wherein the vision signal be source device response signal emitter send infrared remote-controlled signal export to
The sender unit.
Compared with existing design, a kind of signal receiving device, wireless transmitting system and signal switching side provided by the invention
Sender unit is connect with source device by setting signal emitter and signal receiving device, signal is received by method
Device is connect with playback equipment, and sender unit is connect by wireless communication with signal receiving device, therefore may be such that
The signal of source device output can be sent to by wireless transmission and be transferred to signal receiving device, to effectively solve tradition letter
The limitations problem of source device and player wire transmission mode, synchronous signal emitter are provided with infrared remote receiver,
To receive infrared remote-controlled signal, and infrared remote-controlled signal is converted into electric signal, which can be infrared distant to this
The electric signal that control signal is converted into carries out parsing sampling, so that the sender unit can parse a variety of infrared remote control letters
Number.
Detailed description of the invention
Fig. 1 is a kind of wireless transmitting system frame construction drawing provided by first embodiment of the invention；
Fig. 2A is the signal receiving device that the present invention is wireless transmitting system and the module frame figure that playback equipment is adapted to；
Fig. 2 B is the schematic diagram that the electric signal that signal receiving device generates infrared remote receiver is demodulated.
Fig. 3 is the sender unit that the present invention is wireless transmitting system and the module frame figure that source device is adapted to；
Fig. 4 is the step flow chart of signal switching method provided by second embodiment of the invention；
Fig. 5 is the step flow chart of signal switching method provided by third embodiment of the invention；
Fig. 6 is the structural block diagram of signal receiving device provided by fourth embodiment of the invention；
Fig. 7 is the structural block diagram of sender unit provided by fifth embodiment of the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
The description and claims of this application and term " first ", " second ", " third ", " in above-mentioned attached drawing
The (if present)s such as four " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should manage
The data that solution uses in this way are interchangeable under appropriate circumstances, so that the embodiments described herein can be in addition to illustrating herein
Or the sequence other than the content of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that
Cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units need not limit
In step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, produce
The other step or units of product or equipment inherently.
It should be noted that the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot
It is interpreted as its relative importance of indication or suggestion or implicitly indicates the quantity of indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.In addition, the skill between each embodiment
Art scheme can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when technical solution
Will be understood that the combination of this technical solution is not present in conjunction with there is conflicting or cannot achieve when, also not the present invention claims
Protection scope within.
The present invention provides a kind of signal receiving device, wireless transmitting system and signal switching method.When user needs to broadcasting
When putting the vision signal that device is played and switching over, by the infrared remote-control device that is adapted to source device to signal receiving device
Infrared remote-controlled signal is sent, signal receiving device receives the infrared remote control that infrared remote-control device is sent using the infrared remote receiver
Signal, and the infrared remote-controlled signal is converted into electric signal；The electric signal is sampled to obtain sampled data signal,
And sampled data signal is sent into first communications module；The sampled data signal is turned using first communications module
It changes wireless signal into, and the wireless signal is sent to the sender unit, so that sender unit is by the nothing
Line signal generates infrared remote-controlled signal and is sent to source device；Obtain the view that the first communications module is forwarded from sender unit
Frequency signal, and the vision signal is sent to the playback equipment by first HDMI interface, wherein the vision signal
The infrared remote-controlled signal sent for source device response signal emitter is exported to the sender unit.
Since sender unit to be connect with source device, signal receiving device is connect with playback equipment, signal hair
Injection device is connect by wireless communication with signal receiving device, therefore may be such that the signal of source device output can pass through
Wireless transmission, which is sent to, is transferred to signal receiving device, to effectively solve traditional source device and player wire transmission mode
Limitations problem.
Further, sender unit is provided with infrared remote receiver, to receive infrared remote-controlled signal, and infrared remote control is believed
Number it is converted into electric signal, which can carry out parsing sampling to the electric signal that the infrared remote-controlled signal is converted into,
So that the sender unit can parse a variety of infrared remote-controlled signals.
Referring to Fig. 1, Fig. 1 is a kind of wireless transmitting system 100 that one embodiment of the invention provides, the wireless transmitting system
100 include signal receiving device 10 and sender unit 20.Signal receiving device 10 and playback equipment 50 pass through transmission line
Communication connection, to realize the transmission of signal between signal receiving device 10 and playback equipment 50.Sender unit 20 passes through biography
Defeated line and source device 30 are communicated to connect to realize that the signal between sender unit 20 and source device 30 transmits.
Fig. 2A is please referred to, signal receiving device 10 includes infrared remote receiver 101, the first HDMI interface 102, first communication mould
Group 103, sampling module 104 and data processing module 105.
Wherein, infrared remote receiver 101 is used to receive the infrared remote-controlled signal and this is infrared of the sending of infrared remote-control device 40
Remote signal is converted into electric signal, which includes at least the demodulation control data and number of carrier frequencies of infrared remote-control device 40
According to.
It is 30khz- that the infrared remote-controlled signal that infrared remote-control device 40 is sent is converted into carrier frequency by infrared remote receiver 101
The electric signal of 60khz.
Sampling module 104 is electrically connected with infrared remote receiver 101, for obtaining infrared remote receiver 101 for infrared remote-controlled signal
Converted electrical number, and electric signal is sent into the first communications module 103.
In some embodiments, sampling module 104 adopts the electric signal with the sample frequency greater than 120khz entirely
The fully sampled electric signal is sent to first communications module 103 to obtain fully sampled electric signal by sample, by described
First communications module 103 is sent to sender unit 20 with communication, so that signal transmitting 20 is fully sampled according to this
Electric signal generates infrared remote-controlled signal and is sent to source device 30, exports corresponding vision signal to control source device 30,
To realize the switching of vision signal output.
In some embodiments, sampling module 104 adopts the electric signal with the sample frequency greater than 120khz entirely
Sample is to obtain fully sampled electric signal, to obtain the carrier-frequency data of the fully sampled electric signal according to the fully sampled electric signal
And demodulation control data；The sampling module 104 regulates and controls described in data generation processed also according to carrier-frequency data reconciliation
Sampled data signal, and export to first communications module 103.The sampled data signal is passed compared to fully sampled output layer
Defeated data are less.
Fig. 2 B is please referred to, infrared remote-controlled signal is converted into electric signal C by infrared remote receiver 101, and sampling module 104 is to be greater than
The sample frequency of 120khz to the electric signal carry out it is fully sampled, by electric signal C demodulate with obtain binary coded signal A and
Pulse signal B, wherein data are controlled according to the available demodulation of binary coded signal A, can be obtained according to pulse signal B
Take carrier-frequency data.
First communications module 103 is electrically connected with sampling module 104, for sampled data signal to be converted into wireless signal,
And sender unit 20 is transmitted radio signals to, believe so that sender unit 20 generates infrared remote control according to wireless signal
Number and be sent to source device 30.The wireless signal includes demodulation control data and carrier-frequency data, sender unit 20
Infrared remote-controlled signal is generated according to demodulation control data and carrier-frequency data, wireless signal is also reduced into infrared remote control letter
Number.
Preferably, the first communications module 103 is wireless two-way communication mould group, can carry out reception of wireless signals and transmission,
The wireless communication frequency of first communications module 103 is 2.404~2.494Ghz, 5.15~5.825GHz or 57GHz~66Ghz.
Data processing module 105 is electrically connected with the first communications module 103 and the first HDMI interface 102, for obtaining first
The vision signal that communications module 103 is forwarded from sender unit 20, and by the first HDMI interface 102 send vision signal to
The playback equipment 50, wherein the vision signal is the infrared remote control that 30 response signal emitter 20 of source device is sent
Signal is exported to the sender unit 10.
Referring to Fig. 3, signal receiving device 20 includes the second communications module 201, data cache module 202, the 2nd HDMI
Interface 203 and infrared transmitter 204.Data cache module 202 and the second communications module 201, the second HDMI interface 203 and
Infrared transmitter 204 is electrically connected.
Second communications module 201 be two-way wireless communication mould group, for 10 company of carrying out wireless communication of signal receiving device
It connects, i.e., the wireless signal being converted into for receiving the infrared remote-controlled signal of the first communications module 103 transmission.
Infrared transmitter 204 generates infrared remote-controlled signal according to the wireless signal, and the infrared remote-controlled signal is sent
To source device 30, so that signalling arrangement 30 receives and parses through the infrared remote-controlled signal, it include letter in the infrared remote-controlled signal
The video signal information that source device 30 need to export, so that source device 30 exports the corresponding vision signal of the infrared remote-controlled signal.
Data cache module 202 is used to receive the vision signal of the transmission of source device 30, and vision signal is passed through second
Communications module 201 is sent to signal receiving device 10, so that vision signal is passed through the second HDMI interface by signal receiving device 10
203 outputs are to playback equipment 50.
Since sender unit to be connect with source device, signal receiving device is connect with playback equipment, signal hair
Injection device is connect by wireless communication with signal receiving device, therefore may be such that the signal of source device output can pass through
Wireless transmission, which is sent to, is transferred to signal receiving device, to effectively solve traditional source device and player wire transmission mode
Limitations problem.
It is red by being adapted to source device 30 when user wants that the vision signal exported to source device 30 switches over
Outer remote control device 40 sends infrared remote-controlled signal to signal receiving device 10, and signal receiving device 10 passes through infrared remote receiver 101
Infrared remote-controlled signal is received, and infrared remote-controlled signal is converted into electric signal.Sampling module 104 to the electric signal sampled with
Sampled data signal is obtained, and sampled data signal is sent to first communications module 103, the first communications module 103 will
Sampled data signal transmission is converted into wireless signal, and is sent to sender unit 20, and sender unit 20 passes through second
Communications module 201 receives the wireless signal, and the wireless signal is transmitted to infrared transmitter 204, and infrared transmitter 204 is by nothing
Line signal generates infrared remote-controlled signal, and the infrared remote-controlled signal is sent to source device 30, and the reception of source device 30 wants red
Outer remote signal simultaneously parses the infrared remote-controlled signal, to export corresponding vision signal according to the infrared remote-controlled signal, and will view
Frequency signal is sent to data cache module 202 by the second HDMI interface 203, and data cache module 202 passes through the second communication again
Vision signal is sent to signal receiving device 10 in the form of wireless communication by mould group 201.Signal receiving device 10 receives this
After vision signal, which is exported to playback equipment 50, to complete the signal switching of playback equipment 50.
Preferably, the resolution ratio for the vision signal that source device 30 exports is at least 480p, and frame per second is at least 24fps.
Referring to Fig. 4, Fig. 4 is a kind of signal switching method that one embodiment of the invention provides, which is answered
For the signal receiving device 10 of wireless transmitting system 100, which further includes sender unit 20, letter
Number reception device 20 and playback equipment 50 are communicated to connect by transmission line, and sender unit 20 passes through transmission with source device 30
Line communication connection, the signal receiving device 10 include infrared remote receiver 101 and the first communications module 103, the signal switching side
Method includes step S101-S105:
Step S101: the infrared remote-controlled signal that infrared remote-control device is sent is received using the infrared remote receiver, and by institute
It states infrared remote-controlled signal and is converted into electric signal.
When user switches over to the output vision signal to source device 30, connect by infrared remote-control device 40 to signal
Receiving apparatus 10 sends remote signal, and signal receiving device 10 receives the infrared remote-controlled signal by infrared remote receiver 101, and will connect
The infrared remote-controlled signal received is converted into electric signal.
Preferably, the infrared remote-controlled signal is converted into the electricity that carrier frequency is 30khz-60khz by infrared remote receiver 101
Signal.
Step S102: the electric signal is sampled to obtain sampled data signal, and sampled data signal is sent
First communications module.
Sender unit 10 is adopted so that the sample frequency greater than 120khz is fully sampled to electric signal progress with obtaining entirely
Sample electric signal, and the fully sampled electric signal is sent to first communications module 103, to pass through first communications module
103 are sent to sender unit 20 with communication, so that signal transmitting 20 is red according to fully sampled electric signal generation
Outer remote signal is simultaneously sent to source device 30, corresponding vision signal is exported to control source device 30, to realize video
The switching of signal output.
Step S103: being converted into wireless signal for the sampled data signal using first communications module, and by institute
It states wireless signal and is sent to the sender unit, so that sender unit generates infrared remote control according to the wireless signal
Signal is simultaneously sent to source device.
The sampled data signal received is converted into wireless signal by the first communications module 103, and the wireless signal is sent out
Sender unit 20 is given, so that sender unit 20 generates infrared remote-controlled signal according to wireless signal and is sent to information source
Equipment 30 realizes that source device 30 changes the vision signal of output.
Wherein, the first communications module 103 is wireless two-way communication mould group；And first communications module 103 wireless communication frequency
Rate is 2.404~2.494Ghz, 5.15~5.825GHz or 57GHz~66Ghz.
Namely first communications module 103 by the electric signal received be converted into carrier frequency be 2.404~2.494Ghz,
The wireless signal of 5.15~5.825GHz or 57GHz~66Ghz.
Step S104: the vision signal that the first communications module is forwarded from sender unit is obtained, and passes through the first HDMI
Interface sends the vision signal to the playback equipment, wherein the vision signal is source device response signal transmitting dress
The infrared remote-controlled signal for setting transmission is exported to the sender unit.
The vision signal that signal receiving device 10 is forwarded using the first communications module 103 is obtained from sender unit 20,
And vision signal is sent to playback equipment 50 by the first HDMI interface 102, wherein vision signal is the response letter of source device 30
What number emitter 20 was sent is issued by infrared remote-control device 40 and is forwarded by signal receiving device 10 and sender unit 20
Infrared remote-controlled signal export to the sender unit 10.
Preferably, the resolution ratio for the vision signal that source device 30 exports is at least 480p, and frame per second is at least the height of 24fps
Clear vision signal.
Referring to Fig. 5, Fig. 5 be another embodiment of the present invention provides a kind of signal switching method, be applied to wireless transmission
The sender unit 20 of system 100, the sender unit 20 include the second communications module 201 and infrared transmitter 204, letter
Number switching method includes step S201-S203.
Wherein, step S201: receiving the wireless signal that signal receiving device is sent, and the wireless signal is that signal receives dress
The infrared remote-controlled signal that response infrared remote-control device issues is set to generate.
Sender unit 20 receives the wireless signal that signal receiving device 10 is sent by the second communications module 201, should
Wireless signal is the infrared remote-controlled signal that the infrared remote-control device 40 that signal receiving device 10 receives issues, and this is infrared distant
Control signal is converted into electric signal, while fully sampled to electric signal progress, to obtain fully sampled electric signal, and will be described fully sampled
Electric signal is sent to first communications module, to be sent to the letter by first communications module with communication
Number emitter.
Preferably, sender unit 20 carries out the electric signal with the sample frequency greater than 120khz fully sampled to obtain
Obtain fully sampled electric signal.
Step S202: the wireless signal is converted into infrared remote-controlled signal using the infrared transmitter, and will be described red
Outer remote signal is sent to the source device, so that source device, which responds the infrared remote-controlled signal, emits dress to the signal
Set transmission vision signal.
It, will by infrared transmitter 204 after sender unit 10 will receive wireless signal by the second communications module 201
Wireless signal generates infrared remote-controlled signal, and the infrared remote-controlled signal is transmitted to source device 30 by infrared transmitter 204,
So that source device 30 exports corresponding vision signal according to infrared remote-controlled signal.
Step S203: it receives the source device and sends vision signal, and the vision signal is passed through into the second communication mould
Group is sent to signal receiving device, so that signal receiving device exports the vision signal to playback equipment.
Sender unit 20 receives source device 30 and sends vision signal, and the vision signal is passed through the second communication
Mould group 201 is sent to signal receiving device 10, so that signal receiving device 10 exports the vision signal to playback equipment 50,
Wherein, which is that the infrared remote-controlled signal that 30 response signal emitter 20 of source device issues generates.
Referring to Fig. 6, in some embodiments, the present invention also provides a kind of signal receiving device 10, which receives dress
It sets 10 and is applied to wireless transmitting system 100, which further includes sender unit 20, and signal receives dress
It sets 10 to communicate to connect with playback equipment 50 by transmission line, sender unit 20 and source device 30 pass through transmission line communication link
It connects, which includes: infrared remote receiver 101, the first communications module 103, the first HDMI interface 102, first deposits
Reservoir 105, first processor 104 and the first bus 106.Infrared remote receiver 101, the first communications module 103, the first HDMI connect
Mouth 102, first memory 105 are connect by the first bus 106 with first processor 104.
First memory 105 include at least a type of readable storage medium storing program for executing, the readable storage medium storing program for executing include flash memory,
Hard disk, multimedia card, card-type memory (for example, SD or DX memory etc.), magnetic storage, disk, CD etc..This first is deposited
Reservoir 105, for storing computer-readable signal switching method program.
First processor 104 can be central processing unit (Central Processing Unit, CPU), controller, micro-
Controller, microprocessor or other data processing chips, first processor 104 can call the journey stored in first memory 105
Sequence code or processing data, to perform the steps of
The infrared remote-controlled signal that infrared remote-control device is sent is received using the infrared remote receiver, and by the infrared remote control
Signal is converted into electric signal；
The electric signal is sampled to obtain sampled data signal, and sampled data signal is sent described first and is led to
Believe mould group；
The sampled data signal is converted into wireless signal using first communications module, and by the wireless signal
It is sent to the sender unit, so that sender unit generates infrared remote-controlled signal according to the wireless signal and sends
To source device；
The vision signal that the first communications module is forwarded from sender unit is obtained, and is sent out by first HDMI interface
Send the vision signal to the playback equipment, wherein the vision signal is the transmission of source device response signal emitter
Infrared remote-controlled signal export to the sender unit.
Preferably, it is 30khz-60khz's that the infrared remote-controlled signal is converted into carrier frequency by the infrared remote receiver
Electric signal；
Referring to Fig. 7, in some embodiments, the present invention also provides a kind of sender unit 20, signal transmitting dresses
It sets 20 and is applied to wireless transmitting system 100, which further includes signal receiving device 10, and signal receives dress
It sets 10 to communicate to connect with playback equipment 50 by transmission line, sender unit 20 and source device 30 pass through transmission line communication link
It connects, which includes: infrared transmitter 204, the second communications module 201, the second HDMI interface 203, second deposits
Reservoir 205, second processor 202 and the second bus 206.Infrared transmitter 204, the second communications module 201, the 2nd HDMI connect
Mouth 203, second memory 205 are connect by the second bus 206 with second processor 202.
Second memory 205 include at least a type of readable storage medium storing program for executing, the readable storage medium storing program for executing include flash memory,
Hard disk, multimedia card, card-type memory (for example, SD or DX memory etc.), magnetic storage, disk, CD etc..This second is deposited
Reservoir 205, for storing computer-readable signal switching method program.
Second processor 202 can be central processing unit (Central Processing Unit, CPU), controller, micro-
Controller, microprocessor or other data processing chips, second processor 202 can call the journey stored in second memory 205
Sequence code or processing data, to perform the steps of
The wireless signal that signal receiving device is sent is received, the wireless signal is that signal receiving device responds infrared remote control
The infrared remote-controlled signal that device issues generates；
The wireless signal is converted into infrared remote-controlled signal using the infrared transmitter, and the infrared remote control is believed
Number it is sent to the source device, sends and regard to the sender unit so that source device responds the infrared remote-controlled signal
Frequency signal；
It receives the source device and sends vision signal, and the vision signal is sent to letter by the second communications module
Number reception device, so that signal receiving device exports the vision signal to playback equipment.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of signal receiving device is applied to wireless transmitting system, which is characterized in that the wireless transmitting system further includes letter
Number emitter, the signal receiving device and playback equipment are communicated to connect by transmission line, the sender unit with believe
Source device is communicated to connect by transmission line, and the signal receiving device includes: infrared remote receiver, the first HDMI interface, sampling mould
Block, data processing module and the first communications module；
The infrared remote receiver is used to receive the infrared remote-controlled signal of infrared remote-control device transmission, and by the infrared remote-controlled signal
It is converted into electric signal；
The sampling module sends out sampled data signal for being sampled to the electric signal to obtain sampled data signal
Send first communications module；
The sampled data signal is converted into wireless signal and is sent to the sender unit by first communications module,
So that sender unit generates infrared remote-controlled signal according to the wireless signal and is sent to source device；
The data processing module passes through for obtaining the vision signal that the first communications module is forwarded from sender unit
One HDMI interface sends the vision signal to the playback equipment, wherein the vision signal is source device response signal
The infrared remote-controlled signal that emitter is sent is exported to the sender unit.
2. signal receiving device as described in claim 1, it is characterised in that: the sampling module is with the sampling greater than 120khz
Frequency is fully sampled to obtain fully sampled signal to electric signal progress, and using the fully sampled signal as sampled data signal
It exports to first communications module.
3. signal receiving device as described in claim 1, it is characterised in that: the sampling module is with the sampling greater than 120Khz
Frequency samples the electric signal to obtain fully sampled electric signal, to adopt entirely according to the fully sampled electric signal acquisition is described
The carrier-frequency data and demodulation control data of sample electric signal；The sampling module is conciliate also according to the carrier-frequency data
Regulate and control data processed and generate the sampled data signal, and exports to first communications module.
4. signal receiving device as claimed in claim 2, it is characterised in that: first communications module is wireless two-way communication
Mould group；
The wireless communication frequency of first communications module be 2.404~2.494Ghz, 5.15~5.825GHz or 57GHz~
66Ghz。
5. a kind of wireless transmitting system, which is characterized in that the wireless transmitting system includes that sender unit and signal receive
Device, the signal receiving device and playback equipment are communicated to connect by transmission line, the sender unit and source device
It is communicated to connect by transmission line；
The signal receiving device includes: infrared remote receiver, the first HDMI interface, sampling module, data processing module and
One communications module；
The infrared remote receiver is used to receive the infrared remote-controlled signal of infrared remote-control device transmission, and by the infrared remote-controlled signal
It is converted into electric signal；
The sampling module sends out sampled data signal for being sampled to the electric signal to obtain sampled data signal
Send first communications module；
The sampled data signal is converted into wireless signal and is sent to the sender unit by first communications module,
So that sender unit generates infrared remote-controlled signal according to the wireless signal and is sent to source device；
The data processing module passes through for obtaining the vision signal that the first communications module is forwarded from sender unit
One HDMI interface sends the vision signal to the playback equipment, wherein the vision signal is source device response signal
The infrared remote-controlled signal that emitter is sent is exported to the sender unit.
6. wireless transmitting system as claimed in claim 5, which is characterized in that the sender unit includes: infrared emission
Device, the second communications module and data cache module；
Second communications module is for receiving the wireless signal that first communications module sends over, and by the nothing
Line signal is sent to the infrared transmitter；
The infrared transmitter generates infrared remote-controlled signal according to the wireless signal, and the infrared remote-controlled signal is sent to
The source device, so that source device, which responds the infrared remote-controlled signal, sends vision signal to the sender unit；
The data cache module is used to receive the vision signal that the source device is sent, and the vision signal is passed through the
Two communications modules are sent to signal receiving device, so that signal receiving device exports the vision signal to playback equipment.
7. wireless transmitting system as claimed in claim 6, it is characterised in that: the sender unit further includes the 2nd HDMI
Interface, the sender unit are communicated to connect by second HDMI interface using transmission line and source device.
8. a kind of signal switching method is applied to signal receiving device, which is characterized in that the signal receiving device includes infrared
Receiver, the first HDMI interface and the first communications module, the signal switching method include:
The infrared remote-controlled signal that infrared remote-control device is sent is received using the infrared remote receiver, and by the infrared remote-controlled signal
It is converted into electric signal；
The electric signal is sampled to obtain sampled data signal, and sampled data signal is sent into the first communication mould
Group；
The sampled data signal is converted into wireless signal using first communications module, and the wireless signal is sent
To the sender unit, so that sender unit generates infrared remote-controlled signal according to the wireless signal and is sent to letter
Source device；
The vision signal that the first communications module is forwarded from sender unit is obtained, and institute is sent by first HDMI interface
Vision signal is stated to the playback equipment, wherein the vision signal is the red of source device response signal emitter transmission
Outer remote signal is exported to the sender unit.
9. a kind of signal switching method, be applied to sender unit, the sender unit include the second communications module and
Infrared transmitter, which is characterized in that the signal switching method includes:
The wireless signal that signal receiving device is sent is received, the wireless signal is that signal receiving device responds infrared remote-control device
The infrared remote-controlled signal of sending generates；
The wireless signal is converted into infrared remote-controlled signal using the infrared transmitter, and the infrared remote-controlled signal is sent out
The source device is given, so that source device, which responds the infrared remote-controlled signal, sends video letter to the sender unit
Number；
It receives the source device and sends vision signal, and the vision signal is sent to signal by the second communications module and is connect
Receiving apparatus, so that signal receiving device exports the vision signal to playback equipment.
10. a kind of signal receiving device, it is applied to wireless transmitting system, which is characterized in that the wireless transmitting system further includes
Sender unit, the signal receiving device and playback equipment are communicated to connect by transmission line, the sender unit and
Source device is communicated to connect by transmission line, and the signal receiving device includes:
Infrared remote receiver；
First communications module；
First HDMI interface；
First memory, the first memory are stored with computer-readable program；And
First processor when the first processor calls the computer-readable program, executes following methods:
The infrared remote-controlled signal that infrared remote-control device is sent is received using the infrared remote receiver, and by the infrared remote-controlled signal
It is converted into electric signal；
The electric signal is sampled to obtain sampled data signal, and sampled data signal is sent into the first communication mould
Group；
The sampled data signal is converted into wireless signal using first communications module, and the wireless signal is sent
To the sender unit, so that sender unit generates infrared remote-controlled signal according to the wireless signal and is sent to letter
Source device；
The vision signal that the first communications module is forwarded from sender unit is obtained, and institute is sent by first HDMI interface
Vision signal is stated to the playback equipment, wherein the vision signal is the red of source device response signal emitter transmission
Outer remote signal is exported to the sender unit.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110868426A (en) * | 2019-11-28 | 2020-03-06 | 深圳市朗强科技有限公司 | Data transmission method, system and equipment |
| CN113470336A (en) * | 2021-07-14 | 2021-10-01 | 深圳市朗强科技有限公司 | Wireless sending method, receiving method and equipment of control instruction |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR980013499A (en) * | 1996-07-12 | 1998-04-30 | 니시무로 타이조 | BIDIRECTIONAL REMOTE CONTROL APPARATUS |
| CN1607736A (en) * | 2003-10-14 | 2005-04-20 | 上海国皓电子有限公司 | Wireless transmission and controlling apparatus for video/ audio, multi-system TVs |
| CN1607780A (en) * | 2003-10-16 | 2005-04-20 | 上海富邦信息技术有限公司 | Wireless audio-video conversion transmitting-receiving system and method thereof |
| CN201145949Y (en) * | 2007-04-27 | 2008-11-05 | 上海贝岭矽创微电子有限公司 | Household image and sound wireless transmission device with tamper-proof function |
| CN101547027A (en) * | 2008-03-27 | 2009-09-30 | 昭通科技股份有限公司 | Video and audio radio broadcasting device |
| CN202872986U (en) * | 2012-10-31 | 2013-04-10 | 湖南航天卫星通信科技有限公司 | Double-input wireless high definition transmission system |
| CN203457141U (en) * | 2013-05-30 | 2014-02-26 | 中山市鑫皇电子有限公司 | Wireless data transmission system and video and audio system |
| CN207200865U (en) * | 2017-08-30 | 2018-04-06 | 深圳市朗强科技有限公司 | A kind of HDMI wireless transmitting systems, dispensing device and reception device |
-
2019
- 2019-05-24 CN CN201910440528.3A patent/CN110189511B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR980013499A (en) * | 1996-07-12 | 1998-04-30 | 니시무로 타이조 | BIDIRECTIONAL REMOTE CONTROL APPARATUS |
| CN1607736A (en) * | 2003-10-14 | 2005-04-20 | 上海国皓电子有限公司 | Wireless transmission and controlling apparatus for video/ audio, multi-system TVs |
| CN1607780A (en) * | 2003-10-16 | 2005-04-20 | 上海富邦信息技术有限公司 | Wireless audio-video conversion transmitting-receiving system and method thereof |
| CN201145949Y (en) * | 2007-04-27 | 2008-11-05 | 上海贝岭矽创微电子有限公司 | Household image and sound wireless transmission device with tamper-proof function |
| CN101547027A (en) * | 2008-03-27 | 2009-09-30 | 昭通科技股份有限公司 | Video and audio radio broadcasting device |
| CN202872986U (en) * | 2012-10-31 | 2013-04-10 | 湖南航天卫星通信科技有限公司 | Double-input wireless high definition transmission system |
| CN203457141U (en) * | 2013-05-30 | 2014-02-26 | 中山市鑫皇电子有限公司 | Wireless data transmission system and video and audio system |
| CN207200865U (en) * | 2017-08-30 | 2018-04-06 | 深圳市朗强科技有限公司 | A kind of HDMI wireless transmitting systems, dispensing device and reception device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110868426A (en) * | 2019-11-28 | 2020-03-06 | 深圳市朗强科技有限公司 | Data transmission method, system and equipment |
| CN113470336A (en) * | 2021-07-14 | 2021-10-01 | 深圳市朗强科技有限公司 | Wireless sending method, receiving method and equipment of control instruction |
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|---|---|
| CN110189511B (en) | 2021-01-05 |
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