TWI460645B - Cursor inputting apparatus and portable electronic apparatus using the same - Google Patents

Description

Indicator input device and portable electronic device using the same

An index input device, in particular, relates to an index input device and a portable electronic device using the same.

With the advancement of technology, people are gradually using the information and information recorded in their daily lives, such as notes, personal calendars and other information, using portable electronic devices, such as personal digital assistants, tablets, mobile phones, etc. Management, recording and storage to improve the inconvenience of using paper and pen for recording.

Manufacturers of electronic devices, such as notebook computers, mobile phones, and portable multimedia players, use touch panels to replace traditional keyboards as a new generation of input interfaces. In more detail, the current touch panels can be roughly classified into a capacitive touch panel and a resistive touch panel. While the conventional stylus for the resistive touch panel has a smaller tip, it is convenient to click on a smaller icon, but the capacitive touch panel cannot be operated.

Therefore, Taiwan Patent No. M415356 provides a stylus for a capacitive touch panel to overcome the problem that the stylus cannot operate the capacitive touch panel. However, the aforementioned stylus cannot recognize the stroke pressure applied by the user. Although it allows the user to perform handwriting input, it does not reach the feel of a brush or a brush. In the drawing application, it is also impossible for the user to change the thickness of the line by changing the stroke pressure.

In view of the above problems, the present invention provides a pointer input device and a portable electronic device using the same, thereby enabling a user to write a line having a difference in thickness.

An index input device disclosed in the present invention is suitable for operating a capacitive touch panel. The indicator input device includes a body, a pressure sensing unit, and a transmitting unit. One end of the body has an elastic portion adapted to contact a charge change effect generated by the capacitive touch panel. The pressure sensing unit is configured to sense the degree of deformation of the elastic portion when the elastic portion is deformed by an external force, thereby generating a pressure sensing signal. The transmitting unit is coupled to the pressure sensing unit for transmitting the pressure sensing signal to the capacitive touch panel.

In an embodiment, the aforementioned pressure sensing unit includes a resistor, a variable resistor, and a processor. The first end of the resistor receives the operating voltage. The first end of the variable resistor is coupled to the second end of the resistor, the second end of the variable resistor is coupled to the ground end, and the variable resistor changes its resistance value according to the degree of deformation of the elastic portion to generate a voltage signal. The processor is coupled to the first end of the variable resistor for receiving the voltage signal to generate the pressure sensing signal.

In one embodiment, the transmitting unit is a Bluetooth transmitter for transmitting the pressure sensing signal to the capacitive touch panel by means of Bluetooth transmission.

In an embodiment, the material of the elastic portion includes conductive rubber or conductive foam.

In an embodiment, the body is made of a conductive material.

A portable electronic device disclosed in the present invention includes an index input device and a touch device. The index input device includes a body, a pressure sensing unit, and a transmitting unit. One end of the body has an elastic portion. The pressure sensing unit is configured to sense the degree of deformation of the elastic portion when the elastic portion is deformed by an external force, thereby generating a pressure sensing signal. The transmitting unit is coupled to the pressure sensing unit for transmitting the pressure sensing signal. The touch device includes a receiving unit, a position sensing unit, a processing unit, and a display unit. The receiving unit is configured to receive and transmit the pressure sensing signal. The position sensing unit is configured to sense a position at which the charge change occurs when the elastic portion contacts the touch device to generate a charge change effect, thereby generating a position sensing signal. The processing unit is coupled to the receiving unit and the position sensing unit for receiving and according to the pressure sensing signal and the position sensing signal to generate an operation signal corresponding to the indicator input device. The display unit is coupled to the processing unit for displaying an operation signal.

In an embodiment, the aforementioned pressure sensing unit includes a resistor, a variable resistor, and a processor. The first end of the resistor receives the operating voltage. The first end of the variable resistor is coupled to the second end of the resistor, the second end of the variable resistor is coupled to the ground end, and the variable resistor changes its resistance value according to the degree of deformation of the elastic portion to generate a voltage signal. The processor is coupled to the first end of the variable resistor for receiving the voltage signal to generate the pressure sensing signal.

In one embodiment, the transmitting unit is a Bluetooth transmitter for transmitting the pressure sensing signal to the touch device by means of Bluetooth transmission.

In an embodiment, the material of the elastic portion includes conductive rubber or conductive foam.

In an embodiment, the body is made of a conductive material.

An index input device and a portable electronic device using the same, an index input device and a portable electronic device using the same, wherein the elastic sensing portion senses the degree of deformation of the elastic portion to learn the elastic portion The degree of force is applied, and a pressure sensing signal representing the pen pressure strength is output, and then transmitted to the touch device through the transmitting unit to generate a corresponding operation. In this way, the user can write lines with different thickness differences to simulate different strokes such as a brush or a brush.

The features and implementations of the present invention are described in detail below with reference to the drawings.

Please refer to FIG. 1 and FIG. 2, which are schematic diagrams and circuit block diagrams of the portable electronic device of the present invention. The portable electronic device 100 of this embodiment may be a notebook computer, a tablet computer, or the like. The portable electronic device 100 includes a pointer input device 110 and a touch device 150. The index input device 110 can be a stylus for operating the touch device 150, and the touch device 150 can be a handwriting with a capacitive touch panel. Peripheral devices such as boards or drawing boards.

The index input device 110 includes a body 120, a pressure sensing unit 130, and a transmitting unit 140. The body 120 can be a hollow pen holder, and the elastic portion 121 can be adhered to one end of the body 120 by means of adhesion, fitting or snapping. However, the embodiment is not limited thereto, and the body 120 and the elastic portion 121 can also be integrally formed. Way to make.

In this embodiment, the body 120 may be made of a conductive material, and the material of the elastic portion 121 may be conductive rubber or conductive foam. When the user holds the index input device 110, the elastic portion 121 can transmit the static charge of the human body, so that when the index input device 110 contacts the touch device 150, a charge change occurs, and the touch device 150 can be based on the charge. The change is based on the positioning. In addition, an electrostatic charge generator may be disposed in the index input device 110 to transmit static charge to the touch device 150 through the elastic portion 121 to generate a charge change effect, so that the user can correspondingly touch the touch device 150 through the index input device 110. Operation.

The pressure sensing unit 130 is configured to sense the degree of deformation of the elastic portion 121 when the elastic portion 121 is deformed by an external force, thereby generating a pressure sensing signal. In other words, when the user abuts the elastic portion 121 against the surface of the touch device 150, the elastic portion 121 is stressed and deformed (as shown in FIG. 3), and the pressure sensing unit 130 senses The degree of deformation of the elastic portion 121 is measured, and a pressure sensing signal of a pressure value of a different force is output according to the degree of deformation of the elastic portion 121. The magnitude of the pressure value may be proportional to or inversely proportional to the degree of deformation of the elastic portion 121, which may be adjusted according to the user's needs.

The transmitting unit 140 can be a Bluetooth transmitter for transmitting the pressure sensing signal to the touch device 150 by means of Bluetooth transmission, so that the touch device 150 can perform subsequent operations. Additionally, the indicator input device 110 can also include a battery to provide the operating voltage required by the indicator input device 110. For example, the battery can be powered to the transmitting unit 140, so that the transmitting unit 140 has sufficient operating voltage to transmit the pressure sensing signal to the touch device 150.

The touch device 150 includes a receiving unit 160, a position sensing unit 170, a processing unit 180, and a display unit 190. The receiving unit 160 can be a Bluetooth receiver for receiving and outputting a pressure sensing signal by means of Bluetooth transmission. The position sensing unit 170 is configured to sense a position at which the charge change action occurs when the elastic portion 121 contacts the touch device 150 to generate a charge change effect, thereby generating a position sensing signal.

The processing unit 180 is coupled to the receiving unit 160 and the position sensing unit 170 for receiving the pressure sensing signal and the position sensing signal to obtain the pressure value corresponding to the pressure sensing signal and calculating that the indicator input device 110 is in contact with the touch. The position on the device 150 is to generate an operation signal corresponding to the index input device 110. The display unit 190 is coupled to the processing unit 180 for displaying an operation signal.

Further, the processing unit 180 can be configured to generate an operation signal corresponding to the pressure sensing signals of different pressure values, so that the display unit 190 displays the corresponding operation. For example, the application 66 can be a drawing software, and the size of the pen pressure is known according to the pressure sensing signal to generate a corresponding operation signal, so that the display unit 190 displays the effect of different line thicknesses such as a brush or a brush. , which makes the drawing more perfect.

That is to say, if the degree of deformation of the elastic portion 121 is larger, the handwriting of the corresponding operation displayed by the display unit 190 becomes thicker. Conversely, if the degree of deformation of the elastic portion 121 is smaller, the handwriting of the corresponding operation displayed by the display unit 190 is finer. In this way, the force of the handwriting written by the user can be fully displayed, and in particular, when the user uses the input device 110 to sign the signature, the degree of discrimination is more.

Please refer to FIG. 4, which is a schematic circuit diagram of the pressure sensing unit 130 of the present invention. The pressure sensing unit 130 includes a resistor R, a variable resistor RA, and a processor 410. The first end of the resistor R receives the operating voltage VCC. This operating voltage VCC is generated, for example, by a battery disposed in the index input device 110. The first end of the variable resistor RA is coupled to the second end of the resistor R, and the second end of the variable resistor RA is coupled to the ground.

The variable resistor RA can change its resistance value according to the degree of deformation of the elastic portion 121 to generate a corresponding voltage signal. The magnitude of the resistance value of the variable resistor RA varies depending on the degree of deformation of the elastic portion 121. For example, the magnitude of the resistance value may be proportional to or inversely proportional to the degree of deformation of the elastic portion 121.

For example, if the degree of deformation of the elastic portion 121 is larger, the resistance value of the variable resistor RA becomes larger (or becomes smaller), and the voltage signal generated by the variable resistor RA becomes larger (or smaller) to The degree of stress of the elastic portion 121 is reflected. Conversely, for example, if the degree of deformation of the elastic portion 121 is larger, the resistance value of the variable resistor RA becomes smaller (or becomes larger), and the voltage signal generated by the variable resistor RA becomes smaller (or becomes larger). To reflect the degree of stress of the elastic portion 121.

The processor 410 is coupled to the first end of the variable resistor RA for receiving the voltage signal (a voltage change on the variable resistor RA) to generate a pressure sensing signal. That is, the processor 410 can generate a pressure sensing signal corresponding to the pressure value corresponding to the magnitude of the voltage signal, so that the display unit 190 of the touch device 150 corresponds to the thickness of the handwriting.

However, in the foregoing embodiment, the variable resistor RA is used to sense the degree of deformation corresponding to the force of the elastic portion 121, and the voltage signal corresponding to the pen pressure is generated by the variable resistor RA and the resistor R in a partial pressure manner, but The invention is not limited thereto, and other elements may be used, for example, the variable capacitance is used as the sensing as the degree of deformation corresponding to the force applied to the sensing elastic portion 121.

The index input device and the portable electronic device using the same according to the present invention, the pressure sensing unit senses the degree of deformation of the elastic portion to know the degree of stress of the elastic portion, and outputs a pressure sense representative of the pen pressure strength. The test signal is transmitted to the touch device through the transmission unit to generate a corresponding operation. In this way, the user can write lines with different thickness differences to simulate different strokes such as a brush or a brush.

While the present invention has been described above in the foregoing embodiments, it is not intended to limit the invention, and the invention may be modified and modified without departing from the spirit and scope of the invention. The scope of patent protection shall be subject to the definition of the scope of the patent application attached to this specification.

100. . . Portable electronic device

110. . . Indicator input device

120. . . Ontology

121. . . Elastic part

130. . . Pressure sensing unit

140. . . Transfer unit

150. . . Touch device

160. . . Receiving unit

170. . . Position sensing unit

180. . . Processing unit

190. . . Display unit

410. . . processor

R. . . resistance

RA. . . Variable resistance

VCC. . . Operating Voltage

Figure 1 is a schematic diagram of a portable electronic device of the present invention.

2 is a circuit block diagram of a portable electronic device of the present invention.

Figure 3 is a schematic diagram showing the deformation of the indicator input device of the present invention when it contacts the touch device.

Figure 4 is a circuit diagram of the pressure sensing unit of the present invention.

100. . . Portable electronic device

110. . . Indicator input device

120. . . Ontology

121. . . Elastic part

130. . . Pressure sensing unit

140. . . Transfer unit

150. . . Touch device

160. . . Receiving unit

170. . . Position sensing unit

180. . . Processing unit

190. . . Display unit

Claims (8)

An index input device is adapted to operate a capacitive touch panel. The index input device includes: a body having an elastic portion at one end thereof, the elastic portion being adapted to contact the capacitive touch panel to make the capacitive type The touch panel generates a charge change function; a pressure sensing unit is configured to sense a degree of deformation of the elastic portion when the elastic portion is deformed by an external force, thereby generating a pressure sensing signal, the pressure feeling The measuring unit includes: a resistor, the first end of which receives a working voltage; a variable resistor, the first end of which is coupled to the second end of the resistor, the second end of which is coupled to the ground end, and the variable resistor is The degree of deformation of the elastic portion changes its resistance value to generate a voltage signal; and a processor coupled to the first end of the variable resistor for receiving the voltage signal to generate the pressure sensing signal And a transmitting unit coupled to the pressure sensing unit for transmitting the pressure sensing signal to the capacitive touch panel. The indicator input device of claim 1, wherein the transmitting unit is a Bluetooth transmitter for transmitting the pressure sensing signal to the capacitive touch panel by means of Bluetooth transmission. The index input device of claim 1, wherein the material of the elastic portion comprises conductive rubber or conductive foam. The index input device according to claim 1, wherein the body is composed of one Made of conductive material. A portable electronic device includes: an index input device, comprising: a body having an elastic portion at one end thereof; and a pressure sensing unit configured to sense the elastic portion when the elastic portion is deformed by an external force a pressure sensing unit for generating a pressure sensing signal, the pressure sensing unit comprising: a resistor having a first end receiving an operating voltage; and a variable resistor having a first end coupled to the second end of the resistor The second end is coupled to the ground end, and the variable resistor changes its resistance value according to the degree of deformation of the elastic portion to generate a voltage signal; and a processor coupled to the first end of the variable resistor And receiving a voltage sensing signal for generating the pressure sensing signal; and a transmitting unit coupled to the pressure sensing unit for transmitting the pressure sensing signal; and a touch device comprising: receiving a unit for receiving and transmitting the pressure sensing signal; a position sensing unit configured to sense a generated position of the charge change when the elastic portion contacts the touch device to generate a charge change effect, According to produce a position sensing signal; a processing unit coupled to the receiving means and the position sensing unit, for receiving and according to the pressure sensing signal and the position sensing signal to generate An operation signal corresponding to the indicator input device; and a display unit coupled to the processing unit for displaying the operation signal. The portable electronic device of claim 5, wherein the transmitting unit is a Bluetooth transmitter for transmitting the pressure sensing signal to the touch device by means of Bluetooth transmission. The portable electronic device of claim 5, wherein the material of the elastic portion comprises conductive rubber or conductive foam. The portable electronic device of claim 5, wherein the body is made of a conductive material.