TWI651636B - Intuitive touch writing system - Google Patents

Abstract

An intuitive touch writing system, in which an existing electronic whiteboard needs to select or switch to a desired color or line thickness by clicking a function key, and the display of the function toolbar also occupies an area for writing, so the present invention provides An intuitive touch writing system with an active stylus, an electronic eraser and a capacitive touch device, which uses a touch signal or a variable capacitance area of different frequencies to cause a corresponding display or erasure of the capacitive touch device Function, active stylus and mark the color of the handwriting generated, or the stylus is a variety of writing tools and produce corresponding brushstroke effects, as long as the operation is performed according to the intended impression mode, no need to click the function key The handwriting can be written or erased directly for the purpose of intuitive operation.

Description

Intuitive touch writing system

An intuitive touch writing system, in particular, an intuitive touch writing system using an active stylus, an electronic eraser and a capacitive touch device.

The existing whiteboard uses ink to write. Before use, it is necessary to prepare appropriate writing tools (such as ink pens). It is inconvenient to use, consumes ink, has high writing cost and pollutes the environment. With the advancement of electronic technology and network communication technology, Nowadays, the electronic whiteboard system has gradually replaced the old-style blackboard or whiteboard and other equipment, and it is widely used in special occasions such as classrooms and conference rooms.

The electronic whiteboard generally has a touch writing function, and the user can use the stylus and other tools to write and draw on the electronic whiteboard. When the electronic whiteboard is actually operated, the side of the electronic whiteboard will be set with a toolbar or a shortcut function column. The toolbar is further divided into a color function selection toolbar, a line function thickness toolbar, an eraser function toolbar, a pattern selection function toolbar, and the like, so if the color of the handwriting is to be changed, the color function selection toolbar is first displayed, and then Click on the desired color. If you want to erase the handwriting, select the Eraser function toolbar from the menu, and then click the Eraser icon. Therefore, some electronic whiteboards will display the multiple rows of toolbars directly on the two sides of the whiteboard. side.

However, now all the manufacturers are providing tools on the electronic whiteboard to the operator to select the required functions, and the operator has to know how to use the electronic whiteboard. Therefore, it is necessary to explain the demonstration through a person or read the operation manual by himself. After a period of time to become familiar with the operation mode, even if you are familiar with the operation mode, you must understand that most of the functions that are used by teachers or briefings are to write or draw simple graphics on the electronic whiteboard with different colors of pens. And erase the handwriting, but each time you change the color, you must first call out the correct toolbar and then click the desired color. If you configure the toolbar on both sides of the whiteboard, the operator must move to another The side can take the required functions, which makes the operation inconvenient. Therefore, although there is an electronic whiteboard technology product, it is not popular, and even if the electronic whiteboard has been used, the usage rate is not high.

Therefore, the main object of the present invention is to provide an intuitive touch writing system that allows a user to find a desired function key without having to open a toolbar from the toolbar, or to pick up a desired color with an intuitive or predetermined impression. The active stylus is written on the capacitive touch device, and the handwriting of the corresponding color appears. In addition, the electronic eraser of the present invention is made into a brush-like shape, and the operator can intuitively use or use the predetermined eraser to use the eraser. The handwriting is erased, and the user can use the active stylus and the electronic board eraser according to the past experience and impression, and can be used immediately without the need of special teaching and reading the operation manual.

In order to achieve the above objective, the specific technical means of the present invention includes a plurality of active stylus pens, wherein the pen tips of the active stylus pens are electrically conductive, and the active stylus pens respectively set a trace signal generating chip but one of the active styluses The handwriting pen is not provided with the handwriting signal generating chip, and the active stylus pen not provided with the handwriting signal generating chip is directly electrically connected with the pen tip by the built-in power source, and each of the handwriting signals is provided to generate the wafer. The active stylus is electrically connected to the handwriting signal between the built-in power source and the nib to generate a wafer. Different handwriting signals are generated by the chip to generate a handwriting touch signal at different output frequencies and transmitted to the pen tip.

An electronic eraser is a plate-like body, the block system is provided for the user to hold, and the block body is provided with a built-in power source and a trace erase signal generator, and the bottom surface of the block body can be Conductively, the built-in power supply, the handwriting erase signal generator is electrically connected to the bottom surface of the block body, and the handwriting erase signal generator generates a trace of the touch signal at a specific frequency and transmits the touch signal to the The bottom surface of the block is different from the output frequency of the handwriting touch signals.

A capacitive touch device, when the tip of the active stylus touches a touch panel of the capacitive touch device, the capacitive touch device generates different handwriting according to different hand touch signals. a display function, wherein different handwriting display functions are at least different color of the displayed handwriting and different from the display background color of the capacitive touch device. When the bottom surface of the block body touches the touch panel, the capacitive touch The control device erases the touch signal according to the handwriting to generate a trace elimination function.

In an embodiment of the invention, another electronic eraser having the handwriting erase signal generator is used instead of the electronic eraser having the handwriting erase signal generator, and the structure of the other electronic eraser is the same as that of the electronic eraser, the difference is only another The built-in power supply of the electronic board eraser directly forms an electrical connection with the conductive bottom surface thereof, so that the entire surface of the other electronic board wiper is charged or partially charged, as long as the area of the charged part is substantially larger than the tip of the active stylus. When the bottom surface of the other electronic device wipes the touch panel, the capacitive touch device generates a handwriting elimination function by determining the size of the change region of the capacitance of the touch panel.

In an embodiment of the present invention, the active stylus pens are not provided with a handwriting signal generating chip, and the active stylus pens are different in size and different from the bottom surface of the electronic board. The capacitive touch device is different. Different handwriting display functions are generated according to the size of the change area of the capacitance. Therefore, the handwriting display function can also display the corresponding thickness and the predetermined handwriting color according to the size of the pen tip, or display the handwriting of the same thickness by appropriate setting, depending on the actual Depending on the needs.

The embodiments of the present invention will be described in more detail below with reference to the drawings and the reference numerals, which can be implemented by those skilled in the art after having studied this specification.

1 is a schematic diagram of an active stylus, an electronic eraser and a capacitive touch device according to the present invention. As shown in FIG. 1 , the intuitive touch writing system 100 of the present invention includes a plurality of active styluses 11 and an electronic eraser. 30 and a capacitive touch device 50.

The stylus 11 of the active stylus 11 can be electrically conductive. The active stylus 11 is provided with a trace signal generating chip 13 respectively. However, the active stylus 11 can be used without generating a handwriting signal to generate a wafer. An active stylus with a handwriting signal to generate a wafer is directly electrically connected to the nib with its own built-in power supply (see Figure 2).

The active touch 11 is provided with a handwriting signal generating chip. The handwriting signal generating chip 13 is electrically connected between the respective built-in power source 15 and the conductive pen tip. Different handwriting signals are generated differently. The output frequency generates a handwriting touch signal and transmits it to the pen tip, so the number of times the handwriting touch signals are generated in the same cycle is different and has a certain interval.

An electronic eraser 30 is generally in the form of a plate-like body. The block system is provided for the user to hold. The block body is provided with a built-in power source 31 and a trace erase signal generator 33. The block body is All or part of the bottom surface is electrically conductive. The built-in power source 31 and the handwriting erase signal generator 33 are electrically connected to the bottom surface of the block body. The handwriting erase signal generator 33 is electrically connected thereto. Between the power source 31 and the bottom surface of the block, the handwriting erase signal generator 33 generates a trace erase touch signal at a specific frequency and transmits the touch signal to the bottom surface of the block. The specific frequency is different from the The output frequency of the handwriting touch signal.

When the tip of the active stylus 11 touches a touch panel (not shown) of the capacitive touch device 50, the capacitive touch device 50 generates different signals according to different hand touch signals. a handwriting display function, wherein different handwriting display functions are different from at least the displayed handwriting color and different from the display background color of the capacitive touch device 50; and when the bottom surface of the block body touches the touch panel, the capacitance The touch device erases the touch signal according to the handwriting to generate a trace elimination function.

Since the conventional whiteboard pen is usually provided with three colors of blue, black and red, the active stylus 11 should preferably be used in three or more numbers in order to comply with the intuitive writing input mode of the present invention.

Referring to FIG. 2, FIG. 2 is a block diagram of a system according to a first embodiment of the present invention. Referring to FIG. 2, a first active stylus 11A, a second active stylus 11B and a third are provided. The active stylus 11C, the first active stylus 11A, the second active stylus 11B and the third active stylus 11C are electrically conductive and internally provided with a first power source 21, A second power source 22 and a third power source 23.

The first active stylus 11A is internally provided with a first handwriting signal generating chip 13A. The first handwriting signal generating chip 13A is electrically connected between the first power source 21 and the tip of the first active stylus 11A. The first handwriting signal generating chip 13A in the first active stylus 11A generates the first handwriting touch signal S1 to the pen tip at the first output frequency, and the first active stylus 11A is marked on the outer casing. One color

The second active stylus 11B is internally provided with a second handwriting signal generating chip 13B, and the second handwriting signal generating chip 13B is electrically connected between the second power source 22 and the second active stylus 11B. The second handwriting signal generating chip 13B in the active stylus 11B generates the second handwriting touch signal S2 to the pen tip at the second output frequency, and the second output frequency is different from the first output frequency, and the second active touch The outer casing of the pen 11B is marked and marked with a second color, which is different from the first color.

The pen tip of the third active stylus 11C is directly connected to the third power source 23, that is, the handwriting signal is not connected to generate the wafer. Therefore, the third active stylus 11C constantly generates the third handwriting touch signal S3 to be electrically conductive during the energization period. The outer casing of the third active stylus 11C is marked with a third color, which is different from the first color and the second color.

Since the power supply of the third active stylus 11C is directly electrically connected to the pen tip, the pen tip is always charged continuously, and the voltage is generated by the chip through the handwriting signal, so that there is no handwriting signal to generate the chip. The difference between the uninterrupted output voltage and the intermittent output voltage; and the appropriate output of the different handwriting signals is pre-set so that the output frequencies of the voltages of each other are separated, so that the first output frequency and the second output frequency are respectively Is a unique and specific frequency.

The handwriting erase signal generator 33 in the electronic eraser 30 generates a handwriting erase touch signal S4 at a specific frequency different from the first output frequency and the second output frequency. For convenience of explanation, the handwriting erases the touch signal S4. The specific output frequency is defined as the third output frequency.

The first output frequency, the second output frequency and the third output frequency are different from each other, and the third active stylus is always outputting voltage, which can be regarded as no frequency change, so the capacitive touch device can pass through Discriminating the output frequency of the handwriting touch signal to generate a corresponding handwriting display function, that is, determining and generating a plurality of different functions according to different output frequencies, such as generating handwriting of different colors, such as when the first active stylus The first color indicated on the outside of the 11A is blue, and the data is set in advance through the database. When the capacitive touch device 50 receives the first output frequency, the blue touch is displayed on the capacitive touch device; The database setting or the circuit design, when the second color displayed by the outer casing of the second active stylus 11B is black, the capacitive touch device displays a black handwriting, and similarly, when the third active stylus 11C The third color displayed on the outer casing is red, and the capacitive touch device displays a red handwriting, that is, the outer surface of the active stylus 11A~11C is respectively marked with a pair The color of the displayed handwriting, and when the display background color of the capacitive touch device 50 is white, the external surface of the active stylus 11A~11C is marked with at least two groups of blue, black and red or Two or more.

When the capacitive touch device receives the third output frequency, a handwriting cancellation function is generated.

The main feature of the present invention is that the user does not need to find the required function keys from the toolbar, or even need to open the toolbar, as long as the active stylus of the desired color is picked up intuitively and written in the capacitive touch On the control device, the handwriting of the corresponding color appears, and in addition, the electronic eraser of the present invention is made into a brush-like shape, and the operator can erase the handwriting by intuitively using the brush erase method according to the predetermined impression.

Therefore, compared with the prior art, the present invention can display the handwriting and handwriting color as desired, unless the user needs to insert a pattern or use a copy and paste function, etc., most of the time, the user does not need to click the desired brush color. There is no need to switch the stylus function selection switch or other redundant operations to generate the desired display function, so it is not necessary for the operator to spend a long time educating the user, and the user can immediately become familiar with the operation mode because Just use the whiteboard pen and the eraser according to the traditional method or the established impression. In addition, the function keys of the various brush colors and the function keys of the eraser function are not used on the capacitive touch device, which helps to increase the capacitive touch device. The writeable area makes the display more concise and degenerate.

Referring to FIG. 3, FIG. 3 is a block diagram of a system according to a second embodiment of the present invention. Referring to FIG. 3, another electronic eraser 40 having no handwriting erase signal generator is used instead of the electronic eraser 30 having a handwriting erase signal generator. The structure of the other electronic eraser 40 is the same as that of the electronic eraser 30. The only difference is that the built-in power supply 41 of the other electronic eraser 40 directly forms an electrical connection with the conductive bottom surface thereof, so that the entire bottom surface of the other electronic eraser 40 is electrically charged or When the area of the charged portion is substantially larger than the tip of the active stylus, when the bottom surface of the other electronic wiper 40 touches the touch panel, the capacitive touch device 50 determines the touch panel. The capacitance changes the size of the area to create a handwriting cancellation function.

In addition, when the bottom surface of the other electronic eraser (electronic eraser/another electronic eraser) touches the touch panel, the capacitive touch device receives the handwriting erase touch signal S4 (for no frequency output). The capacitive touch device further calculates the area of the change area of the capacitance of the touch panel, and the capacitive touch device further generates the handwriting elimination function by the area of the change area of the capacitance of the touch panel. The erasable range displayed by the capacitive touch device becomes the same as the area of the block bottom surface, thereby achieving the purpose of erasing the handwriting effect on the whiteboard as a conventional eraser.

Since the area of the bottom surface of the electronic squeegee is significantly larger than the area of the tip of the active stylus, the area of the touch panel where the capacitance changes may be somewhat different or planar, that is, the area of the capacitance change area, the electronic squeegee The invention also provides a handwriting elimination function by sensing the size of the capacitance change area of the touch panel. For example, the capacitance change area is a large area, such as a non-dot shape, a surface type, or a predetermined area. The handwriting elimination function is generated, and the area of the electronic board eraser is the erasing range, so that when the user operates the electronic board to erase the handwriting, it is like using a conventional eraser to erase the handwriting on the whiteboard.

Preferably, the active stylus of the present invention has a contour of a whiteboard pen, or an outline of a common writing instrument such as a microphone pen, a pencil, a chalk, a pen or a ball pen; the capacitive touch device is further based on different outputs. The frequency of the handwriting touch signal produces the stroke effect corresponding to the whiteboard pen, the microphone pen, the pencil, the chalk, the pen or the ball pen, and the stroke line width. Therefore, the first active stylus, such as the appearance of the chalk, displays the handwriting and the handwriting. The color of the chalk shows the unique stroke effect of the chalk with the appropriate line width.

Referring to FIG. 4, FIG. 4 is a block diagram of a system according to a third embodiment of the present invention. Referring to FIG. 4, the active stylus 11C, which is not provided with a handwriting signal generating chip, may also be provided with a third handwriting signal generating chip 13C. The handwriting signal generating chips 13A to 13C still generate the handwriting touch signals S1 to S3 at different output frequencies and transmit them to the pen tip.

Referring to FIG. 5, FIG. 5 is a block diagram of a system according to a fourth embodiment of the present invention. Referring to FIG. 5, the active styluses 11A-11C are not provided with a handwriting signal generating chip, and the tip size of the active stylus is 11A~11C are different and different from the bottom surface of the electronic board wipe 30, 40. The capacitive touch device 50 generates different handwriting display functions according to the size of the capacitance change area, and the manner and setting of the handwriting display are as described above. Therefore, the handwriting display can also display the corresponding thickness according to the size of the pen tip, or by appropriately setting the handwriting to display the same thickness, displaying the appropriate line width, and even displaying the appropriate handwriting color and the unique stroke effect at the same time. , depending on actual needs.

The above is only a preferred embodiment for explaining the present invention, and is not intended to limit the present invention in any way, and any modifications or alterations to the present invention made in the spirit of the same invention. All should still be included in the scope of the intention of the present invention.

100‧‧‧Intuitive touch writing system

11‧‧‧Active stylus

13‧‧‧Handwriting signal generation chip

30‧‧‧Electronic board eraser

33‧‧‧Handwriting erase signal generator

40‧‧‧Another electronic board eraser

50‧‧‧Capacitive touch device

15, 31, 41‧‧‧ built-in power supply

21‧‧‧First power supply

22‧‧‧second power supply

23‧‧‧ Third power supply

11A‧‧‧First active stylus

11B‧‧‧Second active stylus

11C‧‧‧ Third Active Stylus

13A‧‧‧The first handwriting signal generation chip

13B‧‧‧Second handwriting signal generation chip

13C‧‧‧The third handwriting signal generation chip

S1‧‧‧ first handwriting touch signal

S2‧‧‧Second handwriting touch signal

S3‧‧‧ third handwriting touch signal

S4‧‧‧ handwriting erase touch signal

FIG. 1 is a schematic diagram of an active stylus, an electronic eraser, and a capacitive touch device according to the present invention. Figure 2 is a block diagram of a system in accordance with a first embodiment of the present invention. Figure 3 is a block diagram of a system in accordance with a second embodiment of the present invention. Figure 4 is a block diagram of a system in accordance with a third embodiment of the present invention. Figure 5 is a block diagram of a system in accordance with a fourth embodiment of the present invention.

Claims (5)

An intuitive touch writing system includes: a plurality of active styluses, the tip of the active stylus is electrically conductive, and the active stylus is respectively provided with a trace signal generating chip but one of the active touches The handwriting signal is not disposed in the control pen to generate the wafer, and the active stylus pen not provided with the handwriting signal is directly electrically connected to the pen tip by the built-in power source, and each of the handwriting signals is provided to generate the active mode of the chip. The stylus is electrically connected to the handwriting signal between the built-in power source and the nib to generate a wafer. Different handwriting signals are generated by the chip to generate a handwriting touch signal at different output frequencies and transmitted to the pen tip; an electronic eraser is a The block body is substantially in the shape of a plate, and the block system is provided for the user to hold. The block body is provided with a built-in power source and a trace erasing signal generator. The bottom surface of the block body is electrically conductive, and the built-in power source is The handwriting erase signal generator is electrically connected to the bottom surface of the block body, and the handwriting erase signal generator generates a trace erase touch signal at a specific frequency and transmits the touch signal to the block. The bottom surface of the body, the specific frequency is different from the output frequency of the handwriting touch signals; and a capacitive touch device, when the tip of the active stylus touches a touch panel of the capacitive touch device The capacitive touch device generates different handwriting display functions according to different handwriting touch signals, wherein different handwriting display functions are at least different color of the displayed handwriting and different from the display background color of the capacitive touch device. When the bottom surface of the block touches the touch panel, the capacitive touch device generates a trace elimination function by erasing the touch signal according to the handwriting. The intuitive touch writing system of claim 1, wherein the active stylus has an external surface corresponding to the color of the displayed handwriting but different from the display color of the capacitive touch device. The intuitive touch writing system of claim 2, wherein when the display color of the capacitive touch device is white, the external surface of the active stylus is marked by blue, black, and red. At least two of the groups. The inductive touch writing system of claim 1, wherein when the bottom surface of the block touches the touch panel, the capacitive touch device further calculates a capacitance change region of the touch panel. The capacitive touch device uses the area where the capacitance of the touch panel changes to be the handwriting elimination area. The intuitive touch writing system of claim 1, wherein the active stylus has a whiteboard pen, a microphone pen, a pencil, a chalk, a pen or a ball pen, and the capacitive touch device is further based on The handwriting touch signals of different output frequencies produce the stroke effect and the stroke line width corresponding to the whiteboard pen, the microphone pen, the pencil, the chalk, the pen or the ball pen.