CN108683455A - Infrared output device is debugged in MCVF multichannel voice frequency in indoor LED illuminating lamp - Google Patents
Infrared output device is debugged in MCVF multichannel voice frequency in indoor LED illuminating lamp Download PDFInfo
- Publication number
- CN108683455A CN108683455A CN201810739246.9A CN201810739246A CN108683455A CN 108683455 A CN108683455 A CN 108683455A CN 201810739246 A CN201810739246 A CN 201810739246A CN 108683455 A CN108683455 A CN 108683455A
- Authority
- CN
- China
- Prior art keywords
- infrared
- output device
- led
- output
- modules
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/114—Indoor or close-range type systems
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/04—Electrically-operated educational appliances with audible presentation of the material to be studied
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/502—LED transmitters
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Optical Communication System (AREA)
Abstract
Infrared output device is debugged in MCVF multichannel voice frequency in indoor LED illuminating lamp.Most current foreign language examination mostly uses A, B volumes or A, B, C, D difference test paper examination mode to prevent cheating.But hearing part is highly difficult using aforesaid way, it is not easy to realize A, B or A, B, C, D mode, and be easiest to digress from the subject and practise fraud when the examination of this part.The present invention forms：In the lamp bar of LED illumination lamp or annular lamp plate, 4 tunnel voice modulation infrared ray output devices are additionally provided in addition to illuminator lamp in LED illumination lamp, per voice modulation infrared ray output device all the way, 46 infrared LEDs are set, it is controllable per the difference of infrared LED all the way, illuminator lamp is visible LED, as usually illumination or emergency lighting, voice modulation infrared ray output device and power supply and control module（1）Connection.The present invention takes an examination applied to foreign language listening.
Description
Technical field：
The present invention relates to a kind of MCVF multichannel voice frequencies in indoor LED illuminating lamp to debug infrared output device.
Background technology：
Most current foreign language examination mostly uses A, B volumes or A, B, C, D difference test paper examination mode to prevent cheating.But it listens
Power part is highly difficult (wired, wireless original play mode, examination paper is mostly used to be easy to divulge a secret) using aforesaid way, it is not easy to
Realize A, B or A, B, C, D mode, and this part is easiest to digress from the subject and practise fraud.
Invention content：
In order to solve the problems, such as above-mentioned foreign language listening examination of the existing technology, the object of the present invention is to provide one kind
Infrared output device is debugged in MCVF multichannel voice frequency in indoor LED illuminating lamp, meets the requirement of foreign language listening examination.
Above-mentioned purpose is realized by following technical scheme：
Infrared output device is debugged in a kind of MCVF multichannel voice frequency in indoor LED illuminating lamp, and composition includes：LED illumination lamp
（LED light bar or annular lamp plate）, it is defeated that 4 tunnel voice modulation infrared rays are additionally provided in addition to illuminator lamp in the LED illumination lamp
Go out device, 4-6 infrared LED is set per voice modulation infrared ray output device all the way, it is controllable per the difference of infrared LED all the way, it shines
Bright with lamp is visible LED, as usually illumination or emergency lighting, the voice modulation infrared ray output device and power supply and
Control module connects；
The power supply and control module includes microprocessor, and the microprocessor is red with the voice modulation described in 4 tunnels respectively
Outside line output device, two MP3 modules, solid-state power switch, rechargeable battery, WIFI module, Radio infrared receive earphone,
38K modulation circuits connect, and a MP3 module is connect with the voice modulation infrared ray output device described in two respectively, described
Solid-state power switch is connect with the voice modulation infrared ray output device, the MP3 modules, rechargeable battery respectively,
The rechargeable battery is connect with controllable electric power.
Infrared output device, the controllable electric power are debugged in the MCVF multichannel voice frequency being mounted in indoor LED illuminating lamp
The controllable AC-DC power supplys of photoelectricity, the AC-DC conversion circuits of the AC-DC power supplys respectively with the rechargeable battery, solid
State switch connection, the solid-state switch are connect with indoor photoelectric detective circuit, the voice modulation infrared ray output device
Including 300-800KHz sine-wave generators, modulation circuit, infrared LED output driving circuit, the sine-wave generator with
The modulation circuit connection, the modulation circuit are connect with infrared LED output driving circuit, infrared LED output
Driving circuit is connect with infrared LED；
The ends described microprocessor serial output XTD, RXD connect the end RXD, XTD of 2 MP3 modules, WIFI module, are used for information
Transmission, the ends P0 of microprocessor connect two MP3 modules As, B control terminal I/O, state for controlling MP3 modules and right
The mp3 file of reception plays the control of order and output switching, R the and L audio outputs of 2 MP3 modules are separately connected audio
The P1.3 to P1.7 of the input terminal IN of modulated infrared output device, microprocessor are separately connected the control terminal I/O of WIFI module；
The C1 and C2 that P1.0 connects sine-wave generator with P1.1 are used to control 4 that 300-800KHz sine-wave generators export not
Same frequency controls the carrier frequency for changing 4 infrared signal output circuits by microprocessor, makes fixed corresponding receives frequency
The earphone receives the mp3 file of different content；
The ends P1.2 of microprocessor are also connected with the control terminal C of solid-state power switch, are 2 MP3 modules and voice modulation infrared ray
Output device is powered；A control terminal of P1 connects 38K modification output circuits, and output household electrical appliance control serial signal fundamental wave,
By 38K modulating circuit modulates to 38K, modulated signal is connected in parallel on the 4th voice modulation infrared ray by OUT and 2 grade of pipe and exports
The output end of device, when exporting household electrical appliance and controlling serial signal fundamental wave, the 4th voice modulation infrared ray output device closes
It closes.
The playback method of infrared output device is debugged in the above-mentioned MCVF multichannel voice frequency in indoor LED illuminating lamp, described
The modulated infrared output device of MCVF multichannel voice frequency receives 1 set of campus area network's broadcast by WIFI or covers by multiple mp3 files more
The hearing examination question of composition, when playing according to the broadcast mode and played file arranged in advance be assigned as different broadcasting order and A,
R, L of 2 MP3 modules of B different output, two-channel R and the L sound channel for passing through two MP3 modules of A, B play, each sound channel
A monaural content is played, broadcasts 4 broadcasting contents by two MP3 modules of A, B in this way, this 4 tunnel audio signal is assigned to
In the infrared signal output circuit of different carrier waves, 4 different tunnel audio signals of synchronous broadcast, 4 tunnel audio signals point are realized
It is not modulated on 300-800KHz difference carrier waves and this 4 tunnel infrared LEDs, synchronism output difference is driven to play the infrared of different carrier waves
Line Tiao Yin Frequency signals, the earphone of fixed reception infrared carrier wave frequency receives, the monophonic audio of the corresponding different carrier waves of demodulation is believed
It is number amplified to be exported from earphone horn, for the synchronous 4 tunnel the output phases of English Listening Comprehension examination with content various combination listening
Audio.
Beneficial effects of the present invention：
Conventional LED illumination lamp which part visible LED is changed to 4 tunnels by the present invention（4-6 infrared LED is all the way and respectively
Controllably）, one or more groups of examination mp3 files are received by network, and rearrange broadcasting in proper order（L, R of audio MP3 format points
It Wei not 2 sets of different broadcasting order）, 4 tunnel audio signals are modulated at respectively on 300-800KHz difference carrier waves, drive this through amplification
4 tunnel infrared LEDs realize the modulation of infrared rays Yin Frequency signals of synchronism output different content difference carrier wave.Examinee's fixed reception
The earphone of infrared carrier wave frequency receives, the monophonic audio signal of the corresponding different carrier waves of demodulation.The present invention can be used for foreign language listening
The synchronous 4 tunnel the output phases of examination are the same as content various combination listening audio（A, B, C, D volume）, it can also be used to family, infrared remote control
With emergency LED lamp.Confidentiality is considerably increased in this way.The requirement of corresponding 4 sets of paper playing sequences can be met.It greatly increases in this way
Confidentiality.The requirement of corresponding 4 sets of paper playing sequences can be met.The present invention uses 4 road listening contents, 4 tunnel hearing
Examination question plays order and changes before examination and be assigned to 4 tunnels not in the modulation circuit of carrier wave, and 4 road infrared LEDs are driven through amplification, when examination
Match the earphone of different receives frequencies for examinee, advantage is that examination paper are not easy to divulge a secret, and effectively prevents to practise fraud.The present invention can be used for English
Listening synchronizes 4 tunnel the output phases with content various combination listening audio（A, B, C, D volume）；It can also be used for family, infrared
Remote control and emergency LED lamp.
Description of the drawings：
Attached drawing 1 is power supply of the present invention and the structural schematic diagram of control module.In figure, 10 be the first voice modulation infrared ray output dress
It sets, 11 be first group of infrared LED, and 12 be the second voice modulation infrared ray output device, and 13 be second group of infrared LED, and 14 be the
Three voice modulation infrared ray output devices, 15 be third group infrared LED, 16 be the 4th voice modulation infrared ray output device, 17
For the 4th group of infrared LED.
Attached drawing 2 is the structural schematic diagram of voice modulation infrared ray output device of the present invention.
Attached drawing 3 is the structural schematic diagram of controllable electric power of the present invention.
Attached drawing 4 is the structural schematic diagram for the round LED lamp that the present invention has infrared output.In figure, 2 be the circle for having infrared output
Shape LED light.
Attached drawing 5 is the structural schematic diagram for the bar-shaped LED lamp that the present invention has infrared output.In figure, 3 be the item for having infrared output
Shape LED light.
Specific implementation mode：
Embodiment 1：
Infrared output device is debugged in a kind of MCVF multichannel voice frequency in indoor LED illuminating lamp, and composition includes：LED illumination lamp,
4 tunnel voice modulation infrared ray output devices are additionally provided in addition to illuminator lamp in the LED illumination lamp, per voice modulation all the way
4-6 infrared LED is arranged in infrared ray output device, and controllable per the difference of infrared LED all the way, illuminator lamp is visible LED, as
Usually illumination or emergency lighting, the voice modulation infrared ray output device are connect with power supply and control module 1；
The power supply and control module includes microprocessor 4, and the microprocessor is red with the voice modulation described in 4 tunnels respectively
Outside line output device, two MP3 modules 6, solid-state power switch 5, rechargeable battery, WIFI module 8, Radio infrared receive ear
Machine, 38K modulation circuits 21 connect, and a MP3 module is connect with the voice modulation infrared ray output device described in two respectively, institute
The solid-state power switch stated respectively with the voice modulation infrared ray output device, the MP3 modules, rechargeable battery 9
Connection, the rechargeable battery are connect with controllable electric power 7.
Embodiment 2：
Infrared output device is debugged according to the MCVF multichannel voice frequency described in embodiment 1 in indoor LED illuminating lamp, described can
It is the controllable AC-DC power supplys 24 of photoelectricity to control power supply, and the AC-DC conversion circuits of the AC-DC power supplys are filled with described respectively
Battery, solid-state switch 23 connect, and the solid-state switch is connect with indoor photoelectric detective circuit 22, and the voice modulation is red
Outside line output device includes 300-800KHz sine-wave generators 18, modulation circuit 19, infrared LED output driving circuit 20, institute
The sine-wave generator stated is connect with the modulation circuit, and the modulation circuit is connect with infrared LED output driving circuit,
The infrared LED output driving circuit is connect with infrared LED；
The ends described microprocessor serial output XTD, RXD connect the end RXD, XTD of 2 MP3 modules, WIFI module, are used for information
Transmission, the ends P0 of microprocessor connect two MP3 modules As, B control terminal I/O, state for controlling MP3 modules and right
The mp3 file of reception plays the control of order and output switching, R the and L audio outputs of 2 MP3 modules are separately connected audio
The P1.3 to P1.7 of the input terminal IN of modulated infrared output device, microprocessor are separately connected the control terminal I/O of WIFI module；
The C1 and C2 that P1.0 connects sine-wave generator with P1.1 are used to control 4 that 300-800KHz sine-wave generators export not
Same frequency controls the carrier frequency for changing 4 infrared signal output circuits by microprocessor, makes fixed corresponding receives frequency
The earphone receives the mp3 file of different content；
The ends P1.2 of microprocessor are also connected with the control terminal C of solid-state power switch, are 2 MP3 modules and voice modulation infrared ray
Output device is powered；A control terminal of P1 connects 38K modification output circuits, and output household electrical appliance control serial signal fundamental wave,
By 38K modulating circuit modulates to 38K, modulated signal is connected in parallel on the 4th voice modulation infrared ray by OUT and 2 grade of pipe and exports
The output end of device, when exporting household electrical appliance and controlling serial signal fundamental wave, the 4th voice modulation infrared ray output device closes
It closes.
Embodiment 3：
The playback method of infrared output device, the multichannel are debugged in the above-mentioned MCVF multichannel voice frequency in indoor LED illuminating lamp
Voice modulation infrared ray output device receives 1 set of campus area network's broadcast by WIFI or more sets are made of multiple mp3 files
Hearing examination question, different broadcasting order and A, B 2 are assigned as according to the broadcast mode and played file arranged in advance when playing
R, L of a MP3 modules different output is played by two-channel R and the L sound channel of two MP3 modules of A, B, and each sound channel plays
One monaural content broadcasts 4 broadcasting contents by two MP3 modules of A, B in this way, this 4 tunnel audio signal is assigned to difference
In the infrared signal output circuit of carrier wave, realize that 4 different tunnel audio signals of synchronous broadcast, 4 tunnel audio signals are adjusted respectively
System drives this 4 tunnel infrared LEDs, synchronism output difference to play the infrared ray tune of different carrier waves on 300-800KHz difference carrier waves
Yin Frequency signals processed, the earphone of fixed reception infrared carrier wave frequency receives, the monophonic audio signal of the corresponding different carrier waves of demodulation passes through
It is exported from earphone horn after amplification, for the synchronous 4 tunnel the output phases of English Listening Comprehension examination with content various combination listening audio.
Embodiment 4：
The MCVF multichannel voice frequency being mounted in indoor LED illuminating lamp according to embodiment 1 or 2 or 3 debug infrared output device and
Routine LED illumination lamp which part visible LED is changed to 4 tunnels by playback method（4-6 infrared LED is all the way and respectively can
Control）, one or more groups of examination MP3V files are received by network, and rearrange broadcasting in proper order（L, R of audio MP3 format points
It Wei not 2 sets of different broadcasting order）4 tunnel audio signals are modulated on 300-800KHz difference carrier waves, drive this 4 road infrared ray respectively
LED, synchronism output difference play the modulation of infrared rays Yin Frequency signals of different carrier waves.The earphone of fixed reception infrared carrier wave frequency connects
The monophonic audio signal for receiving, demodulating corresponding different carrier waves is amplified from earphone horn output.The present invention can be used for English and listen
The synchronous 4 tunnel the output phases of power examination are the same as content various combination listening audio.
The modulated infrared output device of MCVF multichannel voice frequency in indoor routine LED illumination lamp is to receive campus local by WIFI
Go out 1 set of network propagation（Or more sets）Hearing examination question（The file that multiple MP3 are constituted）, when playing according to the broadcast mode arranged in advance
The different outputs of different R, L for playing 2 MP3 decoding devices of order and A, B are assigned as with played file, rather than by file
The output of original order and fixed decoder, passes through two-channel R and the L sound channel of A, B MP3 encoders（Each sound channel is a list
Channel content.Two MP3 encoders of A, B are crossed in this way broadcasts 4 broadcasting contents）, this 4 tunnel audio signal is assigned to different carrier waves
The infrared signal output circuit in, realize and synchronous broadcast 4 different tunnel audio signals.
Embodiment 5：
Infrared output device and broadcasting side are debugged in the MCVF multichannel voice frequency being mounted in indoor LED illuminating lamp according to embodiment 4
Routine LED illumination lamp which part visible LED is changed to 4 tunnels by method（4-6 infrared LED is all the way and controllable respectively）, will
4 tunnel audio signals are modulated on 300-800KHz difference carrier waves, drive this 4 tunnel infrared LEDs, synchronism output examination content respectively
The identical but different modulation of infrared rays Yin Frequency signals for playing sequence and different carrier waves.The earphone of fixed reception infrared carrier wave frequency connects
The monophonic audio signal for receiving, demodulating corresponding different carrier waves is amplified from earphone horn output.
MCVF multichannel voice frequency modulated infrared output device of the installation indoors in conventional LED illumination lamp include:Power supply and control
Module be equipped with infrared output round LED lamp be equipped with infrared output 2 part of bar-shaped LED lamp constitute.
The power supply includes with control module：Microprocessor, solid-state power switch, 2 MP3 modules of A and B, AC-DC electricity
Source, the AC-DC power supplys are that photoelectricity is controllable, and the battery is used when closing indoor illumination for daytime or indoor power-off lighting
Spare, infrared signal output circuit.The infrared signal output circuit is occurred by 300-800KHz sine waves of controllable frequency
Device, modulation circuit, infrared LED output driving circuit are constituted, wherein infrared signal output includes 38K modulation circuits.It is described
Infrared signal output circuit output end OUT is separately connected 4 groups of infrared LEDs.
It is described to there is the LED light of infrared output to be divided into bar-shaped LED lamp round LED lamp, each bar-shaped LED lamp and circle
It is one group that LED light, which is separately installed with conventional light-emitting LED and 3-4 infrared LED, is respectively suitable for the use of all kinds of illuminators.
The ends described microprocessor serial output XTD, RXD connect the end RXD, XTD of WIFI module described in 2 MP3 modules, for believing
The transmission of breath, the ends P0 of microprocessor connect two MP3 modules As, B control terminal I/O, state for controlling MP3 modules and
Control and the output switching of order are played to the mp3 file of reception.R the and L audio outputs of 2 MP3 modules connect respectively
Connect the input terminal of infrared signal output circuit（A IN）.
The P1 of microprocessor（P1.2 to P1.7）It is separately connected the control of electronic switch and the control terminal I/O of WIFI module；
P1（P1.0 and P1.1）The C1 and C2 of the infrared signal output circuit are connected for controlling the 300-800KHz sine waves hair
4 different frequencies of raw device output, the carrier frequency for changing 4 infrared signal output circuits is controlled by the microprocessor,
The earphone of fixed corresponding receives frequency is set to receive the mp3 file of different content.
The ends P1 of microprocessor are also connected with the control terminal C of solid-state power switch, are 2 MP3 modules, MP3 modules and infrared
Radiating circuit is powered；The control terminal connection 38K modification output circuits output household electrical appliance of P1 control serial signal fundamental wave, lead to
The 38K modulating circuit modulates are crossed to 38K, modulated signal is connected in parallel on the 4th infrared signal output circuit by OUT and 2 grade of pipe
Output end, when exporting household electrical appliance and controlling serial signal fundamental wave, the 4th infrared signal output circuit is closed.
The MCVF multichannel voice frequency debugging infrared ray output device installed in conventional LED illumination lamp indoors is controlled by indoor photograph
Bright switch.Controllable electric power is made of the detection of, indoor light, solid-state switch and the conversion of AC-DC transformations.It is automatic when light indoors
Close visible LED.
Working principle of the present invention is as follows described：
The MCVF multichannel voice frequency debugging infrared ray output device receives 1 set that campus area network broadcasts by WIFI（Or more sets）Hearing
Test question files（The file and play order file that multiple MP3 are constituted）Deposit in the MCVF multichannel voice frequency debugging infrared ray output device
In 2 MP3 decoding devices of interior A, B, exported according to the broadcast mode of the broadcasting order file agreement when playing, played file
It will（4 differences that multiple mp3 files of hearing examination question are assigned as different broadcasting order and are connect with 2 MP3 decoding devices of A, B
The output of content, rather than the output of original order of file and fixed decoder, pass through A, the two-channel R of B MP3 encoders
And L（Each sound channel output is a monaural content.Two MP3 encoders of A, B are crossed in this way broadcasts 4 broadcasting contents）, this 4
Road audio signal is assigned in the infrared signal output circuit of different carrier waves, realizes that the synchronous different frequency that broadcasts is not interfere with each other
4 tunnel audio signals.Confidentiality is considerably increased in this way.The requirement of corresponding 4 sets of paper playing sequences can be met.Described in using daytime
Rechargeable battery does not have to open indoor illumination, and when power failure can be used as indoor emergency illumination.
Claims (3)
1. infrared output device is debugged in a kind of MCVF multichannel voice frequency in indoor LED illuminating lamp, composition includes：LED illumination
Lamp, it is characterized in that：4 tunnel voice modulation infrared ray output devices are also equipped in addition to illuminator lamp in the LED illumination lamp, often
4-6 infrared LED is arranged in voice modulation infrared ray output device all the way, and controllable per the difference of infrared LED all the way, illuminator lamp is can
Light-exposed LED, as usually illumination or emergency lighting, the voice modulation infrared ray output device connects with power supply and control module
It connects；
The power supply and control module includes microprocessor, and the microprocessor is red with the voice modulation described in 4 tunnels respectively
Outside line output device, two MP3 modules, solid-state power switch, rechargeable battery, WIFI module, the connection of 38K modulation circuits, one
A MP3 modules are connect with the voice modulation infrared ray output device described in two respectively, the solid-state power switch respectively with
The voice modulation infrared ray output device, the MP3 modules, rechargeable battery connection, the rechargeable battery with
Controllable electric power connects.
2. infrared output device is debugged in the MCVF multichannel voice frequency according to claim 1 in indoor LED illuminating lamp, special
Sign is：The controllable electric power is the controllable AC-DC power supplys of photoelectricity, the AC-DC conversion circuits of the AC-DC power supplys respectively with
The rechargeable battery, solid-state switch connection, the solid-state switch are connect with interior photoelectric detective circuit, the audio
Modulated infrared output device includes 300-800KHz sine-wave generators, modulation circuit, infrared LED output driving circuit, institute
The sine-wave generator stated is connect with the modulation circuit, and the modulation circuit is connect with infrared LED output driving circuit,
The infrared LED output driving circuit is connect with infrared LED；
The ends described microprocessor serial output XTD, RXD connect the end RXD, XTD of 2 MP3 modules, WIFI module, are used for information
Transmission, the control terminal I/O of the ends P0 connection two MP3 modules of A, B of microprocessor, state for controlling MP3 modules and right
The mp3 file of reception plays the control of order and output switching, R the and L audio outputs of 2 MP3 modules are separately connected audio
The P1.3 to P1.7 of the input terminal IN of modulated infrared output device, microprocessor are separately connected the control terminal I/O of WIFI module；
The C1 and C2 that P1.0 connects sine-wave generator with P1.1 are used to control 4 that 300-800KHz sine-wave generators export not
Same frequency controls the carrier frequency for changing 4 infrared signal output circuits by microprocessor, makes fixed corresponding receives frequency
The earphone receives the mp3 file of different content；
Voice modulation infrared ray output device is powered；A control terminal of P1 connects 38K modification output circuits, exports household electrical appliance
Serial signal fundamental wave is controlled, by 38K modulating circuit modulates to 38K, modulated signal is connected in parallel on the 4th by OUT and 2 grade of pipe
The output end of voice modulation infrared ray output device, the 4th voice modulation when exporting household electrical appliance and controlling serial signal fundamental wave
Infrared ray output device is closed.
3. infrared output device is debugged in a kind of MCVF multichannel voice frequency as claimed in claim 1 or 2 in indoor LED illuminating lamp
Playback method, it is characterized in that：The modulated infrared output device of the MCVF multichannel voice frequency receives campus area network by WIFI and broadcasts
1 set or cover the hearing examination question being made of multiple mp3 files more, according to the broadcast mode arranged in advance and played literary when playing
Part is assigned as the different outputs of different R, L for playing 2 MP3 modules of order and A, B, passes through the alliteration of two MP3 modules of A, B
Road R and L sound channel plays, and each sound channel plays a monaural content, broadcasts 4 broadcastings by two MP3 modules of A, B in this way
Content, this 4 tunnel audio signal are assigned in the infrared signal output circuit of different carrier waves, are realized to synchronize and are broadcasted different 4
Road audio signal, 4 tunnel audio signals, which are modulated at respectively on 300-800KHz difference carrier waves, drives this 4 tunnel infrared LEDs, synchronizes defeated
Go out the different modulation of infrared rays Yin Frequency signals for playing different carrier waves, earphone reception, the demodulation pair of fixed reception infrared carrier wave frequency
It answers the monophonic audio signal of different carrier waves amplified and is exported from earphone horn, for the synchronous 4 tunnels output of English Listening Comprehension examination
Identical content various combination listening audio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810739246.9A CN108683455A (en) | 2018-07-06 | 2018-07-06 | Infrared output device is debugged in MCVF multichannel voice frequency in indoor LED illuminating lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810739246.9A CN108683455A (en) | 2018-07-06 | 2018-07-06 | Infrared output device is debugged in MCVF multichannel voice frequency in indoor LED illuminating lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108683455A true CN108683455A (en) | 2018-10-19 |
Family
ID=63813293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810739246.9A Pending CN108683455A (en) | 2018-07-06 | 2018-07-06 | Infrared output device is debugged in MCVF multichannel voice frequency in indoor LED illuminating lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108683455A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6535121B2 (en) * | 1999-04-09 | 2003-03-18 | Richard K. Matheny | Fire department station zoned alerting control system |
| CN202373297U (en) * | 2011-12-09 | 2012-08-08 | 无锡市同威科技有限公司 | High-definition player capable of playing blue light international standardization organization (ISO) files smoothly |
| CN103024519A (en) * | 2013-01-15 | 2013-04-03 | 王涛 | Set-top box for supporting multiple devices to receive different programs and implementation method thereof |
| CN103686537A (en) * | 2013-12-11 | 2014-03-26 | 中山天键光电显示技术研发中心 | Audio wireless transmission method and acoustic device |
| CN103684589A (en) * | 2013-12-11 | 2014-03-26 | 中山市装备制造业科技研究中心 | Audio transmission conversion method and device |
| CN203645708U (en) * | 2013-12-11 | 2014-06-11 | 中山市装备制造业科技研究中心 | Audio transmission conversion device |
| CN104104439A (en) * | 2014-07-15 | 2014-10-15 | 东南大学 | Examination listening broadcasting system based on visible light communication |
-
2018
- 2018-07-06 CN CN201810739246.9A patent/CN108683455A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6535121B2 (en) * | 1999-04-09 | 2003-03-18 | Richard K. Matheny | Fire department station zoned alerting control system |
| CN202373297U (en) * | 2011-12-09 | 2012-08-08 | 无锡市同威科技有限公司 | High-definition player capable of playing blue light international standardization organization (ISO) files smoothly |
| CN103024519A (en) * | 2013-01-15 | 2013-04-03 | 王涛 | Set-top box for supporting multiple devices to receive different programs and implementation method thereof |
| CN103686537A (en) * | 2013-12-11 | 2014-03-26 | 中山天键光电显示技术研发中心 | Audio wireless transmission method and acoustic device |
| CN103684589A (en) * | 2013-12-11 | 2014-03-26 | 中山市装备制造业科技研究中心 | Audio transmission conversion method and device |
| CN203645708U (en) * | 2013-12-11 | 2014-06-11 | 中山市装备制造业科技研究中心 | Audio transmission conversion device |
| CN104104439A (en) * | 2014-07-15 | 2014-10-15 | 东南大学 | Examination listening broadcasting system based on visible light communication |
Non-Patent Citations (1)
| Title |
|---|
| 杨敬松: "红外与声波协同生命探测平台研发", 《中国测试》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI309927B (en) | ||
| CN204481830U (en) | A kind of Campus Radio Broadcast System | |
| RU2012103914A (en) | ELECTRONIC DEVICE, SIGNAL TRANSMISSION DEVICE AND SIGNAL TRANSMISSION METHOD | |
| CN107101098A (en) | It is a kind of can multiple Synchronization Control music and light intelligent music bulb | |
| CN204993792U (en) | Wirelessly share portable outdoor audio amplifier | |
| CN108683455A (en) | Infrared output device is debugged in MCVF multichannel voice frequency in indoor LED illuminating lamp | |
| CN103686537A (en) | Audio wireless transmission method and acoustic device | |
| CN109754824A (en) | A kind of audio file play method and system, tone playing equipment and luminaire | |
| CN205809857U (en) | Audio frequency instructor in broadcasting's equipment | |
| CN203812011U (en) | Device for sharing music through body contact of two persons | |
| CN114715029A (en) | System for separating Bluetooth signal and light control signal and vehicle control system | |
| CN106937208A (en) | A kind of Bluetooth speaker system | |
| CN103684589A (en) | Audio transmission conversion method and device | |
| CN201226520Y (en) | Digital acoustics for army field operation | |
| CN203645708U (en) | Audio transmission conversion device | |
| CN107666609A (en) | A kind of loudspeaker left and right acoustic channels distinguish detection device and its detection method | |
| CN209454774U (en) | A kind of passenger information system | |
| CN209234048U (en) | A kind of preferred signal source carrys out the device that infrared voice communication in expansion chamber is applicable in area | |
| CN208227291U (en) | Home theater based on the transmission of wireless U section audio | |
| CN205320264U (en) | Bluetooth sound system | |
| CN206212247U (en) | A kind of networking music light source and its system | |
| CN213879839U (en) | District wireless partition broadcasting system | |
| CN203563074U (en) | Emergency lighting radio broadcasting apparatus | |
| CN204334592U (en) | A kind of pleasure-boat broadcast system | |
| CN102862422B (en) | Multi-functional blackboard |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181019 |
|
| WD01 | Invention patent application deemed withdrawn after publication |