CN106254608A - A kind of external LED light emission device controlled based on audio signal - Google Patents
A kind of external LED light emission device controlled based on audio signal Download PDFInfo
- Publication number
- CN106254608A CN106254608A CN201610664793.6A CN201610664793A CN106254608A CN 106254608 A CN106254608 A CN 106254608A CN 201610664793 A CN201610664793 A CN 201610664793A CN 106254608 A CN106254608 A CN 106254608A
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- CN
- China
- Prior art keywords
- audio
- light emission
- led light
- emission device
- mobile phone
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- 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.)
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/21—Combinations with auxiliary equipment, e.g. with clocks or memoranda pads
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephone Function (AREA)
Abstract
The invention discloses a kind of external LED light emission device controlled based on audio signal, including power module, switch control module, LED and audio jack；The outfan of described audio jack is connected with the input of switch control module and the input of power module respectively；Described audio jack is connected with mobile phone by the audio sockets of mobile phone.The present invention is by external LED light emission device, it is not necessary to built-in special decoding chip and built-in supplying cell, but is controlled by mobile audio interface and powers.This external LED light emission device can take into account two kinds of applications, and first can serve as the condition prompting lamp of mobile phone, and missed call, unread short messages including mobile phone are reminded and charged state prompting；Data to be sent in mobile phone can be modulated in audio signal as the transmitting terminal device of data by second, by driving LED, data is sent with the light on and off form of light；It is widely used in field of mobile phones.
Description
Technical field
The present invention relates to field of mobile phones, a kind of external LED light emission device controlled based on audio signal.
Background technology
The usage amount of mobile phone is huge at present, particularly smart mobile phone.Intelligent machine has powerful function, can be by various soft
Part enriches the function of mobile phone.Due to Cost Problems, most regions smart mobile phone does not all have integrated LED state to refer to the most on the market
Show lamp function, in the case of having missed call and unread short messages, can only need a little by carrying out display reminding at mobile phone screen
Bright mobile phone screen just can be seen, it is impossible in time known to user.Although part machine can be carried out by built-in LED flash
Condition prompting, but owing to smart mobile phone fragmentation is serious, the control interface disunity of built-in LED flash, cause LED to glisten
Lamp controllability is poor；Rearmounted plus LED flash, as the practicality relative mistake of display lamp.
Summary of the invention
In order to solve above-mentioned technical problem, it is an object of the invention to provide a kind of based on mobile phone existing audio interface (earphone
Socket) realize, the audio signal that exported by mobile phone control LED lamplight change to realize the external of mobile phone state prompting
LED light emission device.
The technical solution adopted in the present invention is: the present invention provides a kind of external LED luminescence controlled based on audio signal
Device, including: power module, switch control module, LED and audio jack；The outfan of described audio jack respectively with open
The input of the input and power module that close control module connects；Described audio jack passes through audio sockets and the mobile phone of mobile phone
Connect.
As the improvement of this technical scheme, described switch control module is by a switch triode and biasing circuit group thereof
Become.
As the improvement of this technical scheme, described audio jack is the headset plug/jack of a diameter of 3.5mm or 2.5mm.
As the further improvement of this technical scheme, described case for mobile telephone is containing the first audio frequency output channels and the output of the second audio frequency
Sound channel；Described first audio frequency output channels is for controlling the light on and off of LED, and the second audio frequency output channels is luminous for described LED
The power supply of device.
As the further improvement of this technical scheme, the AC audio signal of input carries out boosting by described power module,
Rectification and Filtering Processing, obtain driving DC voltage signal.
The invention has the beneficial effects as follows: the present invention provides a kind of external LED light emission device controlled based on audio signal, should
External LED light emission device need not built-in special decoding chip and need not built-in supplying cell, but connect by handset audio
Mouth is controlled and powers.
This external LED light emission device can take into account two kinds of applications, serves not only as the condition prompting lamp of mobile phone, bag
Include the missed call of mobile phone, unread short messages reminds and charged state is reminded；And can be as the transmitting terminal device of data, by hands
Data to be sent in machine are modulated in audio signal, by driving LED, data are sent with the light on and off form of light.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described further:
Fig. 1 is the external LED light emission device structural schematic block diagram that the present invention is controlled based on mobile audio interface.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can phases
Combination mutually.
The present invention provides a kind of external LED light emission device controlled based on audio signal, including: power module, switch control
Molding block, LED and audio jack；The outfan of described audio jack respectively with input and the power supply mould of switch control module
The input of block connects；Described audio jack is connected with mobile phone by the audio sockets of mobile phone.
As the improvement of this technical scheme, described switch control module is by a switch triode and biasing circuit group thereof
Become.
As the improvement of this technical scheme, described audio jack is the headset plug/jack of a diameter of 3.5mm or 2.5mm.
As the further improvement of this technical scheme, described case for mobile telephone is containing the first audio frequency output channels and the output of the second audio frequency
Sound channel；Described first audio frequency output channels is for controlling the light on and off of LED, and the second audio frequency output channels is luminous for described LED
The power supply of device.
As the further improvement of this technical scheme, the AC audio signal of input carries out boosting by described power module,
Rectification and Filtering Processing, obtain driving DC voltage signal.
With reference to Fig. 1, it it is the external LED light emission device structural representation frame that is controlled based on mobile audio interface of the present invention
Figure.The external LED light emission device of smartphone audio frequency interface, is connected with mobile phone by audio sockets, audio sockets output mobile phone
Audio control signal, described external LED light emission device includes audio jack, LED, power module and switch control module group
Becoming, the audio signal output end of audio jack is connected with the input of switch control module and the input of power module respectively,
Power module is that apparatus system is powered, and switch control module controls the light on and off of LED.
Audio connector uses the first sound channel, the second R channel and ground wire.First sound channel output controls audio signal, passes through
It is connected to the switch control module input of light-emitting device to be controlled the light on and off of LED.Second sound channel output is specifically designed to
To the audio signal of module for power supply, it is connected to the power module input of light emitting module；Power module is by the Alternating Current Power Supply of input
Audio signal carries out boosting, rectification and filtering, finally obtains driving DC voltage signal, is powered to light-emitting device.
The present invention provides a kind of external LED light emission device controlled based on audio signal, and this external LED light emission device is not required to
Want built-in special decoding chip and need not built-in supplying cell, but be controlled by mobile audio interface and power.
This external LED light emission device can take into account two kinds of applications, serves not only as the condition prompting lamp of mobile phone, bag
Include the missed call of mobile phone, unread short messages reminds and charged state is reminded；And can be as the transmitting terminal device of data, by hands
Data to be sent in machine are modulated in audio signal, by driving LED, data are sent with the light on and off form of light.
It is above the preferably enforcement of the present invention is illustrated, but the invention is not limited to described enforcement
Example, those of ordinary skill in the art it may also be made that all equivalent variations on the premise of spirit of the present invention or replacing
Changing, deformation or the replacement of these equivalents are all contained in the application claim limited range.
Claims (5)
1. the external LED light emission device controlled based on audio signal, it is characterised in that including: power module, on-off control
Module, LED and audio jack；The outfan of described audio jack respectively with input and the power module of switch control module
Input connect；Described audio jack is connected with mobile phone by the audio sockets of mobile phone.
The external LED light emission device controlled based on audio signal the most according to claim 1, it is characterised in that open described in:
Close control module to be made up of a switch triode and biasing circuit thereof.
The external LED light emission device controlled based on audio signal the most according to claim 1 and 2, it is characterised in that: described
Audio jack is the headset plug/jack of a diameter of 3.5mm or 2.5mm.
The external LED light emission device controlled based on audio signal the most according to claim 3, it is characterised in that: described hands
Machine comprises the first audio frequency output channels and the second audio frequency output channels；Described first audio frequency output channels is for controlling LED
Light on and off, the second audio frequency output channels is for the power supply of described LED light emission device.
The external LED light emission device controlled based on audio signal the most according to claim 4, it is characterised in that: described electricity
The AC audio signal of input is carried out boosting by source module, rectification and Filtering Processing, obtains driving DC voltage signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610664793.6A CN106254608A (en) | 2016-08-11 | 2016-08-11 | A kind of external LED light emission device controlled based on audio signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610664793.6A CN106254608A (en) | 2016-08-11 | 2016-08-11 | A kind of external LED light emission device controlled based on audio signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106254608A true CN106254608A (en) | 2016-12-21 |
Family
ID=57591699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610664793.6A Pending CN106254608A (en) | 2016-08-11 | 2016-08-11 | A kind of external LED light emission device controlled based on audio signal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106254608A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111638865A (en) * | 2020-05-30 | 2020-09-08 | 深圳市亿道数码技术有限公司 | Hardware-controlled loudspeaker detection circuit and loudspeaker |
-
2016
- 2016-08-11 CN CN201610664793.6A patent/CN106254608A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111638865A (en) * | 2020-05-30 | 2020-09-08 | 深圳市亿道数码技术有限公司 | Hardware-controlled loudspeaker detection circuit and loudspeaker |
| CN111638865B (en) * | 2020-05-30 | 2023-10-24 | 深圳市亿道数码技术有限公司 | Hardware-controlled loudspeaker detection circuit and loudspeaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161221 |