CN103595432A - Wireless multimedia system capable of automatically identifying wireless address code and information interaction method - Google Patents
Wireless multimedia system capable of automatically identifying wireless address code and information interaction method Download PDFInfo
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- CN103595432A CN103595432A CN201210292270.5A CN201210292270A CN103595432A CN 103595432 A CN103595432 A CN 103595432A CN 201210292270 A CN201210292270 A CN 201210292270A CN 103595432 A CN103595432 A CN 103595432A
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Abstract
The invention discloses a wireless multimedia system capable of automatically identifying a wireless address code and an information interaction method. The system comprises an address-code wireless transmitter and a hand-held intelligent wireless multimedia terminal, wherein the address-code wireless transmitter can periodically emit address coding information; the hand-held intelligent wireless multimedia terminal can automatically receive the address coding information and store multimedia information. The system and the method of the invention have the advantages that the structure of the apparatus is simple; cost is low; the system can aim at multiple sight spots; there is no interference during usage of a single person; personnel operation is not needed; the system and the method can be used by all consumers.
Description
Technical field
The present invention relates to the aid of travelling, i.e. a kind of wireless multimedia system and information interacting method of automatic identification radio address code.
Background technology
Along with further developing of tourist industry, the progress of information technology, improves greatly and has enriched daily life.Take leisure, go sightseeing to be main tourist industry and to be absorbed as with scientific and technological information and humane information the concern that main exhibition center, museum, culture and education shop in column, product trading can more and more be subject to people.Visit, the electronization of tourist service, intellectuality, visual be the developing direction of comprehensive raising service class and level.Traditional artificial explanation mode not only needs a large amount of man power and materials, in the time of can't guaranteeing to explain orally that more, a plurality of announcer of quality, particularly number explains simultaneously, and visitor's explanation content of mostly can't hear or can not hear clearly.The active demand to electronic guide product of the deficiency existing based on tradition explanation mode and tourist market.
Summary of the invention
The wireless multimedia system and the information interacting method that the object of the present invention is to provide a kind of automatic identification radio address code, this apparatus structure is simple, and cost is low, can be for many sight spot, single use does not interfere with each other.
Implementation of the present invention is as follows: the wireless multimedia system of automatically identifying radio address code, the address code transmitting set that comprises energy periodic transmission address code information, and can automatic reception address code information and the hand-held intelligent wireless multimedia terminal that stores multimedia messages.
Address code transmitting set comprises transmitting power Circuit tuning, single-chip microcomputer, the wireless transmitting unit connecting successively.
Described hand-held intelligent wireless multimedia terminal comprises radio receiving unit, processor, the SDRAM memory connecting successively, and described processor is also connected with Flash memory and LCD touch-screen.
Described processor is also connected with audio-frequency module, and described audio-frequency module is connected with earphone.
Described processor is also connected with SD card extension storage interface circuit, usb circuit.
Described wireless transmitting unit and radio receiving unit all adopt CYWUSB6934 radio receiving transmitting module.
Automatically identify the information interacting method of the wireless multimedia system of radio address code,
Comprise the steps,
Step 1: address code information forwarding step, by transmitting power Circuit tuning control single chip computer, and the radiofrequency signal of launching corresponding power by Single-chip Controlling wireless transmitting unit, wireless transmitting unit is called the address code information of storage in single-chip microcomputer simultaneously, and address code information is sent;
Step 2: address code information receiving step, by the control radio receiving unit of processor, the address code information that radio receiving unit automatic detecting receiving step 1 is sent;
Step 3: multimedia messages invocation step, after step 2 completes, radio receiving unit receives address code information, by the processing of processor, call Flash memory or with the multimedia messages corresponding with address code information in SDRAM memory;
Step 4: multimedia step, after step 3 completes, by the decoding of processor, process, multimedia messages is uploaded to audio-frequency module and LCD touch-screen is play.
Based on above-mentioned, technical problem to be solved of the present invention is: due in tourist industry, sight spot is more, if adopt traditional artificial explanation can increase a large amount of costs, based on this problem, the present invention proposes, take multimedia terminal as medium, information is stored in multimedia terminal in advance, being about to the information such as voice and video is stored in hand-held intelligent wireless multimedia terminal, then, adopt radio-frequency technique, at different sight spots, arrange at least one address code transmitting set, address code wireless transmission function periodically sends address code information, like this, only hand-held intelligent wireless multimedia terminal need to be arranged to can automatic reception address code information equipment, then according to address code information, call the information such as voice and video that match with address code information, then by voice and video equipment, play, can save a large amount of narrators.Can the hand-held intelligent wireless multimedia terminal of outfit that people is independent, when visitor moves to behind corresponding sight spot, address code transmitting set sends out the address code information at corresponding sight spot, and the relevant information that hand-held intelligent wireless multimedia terminal can call this sight spot is like this understood.
The invention has the advantages that: this apparatus structure is simple, and cost is low, can be for many sight spots, single use does not interfere with each other, and without personnel, operates ，Ke Facing the whole group consumer groups.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Embodiment mono-
As shown in Figure 1.
Automatically the wireless multimedia system of identification radio address code, comprises the address code transmitting set of energy periodic transmission address code information, and can automatic reception address code information and the hand-held intelligent wireless multimedia terminal that stores multimedia messages.
Address code transmitting set comprises transmitting power Circuit tuning, single-chip microcomputer, the wireless transmitting unit connecting successively.
Described hand-held intelligent wireless multimedia terminal comprises radio receiving unit, processor, the SDRAM memory connecting successively, and described processor is also connected with Flash memory and LCD touch-screen.
Described processor is also connected with audio-frequency module, and described audio-frequency module is connected with earphone.
Described processor is also connected with SD card extension storage interface circuit, usb circuit.
Described wireless transmitting unit and radio receiving unit all adopt CYWUSB6934 radio receiving transmitting module.
Automatically identify the information interacting method of the wireless multimedia system of radio address code,
Comprise the steps,
Step 1: address code information forwarding step, by transmitting power Circuit tuning control single chip computer, and the radiofrequency signal of launching corresponding power by Single-chip Controlling wireless transmitting unit, wireless transmitting unit is called the address code information of storage in single-chip microcomputer simultaneously, and address code information is sent;
Step 2: address code information receiving step, by the control radio receiving unit of processor, the address code information that radio receiving unit automatic detecting receiving step 1 is sent;
Step 3: multimedia messages invocation step, after step 2 completes, radio receiving unit receives address code information, by the processing of processor, call Flash memory or with the multimedia messages corresponding with address code information in SDRAM memory;
Step 4: multimedia step, after step 3 completes, by the decoding of processor, process, multimedia messages is uploaded to audio-frequency module and LCD touch-screen is play.
Based on above-mentioned, technical problem to be solved of the present invention is: due in tourist industry, sight spot is more, if adopt traditional artificial explanation can increase a large amount of costs, based on this problem, the present invention proposes, take multimedia terminal as medium, information is stored in multimedia terminal in advance, being about to the information such as voice and video is stored in hand-held intelligent wireless multimedia terminal, then, adopt radio-frequency technique, at different sight spots, arrange at least one address code transmitting set, address code wireless transmission function periodically sends address code information, like this, only hand-held intelligent wireless multimedia terminal need to be arranged to can automatic reception address code information equipment, then according to address code information, call the information such as voice and video that match with address code information, then by voice and video equipment, play, can save a large amount of narrators.Can the hand-held intelligent wireless multimedia terminal of outfit that people is independent, when visitor moves to behind corresponding sight spot, address code transmitting set sends out the address code information at corresponding sight spot, and the relevant information that hand-held intelligent wireless multimedia terminal can call this sight spot is like this understood.
Address code transmitting set is adjustable at coverage 5 m ~ 25 m of each sight spot/exhibition booth; Between each sight spot/exhibition booth, do not interfere with each other; The transmitting of address code transmitting set address code information adopts ISM band; Signal transmission power is adjustable within allowed band; Can under the relative rugged environment of temperature humidity, work; Use intellectualized operation system, can upgrade at any time application program; Automatically the audio-video frequency content of realizing different sight spot/exhibition booths switches; Have graphic user interface, user can manually select audio-video document and languages by touch-screen; Can deposit audio-video document, size and quantity determine according to SD memory card capacity, can field download upgrade; Support audio frequency MP3 and MPEG1-4 video file to play; Transmitting main frame meets relevant national standard.
The main control singlechip of address code transmitting set is selected the MSP430F133 of TI company; The main control processor of hand-held intelligent wireless multimedia terminal is selected the S3C2440A of Samsung, and this chip typical case dominant frequency is 400 MHz, integrated NAND Flash controller, SD/MMC controller, lcd controller, SPI interface controller etc.; (3) radio receiving transmitting module is selected CYWUSB6934; (4) Flash memory adopts the K9F1208UOB of Samsung; (5) SDRAM adopts the HY57561620T of Hynix company; (6) display screen adopts NEC 3.5 ' TFT touch-screen; (7) audio decoder chip adopts UDA1341TS.
CYWUSB6934 chip: this chip both can be used as transmitting, also can be used as receiving, and is operated in 2.4 GHz ISM frequency ranges, and frequency range is 2.4 GHz～2.483 GHz.The feature (radiant power is 0 dBm to the maximum) with low-power consumption, low radiation, and transmitting power adjustable (totally 7 grades); Wireless receiving is highly sensitive, can reach-90 dBm; Communication radius can reach the line communication distance of 10 m(when Maximum Power Output and clear stop can reach 15 m left and right).Due to its closely, the feature such as low-power consumption, be highly suitable for short range wireless transmission.
Address code transmitting set: be to take single-chip microcomputer as the control system that core forms, mainly comprise that power module, wireless transmitting unit and transmitting power Circuit tuning close, the interface of single-chip microcomputer and wireless transmitter module is SPI mouth.
Hand-held intelligent wireless multimedia terminal: the audio-video frequency content of each sight spot/exhibition booth is stored in SD storage card with specific format, and each file is named with prescribed manner, and corresponding to an address code.
Hand-held intelligent wireless multimedia terminal has been started shooting after the startup of the startup of hardware initialization, (SuSE) Linux OS, the carry of file system and graphic user interface, by user, clicks the intelligent dibbling system program icon operation program request program on figure desktop.System queries, after this information, reads the data register of CYWUSB6934 immediately with address acquisition code.System can contrast the address code receiving and last data, if identical, continue to play, and automatically switches to file that should address code is play if different.
As mentioned above, can well realize the present invention.
Claims (7)
1. automatically identify the wireless multimedia system of radio address code, it is characterized in that: comprise the address code transmitting set of energy periodic transmission address code information, and can automatic reception address code information and the hand-held intelligent wireless multimedia terminal that stores multimedia messages.
2. the wireless multimedia system of automatic identification radio address code according to claim 1, is characterized in that: address code transmitting set comprises transmitting power Circuit tuning, single-chip microcomputer, the wireless transmitting unit connecting successively.
3. the wireless multimedia system of automatic identification radio address code according to claim 2, it is characterized in that: described hand-held intelligent wireless multimedia terminal comprises radio receiving unit, processor, the SDRAM memory connecting successively, and described processor is also connected with Flash memory and LCD touch-screen.
4. the wireless multimedia system of automatic identification radio address code according to claim 3, is characterized in that: described processor is also connected with audio-frequency module, and described audio-frequency module is connected with earphone.
5. the wireless multimedia system of automatic identification radio address code according to claim 3, is characterized in that: described processor is also connected with SD card extension storage interface circuit, usb circuit.
6. the wireless multimedia system of automatic identification radio address code according to claim 3, is characterized in that: described wireless transmitting unit and radio receiving unit all adopt CYWUSB6934 radio receiving transmitting module.
7. automatically identify the information interacting method of the wireless multimedia system of radio address code, it is characterized in that:
Comprise the steps,
Step 1: address code information forwarding step, by transmitting power Circuit tuning control single chip computer, and the radiofrequency signal of launching corresponding power by Single-chip Controlling wireless transmitting unit, wireless transmitting unit is called the address code information of storage in single-chip microcomputer simultaneously, and address code information is sent;
Step 2: address code information receiving step, by the control radio receiving unit of processor, the address code information that radio receiving unit automatic detecting receiving step 1 is sent;
Step 3: multimedia messages invocation step, after step 2 completes, radio receiving unit receives address code information, by the processing of processor, call Flash memory or with the multimedia messages corresponding with address code information in SDRAM memory;
Step 4: multimedia step, after step 3 completes, by the decoding of processor, process, multimedia messages is uploaded to audio-frequency module and LCD touch-screen is play.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113777911A (en) * | 2021-10-09 | 2021-12-10 | 中国北方车辆研究所 | Controller composite error-proofing method based on address coding |
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| CN1916885A (en) * | 2005-08-19 | 2007-02-21 | 深圳市朗科科技有限公司 | Method for synchronous playing image, sound, and text |
| CN201145962Y (en) * | 2007-11-28 | 2008-11-05 | 刘啟元 | Multimedia book player |
| CN201781482U (en) * | 2009-06-19 | 2011-03-30 | 北京创毅视讯科技有限公司 | Wireless guide machine |
| CN202721670U (en) * | 2012-08-17 | 2013-02-06 | 成都众山科技有限公司 | Wireless multimedia system capable of automatically identifying wireless address code |
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- 2012-08-17 CN CN201210292270.5A patent/CN103595432A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1916885A (en) * | 2005-08-19 | 2007-02-21 | 深圳市朗科科技有限公司 | Method for synchronous playing image, sound, and text |
| CN201145962Y (en) * | 2007-11-28 | 2008-11-05 | 刘啟元 | Multimedia book player |
| CN201781482U (en) * | 2009-06-19 | 2011-03-30 | 北京创毅视讯科技有限公司 | Wireless guide machine |
| CN202721670U (en) * | 2012-08-17 | 2013-02-06 | 成都众山科技有限公司 | Wireless multimedia system capable of automatically identifying wireless address code |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113777911A (en) * | 2021-10-09 | 2021-12-10 | 中国北方车辆研究所 | Controller composite error-proofing method based on address coding |
| CN113777911B (en) * | 2021-10-09 | 2023-06-02 | 中国北方车辆研究所 | Address coding-based controller composite error proofing method |
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Application publication date: 20140219 |