CN1661932B - Wireless data communicator - Google Patents
Wireless data communicator Download PDFInfo
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- CN1661932B CN1661932B CN200410005799XA CN200410005799A CN1661932B CN 1661932 B CN1661932 B CN 1661932B CN 200410005799X A CN200410005799X A CN 200410005799XA CN 200410005799 A CN200410005799 A CN 200410005799A CN 1661932 B CN1661932 B CN 1661932B
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Abstract
The wireless communication device includes wireless transmission unit, camera shot unit, memory unit, interface unit and power source unit. The said interface unit is connected to wireless transmission unit, camera shot unit, and memory unit in order to integrate them as a whole and build a data channel to data processing system. The power source unit provides operation voltage for wireless transmission unit, camera shot unit, memory unit, and interface unit. The disclosed device possesses features of small size, lightweight, easy to be carried, saving interface resources of data processing system and wide application area.
Description
Technical field
The present invention relates to the communications field, especially relate to a kind of wireless data communication device.
Background technology
In recent years, be accompanied by the fast development of electronic technology and information technology, wireless Internet access, digital picture and mobile storage technology are more and more known for people.
In the prior art, get online without being tethered to a cable and adopt GPRS (General Packet Radio Service usually, GPRS) radio networking device and CDMA (Code Division Multiple Access, code division multiple access) radio networking device utilizes that data handling system such as notebook data handling system realizes wirelessly landing, the function of view Internet.
At present, Digital image technology has also been come into people's life, the collection of digital picture and treatment facility not only have discrete digital camera, digital camera and PC (Personal Computer, the personal data treatment system) camera, three-in-one video camera also occurred, be about to digital camera, digital camera and PC camera three set and be one.Can realize the function of digital camera, digital camera and PC camera selectively separately by described three-in-one video camera.
Simultaneously, the mobile storage technology has more and more been goed deep into people's work, life.Movable storage device commonly used comprises portable hard drive, mobile flash memory disk (Flash) etc., utilizes movable storage device the needs canned data can be preserved thereon, carries to prepare against when needing and uses.
Although the scope of application of wireless Internet access, digital picture and movable storage device more and more widely, but because above-mentioned three kinds of equipment are separate devices independent of each other, the function singleness of above-mentioned three kinds of equipment can not possess the function of wireless Internet access, digital camera and mobile storage simultaneously.In other words, radio networking device can only be realized the function of single wireless online; Digital image device can only realize gathering the function with processing digital images separately; Movable storage device can only be used for stored information, thereby still inevitably has the some shortcomings part in actual use:
At first, adopt wireless Internet access, digital picture and movable storage device need take three interfaces of data handling system in the prior art simultaneously, for the data handling system that three or three above interfaces are arranged, the interface resource that takies is more.
Secondly, be less than three data handling system, can't realize connecting simultaneously above-mentioned three equipment, thereby can not support above-mentioned three functions simultaneously for interface.If change above-mentioned three equipment as required by an interface, just need plug described equipment continually, for use is made troubles, simultaneously, cause the operating time to be grown, efficient is lower.
Once more, the wireless Internet access that prior art provides, digital picture and movable storage device are independent of each other, when needing three kinds of equipment simultaneously, carry above-mentioned three separate equipment to finish above-mentioned three kinds of functions, thereby overall volume is big, weight is heavier, causes and carries inconvenience.
Summary of the invention
The technical problem that the present invention solves is: a kind of wireless data communication device is provided, described device takies that resource is less, volume is little, in light weight, be easy to carry and use.
The technical scheme of technical solution problem of the present invention is: a kind of wireless data communication device is provided, comprises wireless transmission unit, image unit, memory cell, interface unit and power subsystem; Described interface unit comprises three second interfaces, connect wireless transmission unit, image unit and memory cell respectively, described wireless transmission unit, image unit and memory cell are combined, by the data channel of same physical interface foundation with data handling system; Described power subsystem is used for providing operating voltage to wireless transmission unit, image unit, memory cell, interface unit.
Wherein, described wireless transmission unit comprises radio-frequency (RF) transceiver, baseband processor and microcontroller; Described radio-frequency (RF) transceiver is used for receiving and sending radiofrequency signal; Described baseband processor is used to handle described radiofrequency signal; Described microcontroller is used to control described radio-frequency (RF) transceiver and baseband processor.
Wherein, described wireless transmission unit further comprises the transducer of translation interface agreement.
Wherein, described wireless transmission unit further comprises dual-mode antenna.
Wherein, described memory cell comprises controller that is used for the control data storage and the storage medium that is used to store data.
Wherein, described storage medium is a flash memory.
Wherein, described device further comprises the interface that connects External memory equipment.
Wherein, described image unit comprises data acquisition unit, A/D converter and processor.
Wherein, described data acquisition unit comprises cmos sensor and/or CCD photoreceptor.
Wherein, described interface unit also comprises first interface; Described first interface connects data handling system.
Wherein, described first interface uses any in the following interface:
USB interface, IEEE1394 interface, blue tooth interface, IrDA infrared interface, HomeRF interface, IEEE802.11a interface, IEEE802.11b, IEEE802.11g, UWB, WiMAX, wired wide area/lan interfaces, wireless wide-area/lan interfaces.
Wherein, described second interface comprises USB interface and/or IEEE1394 interface.
Wherein, described power subsystem uses any in the following power supply:
Battery supply, external power supply, from the interface power supply of data handling system.
Wherein, described power subsystem comprises voltage conversion circuit, and being used for the voltage transitions from data handling system is the operating voltage of described device.
With respect to prior art, the invention has the beneficial effects as follows:
The first, because wireless data communication device of the present invention is integrated with wireless transmission unit, image unit and memory cell, thereby serves many purposes, can realize the function of RFDC, storage data and IMAQ and processing simultaneously.
Second, wireless data communication device of the present invention is integrated in one by interface unit with wireless transmission unit, image unit and memory cell, and the interface unit by the connecting interface unit is connected with an interface of data handling system, save the interface resource of data handling system, and can be applied to the limited data handling system of interface.
The 3rd, because wireless transmission unit, image unit and memory cell are integrated in one, make that wireless data communication device volume of the present invention is less, weight is lighter, be easy to carry and use.
Description of drawings
Fig. 1 is the functional-block diagram of wireless data communication device of the present invention;
Fig. 2 is the functional-block diagram of wireless transmission unit;
Fig. 3 is the circuit theory diagrams of wireless transmission unit;
Fig. 4 is the functional-block diagram of image unit;
Fig. 5 is the circuit theory diagrams of image unit;
Fig. 6 is the functional-block diagram of memory cell;
Fig. 7 is the circuit theory diagrams of memory cell;
Fig. 8 is the circuit theory diagrams of interface unit.
Embodiment
See also Fig. 1, wireless data communication device of the present invention comprises interface unit 2, wireless transmission unit 3, image unit 4, memory cell 5 and power subsystem 6.Described interface unit 2 is connected with wireless transmission unit 3, image unit 4 and memory cell 5, sets up the data channel of wireless data communication device and data handling system; The described power subsystem 6 of data handling system provides operating voltage for interface unit 2, wireless transmission unit 3, image unit 4 and memory cell 5.
Described interface unit 2 is used for wireless transmission unit 3, image unit 4 and memory cell 5 are combined, and connects data handling system (figure does not show) by interface 1.Wherein, described interface 1 physical interface that is data handling system.The various electronic equipments that data-handling capacity is arranged of data handling system general reference of the present invention include but not limited to various personal computers, minicom, data processing work station and various exclusive data treatment system with external memory function.
Described interface unit 2 comprises first interface 211 and second interface 212.Described first interface 211 can be wired general-purpose interface or radio universal interface.Described first interface, 211 interface types comprise interfaces such as USB interface, IEEE1394 interface, bluetooth (Blue Tooth) interface, IrDA infrared interface, HomeRF interface, IEEE802.11a interface, IEEE802.11b, IEEE802.11g, UWB, WiMAX, wired wide area/lan interfaces and/or wireless wide-area/lan interfaces.First interface 211 of present embodiment adopts USB interface.Described second interface 212 can be wired general-purpose interface.Described second interface, 212 interface types comprise USB interface and/or IEEE1394 interface.Described second interface 212 both can be individual interface, also can be the combination of a plurality of same-interfaces and/or a plurality of dissimilar interfaces, each interface by separately based on interface protocol and different unit connections.Second interface 212 of present embodiment adopts USB interface.
The described wireless transmission unit 3 of data handling system, be connected with data handling system and communicate by letter by the interface unit 2 that is connected with interface 1, be used for data handling system and realize the function that wireless Internet access, note send by GPRS or cdma network, and the function that realizes RFDC such as voice call by the Internet.Or described data handling system realizes getting online without being tethered to a cable by WLAN, UWB or WiMAX through wireless transmission unit 3.Described wireless transmission unit 3 is set up the interface that image unit 4 and memory cell 5 and external the Internet network carry out image or transfer of data.
Described image unit 4 set digital cameras, digital video camcorder, three kinds of functions of PC camera are in one, can catch static and the moving object image, be used for the images acquired signal, the analog signal of gathering is carried out the conversion of analog signal/digital signal, and the digital signal after the treatment conversion.
Described memory cell 5 is used to store data, receives to connect data that wireless transmission unit 3 or image unit 4 transmit and to provide data through wireless transmission unit 3 to the outside, in order to using at any time.
Described power subsystem 6 is used for providing operating voltage to interface unit 2, wireless transmission unit 3, image unit 4 and memory cell 5.Described power subsystem 6 can the option interface power supply, a power supply supply in battery supply and the external power supply, and voltage conversion circuit is set therein, input voltage is converted to the required operating voltage in each unit.Certainly, certainly, power subsystem 6 can also be provided with power control switch, and this power control switch can cut off, connect the power supply supply of described wireless data communication device.Described battery supply can be photocell, primary cell and/or rechargeable battery.It is the rechargeable battery charging that carries that described power subsystem 6 can also be provided with translation circuit.
In the present embodiment, described power subsystem 6 option interface power supplys obtain power supply by interface 1 from the data handling system that links to each other.
Please in the lump with reference to Fig. 2 and Fig. 3, wireless transmission unit 3 comprises radio frequency (Radio Frequency, RF) transceiver 21, baseband processor 22 and microcontroller 23.Described microcontroller 23 transmits control signal to radio-frequency (RF) transceiver 21 and baseband processor 22, is used for the transmission and the processing of control signal.Described wireless transmission unit 3 is supported GPRS and cdma network, can pass through described GPRS or cdma network internet login, and the function of support voice conversation and short message receiving-transmitting.
Wherein, microcontroller 23 adopts chip shown in Figure 3.Microcontroller 23 has MIC, SPK+, SPK-pin, can connect receiver and/or transmitter, under the cooperation of radio-frequency (RF) transceiver 21, baseband processor 22, accept voice signal and voice signal is converted to the signal of telecommunication, perhaps be voice signal and send out by loud speaker with electrical signal conversion.Receiver and/or transmitter can adopt the commercially available device of various models.
Described wireless transmission unit 3 further comprises transducer (figure does not show), is used to change the interface protocol of wireless transmission unit 3, makes wireless transmission unit 3 to communicate by letter with data handling system by interface unit 2.For example in the present embodiment, serial line interface TXD, the RXD of wireless transmission unit 3 is converted to USB interface.
Described wireless transmission unit 3 further also is provided with radio frequency socket (figure does not show) and dual-mode antenna (figure does not show), and described radio frequency socket links to each other with described dual-mode antenna, is used for the transmission and the reception of wireless signal.
See also Fig. 4 and Fig. 5, described image unit 4 comprises data acquisition unit 41, A/D converter 42 and processor 43.Described data acquisition unit 41 images acquired signals also transfer to A/D converter 42 with image analoging signal; It is the digital signal that processor 43 and data handling system can be discerned, handle that described A/D converter 42 is used for analog signal conversion, and described processor 43 is used for handling from the digital signal of A/D converter 42.
Wherein, data acquisition unit 41 adopts digital camera, digital video camcorder, the three-in-one imageing sensor of PC camera, be used to catch static and the moving object image, and under VGA (Video GraphicArray, show drawing array) resolution from dynamic image capturing static image arbitrarily.The picture signal of imageing sensor collection is an analog signal, and described analog signal transmission is to A/D converter 42.
In the present embodiment, described data acquisition unit 41 can adopt the imageing sensor of CMOS type.Described image sensor pixel is between 350,000 pixels to 100, ten thousand pixels, and highest resolution is 640 * 480dpi, and maximum frame number is 30FPS, and the color figure place is 24bit.Described cmos image sensor is capable of automatic regulating brightness, and the auto color compensation is caught to realize real-time video.Adopt the image unit 4 of described data acquisition unit 41 can be applied to video conference call, Dynamic Web, video E-mail, image collection, and take pictures with the 640x480 pixel.Certainly, data acquisition unit 41 can also adopt the CCD photoreceptor.
Figure 5 shows that the embodiment circuit theory diagrams of A/D converter 42 in the image unit 4.Described A/D converter 42 is a digital signal with the analog-signal transitions that data acquisition unit 41 (cmos image sensor) obtains, and transfers to the processor 43 of rear end.
Described processor 43 can adopt DSP (Digital Signal Processors, digital signal processor) chip, in order to carrying out encoding and compress from the digital signal of A/D converter 42 according to jpeg format, thereby obtain comprising JPEG (Joint Photographic Experts Group, the Joint Photographic Experts Group) file of picture material.
Image file after the described JPEG compression transfers to continuous data handling system by interface unit 2 and interface 1, can directly obtain file after the JPEG compression by the application software that is installed on data handling system.Like this, jpeg file just is present in the PC application end.
See also Fig. 6 and Fig. 7, described memory cell 5 comprises interconnective controller 61 and storage medium 62.Wherein, controller 61 is used to control the read-write to storage medium 62.
In the present embodiment, described controller 61 adopts the control chip that has USB interface, described storage medium 62 adopts NAND (with non-) type FLASH (flash memory) chips, so as with the information stores such as image that collect in wherein, in needs, it is sent by wireless transmission unit 3.
Be appreciated that described controller 61 and storage medium 62 can be independently, also can be integrated in a chip.
See also Fig. 8, in the present embodiment, interface unit 2 adopts USB-HUB (usb hub).Described interface unit 2 comprises three second interfaces 212, connect wireless transmission unit 3, image unit 4 and memory cell 5 respectively, wireless transmission unit 3, image unit 4 and memory cell 5 are connected pin DMH0 and DPH0, DMH1 and DPH1 respectively, and DMH2 and DPH2.Thereby wireless transmission unit 3, image unit 4 and memory cell 5 combine by interface unit 2, and by interface 1 connection data handling system, to realize the function of RFDC, storage and IMAQ and processing by wireless data communication device of the present invention.
In the present embodiment, the required operating voltage in each unit be+3.3V and+4V.Wherein, input port 91 input voltages of described power subsystem 6 are+5V, its output voltage can+3.3V and+4V.First output port 92 of described power subsystem 6 provides+operating voltage of 3.3V to interface unit 2, image unit 4 and memory cell 5, and second output port 93 provides+operating voltage of 4V to wireless transmission unit 3.
Wireless data communication device provided by the invention is because set has wireless transmission unit 3, image unit 4 and memory cell 5, thereby can distinguish separately as radio networking device, three-in-one digital camera and the external memory of data handling system and use, can also realize the set of the external memory of radio networking device, three-in-one digital camera and data handling system.Tell about below and use the present invention and at first take and processing digital images, then image file is stored in memory cell 5, and upload on the Internet or send to the process of mobile phone terminal by SMS by wireless transmission unit 3 by image unit 4.
At first, the data handling system that connects wireless data communication device of the present invention is sent photographic images and is returned the image file order to image unit 4 by the application software corresponding with the present invention;
Image unit 4 is the imageing sensor images acquired signal of CMOS type by data acquisition unit 41, and described picture signal is an analog signal.Described analog signal transmission finish the conversion of analog signal to digital signal therein, and the data image signal after will changing transfers to processor 43 to A/D converter 42.43 pairs of signals from A/D converter 42 of described processor are handled, and just encode according to jpeg format and compress, thereby obtain comprising the jpeg file of picture material.
Image unit 4 is sent to data handling system by interface unit 2, interface 1 with the jpeg image file that obtains.
Then, data handling system sends the order of storing by application software to memory cell 5, and jpeg image file is transmitted to memory cell 5;
The storage medium 62 of memory cell 5 writes jpeg image file in the storage medium 62 under the control of controller 61.
Afterwards, data handling system obtains storing the information of finishing, thus image taking and in wireless data communication device of the present invention the process of memory image file finish.
Again, data handling system sends the order of getting online without being tethered to a cable by application software interface 1 to wireless transmission unit 3;
Communication unit 3 is the AT instruction with the command analysis of data handling system, and the application software by data handling system sends the order that comprises the AT instruction, and under the control of microcontroller 23, be connected GPRS, cdma network or WLAN (wireless local area network) by radio-frequency (RF) transceiver 21, baseband processor 22 and microcontroller 23, connect Intemet by described GPRS or cdma network again.Afterwards, under the prompting of application software, control, described jpeg image file is uploaded to the Internet.
The application software of data handling system learns that success uploads.
Be appreciated that, data handling system sends order by application software and interface 1 to wireless transmission unit 3 and sends multimedia message, same communication unit 3 is the AT instruction with the command analysis of data handling system, and the application software by data handling system sends the order that comprises the AT instruction, and under the control of microcontroller 23, be connected GPRS or cdma network by radio-frequency (RF) transceiver 21, baseband processor 22 and microcontroller 23, and image file sent with the note form by GPRS or cdma network.
It is pointed out that wireless data communication device provided by the invention not only is applied to the communication that the foregoing description is pointed out, also can be other form, Web conference for example, video telephone etc.Same data handling system of communicating by letter with wireless data communication device of the present invention also is not limited only to desk-top data handling system, notebook data handling system, also can anyly can realize under the effect of application software that mutual, the processing of data communicate by letter with the electronic equipment of controlling with other.
Described device can also further be provided with the interface that is used to connect External memory equipment, and described External memory equipment can be SM, CF, MMC, SDMS, MD and x-D etc., also can be hard disk, portable hard drive, other semiconductor storage etc.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (14)
1. a wireless data communication device is characterized in that: comprise wireless transmission unit, image unit, memory cell, interface unit and power subsystem;
Described interface unit comprises three second interfaces, connect wireless transmission unit, image unit and memory cell respectively, described wireless transmission unit, image unit and memory cell are combined, by the data channel of same physical interface foundation with data handling system;
Described power subsystem is used for providing operating voltage to wireless transmission unit, image unit, memory cell, interface unit.
2. wireless data communication device according to claim 1 is characterized in that: described wireless transmission unit comprises radio-frequency (RF) transceiver, baseband processor and microcontroller; Described radio-frequency (RF) transceiver is used for receiving and sending radiofrequency signal; Described baseband processor is used to handle described radiofrequency signal; Described microcontroller is used to control described radio-frequency (RF) transceiver and baseband processor.
3. wireless data communication device according to claim 2 is characterized in that: described wireless transmission unit further comprises the transducer of translation interface agreement.
4. according to each described wireless data communication device in the claim 1,2 and 3, it is characterized in that: described wireless transmission unit further comprises dual-mode antenna.
5. wireless data communication device according to claim 1 is characterized in that: described memory cell comprises controller that is used for the control data storage and the storage medium that is used to store data.
6. wireless data communication device according to claim 5 is characterized in that: described storage medium is a flash memory.
7. wireless data communication device according to claim 1 is characterized in that: described device further comprises the interface that connects External memory equipment.
8. wireless data communication device according to claim 1 is characterized in that: described image unit comprises data acquisition unit, A/D converter and processor.
9. wireless data communication device according to claim 8 is characterized in that: described data acquisition unit comprises cmos sensor and/or CCD photoreceptor.
10. wireless data communication device according to claim 1 is characterized in that: described interface unit also comprises first interface; Described first interface connects data handling system.
11. wireless data communication device according to claim 10 is characterized in that: described first interface uses any in the following interface:
USB interface, IEEE1394 interface, blue tooth interface, IrDA infrared interface, HomeRF interface, IEEE802.11a interface, IEEE802.11b, IEEE802.11g, UWB, WiMAX, wired wide area/lan interfaces, wireless wide-area/lan interfaces.
12. wireless data communication device according to claim 1 is characterized in that: described second interface comprises USB interface and/or IEEE1394 interface.
13. wireless data communication device according to claim 1 is characterized in that: described power subsystem uses any in the following power supply:
Battery supply, external power supply, from the interface power supply of data handling system.
14. wireless data communication device according to claim 1 is characterized in that: described power subsystem comprises voltage conversion circuit, and being used for the voltage transitions from data handling system is the operating voltage of described device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200410005799XA CN1661932B (en) | 2004-02-28 | 2004-02-28 | Wireless data communicator |
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| CN200410005799XA CN1661932B (en) | 2004-02-28 | 2004-02-28 | Wireless data communicator |
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| CN1661932A CN1661932A (en) | 2005-08-31 |
| CN1661932B true CN1661932B (en) | 2010-04-28 |
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| CN200410005799XA Expired - Lifetime CN1661932B (en) | 2004-02-28 | 2004-02-28 | Wireless data communicator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102831095A (en) * | 2012-08-03 | 2012-12-19 | 昆山大百科实验室设备工程有限公司 | Multifunctional USB (Universal Serial Bus) application interface |
| CN105812728A (en) * | 2016-03-10 | 2016-07-27 | 洛阳理工学院 | Image acquisition and wireless transmission system |
| CN111478714A (en) * | 2019-01-24 | 2020-07-31 | 宏碁股份有限公司 | Electronic device and signal transmission method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1305314A (en) * | 1999-11-15 | 2001-07-25 | 罗技电子股份有限公司 | Radio intelligent host computer image tone and data receiver |
| CN1391405A (en) * | 2002-07-18 | 2003-01-15 | 陈涛 | Radio image alarm device and method |
| CN1507267A (en) * | 2002-12-09 | 2004-06-23 | 北京中星微电子有限公司 | Radio digital image pick-up device and method |
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2004
- 2004-02-28 CN CN200410005799XA patent/CN1661932B/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1305314A (en) * | 1999-11-15 | 2001-07-25 | 罗技电子股份有限公司 | Radio intelligent host computer image tone and data receiver |
| CN1391405A (en) * | 2002-07-18 | 2003-01-15 | 陈涛 | Radio image alarm device and method |
| CN1507267A (en) * | 2002-12-09 | 2004-06-23 | 北京中星微电子有限公司 | Radio digital image pick-up device and method |
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