CN103366418A - Photon key with audio play function - Google Patents
Photon key with audio play function Download PDFInfo
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- CN103366418A CN103366418A CN2012100929574A CN201210092957A CN103366418A CN 103366418 A CN103366418 A CN 103366418A CN 2012100929574 A CN2012100929574 A CN 2012100929574A CN 201210092957 A CN201210092957 A CN 201210092957A CN 103366418 A CN103366418 A CN 103366418A
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Abstract
The invention relates to a photon key with audio play function. The photon key comprises a light signal emitting module and an audio signal processing module, wherein the light signal emitting module is used for emitting a light signal containing an unlocking password; a digital audio file is stored in the light signal emitting module, and the audio signal processing module is used for converting the digital audio file into an analogue audio file. The light signal emitting module and the audio signal processing module of the photon key with audio play function provided by the invention are optimized and combined, so that compared with the current photon key or the currentaudio player, the photon key provided by the invention has more functions; and compared with the combination of the current photon key and the current audio player, the photon key provided by the invention is small in size, low in price and convenient to carry and use.
Description
Technical field
The present invention relates to a kind of client of gate control system, relate in particular to a kind of photon key with audio playing function.
Background technology
MP3 is a kind of audio compression techniques, and its full name is dynamic image expert compression standard audio frequency aspect 3 (Moving Picture Experts Group Audio Layer III), referred to as MP3.MP3 utilizes people's ear to the insensitive characteristic of high-frequency sound signal, convert the time domain waveform signal to frequency-region signal, and be divided into a plurality of frequency ranges, different frequency ranges is used different compressibilitys, high frequency is strengthened ratio of compression (even ignoring signal), low frequency signal is used small reduction ratio, guarantee that signal is undistorted.So just be equivalent to abandon the substantially unheard high-frequency sound of people's ear, only keep the low frequency part that to hear, thereby sound is compressed into the less file of capacity with the compressibility of 1: 10 even 1: 12, and the tonequality of resetting is not compared with initial not compressed audio and is significantly descended for most of users.Music with the storage of MP3 form just is called the MP3 music, and the machine that can play the MP3 music just is called the MP3 player.
Gate control system belongs to the category of public safety system, is widely used a kind of high-tech safety installations.Existing gate control system adopts magnetic identification, radio-frequency (RF) identification, fingerprint recognition, these four kinds of technology of password identification to realize mostly.Magnetic identification and radio-frequency (RF) identification refer to respectively add the radio frequency chip of specific magnetic material and signal specific in access card, by gate inhibition's receiving end described magnetic medium or radiofrequency signal are identified to unblank, yet, it exists demagnetization, Radio frequency interference (RFI), be easy to the problem such as intercepting and capturing, thereby is not easy to use and poor stability.Fingerprint recognition and iris recognition technology refer to utilize biological identification technology, the biological characteristic of target carried out a kind of technology of judging after discriminance analysis is processed, yet fingerprint is stayed easily on the equipment, easily cause potential safety hazard, and be inconvenient to configure and equipment cost higher.
For addressing the above problem, light-operated gate control system is arisen at the historic moment, light-operated gate control system generally includes photon key and light-operated door lock, described photon key is used for the light signal that emission contains encrypted message, described light-operated door lock is resolved described light signal after receiving described light signal, if described light signal also has unlocking cipher, then control door lock and open.Yet existing described photon key and MP3 player function are more single, and with it both were placed on, volume was huger, carries and use inconvenience, and average price is expensive, can not satisfy the demand.
Summary of the invention
Technical matters to be solved by this invention is, for above-mentioned the deficiencies in the prior art, proposes a kind of photon key with audio playing function, and its volume is little, function is many, price is low, be easy to carry and use.
The technical solution adopted for the present invention to solve the technical problems is, proposes a kind of photon key with audio playing function, and it comprises light signal transmitter module and audio-frequency signal processing module.Described light signal transmitter module is used for the light signal that emission contains unlocking cipher; Store digital audio file in the described light signal transmitter module, described audio-frequency signal processing module is used for converting described digital audio file to simulated audio signal.
Further, described digital audio file is music file or voice document.
Further, described music file is MP3 or WMA formatted file.
Further, described light signal transmitter module comprises microprocessor unit, driver element and luminescence unit, and described microprocessor unit is used for controlling described driver element, makes the described luminescence unit emission of described drive unit drives contain the light signal of unlocking cipher.
Further, described light signal transmitter module also comprises storage unit, and described storage unit is used for storing described digital audio file and unlocking cipher file.
Further, described light signal transmitter module also comprises the instruction input block, and described instruction input block is used for to described microprocessor unit input instruction.
Further, described luminescence unit is light emitting diode.
Further, described audio-frequency signal processing module comprises D/A converting unit and power amplification unit, and described D/A converting unit is used for converting described digital audio file to simulated audio signal; Described power amplification unit is used for that described simulated audio signal is carried out audio frequency and amplifies.
Further, described photon key also comprises power module, and described power module is used to described light signal transmitter module and audio-frequency signal processing module that electric energy is provided.
Further, described power module comprises USB unit, rechargeable battery and voltage regulation unit, and described USB unit is used for being connected with the external USB interface and described rechargeable battery being carried out management of charging and discharging; The voltage stabilization that described voltage regulation unit is used for described rechargeable battery is exported is in the scope of setting.
In sum, the photon key of band audio playing function of the present invention is compared with existing photon key or audio player by light signal transmitter module and audio-frequency signal processing module are optimized combination, and function of the present invention is more; Compare with the combination of audio player with existing photon key, volume of the present invention is little, price is low, be easy to carry and use.
Description of drawings
Fig. 1 is the schematic diagram of the photon key of band audio playing function of the present invention.
Fig. 2 is the theory diagram of an embodiment of the present invention shown in Figure 1.
Fig. 3 is the theory diagram of a kind of embodiment of power supply of the present invention shown in Figure 2.
Embodiment
The present invention will be further described below in conjunction with drawings and the specific embodiments:
See also Fig. 1 and Fig. 2, the photon key of band audio playing function of the present invention comprises power supply 1, light signal transmitter module 2 and audio-frequency signal processing module 3.Described power supply 1 module is used to described light signal transmitter module 2 and audio-frequency signal processing module 3 that electric energy is provided, described power supply 1 module comprises USB unit 11, rechargeable battery 12 and voltage regulation unit 13, described USB unit 11 is used for being connected with the external USB interface and described rechargeable battery 12 is carried out management of charging and discharging and reaches and by described USB unit 11 data are deposited in the described photon key, and described USB unit 11 is provided with the Mimi USB interface.By described USB unit 11 is set, thereby not only be convenient to charging, and be convenient to upgrade the data in the photon key.The voltage stabilization that described voltage regulation unit 13 is used for described rechargeable battery 12 is exported is in the scope of setting.
Described light signal transmitter module 2 is used for the light signal that emission contains unlocking cipher, and it comprises storage unit 21, microprocessor unit 22, driver element 23, luminescence unit 24 and instruction input block 25.Described storage unit 21 is used for storing digital audio file and unlocking cipher file.Described microprocessor unit 22 is used for according to the described driver element 23 of described unlocking cipher document control, make described driver element 23 drive the light signal that described luminescence unit 24 emissions contain unlocking cipher, in addition, described microprocessor unit 22 also is used for described digital audio file is decoded, and the digital signal that will form after will decoding is exported to described audio-frequency signal processing module 3.Described instruction input block 25 is used for to described microprocessor unit 22 input instructions, for example, and unlock instruction and audio frequency play instruction etc.Described digital audio file can be music file or voice document, and described music file can be MP3 or WMA formatted file.In the present embodiment, described instruction input block 25 is keyboards; The advantages such as described luminescence unit 24 is light emitting diodes, and light emitting diode has that volume is little, operating voltage is low, working current is little, luminous uniform and stable, fast response time, life-span are long.
Described audio-frequency signal processing module 3 comprises D/A converting unit 31 and power amplification unit 32, and described D/A converting unit 31 is used for converting described digital audio file to simulated audio signal; Described power amplification unit 32 is used for that described simulated audio signal is carried out audio frequency and amplifies.In the present embodiment, adopt the AT89C51SND1C of American ATMEL as the microprocessor of described microprocessor unit 22, this microprocessor internal is integrated MP3 decoding device separately.The present invention can be achieved as follows function: a, can decode to the file of MP3 or WMA form; B, can carry out analog volume, audio is regulated, track selecting, and the scope of volume :+18～+ 75dB, minimum is quiet; C, can select song, have forward and back, F.F., rewind down function and specify the function of playing which song; D, by described Mimi USB interface, can be directly from the PC high-speed downloads music and being stored in the described storage unit 21.
The course of work of the present invention is as follows:
When customer requirements is play the MP3 music, if do not have song 21 li of described storage unit, can be connected with an end of data line by described Mini USB interface, the other end of described data line connects PC, then passes through the PC download music files in storage unit 21; If had the MP3 music in the described storage unit 21, the user can select the MP3 music by described instruction input block 25, microprocessor unit 22 is read selected audio file in the MP3 decoding device from storage unit 21 after selecting, after described MP3 decoding device decoding, become digital signal, this signal outputs to D/A converter according to the D/A converter form of the audio-frequency signal processing module 3 that the user sets by audio interface, D/A converter is delivered to earphone after the digital signal conversion is amplified for the acceptable simulating signal of people's ear and by power amplifier, can realize listening to music by earphone.
When using the present invention to unblank, by pressing the unlock key of described keyboard, described microprocessor unit 22 is controlled described driver element 23 after receiving unlocking signal, makes described driver element 23 drive the light signal that described luminescence unit 24 emissions contain unlocking cipher.Store in the door lock for passing the normal data that the data of coming compare with described photon key, after described door lock receives described photon key and passes the data of coming, the normal data in these data and the door lock is compared.If the normal data in the door lock is complementary with the data that receive, then described door lock carries out unlocking action, otherwise described data are abandoned, and door lock is failure to actuate.
In sum, the photon key of band audio playing function of the present invention is compared with existing photon key or audio player by light signal transmitter module 2 and audio-frequency signal processing module 3 are optimized combination, and function of the present invention is more; Compare with the combination of audio player with existing photon key, volume of the present invention is little, price is low, be easy to carry and use.
The above is described embodiments of the invention by reference to the accompanying drawings; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present invention; do not breaking away from the scope situation that aim of the present invention and claim protect; also can make a lot of forms; for example; change described digital audio file into for prompting voice document etc., these all belong within the protection of the present invention.
Claims (10)
1. photon key with audio playing function, it comprises the light signal transmitter module, described light signal transmitter module is used for the light signal that emission contains unlocking cipher; It is characterized in that: also comprise audio-frequency signal processing module, store digital audio file in the described light signal transmitter module, described audio-frequency signal processing module is used for converting described digital audio file to simulated audio signal.
2. the photon key with audio playing function according to claim 1, it is characterized in that: described digital audio file is music file or voice document.
3. the photon key with audio playing function according to claim 2, it is characterized in that: described music file is MP3 or WMA formatted file.
4. according to claim 1 and 2 or 3 described photon keys with audio playing function, it is characterized in that: described light signal transmitter module comprises microprocessor unit, driver element and luminescence unit, described microprocessor unit is used for controlling described driver element, makes the described luminescence unit emission of described drive unit drives contain the light signal of unlocking cipher.
5. the photon key with audio playing function according to claim 4, it is characterized in that: described light signal transmitter module also comprises storage unit, described storage unit is used for storing described digital audio file and unlocking cipher file.
6. the photon key with audio playing function according to claim 4, it is characterized in that: described light signal transmitter module also comprises the instruction input block, described instruction input block is used for to described microprocessor unit input instruction.
7. the photon key with audio playing function according to claim 4, it is characterized in that: described luminescence unit is light emitting diode.
8. according to claim 1 and 2 or 3 described photon keys with audio playing function, it is characterized in that: described audio-frequency signal processing module comprises D/A converting unit and power amplification unit, and described D/A converting unit is used for converting described digital audio file to simulated audio signal; Described power amplification unit is used for that described simulated audio signal is carried out audio frequency and amplifies.
9. according to claim 1 and 2 or 3 described photon keys with audio playing function, it is characterized in that: described photon key also comprises power module, and described power module is used to described light signal transmitter module and audio-frequency signal processing module that electric energy is provided.
10. according to claim 1 and 2 or 3 described photon keys with audio playing function, it is characterized in that: described power module comprises USB unit, rechargeable battery and voltage regulation unit, and described USB unit is used for being connected with the external USB interface and described rechargeable battery being carried out management of charging and discharging; The voltage stabilization that described voltage regulation unit is used for described rechargeable battery is exported is in the scope of setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100929574A CN103366418A (en) | 2012-03-31 | 2012-03-31 | Photon key with audio play function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100929574A CN103366418A (en) | 2012-03-31 | 2012-03-31 | Photon key with audio play function |
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| CN103366418A true CN103366418A (en) | 2013-10-23 |
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| CN2012100929574A Pending CN103366418A (en) | 2012-03-31 | 2012-03-31 | Photon key with audio play function |
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| US20040117039A1 (en) * | 2002-12-05 | 2004-06-17 | Overhead Door Corporation | Door operator console with message center |
| CN201336070Y (en) * | 2008-12-14 | 2009-10-28 | 李磊 | Multifunctional automobile remote controller |
| FR2936636A1 (en) * | 2008-10-01 | 2010-04-02 | Valeo Securite Habitacle | Identification module for remotely locking/unlocking motor vehicle, has case in which communication units permitting communication with vehicle are housed, and reception housing for receiving extractible memory |
| GB2465320A (en) * | 2010-03-22 | 2010-05-19 | Mohammed Ayub Ullah | Secure vehicle key with fingerprint scanner |
| CN201539152U (en) * | 2009-10-26 | 2010-08-04 | 范根喜 | Photoelectric code lock system |
| CN201666040U (en) * | 2010-01-25 | 2010-12-08 | 方荣光 | Key of optical coded lock |
| CN201818137U (en) * | 2010-07-08 | 2011-05-04 | 张永富 | Light-control anti-theft lock and anti-theft door |
| CN201826605U (en) * | 2010-10-18 | 2011-05-11 | 刘海潮 | Key with MP3 function |
-
2012
- 2012-03-31 CN CN2012100929574A patent/CN103366418A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040117039A1 (en) * | 2002-12-05 | 2004-06-17 | Overhead Door Corporation | Door operator console with message center |
| FR2936636A1 (en) * | 2008-10-01 | 2010-04-02 | Valeo Securite Habitacle | Identification module for remotely locking/unlocking motor vehicle, has case in which communication units permitting communication with vehicle are housed, and reception housing for receiving extractible memory |
| CN201336070Y (en) * | 2008-12-14 | 2009-10-28 | 李磊 | Multifunctional automobile remote controller |
| CN201539152U (en) * | 2009-10-26 | 2010-08-04 | 范根喜 | Photoelectric code lock system |
| CN201666040U (en) * | 2010-01-25 | 2010-12-08 | 方荣光 | Key of optical coded lock |
| GB2465320A (en) * | 2010-03-22 | 2010-05-19 | Mohammed Ayub Ullah | Secure vehicle key with fingerprint scanner |
| CN201818137U (en) * | 2010-07-08 | 2011-05-04 | 张永富 | Light-control anti-theft lock and anti-theft door |
| CN201826605U (en) * | 2010-10-18 | 2011-05-11 | 刘海潮 | Key with MP3 function |
Non-Patent Citations (1)
| Title |
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| 张福炎等: "《大学计算机信息技术教程》", 31 August 2007, article "大学计算机信息技术教程" * |
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Application publication date: 20131023 |