CN104867315B - A kind of control system and method for infrared remote-controlled signal - Google Patents
A kind of control system and method for infrared remote-controlled signal Download PDFInfo
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- CN104867315B CN104867315B CN201510288108.XA CN201510288108A CN104867315B CN 104867315 B CN104867315 B CN 104867315B CN 201510288108 A CN201510288108 A CN 201510288108A CN 104867315 B CN104867315 B CN 104867315B
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Abstract
The embodiment of the present invention provides the control system and method for a kind of infrared remote-controlled signal, in power consumption and under the premise of cost is relatively low, can improve the probability of acceptance of the infrared remote-controlled signal of focal length projection device, promote user experience.Control system includes remote controler, focal length projection device, projection medium and the infrared signal enhancement device being set in distance projection medium preset range；Wherein, remote controler, for emitting infrared remote-controlled signal；Focal length projection device and infrared signal enhancement device, for receiving infrared remote-controlled signal；Focal length projection device, is also used to after receiving infrared remote-controlled signal, according to infrared remote-controlled signal, executes corresponding operating, and send feedback signal and give infrared signal enhancement device；Infrared signal enhancement device, is also used to after receiving infrared remote-controlled signal, and determines and do not receive feedback signal, sends infrared remote-controlled signal and gives focal length projection device.The present invention is suitable for infrared remote-controlled signal control field.
Description
Technical field
The present invention relates to the control systems and side of infrared remote-controlled signal control field more particularly to a kind of infrared remote-controlled signal
Method.
Background technique
Focal length projection device is a kind of three meters of off screen curtain or more the projection devices projected, what this projection device was placed
Position is generally at the rear or top of user's viewing location.User in use, be accustomed to against projection device projection medium (such as
Projection screen or wall) operation IR remote controller, so that the infrared remote-controlled signal that IR remote controller issues is anti-by projection medium
It is mapped on the remote control reception window of projection device, and then projection device controls projection device according to the infrared remote-controlled signal.
However, since infrared remote-controlled signal has directionality, in the reflection process of infrared remote-controlled signal, very may be used
Infrared remote-controlled signal can occur can not just reflex to the remote control reception window of projection device, to lose asking for infrared remote-controlled signal
Topic, and then be that IR remote controller is insensitive or projection device reacts slow to the visual sense of user, to reduce user's body
It tests.
To solve this problem, infrared remote control can be replaced using Bluetooth remote control in the prior art, because bluetooth does not have side
Tropism.But Bluetooth remote control power consumption is larger, for normal remote control using in battery powered situation, needs to be replaced frequently electricity
Pond, and module higher cost, are unfavorable for promoting.
Therefore, how in power consumption and under the premise of cost is relatively low, connecing for the infrared remote-controlled signal of focal length projection device is improved
The technical issues of receiving probability, being current urgent need to resolve.
Summary of the invention
The embodiment of the present invention provides the control system and method for a kind of infrared remote-controlled signal, can power consumption and cost compared with
Under the premise of low, the probability of acceptance of the infrared remote-controlled signal of focal length projection device is improved, promotes user experience.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that
In a first aspect, providing a kind of control system of infrared remote-controlled signal, the control system includes remote controler, focal length throwing
Shadow equipment and projection medium, the control system further include the infrared signal being set in the projection medium preset range
Enhancement device；Wherein,
The remote controler, for emitting infrared remote-controlled signal；
The focal length projection device and the infrared signal enhancement device, for receiving the infrared remote-controlled signal；
The focal length projection device, is also used to after receiving the infrared remote-controlled signal, according to the infrared remote control
Signal executes corresponding operating, and sends feedback signal to the infrared signal enhancement device；
The infrared signal enhancement device, is also used to after receiving the infrared remote-controlled signal, and determination does not receive
To the feedback signal, the infrared remote-controlled signal is sent to the focal length projection device.
Specifically, in the control system of infrared remote-controlled signal provided in an embodiment of the present invention, due in distance out-of-focus projection
Infrared signal enhancement device is increased in the projection medium preset range of equipment, which can receive infrared
Remote signal, and when focal length projection device does not receive infrared remote-controlled signal, forward the infrared remote-controlled signal received to length
Out-of-focus projection's equipment, so that focal length projection device executes corresponding operating according to the infrared remote-controlled signal.On the one hand, it avoids existing
Have in technology, in the reflection process of infrared remote-controlled signal, if infrared remote-controlled signal can not just reflex to focal length projection device
Remote control reception window, so that the problem of losing infrared remote-controlled signal, improves connecing for the infrared remote-controlled signal of focal length projection device
Receive probability；On the other hand, it is by infrared receiving module, processing module and infrared transmission module due to the infrared signal enhancement device
It can be achieved, cost is relatively low, and power consumption is smaller, therefore also avoids larger using Bluetooth remote control power consumption in the prior art, higher cost,
It is unfavorable for the problem of promoting.
To sum up, the control system of infrared remote-controlled signal provided in an embodiment of the present invention, can be in power consumption and lower-cost
Under the premise of, the probability of acceptance of the infrared remote-controlled signal of focal length projection device is improved, user experience is promoted.
Second aspect, provides a kind of control method of infrared remote-controlled signal, and the control method is believed applied to infrared remote control
Number control system, the control system includes: that remote controler, focal length projection device, projection and are set to apart from the throwing medium
Infrared signal enhancement device in shadow medium preset range；The described method includes:
The remote controler emits infrared remote-controlled signal；
The focal length projection device receives the infrared remote-controlled signal；And the infrared signal enhancement device receives institute
State infrared remote-controlled signal；
After the focal length projection device receives the infrared remote-controlled signal, the focal length projection device is according to
Infrared remote-controlled signal executes corresponding operating, and sends feedback signal to the infrared signal enhancement device；
After the infrared signal enhancement device receives the infrared remote-controlled signal, and infrared signal enhancing dress
It sets determination and does not receive the feedback signal, send the infrared remote-controlled signal to the focal length projection device.
Specifically, in the control method of infrared remote-controlled signal provided in an embodiment of the present invention, due in distance out-of-focus projection
Infrared signal enhancement device is increased in the projection medium preset range of equipment, which can receive infrared
Remote signal, and when focal length projection device does not receive infrared remote-controlled signal, forward the infrared remote-controlled signal received to length
Out-of-focus projection's equipment, so that focal length projection device executes corresponding operating according to the infrared remote-controlled signal.On the one hand, it avoids existing
Have in technology, in the reflection process of infrared remote-controlled signal, if infrared remote-controlled signal can not just reflex to focal length projection device
Remote control reception window, so that the problem of losing infrared remote-controlled signal, improves connecing for the infrared remote-controlled signal of focal length projection device
Receive probability；On the other hand, it is by infrared receiving module, processing module and infrared transmission module due to the infrared signal enhancement device
It can be achieved, cost is relatively low, and power consumption is smaller, therefore also avoids larger using Bluetooth remote control power consumption in the prior art, higher cost,
It is unfavorable for the problem of promoting.
To sum up, the control method of infrared remote-controlled signal provided in an embodiment of the present invention, can be in power consumption and lower-cost
Under the premise of, the probability of acceptance of the infrared remote-controlled signal of focal length projection device is improved, user experience is promoted.
Detailed description of the invention
Fig. 1 is the control system architecture schematic diagram of infrared remote-controlled signal provided in an embodiment of the present invention；
Fig. 2 is the path signal of infrared remote-controlled signal in the control system of infrared remote-controlled signal provided in an embodiment of the present invention
Figure one；
Fig. 3 is the path signal of infrared remote-controlled signal in the control system of infrared remote-controlled signal provided in an embodiment of the present invention
Figure two；
Fig. 4 is the path signal of infrared remote-controlled signal in the control system of infrared remote-controlled signal provided in an embodiment of the present invention
Figure three；
Fig. 5 is the timing diagram of infrared remote-controlled signal provided in an embodiment of the present invention；
Fig. 6 is the control method interaction schematic diagram one of infrared remote-controlled signal provided in an embodiment of the present invention；
Fig. 7 is the control method interaction schematic diagram of infrared remote-controlled signal provided in an embodiment of the present inventionTwo。
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
For the ease of clearly describing the technical solution of the embodiment of the present invention, in an embodiment of the present invention, use " the
One ", the printed words such as " second " distinguish function and the essentially identical identical entry of effect or similar item, and those skilled in the art can
To understand that the printed words such as " first ", " second " are not defined quantity and execution order.
Embodiment one,
The embodiment of the present invention provides a kind of control system of infrared remote-controlled signal, as shown in Figure 1, the control system includes
Remote controler, focal length projection device project medium and are set in the projection medium preset range apart from the focal length projection device
Infrared signal enhancement device.Wherein,
The remote controler, for emitting infrared remote-controlled signal.
The focal length projection device and the infrared signal enhancement device, for receiving the infrared remote-controlled signal.
The focal length projection device, is also used to after receiving the infrared remote-controlled signal, according to the infrared remote control
Signal executes corresponding operating, and sends feedback signal to the infrared signal enhancement device.
The infrared signal enhancement device, is also used to after receiving the infrared remote-controlled signal, and determination does not receive
To the feedback signal, the infrared remote-controlled signal is sent to the focal length projection device.
That is, in the control system of infrared remote-controlled signal provided in an embodiment of the present invention, in the throwing of distance out-of-focus projection equipment
Infrared signal enhancement device is increased in shadow medium preset range.The infrared remote-controlled signal that remote controler issues may only be situated between through projection
It is received after matter reflection by focal length projection device；It may also only be received by infrared signal enhancement device；It is also possible to not only red
External signal enhancement device receives, and may be received after projecting dieletric reflection by focal length projection device.It below will be respectively
These three situations are described as follows:
Situation one: as illustrated in fig. 2, it is assumed that infrared remote-controlled signal 1 is only connect after projecting dieletric reflection by focal length projection device
It receiving, then focal length projection device, according to infrared remote-controlled signal 1, executes corresponding operating after receiving infrared remote-controlled signal 1,
And it sends feedback signal and gives infrared signal enhancement device；The determination of infrared signal enhancement device receives feedback signal, wouldn't execute
Operation.
Situation two: as shown in Figure 3, it is assumed that infrared remote-controlled signal 2 is received after projecting dieletric reflection by focal length projection device
It arrives, and infrared remote-controlled signal 2 is received by infrared signal enhancement device, is then receiving infrared remote control in focal length projection device
After signal 2, according to infrared remote-controlled signal 2, corresponding operating is executed, and send feedback signal and give infrared signal enhancement device；It is red
For external signal enhancement device after receiving infrared remote-controlled signal 2, determination receives feedback signal, wouldn't execute operation, to prevent
Only cause focal length projection device can not analytic signal due to signal overlap.
Situation three: it is assumed that infrared remote-controlled signal 3 is only received by infrared signal enhancement device, then infrared letter
Number enhancement device is after receiving infrared remote-controlled signal 3, since focal length projection device does not receive infrared remote-controlled signal 3,
Therefore feedback signal will not be sent and give infrared signal enhancement device, and then the determination of infrared signal enhancement device does not receive feedback letter
Number, therefore infrared signal enhancement device sends infrared remote-controlled signal 3 and gives focal length projection device, so that the reception of focal length projection device is red
Outer remote signal 3, and according to infrared remote-controlled signal 3, corresponding operating is executed, and send feedback signal to enhance dress to infrared signal
It sets.
It should be noted that the control system of infrared remote-controlled signal provided in an embodiment of the present invention is in specific implementation, need
To increase an infrared signal transmitting module, in focal length projection device to send feedback letter by the infrared signal transmitting module
Number, the present invention is not especially limit this.
It should be noted that the control system of infrared remote-controlled signal provided in an embodiment of the present invention is in specific implementation, it is red
External signal enhancement device can specifically include IR signal reception module, infrared signal transmitting module and processing module, wherein can
To receive infrared remote-controlled signal and feedback signal by IR signal reception module, signal is parsed etc. by processing module
Processing sends infrared remote-controlled signal by infrared signal transmitting module, and the present invention is not especially limit this.
It should be noted that since IR signal reception module has certain receiving angle, such as the standard one of TV
As be ± 60 °, receiving angle is bigger, thus the infrared signal enhancement device in the embodiment of the present invention can be set in away from
In projection medium preset range from focal length projection device, because projection medium is located at the front of user, as long as before user
Side, infrared signal enhancement device can receive infrared remote-controlled signal substantially, without being particularly limited to infrared signal enhancement device
Installation site in front.For example, the remote control reception window of TV, which is also not, uses the front of position in user, it may be to
All directions deviate up and down, but have no effect on the use of remote controler.
Preferably, if the projection medium is projection screen, the infrared enhancement device is set under the projection screen
Hold spool positions.
Preferably, if the projection medium is wall, the infrared enhancement device is set on the wall.
Specifically, in the control system of infrared remote-controlled signal provided in an embodiment of the present invention, due in distance out-of-focus projection
Infrared signal enhancement device is increased in the projection medium preset range of equipment, which can receive infrared
Remote signal, and when focal length projection device does not receive infrared remote-controlled signal, forward the infrared remote-controlled signal received to length
Out-of-focus projection's equipment, so that focal length projection device executes corresponding operating according to the infrared remote-controlled signal.On the one hand, it avoids existing
Have in technology, in the reflection process of infrared remote-controlled signal, if infrared remote-controlled signal can not just reflex to focal length projection device
Remote control reception window, so that the problem of losing infrared remote-controlled signal, improves connecing for the infrared remote-controlled signal of focal length projection device
Receive probability；On the other hand, it is by infrared receiving module, processing module and infrared transmission module due to the infrared signal enhancement device
It can be achieved, cost is relatively low, and power consumption is smaller, therefore also avoids larger using Bluetooth remote control power consumption in the prior art, higher cost,
It is unfavorable for the problem of promoting.
To sum up, the control system of infrared remote-controlled signal provided in an embodiment of the present invention, can be in power consumption and lower-cost
Under the premise of, the probability of acceptance of the infrared remote-controlled signal of focal length projection device is improved, user experience is promoted.
Further, it is contemplated that in above situation three, if infrared signal receiving apparatus transmission infrared remote-controlled signal 3 is too late
When, it may cause user and feel obvious delay, and then reduce user experience, therefore, in the embodiment of the present invention, the focal length
Projection device and the infrared signal enhancement device, for receiving the infrared remote-controlled signal, comprising:
The focal length projection device and the infrared signal enhancement device, for receiving the guidance of the infrared remote-controlled signal
Code.
The focal length projection device, is also used to after receiving the infrared remote-controlled signal, according to the infrared remote control
Signal executes corresponding operating, and sends feedback signal to the infrared signal enhancement device, comprising:
The focal length projection device, is also used to after receiving the infrared remote-controlled signal, according to the infrared remote control
Signal executes corresponding operating, and sends feedback signal to the infrared signal enhancement device in second time period, wherein described
Second time period is the section of next free time of period where the guidance code.
The infrared signal enhancement device, is also used to after receiving the infrared remote-controlled signal, and determination does not receive
To the feedback signal, the infrared remote-controlled signal is sent to the focal length projection device, comprising:
The infrared signal enhancement device, is also used to after receiving the infrared remote-controlled signal, and determines described the
The feedback signal is not received in two periods, sends the infrared remote-controlled signal to the long out-of-focus projection in the third period
Equipment, wherein the third period is next busy period of the second time period.
Illustratively, as shown in figure 5, when remote controler issues infrared remote-controlled signal, if focal length projection device receives this
The guidance code of infrared remote-controlled signal, then will be in the section of next free time of period where the guidance code (i.e. T1 period)
(i.e. T2 period) sends feedback signal and gives infrared signal enhancement device；Otherwise, do not send feedback signal enhances to infrared signal
Device.
If focal length projection device receives the guidance code of the infrared remote-controlled signal, received in infrared signal enhancement device
After T1 sections, wait the feedback signal of focal length projection device will be in T2 if not receiving feedback signal within the T2 period
Between after section, the infrared remote-controlled signal received is sent to focal length projection device, is received by focal length projection device infrared distant
Signal is controlled, and according to infrared remote-controlled signal, executes corresponding operating.In this way, focal length projection device receives infrared remote-controlled signal
Delay is T1+T2, and infrared remote-controlled signal usually has fixed standard, and T1+T2 is usually no more than tens ms, and user generally will not
Discover, so that the user experience is improved.
It is of course also possible, as described before, having illustrated focal length projection device if infrared signal enhancement device receives feedback signal
Infrared remote-controlled signal is received, at this point, infrared signal enhancement device, which will not send infrared remote-controlled signal, gives focal length projection device, from
And avoid caused by the overlapping due to signal focal length projection device can not analytic signal the problem of generation.
Preferably, the length of the feedback signal is not more than the length of the corresponding signal of the second time period.
I.e., it is possible to feedback signal is designed to the short signal of signal more corresponding than second time period, so that long out-of-focus projection
Feedback signal once can be sent to infrared signal enhancement device by equipment, avoided focal length projection device and received infrared remote control
Signal, but since infrared signal enhancement device fails once to receive feedback signal in second time period, to be mistakenly considered to grow
Out-of-focus projection's equipment does not receive infrared remote-controlled signal, and then sends infrared remote-controlled signal and give focal length projection device, so that due to letter
Number be overlapped and cause focal length projection device can not analytic signal the case where generation, improve infrared remote-controlled signal control system can
By property.
Embodiment two,
The embodiment of the present invention provides a kind of control method of infrared remote-controlled signal, is particularly applicable in control as shown in Figure 1
In system, as shown in fig. 6, method includes:
S601, remote controler emit infrared remote-controlled signal.
S602, focal length projection device receive the infrared remote-controlled signal.
S603, infrared signal enhancement device receive the infrared remote-controlled signal.
Wherein, there is no inevitable execution sequencing between step S602 and step S603, step S602 can be first carried out,
Step S603 is executed again；Step S603 can also be first carried out, then executes step S602；It may also be performed simultaneously step S602 and step
Rapid S603, the present invention is not especially limit this.
S604, after focal length projection device receives the infrared remote-controlled signal, focal length projection device is according to described red
Outer remote signal executes corresponding operating.
S605, focal length projection device send feedback signal and give infrared signal enhancement device.
S606, after infrared signal enhancement device receives the infrared remote-controlled signal, and infrared signal enhancement device
Determination does not receive the feedback signal, sends the infrared remote-controlled signal and gives focal length projection device.
That is, in the control method of infrared remote-controlled signal provided in an embodiment of the present invention, in the throwing of distance out-of-focus projection equipment
Infrared signal enhancement device is increased in shadow medium preset range, the infrared remote-controlled signal that remote controler issues may only be situated between through projection
It is received after matter reflection by focal length projection device；It may also only be received by infrared signal enhancement device；It is also possible to not only red
External signal enhancement device receives, and may be received after projecting dieletric reflection by focal length projection device.Corresponding three kinds
Situation specifically refers in embodiment one that situation one is to situation three, and details are not described herein again.
As described in embodiment one, since IR signal reception module has certain receiving angle, such as the standard of TV
Usually ± 60 °, receiving angle is bigger, thus the infrared signal enhancement device in the embodiment of the present invention can be set in
In the projection medium preset range of distance out-of-focus projection equipment, because projection medium is located at the front of user, as long as user
Front, infrared signal enhancement device can receive infrared remote-controlled signal substantially, without being particularly limited to infrared signal enhancing dress
The installation site set is in front.For example, the remote control reception window of TV, which is also not, uses the front of position in user, it may
All directions deviate vertically and horizontally, but have no effect on the use of remote controler.
Preferably, if the projection medium is projection screen, the infrared enhancement device is set under the projection screen
Hold spool positions.
Preferably, if the projection medium is wall, the infrared enhancement device is set on the wall.
Specifically, in the control method of infrared remote-controlled signal provided in an embodiment of the present invention, due in distance out-of-focus projection
Infrared signal enhancement device is increased in the projection medium preset range of equipment, which can receive infrared
Remote signal, and when focal length projection device does not receive infrared remote-controlled signal, forward the infrared remote-controlled signal received to length
Out-of-focus projection's equipment, so that focal length projection device executes corresponding operating according to the infrared remote-controlled signal.On the one hand, it avoids existing
Have in technology, in the reflection process of infrared remote-controlled signal, if infrared remote-controlled signal can not just reflex to focal length projection device
Remote control reception window, so that the problem of losing infrared remote-controlled signal, improves connecing for the infrared remote-controlled signal of focal length projection device
Receive probability；On the other hand, it is by infrared receiving module, processing module and infrared transmission module due to the infrared signal enhancement device
It can be achieved, cost is relatively low, and power consumption is smaller, therefore also avoids larger using Bluetooth remote control power consumption in the prior art, higher cost,
It is unfavorable for the problem of promoting.
To sum up, the control method of infrared remote-controlled signal provided in an embodiment of the present invention, can be in power consumption and lower-cost
Under the premise of, the probability of acceptance of the infrared remote-controlled signal of focal length projection device is improved, user experience is promoted.
Further, it is contemplated that in above situation three, if infrared signal receiving apparatus transmission infrared remote-controlled signal 3 is too late
When, it may cause user and feel obvious delay, and then reduce user experience, therefore, in the embodiment of the present invention, such as Fig. 7 institute
Showing, focal length projection device receives the infrared remote-controlled signal (step S602), it can specifically include:
S602a, focal length projection device receive the guidance code of the infrared remote-controlled signal.
Infrared signal enhancement device receives the infrared remote-controlled signal (step S603), can specifically include:
S603a, infrared signal enhancement device receive the guidance code of the infrared remote-controlled signal.
Focal length projection device sends feedback signal to infrared signal enhancement device (step S605), can specifically include:
S605a, focal length projection device send feedback signal in second time period and give infrared signal enhancement device, wherein institute
State the section of next free time that second time period is the period where the guidance code.
After infrared signal enhancement device receives the infrared remote-controlled signal, and infrared signal enhancement device determines not
The feedback signal is received, the infrared remote-controlled signal is sent to focal length projection device (step S606), can specifically include:
S606a, after infrared signal enhancement device receives the infrared remote-controlled signal, and infrared signal enhancement device
It determines and does not receive the feedback signal in the second time period, send the infrared remote-controlled signal to length in the third period
Out-of-focus projection's equipment, wherein the third period is next busy period of the second time period.
Wherein, associated exemplary and beneficial effect can refer to example shown in fig. 5 in embodiment one, and the embodiment of the present invention is herein
It repeats no more.
Preferably, the length of the feedback signal is not more than the length of the corresponding signal of the second time period.
I.e., it is possible to feedback signal is designed to the short signal of signal more corresponding than second time period, so that long out-of-focus projection
Feedback signal once can be sent to infrared signal enhancement device by equipment, avoided focal length projection device and received infrared remote control
Signal, but since infrared signal enhancement device fails once to receive feedback signal in second time period, to be mistakenly considered to grow
Out-of-focus projection's equipment does not receive infrared remote-controlled signal, sends infrared remote-controlled signal and gives focal length projection device, so that due to signal weight
It is folded and cause focal length projection device can not analytic signal the case where generation, improve the reliable of infrared remote-controlled signal control method
Property.
It is apparent to those skilled in the art that for convenience and simplicity of description, the device of foregoing description,
Only the example of the division of the above functional modules, it in practical application, can according to need and by above-mentioned function distribution
It is completed by different functional modules, i.e., the internal structure of device is divided into different functional modules, it is described above to complete
All or part of function.System, the specific work process of device and unit of foregoing description can be implemented with reference to preceding method
Corresponding process in example, details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the module or
The division of unit, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units
Or component can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, institute
Display or the mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, device or unit
Indirect coupling or communication connection can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
It is each that equipment (can be personal computer, server or the network equipment etc.) or processor (processor) execute the present invention
The all or part of the steps of embodiment the method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory
(ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk
Etc. the various media that can store program code.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (8)
1. a kind of control system of infrared remote-controlled signal, the control system includes that remote controler, focal length projection device and projection are situated between
Matter, which is characterized in that the control system further includes that the infrared signal being set in the projection medium preset range increases
Intensity device；Wherein,
The remote controler, for emitting infrared remote-controlled signal；
The focal length projection device and the infrared signal enhancement device, for receiving the infrared remote-controlled signal；
The focal length projection device and the infrared signal enhancement device, are also used to receive the guidance of the infrared remote-controlled signal
Code；
The focal length projection device, is also used to after receiving the infrared remote-controlled signal, according to the infrared remote-controlled signal,
Corresponding operating is executed, and sends feedback signal to the infrared signal enhancement device, the second time period in second time period
For the section of next free time of period where the guidance code；
The infrared signal enhancement device, is also used to after receiving the infrared remote-controlled signal, and when determination described second
Between do not receive the feedback signal in section, then send the infrared remote-controlled signal in the third period and set to the long out-of-focus projection
Standby, the third period is next busy period of the second time period.
2. control system according to claim 1, which is characterized in that the length of the feedback signal is not more than described second
The length of period corresponding signal.
3. -2 described in any item control systems according to claim 1, which is characterized in that the projection medium is projection screen,
The infrared enhancement device is set to projection screen lower end spool positions.
4. -2 described in any item control systems according to claim 1, which is characterized in that the projection medium is wall, described
Infrared enhancement device is set on the wall.
5. a kind of control method of infrared remote-controlled signal, which is characterized in that the control method is applied to infrared remote-controlled signal
Control system, the control system include: remote controler, focal length projection device, projection medium and are set to apart from projection Jie
Infrared signal enhancement device in matter preset range；The described method includes:
The remote controler emits infrared remote-controlled signal；
The focal length projection device receives the infrared remote-controlled signal；And the infrared signal enhancement device receive it is described red
Outer remote signal；
The focal length projection device receives the guidance code of the infrared remote-controlled signal；And the infrared signal enhancement device connects
Receive the guidance code of the infrared remote-controlled signal；
After the focal length projection device receives the infrared remote-controlled signal, the focal length projection device is according to described infrared
Remote signal, executes corresponding operating, and sends feedback signal to the infrared signal enhancement device in second time period, and described the
Two periods were the section of next free time of period where the guidance code；
After the infrared signal enhancement device receives the infrared remote-controlled signal, and the infrared signal enhancement device is true
The feedback signal is not received in the fixed second time period, then sends the infrared remote-controlled signal to institute in the third period
Focal length projection device is stated, the third period is next busy period of the second time period.
6. control method according to claim 5, which is characterized in that the length of the feedback signal is not more than described second
The length of period corresponding signal.
7. according to the described in any item control methods of claim 5-6, which is characterized in that the projection medium is projection screen,
The infrared enhancement device is set to projection screen lower end spool positions.
8. according to the described in any item control methods of claim 5-6, which is characterized in that the projection medium is wall, described
Infrared enhancement device is set on the wall.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510288108.XA CN104867315B (en) | 2015-05-29 | 2015-05-29 | A kind of control system and method for infrared remote-controlled signal |
Applications Claiming Priority (1)
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| CN104867315B true CN104867315B (en) | 2019-11-29 |
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| JPH0522782A (en) * | 1991-07-17 | 1993-01-29 | Mitsubishi Denki Eng Kk | Remote controller |
| CN1400815A (en) * | 2001-07-26 | 2003-03-05 | 三星电子株式会社 | Projecting display system to send remote control signal to the screen |
| JP2005341246A (en) * | 2004-05-27 | 2005-12-08 | Computer Craft Inc | Control signal repeating device for projector |
| CN201203948Y (en) * | 2008-05-12 | 2009-03-04 | 连德伦 | Infrared remote-control signal translator |
| CN101615339A (en) * | 2008-06-25 | 2009-12-30 | 索尼株式会社 | Telepilot |
| CN103745583A (en) * | 2013-12-14 | 2014-04-23 | 朱佩芬 | LED (light-emitting diode) projector remote control transmitting system |
| CN103777451A (en) * | 2014-01-24 | 2014-05-07 | 京东方科技集团股份有限公司 | Projection screen, remote control terminal, projector, display device and projection system |
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| JPH0522782A (en) * | 1991-07-17 | 1993-01-29 | Mitsubishi Denki Eng Kk | Remote controller |
| CN1400815A (en) * | 2001-07-26 | 2003-03-05 | 三星电子株式会社 | Projecting display system to send remote control signal to the screen |
| JP2005341246A (en) * | 2004-05-27 | 2005-12-08 | Computer Craft Inc | Control signal repeating device for projector |
| CN201203948Y (en) * | 2008-05-12 | 2009-03-04 | 连德伦 | Infrared remote-control signal translator |
| CN101615339A (en) * | 2008-06-25 | 2009-12-30 | 索尼株式会社 | Telepilot |
| CN103745583A (en) * | 2013-12-14 | 2014-04-23 | 朱佩芬 | LED (light-emitting diode) projector remote control transmitting system |
| CN103777451A (en) * | 2014-01-24 | 2014-05-07 | 京东方科技集团股份有限公司 | Projection screen, remote control terminal, projector, display device and projection system |
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| CN104867315A (en) | 2015-08-26 |
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