KR20100123386A - Wireless digitizer tablet - Google Patents

Abstract

PURPOSE: A wireless digitizer tablet is provided to indicate a figure applied with a thickness of lines and shade by outputting location and pressure data to an external device. CONSTITUTION: A first pen sensor(41) senses location and pressure of a stylus pen. A first signal processing unit(42) receives a pen location and pressure sensing signal. The pen location and pressure data is created. A second signal processing unit(44) receives a user control signal from user interface. An external device control data is created. A communication control unit(471) outputs pen location and pressure data or external device control data through a wireless local communication unit(45) to an external device.

Description

Wireless digitizer tablet {WIRELESS DIGITIZER TABLET}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wireless digitizer tablet, and more particularly, to a wireless digitizer tablet capable of communicating with an external device connected through a short range wireless communication network and controlling operation of an application program mounted on the external device.

In the field of computing, stylus-based input has become widespread with the widespread use of computing devices such as personal digital assistants, laptop computers, PMPs, and the like. A digitizer is an input device used to detect the position of contact by the stylus. Conventional digitizers have been used attached to or integrated with the display surface of a display device.

Digitizer tablets are small, flat, plate-like computer peripherals that let the user draw a corresponding image on the computer screen as the user draws on it with a stylus pen. These digitizer tablets assist user input in common computers, such as keyboards and mice.

Recently, due to the development of the Internet and broadcast communication, education, presentations, and seminars using computers connected to the Internet are expanding in companies and schools. Training, presentations, and seminars often require additional explanations using whiteboards or copyboards. In this case, using a digitizer tablet allows you to enter additional descriptions on the computer screen, eliminating the inconvenience of using a whiteboard or copyboard. This trend is expected to increase the value of digitizer tablets in the future.

The present invention has been proposed in the background as described above, and an object of the present invention is to input a figure having a thickness and a joke applied to an external device connected through a short-range wireless communication network, and further, to operate an application program mounted on the external device. To provide a controllable wireless digitizer tablet.

It is an additional object of the present invention to provide a wireless digitizer tablet capable of carrying a short-range wireless wireless communicator attached to or detached from an external device, and further informing the outside of an operation state of the device.

It is a further object of the present invention to provide a wireless digitizer tablet in which an external device is implemented to enable 1: n communication with a plurality of wireless digitizer tablets.

Another additional object of the present invention is to provide a wireless digitizer tablet capable of charging the battery.

A still further object of the present invention is to provide a wireless digitizer tablet for displaying image information corresponding to pen position / pressure data transmitted to an external device.

In order to achieve the above object, the wireless digitizer tablet according to an aspect of the present invention, the housing on which the writing surface member is formed, the cover on which the battery storage is formed, and the stylus pen moving on the writing surface member of the housing A first pen sensing unit for sensing the position and pressure of the first pen, a first signal processing unit for generating the pen position / pressure data by receiving the pen position and the pressure sensing signal from the first pen detecting unit, and outputting the pen position / pressure data; A user interface unit for receiving a user operation signal for controlling an application program mounted on the device, a second signal processing unit for receiving the user operation signal from the user interface unit and generating and outputting external device control data; Wireless base that handles short-range wireless communication connections with external devices and sends data to connected external devices And a communication unit, a communication control unit and outputting the external device control data input from the pen position / pressure data or the second signal processing unit is input from the first signal processing unit via a wireless short-range communication unit to the external apparatus.

The wireless digitizer tablet according to an additional aspect of the present invention further includes a wireless communicator storage unit for storing a wireless communicator with a cover detached from and attached to an external device. In one example, the wireless communicator may be implemented with a Bluetooth USB dongle.

In accordance with another aspect of the present invention, a wireless digitizer tablet includes: a battery level detector for detecting a battery level by receiving a voltage from a battery installed in a battery storage part of a cover; and receiving a battery level signal from a battery level detector; A display control unit which displays a remaining icon, receives a communication connection signal with an external device from a wireless local area communication unit, displays a communication connection icon, receives a pen detection signal from the first pen detection unit, and displays a pen operation icon; It includes a display unit for outputting the input display data to the screen.

The wireless digitizer tablet according to another additional aspect of the present invention, the communication control unit outputs pen position / pressure data or external device control data to the external device when the external device control authority grant data is input from the external device through the wireless local area communication unit; The display control unit may display an authority display icon when the external device control authority grant data is input from the wireless local area communication unit.

In accordance with still another aspect of the present invention, a wireless digitizer tablet includes: a power terminal installed in a housing and coupled to a connector for inputting external power; and receiving power from a power terminal to charge a battery stored in a battery storage unit of a cover. The battery charging unit further comprises.

The wireless digitizer tablet according to another additional aspect of the present invention generates an organic light emitting diode (OLED) and display data corresponding to pen position / pressure data input from the first signal processor to generate an organic light emitting diode (OLED). The apparatus further includes an image information processing unit for outputting.

According to the above configuration, the wireless digitizer tablet of the present invention is implemented to generate the pen position / pressure data by sensing the position and pressure of the stylus pen to output to an external device connected via a wireless local area network, the thickness of the line in the external device There is a useful effect that can display a figure that is applied with a shade.

Furthermore, the wireless digitizer tablet of the present invention has a useful effect of controlling the operation of application programs mounted on an external device, for example, PowerPoint, Excel, multimedia programs such as various videos and music.

In addition, the wireless digitizer tablet of the present invention has a useful effect that can prevent the loss of the wireless communicator in advance by forming a wireless communicator storage portion on the cover, and eliminates the trouble of finding a wireless communicator.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the present embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the like elements throughout.

1 illustrates a wireless digitizer tablet and an external device interworking with the wireless digitizer tablet according to the present invention.

As shown, the wireless digitizer tablet 11 is connected to the external device 12 through a wireless local area network. The wireless digitizer tablet 11 sends data to the external device 12 that indicates both the two-dimensional position of the pen contact and the amount of pressure applied when the stylus pen 13 contacts the writing surface member surface of the tablet 11. send. In addition, the wireless digitizer tablet 11 is implemented to have a function of searching for an application mounted on the external device 12 and a function of controlling the operation of the application.

The external device 12 is a device capable of wireless communication with the wireless digitizer tablet 11, and may be implemented as, for example, a desktop computer, a notebook, an electronic blackboard, a TV, and the like. The external device 12 should be provided with a tablet interlocking driver that can interoperate with the wireless digitizer tablet 11. Meanwhile, the external device 12 may be a device in which a tablet interlocking driver is mounted as a basic specification at the time of manufacture. The tablet interlocking driver that can work with the wireless digitizer tablet 11 includes a macro key manager. Accordingly, the user can link and use an Internet portal site address, a blog, a file folder, etc. to each macro key through the macro key manager.

The external device 12 may be implemented to enable 1: n communication with the plurality of wireless digitizer tablets 11. In one embodiment, the tablet interlocking driver mounted on the external device 12 receives the identification number of the wireless digitizer tablet 11 set by the wireless communication device, and transmits the control authorization data including the identification number to the wireless local area network. It can communicate with a plurality of wireless digitizer tablet 11 by transmitting through.

Figure 2 shows a wireless digitizer tablet according to an embodiment of the present invention, Figure 2a is a front of the wireless digitizer tablet, Figure 2b is a rear view of the wireless digitizer tablet, Figure 3 is a wireless according to the present invention Shows the operating status icons of the digitizer tablet.

 First, referring to FIG. 2A, in the wireless digitizer tablet 20 of the present invention, a housing 21 is formed. The housing 21 has a writing surface member 211, a display portion 212, a power button 213, scroll key buttons 214a and 214b, a pen groove 215 and a recognition button 216 on the surface thereof. Pen slot 217 is formed.

The writing surface member 211 is an area in which the stylus pen is recognized and includes a work area 211a and a macro key area 211b. Here, the work area 211a is an area for detecting the position and pressure of the stylus pen in conjunction with the stylus pen, and the macro key area 211b is an Internet portal site address or blog, connected to an external device connected through a wireless local area network. This area detects the pen location to instruct to connect file folders.

The display unit 212 is a device for displaying an operation state icon of the wireless digitizer tablet of the present invention, and is implemented by LCD. As an example, as shown in FIG. 3, the operation state icon displayed on the display unit 212 may include power on 31, authorization 32, communication connection 33, first pen operation 34, and battery level ( 35), a second pen action 36, a tablet identification number 37, and a volume control indicator 38.

The power button 213 is used to connect a power source for operating the wireless digitizer tablet of the present invention. The scroll key buttons 214a and 214b are used to control the operation of an application mounted on an external device to which the user is connected through a wireless local area network. For example, you can move pages in PowerPoint, move worksheets in Excel, and navigate multimedia programs such as various videos and music.

The pen groove 215 is an area for detecting the movement of the stylus pen. The pen groove 215 is a movement of the pen instructing to increase or decrease the volume of an application program mounted on an external device connected through a wireless local area network, for example, a multimedia program such as a video and music. This area is detected. In one embodiment, the external device may be implemented to increase the volume when the user puts the pen tip of the stylus pen into the pen groove 215 and increases the volume when moved clockwise, and decreases the volume when moved counterclockwise.

A recognition button 216 is a button connected to a wireless local area communication device mounted on the wireless digitizer tablet of the present invention, and is used to instruct a user to attempt a communication connection with a nearby wireless local area communication device. Pen slot 217 is used to insert and secure the stylus pen.

Hereinafter, referring to FIG. 2B, a cover 22 is formed of the wireless digitizer tablet 20 of the present invention. The cover 22 is mounted to the housing 21, and a wireless communicator storage unit 221 and a battery storage unit 222 are formed.

The wireless communicator storage unit 221 stores a wireless communicator, for example, a wireless USB dongle attached to or detached from an external device connected through a wireless local area network. Accordingly, the user can not only solve the inconvenience of having to carry the wireless communicator separately, but can also prevent the loss in advance and further eliminate the trouble of finding the wireless communicator when using the wireless communicator. The battery storage unit 222 stores the battery and serves to protect the terminal contact portion in which the (+) terminal and the (-) terminal of the battery are in contact with each other although not shown.

4 is a block diagram showing the configuration of a wireless digitizer tablet according to a first embodiment of the present invention.

As shown, the wireless digitizer tablet according to the present embodiment includes a first pen detector 41, a first signal processor 42, a user interface 43, a second signal processor 44, The wireless local area communication unit 45, the battery 46, and the controller 47 may be implemented.

The first pen detector 41 detects the position and pressure of the stylus pen moving on the writing surface member 211 of the housing. As described above, the writing surface member 211 of the housing includes a work area 211a and a macro key area 211b. The first pen detector 41 detects the position and pressure of the stylus pen moving on the work area 211a and detects the position of the stylus pen on the macro key area 211b.

In an exemplary embodiment, the first pen detector 41 may include a loop coil group in the X direction in which a plurality of loop coils are arranged in the X direction, and a loop coil group in the Y direction in which a plurality of loop coils are parallel to the Y direction. It can be implemented as a resistive pressure sensor plate consisting of a position sensor plate and two sheets of resistive components arranged by a spacer and in contact with each other by pressing.

The first signal processor 42 receives a pen position and a pressure sensing signal from the first pen detector 41 to generate and output pen position / pressure data. For example, when the contact resistance value is input from the first pen detector 41, the first signal processor 42 may use the pressure measured by a pressure sensitive sensor plate of a resistive type and the contact resistance. It can be implemented to calculate.

The user interface unit 43 receives a user manipulation signal for controlling an application program mounted on an external device, and includes a scroll key button 431 and a second pen detector 432. The scroll key button 431 is used by the user to control the operation of an application program mounted on an external device connected through a wireless local area network. For example, you can move pages in PowerPoint, move worksheets in Excel, and navigate multimedia programs such as various videos and music.

The second pen detector 432 detects a position of the stylus pen moving in the pen groove (reference numeral 215 of FIG. 2A). In one embodiment, the second pen detector 432 detects whether the user moves the pen tip of the stylus pen into the pen groove (reference numeral 215 of FIG. 2A) and moves clockwise or counterclockwise.

The second signal processor 44 receives a user manipulation signal from the user interface 43 to generate and output external device control data. Here, the external device control data may be application data mounted on the external device, for example, movement of a page of a PowerPoint, movement of a worksheet of Excel, multimedia programs such as various videos and music, and the like. In addition, the external device control data may be volume control data.

The wireless local area communication unit 45 processes a wireless communication connection with an external device and transmits data to the connected external device, and may be implemented as Bluetooth, Wi-Fi, or the like. When the recognition button (reference numeral 216 of FIG. 2A) is pressed, the wireless local area communication unit 45 is implemented to attempt a communication connection with a wireless local area communication device that is present in the vicinity.

The battery 46 is a device for supplying power to the entire system and is mounted in the battery storage unit (reference numeral 222 of FIG. 2B). In one embodiment, the battery 46 may be implemented as a lithium-ion rechargeable battery.

The controller 47 may be implemented as a ROM, a RAM, and a microprocessor, and may include a communication controller 471 and a battery level detector 472. The communication controller 471 transmits the pen position / pressure data input from the first signal processor 42 or the external device control data input from the second signal processor 44 through the wireless local area communication unit 45. Output to external device through). The battery remaining amount detector 472 receives a voltage from the battery 46 and detects the remaining amount of battery.

In one embodiment, the wireless digitizer tablet according to the present invention receives the battery level signal from the battery level detection unit 472 to display the battery level icon, the wireless short-range communication unit 45 to communicate with the external device signal A display controller 473 that receives a communication connection icon, receives a pen detection signal from the first pen detector 41, and displays a pen operation icon; and display data input from the display controller 473 on the screen. It may include a first display unit 48 for outputting. In one example, the first display unit 48 is implemented as a liquid crystal display (LCD).

In another additional embodiment, the wireless digitizer tablet according to the present invention may further include a charging unit (49). According to such an embodiment, the housing of the wireless digitizer tablet of the present invention is further provided with a power terminal to which a connector for inputting external power is coupled. The charging unit 49 receives power from the power supply terminal to charge the battery mounted in the battery storage unit (reference numeral 222 of FIG. 2B) of the cover.

A plurality of wireless digitizer tablet according to the present invention can be implemented to enable communication with one external device. In order to support communication with a plurality of wireless digitizer tablets in one external device, in one embodiment, the communication control unit 471 is a pen when the external device control authority grant data is input from the external device through the wireless local area communication unit 45. It is implemented to output position / pressure data or external device control data to an external device.

According to this embodiment, the display control unit 473 may be implemented to display a right display icon when the external device control right grant data is input from the wireless local area communication unit 45. In addition, the display controller 473 may be implemented to receive and display the tablet identification data from the wireless local area communication unit 45.

In another additional embodiment, the wireless digitizer tablet according to the present invention is an image information processor 474 and an image information processor for generating and outputting display data corresponding to pen position / pressure data input from the first signal processor 42. The display apparatus may further include a second display unit 50 for outputting display data output from the display unit 474 to the screen.

For example, the second display unit 50 may be implemented as an organic light emitting diode OLED. Here, the organic light emitting diode (OLED) may be a substrate made of glass or plastic, an indium tin oxide (ITO) transparent electrode, a hole injection layer, a hole transport layer, sequentially stacked on the substrate. It may be configured to include a light emitting layer, an electron transport layer, an electron injection layer and the back electrode.

The image information processing unit 474 may include a graphics processor for generating pixel information (for example, color values) to be displayed corresponding to pen position / pressure data input from the first signal processing unit 42, and pixel information (for example, pixel information) from the graphics processor. For example, it may be implemented as an OLED driving driver that drives an OLED pixel to receive a color value) and output light corresponding to the value.

Thus far, the present specification has been described with reference to the embodiments shown in the drawings so that those skilled in the art to which the present invention pertains can easily understand and reproduce the present invention. Those skilled in the art will understand that various modifications and equivalent other embodiments are possible from the embodiments of the present invention. Accordingly, the true scope of the present invention should be determined only by the appended claims.

1 illustrates a wireless digitizer tablet and an external device interworking with the wireless digitizer tablet according to the present invention.

FIG. 2 illustrates a wireless digitizer tablet in accordance with an embodiment of the present invention, FIG. 2A illustrates a front surface of the wireless digitizer tablet, and FIG. 2B illustrates a rear surface of the wireless digitizer tablet.

3 illustrates an operating state icon of the wireless digitizer tablet according to the present invention.

4 is a block diagram showing the configuration of a wireless digitizer tablet according to a first embodiment of the present invention.

<Brief description of the major symbols in the drawings>

20: Wireless Digitizer Tablet

21: housing 22: cover

211: writing surface member

211a: Work Area 211b: Macro Key Area

212: display unit 213: power button

214a, 214b: Scroll Key Button 215: Pen Home

216: Recognition button 217: Pen slot

221: wireless communication unit storage unit 222: battery storage unit

Claims (9)

A housing on which a writing surface member is formed; A cover mounted to the housing and having a battery storage part; A first pen detector for sensing the position and pressure of the stylus pen moving on the writing surface member of the housing; A first signal processor configured to receive a pen position and a pressure sensing signal from the first pen detector and generate and output pen position / pressure data; A user interface unit installed in the housing and receiving a user operation signal for controlling an application program mounted on an external device; A second signal processor which receives a user manipulation signal from the user interface and generates and outputs external device control data; A wireless local area communication unit installed in the housing to process a wireless communication connection with an external device and to transmit data to the connected external device; And A communication control unit outputting pen position / pressure data input from the first signal processing unit or external device control data input from the second signal processing unit to the external device through the wireless local area communication unit; Wireless digitizer tablet comprising a. The method of claim 1 wherein the cover is: A wireless communicator storage unit for storing a wireless communicator attached to or detached from an external device; Wireless digitizer tablet further comprises. The tablet of claim 1 wherein the wireless digitizer tablet comprises: A battery level detection unit configured to detect a battery level by receiving a voltage from a battery installed in the battery storage unit of the cover; Receives a battery level signal from the battery level detection unit, displays a corresponding battery level icon, receives a communication connection signal with an external device from the wireless local area communication unit, displays a communication connection icon, and detects a pen from the first pen detector. A display controller configured to receive a signal and display a pen operation icon; And A display unit which outputs display data input from the display control unit to a screen; Wireless digitizer tablet comprising a. The method of claim 1, The communication control unit, When the external device control authority grant data is input from the external device through the wireless local area communication unit, the pen position / pressure data or the external device control data is output to the external device, The display control unit, The wireless digitizer tablet, characterized in that for displaying the authority display icon when the external device control authority grant data from the wireless local area communication unit. The method of claim 1, The display control unit, And receiving tablet identification data from the wireless local area communication unit and displaying the tablet identification data on the display unit. The method of claim 1, wherein the user interface unit: At least two scroll key buttons; And A second pen detector detecting a position of the stylus pen; Wireless digitizer tablet comprising a. The tablet of claim 1 wherein the wireless digitizer tablet comprises: A power supply terminal installed in the housing to which a connector for inputting external power is coupled; A battery charging unit configured to charge power stored in the battery storage unit of the cover by receiving power from the power terminal; Wireless digitizer tablet further comprises. The method of claim 1, In the housing or cover, Wireless digitizer tablet, characterized in that the pen slot is inserted into which the stylus pen is inserted. The tablet of claim 1 wherein the wireless digitizer tablet comprises: Organic light emitting diodes (OLED); And An image information processor configured to generate display data corresponding to pen position / pressure data input from the first signal processor and output the generated display data to the OLED; Wireless digitizer tablet further comprises.

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