CN109213051A - A kind of linked system, the control method and device of music projector - Google Patents
A kind of linked system, the control method and device of music projector Download PDFInfo
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- CN109213051A CN109213051A CN201811275408.4A CN201811275408A CN109213051A CN 109213051 A CN109213051 A CN 109213051A CN 201811275408 A CN201811275408 A CN 201811275408A CN 109213051 A CN109213051 A CN 109213051A
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- 230000004044 response Effects 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 3
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 12
- 238000012545 processing Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000005284 excitation Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 230000006698 induction Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000001939 inductive effect Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
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- 230000000750 progressive effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2615—Audio, video, tv, consumer electronics device
Abstract
The invention discloses linked system, the control method and device of a kind of music projector, which is characterized in that the system includes: projector, remote controler and music controller, wherein remote controler and projector are wirelessly connected, and remote signal is sent to projector by remote controler；Music controller is adsorbed on the host shell of projector by magnetic mode, and music controller and projector are wirelessly connected, and music control signal is sent to projector by music controller；Projector receives the remote signal booting that remote controler is sent, and leaves host shell in response to music controller, receives the music control signal that music controller is sent and is adjusted to music.The present invention is poor to the user experience effect for solving the problems, such as to carry out music control using projector general remote controller in the prior art.
Description
Technical field
The present invention relates to projector control technology fields, linked system, control more particularly to a kind of music projector
Method and device.
Background technique
Projector is a kind of equipment that can be projected image or video on curtain, with porjector technology it is continuous into
Step, projector have been widely used for family, office, school and Entertainment Scene.And its function is also gradually perfect, at present
Projector with functions such as musics mainly still realizes the control to music by remote controler, but due to distant
Control device needs to control multiple functions, for example, the operation such as the booting of projector, control volume, system setting, and project
After entering music playing mode, projector plays instrument without picture.Therefore, it is carried out using music of the remote controler to projector
Control, the mode that user's ear can only be leaned on to listen is not intuitive to the use of people, and in speaker mode and projects standby two states,
It is easy to obscure, reduces experience effect when user carries out music using projector.
Summary of the invention
It is directed to the above problem, the present invention provides linked system, the control method and device of a kind of music projector, to
Solve the problems, such as that the user experience effect for carrying out music control using projector general remote controller in the prior art is poor.
To achieve the goals above, the present invention provides the following technical scheme that
A kind of linked system of music projector, the system include: projector, remote controler and music controller, wherein
The remote controler and the projector are wirelessly connected, and remote signal is sent to the projector by the projector；
The music controller is adsorbed on the host shell of the projector by magnetic mode, the music controller and the throwing
Shadow instrument is wirelessly connected, and music control signal is sent to the projector by the music controller；Described in the projector receives
The remote signal booting that remote controler is sent, and the host shell is left in response to the music controller, receive the music
The music control signal that controller is sent is adjusted music.
A kind of control method, applied to the projector, this method comprises:
The enabled instruction that remote controler is sent is received, so that projector is in music pattern；
Judge whether the magnetic field of music controller placement location changes by Hall sensor, if so, receiving institute
State the music control signal of music controller transmission；
According to the music control signal music is adjusted so that the projector play music with it is described
Music control signal matches.
Optionally, when the projector in the standby state, receive control signal when, this method further include:
The control signal is parsed, signal identification is obtained；
Whether consistent with the signal identification of remote controler the signal identification is judged, if it is, the projector is carried out
Starting；
If the signal identification is consistent with the signal identification of music controller, controls the projector and enter speaker mould
Formula.
Optionally, when the music controller is in use state, this method further include:
Generate indicator, the indicator is sent to the remote controler so that the remote controler generate with it is described
The corresponding prompt information of indicator, wherein the indicator characterizes the music control and is in use state.
A kind of control method, applied to the music controller, this method comprises:
The control instruction that user is received by the rotating disk on music controller surface perceives magnetic field according to the control instruction
Variation generates magnetic field perceptual signal；
The magnetic field perceptual signal is parsed, music is obtained and controls signal；
Music control signal is sent to the projector, realizes that controlling signal by the music broadcasts projector
The control for the music put.
A kind of control device, applied to the projector, comprising:
Receiving unit, for receiving the enabled instruction of remote controler transmission, so that projector is in music pattern；
Judging unit, for judging whether the magnetic field of music controller placement location changes by Hall sensor,
If so, receiving the music control signal that the music controller is sent；
Adjustment unit is adjusted music for controlling signal according to the music, so that the projector is broadcast
The music put matches with music control signal.
Optionally, the device further include:
Resolution unit, for working as the projector in the standby state, when receiving control signal, to the control signal
It is parsed, obtains signal identification；
Judging unit is identified, for judging whether the signal identification is consistent with the signal identification of remote controler, if it is,
The projector is started；
Control unit controls the projection if consistent with the signal identification of music controller for the signal identification
Instrument enters speaker mode.
Optionally, the device further include:
Instruction generation unit, for indicator being generated, by the finger when the music controller is in use state
Show that instruction is sent to the remote controler, so that the remote controler generates prompt information corresponding with the indicator, wherein institute
It states indicator and characterizes the music control in use state.
A kind of control device, applied to the music controller, comprising:
Signal generation unit receives the control instruction of user for the rotating disk by music controller surface, according to institute
Control instruction sense changes in magnetic fields is stated, magnetic field perceptual signal is generated；
Signal resolution unit obtains music and controls signal for parsing to the magnetic field perceptual signal；
Signal transmitting unit, for music control signal to be sent to the projector, realization passes through the music
The control for the music that control signal plays projector.
Compared to the prior art, the present invention provides linked system, the control method and device of a kind of music projector,
It include that projector, remote controler and music controller will be to music during projector carries out music in the system
Control realized by music controller, music control is separated from the control of remote controler in this way, and music controls
Device is adsorbed on projector by magnetic mode, is only just used in music mode, solves and pass through in the prior art
Remote controler carries out the not accurate and cumbersome process of music control, improves body when user carries out music using projector
Test effect.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram of the linked system of music projector provided in an embodiment of the present invention；
Fig. 2 is a kind of flow diagram of the control method applied to projector provided in an embodiment of the present invention；
Fig. 3 is a kind of flow diagram of the control method applied to music controller provided in an embodiment of the present invention；
Fig. 4 is a kind of schematic diagram of the operation panel of music controller provided in an embodiment of the present invention；
Fig. 5 is a kind of structural schematic diagram of the control device applied to projector provided in an embodiment of the present invention；
Fig. 6 is a kind of structural schematic diagram of the control device applied to music controller provided in an embodiment of the present invention.
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.
Term " first " and " second " in description and claims of this specification and above-mentioned attached drawing etc. are for area
Not different objects, rather than for describing specific sequence.Furthermore term " includes " and " having " and their any deformations,
It is intended to cover and non-exclusive includes.Such as it contains the process, method of a series of steps or units, system, product or sets
It is standby not to be set in listed step or unit, but may include the step of not listing or unit.
A kind of linked system of music projector is provided in embodiments of the present invention, referring to Fig. 1, comprising: projector
101, remote controler 102 and music controller 103.
Wherein, remote controler 102 and projector 101 are wirelessly connected, and remote signal is sent to projector 101 by remote controler 102；
Music controller 103 is adsorbed on the host shell of projector 101 by magnetic mode, music controller 103 with
Projector 101 is wirelessly connected, and music control signal is sent to projector 101 by music controller 103；
Projector 101 receives the remote signal booting that remote controler 102 is sent, and leaves master in response to music controller 103
Casing body receives the music control signal that music controller 103 is sent and is adjusted to music.
On the basis of projector and remote controler, the interaction end of a music controller is increased.I.e. user is to projection
Instrument equipment is no longer confined to remote controler when interacting, and in the music pattern or speaker mode of projector, i.e., projects at this time
Instrument only carries out music, and music controller can be used, and music control is the exclusive control of projector in music mode
Device, when user needs projector to enter music pattern, it is only necessary to which directly operation music controller, projector can enter speaker mould
Formula is cut the operation such as song, volume control, music and is completed by music controller.Remote controler and music controller pass through
The mode of wireless connection is attached with projector.Wherein, the mode of wireless connection may include wireless network connection and bluetooth
Connection type is preferably attached by the way of bluetooth in the present invention in order to save resource distribution.
Specifically, projector includes: projection module, link block, Hall sensor and processing to realize above-mentioned function
Device, wherein Hall sensor is connect with processor, and the electric signal for perceiving the changes of magnetic field due to caused by music controller is sent out
It send to the first input end of processor；
Processor is connect with projection module, and the first input end of processor generates projection control letter after receiving electric signal
Number, projection control signal is sent to projection module by the first transmitting terminal of processor, and projection module receives projection control signal and closes
Projection is closed, processor switches to music playing mode；
Second input terminal of processor receives the music that music controller is sent by link block and controls signal to music
Broadcasting is adjusted.
Specifically, link block includes: wireless network module and the first bluetooth module, wherein remote controler passes through wireless network
Network module is attached with projector, and music controller is attached by the first bluetooth module with projector.
It is corresponding, music controller include shell and by shell wrap up cavity, in the cavity include the second bluetooth module,
Processing module, power module, field drives module and magnetic field induction module, wherein
Power module provides power supply for music controller；
Processing module is connect with field drives module, and processing module controls field drives module and generates high frequency excitation field；
Magnetic field induction module is connect with processing module, is changed when magnetic field induction module perceives high frequency excitation field,
Inductive signal is generated, inductive signal is sent to processing module；
Processing module is connect by the second bluetooth module with projector, and processing module receives inductive signal and generates music control
Signal processed, and music control signal is sent to projector.
Optionally, at least one side has magnetism on the shell of music controller, and the one side for having magnetic shell is inhaled
It is attached on the first surface of the host shell of projector.
Optionally, the Hall sensor of projector is provided in the cabinet of the corresponding projector of first surface.
Optionally, it is provided with rotating disk on the shell of music controller, rotating disk is connect with magnetic field induction module.
Optionally, at least one side is provided with magnet on the shell of music controller.
It should be noted that the working principle of field drives module and magnetic field induction module in music controller be using
Driving chip drives inductance to export high-frequency excitation signal, and a high frequency magnetic field can be generated near inductance, when there is metal approach,
High frequency magnetic field can generate eddy current effect in range of metal, and this eddy current can generate new magnetic field and then influence original magnetic
, thus change the inductance value and impedance of LC network, it is coil-induced using the layout on PCB, clockwise or counterclockwise
To realize the plus-minus of volume.
The present invention provides a kind of linked system of music projector, include within the system projector, remote controler and
Music controller is realized the control to music by music controller, in this way during projector carries out music
Music control is separated from the control of remote controler, and music controller is to be adsorbed on projector by magnetic mode
On, only just used in music mode, solve in the prior art by remote controler carry out music control not accurate and
Cumbersome process improves experience effect when user carries out music using projector.
A kind of control method is additionally provided in embodiments of the present invention, is applied to projector, referring to fig. 2, this method comprises:
S201, the enabled instruction that remote controler is sent is received, so that projector is in music pattern.
Since remote controler and music controller are attached with projector by bluetooth, when using music controller it
Before, it first has to projector being in music pattern, i.e., enabled instruction is sent by remote controler, so that projector is in opening state
State, and enter music pattern.
S202, judge whether the magnetic field of music controller placement location changes by Hall sensor, if so, connecing
Receive the music control signal that the music controller is sent.
Since music controller is adsorbed on the host of projector by magnetic mode, host is realized by Hall switch to be felt
Host is still left in the happy control of bosom friend on host, and Hall switch can perceive the variation in magnetic field, when perceiving magnetic field
Variation then shows that the music controller will or be used in user, receives the music that music controller is sent and controls signal.
S203, music is adjusted according to music control signal, so that the music that the projector plays
Match with music control signal.
Currently playing music is adjusted after receiving music control signal, for example, volume, pause to music
Switching with starting or music is adjusted, so that the music and music effect of output are met the needs of users.
It is corresponding, when the projector in the standby state, receive control signal when, this method further include:
The control signal is parsed, signal identification is obtained；
Whether consistent with the signal identification of remote controler the signal identification is judged, if it is, the projector is carried out
Starting；
If the signal identification is consistent with the signal identification of music controller, controls the projector and enter speaker mould
Formula.
Specifically, projector is standby lower to distinguish music controller and remote controler, when the bluetooth module of projector engine connects
After receiving the wake up instruction from music controller or remote controler, the host wake-up of projector can be first allowed, then go to read by USB
The received wireless command data of host bluetooth module control signal, by parsing to the control signal, obtain signal post
Know, judgement is the instruction that music controller or remote controler are sent, to judge whether booting or enter speaker mode.
It is corresponding, when the music controller is in use state, this method further include:
Generate indicator, the indicator is sent to the remote controler so that the remote controler generate with it is described
The corresponding prompt information of indicator, wherein the indicator characterizes the music control and is in use state.
Music controller is adsorbed on the host of projector by magnetic mode, and host realizes perception sound by Hall switch
Happy control is placed on host, if host detects that remote controler is under connection status, is referred to by bluetooth to remote controler transmission
Show instruction, so that remote controler generates prompt information, for example, remote controler, after receiving indicator, key refers to be put out after lamp is always on 1 second
It goes out, similarly host indicator light extinguishes after flashing 2 seconds, so as to realize suggesting effect.
It should be noted that in projector, bluetooth is the module of wireless receiving and dispatching data, in specific projector also
The microprocessors such as MCU, the data that final bluetooth receives all need to be transmitted to MCU, and the interface of transmission is usb communication mouth, practical
, can be by the communication interfaces such as usb communication, serial ports, I2C, SPI there are many kinds of in, i.e. not necessarily USB communication interface.
A kind of control method applied to projector is provided in embodiments of the present invention, by the control for receiving remote controler
Instruction is so that projector turns on into music pattern, then by receiving the control signal realization of music control to music
Adjustment, only can need directly to operate music controller, and projector can enter speaker mode, cut song, volume control, music and broadcast
It the operation such as puts to be completed by music controller.It solves and carries out music control using projector general remote controller in the prior art
The poor problem of the user experience effect of system.
It is corresponding, referring to Fig. 3, a kind of controlling party applied to music controller is additionally provided in embodiments of the present invention
Method, comprising:
S301, the control instruction that user is received by the rotating disk on music controller surface, according to the control instruction sense
Know changes of magnetic field, generates magnetic field perceptual signal；
S302, the magnetic field perceptual signal is parsed, obtains music and controls signal；
S303, music control signal is sent to the projector, realizes and signal is controlled to throwing by the music
The control for the music that shadow instrument plays.
Specifically, being referring to fig. 4 a kind of schematic diagram of music controller provided in an embodiment of the present invention.The music controller
In include that rotating disk carries out music control i.e. by the way of electrodeless rotation.This is mainly due to according to existing key into
Row volume plus-minus, key will appear aging phenomenon, will generally damage, be done using magnetic field electrodeless by 5000 to 20000 keys
Speed regulation, reduces device loss.Its working principle is that high-frequency excitation signal is exported using driving chip driving inductance, it is attached in inductance
A high frequency magnetic field can be closely generated, when there is metal approach, high frequency magnetic field can generate eddy current effect, this whirlpool in range of metal
Galvanic electricity stream can generate new magnetic field and then influence original magnetic field, to change the inductance value and impedance of LC network, using on PCB
Layout it is coil-induced, realize the plus-minus of volume clockwise or counterclockwise.
For music controller, main working principle is that the processor of music control controls field drives module drive
High frequency excitation field, had rotated in user or by related key after, changes of magnetic field can be caused, by magnetic field sensing module sense
Know, processor is received by bluetooth module wireless transmission information to projector after signal, and according to the order of transmission, projector
Corresponding movement is made, for example, cutting song, volume plus-minus, pause etc..
When carrying out music control by remote controler in compared with the prior art, for example, carrying out music switching by remote controler
When, it is to be switched over using the right and left key of remote controler, but remote controler, on projector display, there are also other function for right and left key
Can, such as page turning, the operation of Picture Calibration picture, it is easy to obscure.And music controller just for enter music pattern just
The control terminal used, so as to improve the experience effect of user.
Referring to Fig. 5, a kind of a kind of control device applied to projector is additionally provided in embodiments of the present invention, comprising:
Receiving unit 501, for receiving the enabled instruction of remote controler transmission, so that projector is in music pattern；
Judging unit 502, for judging whether the magnetic field of music controller placement location changes by Hall sensor
Become, if so, receiving the music control signal that the music controller is sent；
Adjustment unit 503 is adjusted music for controlling signal according to the music, so that the projector
The music of broadcasting matches with music control signal.
It is corresponding, the device further include:
Resolution unit, for working as the projector in the standby state, when receiving control signal, to the control signal
It is parsed, obtains signal identification；
Judging unit is identified, for judging whether the signal identification is consistent with the signal identification of remote controler, if it is,
The projector is started；
Control unit controls the projection if consistent with the signal identification of music controller for the signal identification
Instrument enters speaker mode.
It is corresponding, the device further include:
Instruction generation unit, for indicator being generated, by the finger when the music controller is in use state
Show that instruction is sent to the remote controler, so that the remote controler generates prompt information corresponding with the indicator, wherein institute
It states indicator and characterizes the music control in use state.
Additionally provide a kind of control device applied to music controller in embodiments of the present invention referring to Fig. 6, comprising:
Signal generation unit 601 receives the control instruction of user for the rotating disk by music controller surface, according to
The control instruction sense changes in magnetic fields generates magnetic field perceptual signal；
Signal resolution unit 602 obtains music and controls signal for parsing to the magnetic field perceptual signal；
Signal transmitting unit 603 is realized for music control signal to be sent to the projector and passes through the sound
The control for the music that happy control signal plays projector.
By being applied to the control device of projector and music controller, during projector carries out music,
Control to music is realized by music controller, in this way separates music control from the control of remote controler, and
Music controller is adsorbed on projector by magnetic mode, is only just used in music mode, solves existing skill
The not accurate and cumbersome process for carrying out music control in art by remote controler is improved user and is broadcast using projector progress music
Experience effect when putting.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (9)
1. a kind of linked system of music projector, which is characterized in that the system includes: projector, remote controler and music control
Device, wherein
The remote controler and the projector are wirelessly connected, and remote signal is sent to the projector by the remote controler；It is described
Music controller is adsorbed on the host shell of the projector by magnetic mode, the music controller and the projector
It is wirelessly connected, music control signal is sent to the projector by the music controller；The projector receives the remote control
The remote signal booting that device is sent, and the host shell is left in response to the music controller, receive the music control
The music control signal that device is sent is adjusted music.
2. a kind of control method, which is characterized in that it is applied to projector as described in claim 1, this method comprises:
The enabled instruction that remote controler is sent is received, so that projector is in music pattern；
Judge whether the magnetic field of music controller placement location changes by Hall sensor, if so, receiving the sound
The music that music controller is sent controls signal；
It controls signal according to the music to be adjusted music, so that music and the music that the projector plays
Control signal matches.
3. according to the method described in claim 2, it is characterized in that, when the projector in the standby state, receive control
When signal, this method further include:
The control signal is parsed, signal identification is obtained；
Whether consistent with the signal identification of remote controler the signal identification is judged, if it is, the projector is started；
If the signal identification is consistent with the signal identification of music controller, controls the projector and enter speaker mode.
4. according to the method described in claim 2, it is characterized in that, when the music controller is in use state, the party
Method further include:
Indicator is generated, the indicator is sent to the remote controler, so that the remote controler generates and the instruction
Instruct corresponding prompt information, wherein the indicator characterizes the music control and is in use state.
5. a kind of control method, which is characterized in that it is applied to music controller as described in claim 1, this method comprises:
The control instruction that user is received by the rotating disk on music controller surface perceives magnetic field according to the control instruction and becomes
Change, generates magnetic field perceptual signal；
The magnetic field perceptual signal is parsed, music is obtained and controls signal；
Music control signal is sent to the projector, realizes and controls what signal played projector by the music
The control of music.
6. a kind of control device, which is characterized in that be applied to projector as described in claim 1, comprising:
Receiving unit, for receiving the enabled instruction of remote controler transmission, so that projector is in music pattern；
Judging unit, for judging whether the magnetic field of music controller placement location changes by Hall sensor, if
It is the music control signal for receiving the music controller and sending；
Adjustment unit is adjusted music for controlling signal according to the music, so that the projector played
Music matches with music control signal.
7. device according to claim 6, which is characterized in that the device further include:
Resolution unit when receiving control signal, carries out the control signal for working as the projector in the standby state
Parsing obtains signal identification；
Judging unit is identified, it is whether consistent with the signal identification of remote controler for judging the signal identification, if it is, by institute
Projector is stated to be started；
Control unit, if consistent with the signal identification of music controller for the signal identification, control the projector into
Enter speaker mode.
8. device according to claim 6, which is characterized in that the device further include:
Instruction generation unit, for generating indicator, referring to described when the music controller is in use state
Order is sent to the remote controler, so that the remote controler generates prompt information corresponding with the indicator, wherein the finger
Show that instruction characterizes the music control in use state.
9. a kind of control device, which is characterized in that be applied to music controller as described in claim 1, comprising:
Signal generation unit receives the control instruction of user for the rotating disk by music controller surface, according to the control
System instruction sense changes in magnetic fields, generates magnetic field perceptual signal；
Signal resolution unit obtains music and controls signal for parsing to the magnetic field perceptual signal；
Signal transmitting unit, for music control signal to be sent to the projector, realization is controlled by the music
The control for the music that signal plays projector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811275408.4A CN109213051B (en) | 2018-10-30 | 2018-10-30 | Linkage system, control method and device of music projector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811275408.4A CN109213051B (en) | 2018-10-30 | 2018-10-30 | Linkage system, control method and device of music projector |
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| CN109213051A true CN109213051A (en) | 2019-01-15 |
| CN109213051B CN109213051B (en) | 2024-01-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112584071A (en) * | 2020-12-04 | 2021-03-30 | 四川长虹电器股份有限公司 | Touch turntable structure for remote controller and remote controller |
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