WO2010114273A2 - Wireless communication device with graphical user interface type input device function - Google Patents
Wireless communication device with graphical user interface type input device function Download PDFInfo
- Publication number
- WO2010114273A2 WO2010114273A2 PCT/KR2010/001918 KR2010001918W WO2010114273A2 WO 2010114273 A2 WO2010114273 A2 WO 2010114273A2 KR 2010001918 W KR2010001918 W KR 2010001918W WO 2010114273 A2 WO2010114273 A2 WO 2010114273A2
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- WIPO (PCT)
- Prior art keywords
- wireless communication
- signal
- uwb
- computer
- input device
- Prior art date
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- 230000008054 signal transmission Effects 0.000 claims 2
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
- G06F13/387—Information transfer, e.g. on bus using universal interface adapter for adaptation of different data processing systems to different peripheral devices, e.g. protocol converters for incompatible systems, open system
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03543—Mice or pucks
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/38—Universal adapter
- G06F2213/3814—Wireless link with a computer system port
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2370/00—Aspects of data communication
- G09G2370/16—Use of wireless transmission of display information
Abstract
The present invention relates to a wireless communication device including an input device function of graphical user interface (GUI) type. A wireless communication apparatus including an input device function of GUI comprises a UWB communication block configured to convert a data signal inputted to a computer coupled to the wireless communication apparatus into a UWB signal and wirelessly transmit the UWB signal, and to convert another UWB signal inputted wirelessly into a data signal or a control signal recognized by the computer and transmit the data signal or the control signal to the computer, an input device configured to a control movement of cursor in a screen of the computer according to a graphical user interface method, and a hub controller configured to selectively route signals outputted from the UWB communication block and the input device to interface between the computer and both the UWB communication block and the input device.
Description
The present invention relates to a wireless communication apparatus; and, more particularly, to a wireless communication device including an input device function of graphical user interface (GUI) type.
A short-range high frequency wireless communication technology enables the exchange of data between communication and electronic devices and the remote access and control to the communication and electronic devices.
This technology allows the bi-directional communication service to provide and use contents such as a music, a video, a digital data, and so on. The short-range high frequency wireless communication technology includes a Bluetooth, a wireless local area network (WLAN), a wireless personal area network (WPAN), a ZigBee, an ultra wide band (UWB), a near field communication (NFC), a wireless 1394, and etc.
The ultra wide band (UWB) may be used to refer to any radio technology having bandwidth exceeding the lesser of 500 MHz or 20% of the arithmetic center frequency, according to Federal Communications Commission (FCC). Recently, the ultra wide band (UWB) includes a carrier modulation technology for transmitting information spread over a large bandwidth (>500 MHz). Generally, the UWB may be used in the range of 3.1 to 10.6 GHz at a speed of 53.3 Mbps to 480 Mbps or more. The UWB can enables a short-range wireless communication having characteristics of high data rate, longer-range and low power consumption.
When a wireless network builds up based on the UWB, a PCI card including a UWB communication module should be equipped to an internal slot of a desktop computer. In case of a notebook, a PCMCIA card or a CF card is required. Otherwise, the desktop computer or the notebook is coupled to an additional USB dongle including a UWB communication module via a USB port. To insert the additional USB dongle into the USB port is not convenient, like coupling an external device to a computer through a cable adaptor. Further, since an external port such as a USB port should be used for the USB, one of limited ports is of no use for another purpose.
The present invention can provide a wireless communication apparatus comprising an input device function of graphical user interface (GUI) type without using or occupying an external port.
An embodiment of the present invention is to provide a wireless communication apparatus comprising an input device function of graphical user interface (GUI) type without using or occupying an external port.
In an embodiment of the present invention, a wireless communication apparatus including an input device function of GUI comprises a UWB communication block configured to convert a data signal inputted to a computer coupled to the wireless communication apparatus into a UWB signal and wirelessly transmit the UWB signal, and to convert another UWB signal inputted wirelessly into a data signal or a control signal recognized by the computer and transmit the data signal or the control signal to the computer, an input device configured to control movement of a cursor in a screen of the computer according to a graphical user interface method, and a hub controller configured to selectively route signals outputted from the UWB communication block and the input device to interface between the computer and both the UWB communication block and the input device.
In another embodiment of the present invention, a wireless communication system comprises a computer, a data processing unit, and an input device including an interface unit configured to input user's command to the computer and a wireless communication unit configured to perform a wireless communication between the computer and the data processing unit.
The present invention can be applied to a wireless communication system and a computing system. Particularly, the present invention may increase usefulness of ports and reduce cables coupled to the wireless communication system and the computing system.
Fig. 1 is a conceptual diagram showing a wireless network formation comprising a wireless communication device according to an embodiment of the present invention.
Fig. 2 describes UWB frequency spectrum allocation in MB-OFDM.
Fig. 3 is a block diagram depicting a wireless communication apparatus according to an embodiment of the present invention.
Fig. 4 is a block diagram showing a mouse comprising the wireless communication device shown in Fig. 1.
While the invention will be described in conjunction with exemplary embodiments, it will be understood that present description is not intended to limit the invention to those exemplary embodiments. On the contrary, the invention is intended to cover not only the exemplary embodiments, but also various alternatives, modifications, equivalents and other embodiments, which may be included within the spirit and scope of the invention as defined by the appended claims.
Hereinafter, reference will now be made in detail to various embodiments of the present invention, examples of which are illustrated in the accompanying drawings and described below.
Fig. 1 is a conceptual diagram showing a wireless network formation comprising a wireless communication device according to an embodiment of the present invention. Hereinafter, a PC, a notebook, a computer, a desktop computer, and etc., each not including a UWB communication module, are referred as to a host.
Referring to Fig. 1, the wireless communication device 300 including an input device function of graphical user interface (GUI) type according to an embodiment of the present invention is coupled to a USB port of a host 100 not including a UWB communication module. If the wireless communication device 300 is coupled to the host 100, the host 100 can be operated by a graphical user interface without any additional GUI type input device.
The host 100 coupled to the wireless communication device 300 enables data transmission and reception in a wireless communication with a projector 210, a wireless monitor 220, and an audio apparatus 230, each installing each USB communication modules 213, 223, and 233 as well as another host 240 coupled to a wireless communication device according to the present invention. Herein, the data can include various-type data such as a video data, an audio data, a text data, and so on.
Hereinafter, an apparatus which the host 100 coupled to the wireless communication device 300 according to an embodiment of the present invention communicates with, under UWB communication, is referred as to an external device 200. The external device 200 can include various devices such as not only a projector, a wireless monitor, and an audio apparatus but also a printer, a digital camera, a camcorder (video camera recorder), a headphone, a mobile phone, and so on. The external device 200 may comprise a controller configured to process an inputted data. For example, if the external device 200 is a plotter 210 or a wireless monitor 220, the external device 200 can include a signal processing unit or a video decoder to process a video data inputted through UWB communication.
Fig. 2 describes UWB frequency spectrum allocation in MB-OFDM.
The UWB is one of optimized solutions to enable a high-speed wireless communication having data rates of the maximum 480 Mbps in a short range of lesser than 10 m.
The Federal Communication Commission (FCC) assigns a frequency band of 3.1 to 10.6 GHz for UWB communication. The FCC power spectral density emission limit for UWB emitters operating in the UWB band is -41.3 dBm/MHz, to minimize an interference occurred between UWB communication and another narrowband wireless communication using an overlapped frequency range.
The WiMedia MBOA alliance suggests Multi-Band Orthogonal Frequency Division Multiplexing (MB-OFDM) for a high data-rate wireless communication. In MB-OFDM, a frequency spectrum is split into 14 bands, each having a range of 528 MHz. As shown in Fig. 2, there are six band groups binding two or three bands in the frequency spectrum. In an embodiment of the present invention, a wireless communication device is for using UWB technology to wirelessly transmit a video data in a short range.
Fig. 3 is a block diagram depicting a wireless communication apparatus according to an embodiment of the present invention.
As shown, the wireless communication apparatus 300 can be coupled via USB port, and etc. of the host 100. Fig. 3 describes an embodiment in a case when the wireless communication apparatus 300 is coupled to the host 100 via USB port.
Referring to Fig. 3, the wireless communication apparatus 300 includes a UWB communication block 310, an input device 320, a USB hub controller 330, and a USB cable 340.
The UWB communication block 310 enabling the exchange of data between the host 100 and the external device 200 through UWB communication comprises a sign-on block 311, a UWB communication controller 312, an information storing unit 313, a base band processing unit 314, an RF transmitter315, a band pass filter 316, and an antenna 317.
The sign-on block 311 outputs a start signal to the UWB communication controller 312 in response to user's input. Herein, the start signal allows the UWB communication controller 312 to explore the external device 200 including a UWB communication module for USB communication with the host 100. According to an embodiment, a UWB communication block does not include a sign-on block. If there is no sign-on block inside the UWB communication block, the UWB communication controller 312 starts to explore the external device 200 when the wireless communication apparatus 300 is coupled to a USB port.
The UWB communication controller 312 controls course of data transmission or data signal reception. The UWB communication controller 312 receives the start signal outputted from the sign-on block 311, explores the external device 200 installing a USB communication module, establishing a UWB wireless communication between the host 100 and the explored external device 200, and controlling the UWB wireless communication in a short range. If a predetermined event is occurred from the external device 200 after the UWB communication controller 312 is wirelessly connected to the external device 200, the UWB communication controller 312 allows the base band processing unit 314 or the RF transmitter315 to receive data from the external device 200 or transmit data from the host 100 to the external device 200.
The information storing unit 313 stores a profile for supporting various UWB applications. When data is delivered from the external device 200 to the host 100, the RF transmitter 315 performs down-conversion from a RF signal inputted via the antenna 317 into an in-phase or quadrature-phase signal and outputs the in-phase or quadrature-phase signal to the base band processing unit 314. The base band processing unit 314 converts the in-phase or quadrature-phase signal into a digital signal. Also, the base band processing unit 314 performs another digital signal processing operation such as an error- restoration using various algorithms according to a wireless channel circumstance.
In a case that the host 100 transmits data to the external device 200, the base band processing unit 314 converts a digital signal corresponding to the data into an analog in-phase or quadrature-phase signal and outputs the analog in-phase or quadrature-phase signal to the RF transmitter 315. The RF transmitter 315 performs up-conversion from the analog in-phase or quadrature-phase signal to a RF signal and outputs the RF signal to the band pass filter 316.
The band pass filter 316 receives the RF signal from the RF transmitter 315 and passes the RF signal within frequencies in a band used for UWB communication to transmit a band-passed signal to the external device 200 via the antenna 317. Herein, the antenna 317 can be arranged to a side of the wireless communication apparatus 300, which is opposite to a side held by user's hand.
The input device 320 configured to perform an input device function of graphical user interface (GUI) type to the host 100 comprises a movement detection sensor 321, a coordinate calculating unit 322, an interface unit 323, and a control signal processor 324.
The movement detection sensor 321 detects movement of the wireless communication apparatus 300. For example, the movement detection sensor 321 can include an optical device configured to use a light for sensing the movement. Not only the optical device but also various devices which can detect its movement can be applied to the wireless communication apparatus 300. The coordinate calculating unit 322 receives a signal corresponding to the movement of the wireless communication apparatus 300, which is sensed by the movement detection sensor 321, performs a coordinate conversion about the signal, and outputs the result including position information in a domain of two plots, i.e., X axis and Y axis, to the control signal processor 324.
The interface unit 323 comprises one or more buttons, generating a signal according to which button physical or electrical input is delivered through and outputting the signal to the control signal processor 324. The control signal processor 324 receives the result of coordinate conversion from the coordinate calculating unit 322 and the signal outputted from the interface unit 323 and controls the movement of cursor in a screen of the host 100.
The USB hub controller 330 provides a USB driver to the host 100 if the wireless communication apparatus 300 is coupled to the host 100, selectively routes data outputted from the UWB communication block 310, and interfaces between the host 100 and both the UWB communication block 310 and the input device 320. The USB cable 340 couples the USB hub controller 330 to the host 100 via a USB port.
Plural units and elements described in Fig. 3 such as the UWB communication block 310, the input device 320, the USB hub controller 330, the movement detection sensor 321, the coordinate calculating unit 322, the interface unit 323, the control signal processor 324, and so on are separated for explanation convenience. These units and elements may be individually formed or be formed in one chip. Also, two or more of all units and elements, e.g., the coordinate calculating unit 322 and the control signal processor 324, can be formed in one circuit
Fig. 4 is a block diagram showing a mouse comprising the wireless communication device shown in Fig. 1.
Referring to Fig. 4, the mouse according to an embodiment of the present invention comprises a UWB chip antenna 410, a USB hub controller 420, a UWB communication module 430, two switching units 440 and 460, a wheel 450, first and second signal processing modules 470 and 490, a micro controller 480, and an optical sensor 495.
Herein, the two switching units 440 and 460 including buttons, the wheel 450, the first signal processing module 470, the micro controller 480 and the optical sensor 495 are used for inherent functions of the mouse. However, the UWB chip antenna 410, the USB hub controller 420, a UWB communication module 430 and the second signal processing module 490 is used for UWB communication between the host 100 and the external device 200.
As described above, a wireless communication apparatus according to an embodiment of the present invention allows wireless communication with an external device without inserting additional USB dongle type product into a USB port.
In an embodiment of present invention, a wireless communication apparatus communicates with an external device, using frequencies assigned to UWB technology. However, according to embodiments of the present invention, a wireless communication apparatus can use frequencies in other frequency band.
Further, a wireless communication apparatus in an embodiment of present invention is applied to a mouse; but according to embodiments of the present invention, the wireless communication apparatus can be applied to a keyboard or another interface device.
Plural units and elements included in the present invention can be fabricated in a field programmable gate array (FPGA) or ASIC. Further, plural components, units and elements can comprises software or hardware components, object-oriented components, class components, processes, functions, procedures, sub-routines, program code segments, drivers, firm wares, micro codes, circuits, data, database, tables, arrays, variables, and so on.
Further, functions of plural units and elements above described are performed by a microprocessor, a controller, a micro controller, an application specific integrated circuit (ASIC), and the like.
The present invention can be applied to a wireless communication system and a computing system. Particularly, the present invention may increase usefulness of ports and reduce cables coupled to the wireless communication system and the computing system.
It will be apparent to those skilled in the art that various modifications and variation can be made in the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention cover the modifications and variations of this invention, provided they come within the scope of the appended claims and their equivalents.
Claims (17)
- A wireless communication apparatus including an input device function of graphical user interface (GUI), comprising:a UWB communication block configured to convert a data signal inputted to a computer coupled to the wireless communication apparatus into a UWB signal and wirelessly transmit the UWB signal, and configured to convert another UWB signal inputted wirelessly into a data signal or a control signal recognized by the computer and transmit the data signal or the control signal to the computer;an input device configured to control movement of a cursor in a screen of the computer according to a graphical user interface method; anda hub controller configured to selectively route signals outputted from the UWB communication block and the input device to interface between the computer and both the UWB communication block and the input device.
- The wireless communication apparatus according to claim 1, wherein the wireless communication apparatus is coupled to the computer via a USB port.
- The wireless communication apparatus according to claim 2, wherein the hub controller is coupled to the USB port.
- The wireless communication apparatus according to claim 1, wherein the UWB communication block comprises:a UWB communication controller configured to control course of data signal transmission or data signal reception;a base band processing unit configured to perform conversions between a data signal inputted to the computer and an analog in-phase or quadrature-phase signal in response to wireless transmitting or receiving;a RF transmitter configured to perform down and up conversions between the analog in-phase or quadrature-phase signal and a radio frequency signal in response to the wireless transmitting or receiving.
- The wireless communication apparatus according to claim 1, wherein the input device comprises:a movement detection sensor configured to output a signal corresponding to movement of the wireless communication apparatus;a coordinate calculating unit configured to perform a coordinate conversion to the signal and output a result of the coordinate conversion; anda control signal processor configured to control the movement of the cursor in the screen of the computer in response to the result of the coordinate conversion.
- The wireless communication apparatus according to claim 5, wherein the movement detection sensor comprises an optical device using a light for sensing the movement of the wireless communication apparatus.
- The wireless communication apparatus according to claim 1, wherein the UWB signal is communicated in 3.1 GHz to 10.6 GHz at data rates of 53.5 Mbps to 480 Mbps.
- A wireless communication system, comprising:a computer;a data processing unit; andan input device including an interface unit configured to input user's command to the computer and a wireless communication unit configured to perform a wireless communication between the computer and the data processing unit.
- The wireless communication system according to claim 8, wherein the wireless communication unit uses an Ultra Wide Band (UWB) signal for the wireless communication.
- The wireless communication system according to claim 8, wherein the input device includes a mouse.
- The wireless communication system according to claim 8, wherein the input device includes a keyboard.
- The wireless communication system according to claim 8, wherein the input device is coupled to the computer via a USB port.
- The wireless communication system according to claim 8, wherein the input device comprises:a UWB communication controller configured to control course of data signal transmission or data signal reception;a base band processing unit configured to perform conversions between a data signal inputted to the computer and an analog in-phase or quadrature-phase signal in response to wireless transmitting or receiving;a RF transmitter configured to perform down and up conversions between the analog in-phase or quadrature-phase signal and a radio frequency signal in response to the wireless transmitting or receiving.
- The wireless communication system according to claim 8, wherein the input device comprises:a movement detection sensor configured to output a signal corresponding to movement of the wireless communication apparatus;a coordinate calculating unit configured to perform a coordinate conversion to the signal and output a result of the coordinate conversion; anda control signal processor configured to control the movement of a cursor in the screen of the computer in response to the result of the coordinate conversion.
- The wireless communication system according to claim 14, wherein the movement detection sensor comprises an optical device using a light for sensing movement of the wireless communication unit.
- The wireless communication system according to claim 9, wherein the UWB signal is communicated in 3.1 GHz to 10.6 GHz at data rates of 53.5 Mbps to 480 Mbps.
- The wireless communication system according to claim 8, wherein the data processing unit includes one or more of a projector, a wireless monitor, an audio device, a printer, a digital camera, a camcorder, a headphone, and a mobile phone.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2009-0028500 | 2009-04-02 | ||
| KR1020090028500A KR20100110101A (en) | 2009-04-02 | 2009-04-02 | Wireless communication device with graphical user interface type input device function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2010114273A2 true WO2010114273A2 (en) | 2010-10-07 |
| WO2010114273A3 WO2010114273A3 (en) | 2010-12-23 |
Family
ID=42828831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2010/001918 WO2010114273A2 (en) | 2009-04-02 | 2010-03-30 | Wireless communication device with graphical user interface type input device function |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR20100110101A (en) |
| WO (1) | WO2010114273A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014066869A1 (en) * | 2012-10-27 | 2014-05-01 | Ping Liang | Interchangeable wireless sensing apparatus for mobile or nreworked devices |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5870080A (en) * | 1996-03-14 | 1999-02-09 | Gateway 2000, Inc. | Electro-magnetic transceiver combined with a pointing device |
| JP2004258825A (en) * | 2003-02-25 | 2004-09-16 | Hitachi Instruments Service Co Ltd | Portable data backup interface |
| JP2005122527A (en) * | 2003-10-17 | 2005-05-12 | Fujitsu Component Ltd | Pointing device and receiving unit |
| KR20060073548A (en) * | 2006-05-11 | 2006-06-28 | 영남대학교 산학협력단 | Wireless display apparatus using uwb |
| US20080039007A1 (en) * | 2006-07-28 | 2008-02-14 | Cameo Communications, Inc. | Multifunctional ultra wideband wireless transmission system |
-
2009
- 2009-04-02 KR KR1020090028500A patent/KR20100110101A/en not_active Application Discontinuation
-
2010
- 2010-03-30 WO PCT/KR2010/001918 patent/WO2010114273A2/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5870080A (en) * | 1996-03-14 | 1999-02-09 | Gateway 2000, Inc. | Electro-magnetic transceiver combined with a pointing device |
| JP2004258825A (en) * | 2003-02-25 | 2004-09-16 | Hitachi Instruments Service Co Ltd | Portable data backup interface |
| JP2005122527A (en) * | 2003-10-17 | 2005-05-12 | Fujitsu Component Ltd | Pointing device and receiving unit |
| KR20060073548A (en) * | 2006-05-11 | 2006-06-28 | 영남대학교 산학협력단 | Wireless display apparatus using uwb |
| US20080039007A1 (en) * | 2006-07-28 | 2008-02-14 | Cameo Communications, Inc. | Multifunctional ultra wideband wireless transmission system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014066869A1 (en) * | 2012-10-27 | 2014-05-01 | Ping Liang | Interchangeable wireless sensing apparatus for mobile or nreworked devices |
| CN104756093A (en) * | 2012-10-27 | 2015-07-01 | 梁平 | Interchangeable wireless sensing apparatus for mobile or nreworked devices |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010114273A3 (en) | 2010-12-23 |
| KR20100110101A (en) | 2010-10-12 |
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