CN112527140A - Information processing system - Google Patents
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- CN112527140A CN112527140A CN201910882156.XA CN201910882156A CN112527140A CN 112527140 A CN112527140 A CN 112527140A CN 201910882156 A CN201910882156 A CN 201910882156A CN 112527140 A CN112527140 A CN 112527140A
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- 230000010365 information processing Effects 0.000 title claims abstract description 29
- 238000012545 processing Methods 0.000 claims abstract description 109
- 239000011159 matrix material Substances 0.000 claims abstract description 79
- 238000001514 detection method Methods 0.000 claims abstract description 63
- 239000000758 substrate Substances 0.000 claims abstract description 55
- 238000004891 communication Methods 0.000 claims abstract description 39
- 239000000284 extract Substances 0.000 claims abstract description 5
- 230000006698 induction Effects 0.000 claims description 68
- 239000004020 conductor Substances 0.000 claims description 36
- 239000004642 Polyimide Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229920001721 polyimide Polymers 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 4
- 230000001939 inductive effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
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- 230000010354 integration Effects 0.000 abstract description 4
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- 230000000875 corresponding effect Effects 0.000 description 8
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- 238000000034 method Methods 0.000 description 5
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- 238000005516 engineering process Methods 0.000 description 2
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- 238000009530 blood pressure measurement Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
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- 239000011521 glass Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
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- 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
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04105—Pressure sensors for measuring the pressure or force exerted on the touch surface without providing the touch position
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Abstract
The present invention relates to an information processing system comprising: a main substrate; the pressure detection module is electrically connected with the main substrate through a first electric connection part and senses pressure generated when the pen point writes on a medium to generate pressure detection data; the first processing chip is electrically connected with the pressure detection module through the main substrate; the image sensor is electrically connected with the first processing chip through the main substrate; the image sensor receives a first control signal output by the first processing chip, and carries out image acquisition on a dot matrix coding pattern on a medium where the pen point is located to generate dot matrix coding image data; the first processing chip extracts dot matrix coding information according to the dot matrix coding image data; the second processing chip decodes according to the dot matrix coding information to generate dot matrix coordinate information; and the communication interface is electrically connected with the main substrate through a third electric connection part. The information processing system realizes the recognition processing of handwriting, and realizes integration with simple structure and low cost.
Description
Technical Field
The invention relates to the technical field of data processing, in particular to an information processing system.
Background
Modern electronic technology is on the rise, information entry needs to be carried out by electronic equipment, and the problem of man-machine information identification is involved, for example, under various environments needing handwriting identification and entry, paper media cannot be used, and a technology which can be similar to paper media for writing, but can collect and identify writing tracks so as to enter electronic equipment is needed.
The information processing system related to the existing writing equipment has a complex structure, poor effect and high cost.
Disclosure of Invention
The invention aims to provide an information processing system aiming at the defects of the prior art, which can realize the recognition processing of handwriting and realize integration with simple structure and low cost.
To achieve the above object, the present invention provides an information processing system comprising:
the main substrate is also provided with a first electric connection part, a second electric connection part and a third electric connection part;
the pressure detection module is electrically connected with the main substrate through the first electric connection part and senses pressure generated when the pen point writes on a medium to generate pressure detection data; the pressure detection data has time point data when pressure is sensed;
the pressure detection module includes:
the device comprises a first substrate, a second substrate and a third substrate, wherein one side surface of the first substrate is provided with a first induction coil and a second induction coil which are electrically separated from each other, and the first induction coil is provided with a first signal output end; the second induction coil is provided with a second signal output end; the first induction coil and the second induction coil are provided with enhancement layers around; the thickness of the first induction coil and the second induction coil is smaller than that of the enhancement layer;
a conductor layer abutting the reinforcement layer; when the external force resisting against the conductor layer is smaller than a threshold value, the first induction coil and the second induction coil are not in contact with the conductor layer, and the first induction coil and the second induction coil are not in electric connection with the conductor layer; when the external force resisting against the conductor layer is larger than a threshold value, the conductor layer deforms, the first induction coil and the second induction coil are in contact with the conductor layer, the first induction coil and the second induction coil are electrically connected through the conductor layer, and meanwhile, the potential difference between the first signal output end and the second signal output end is changed;
the processor is electrically connected with the first signal output end and the second signal output end and obtains corresponding pressure detection data according to the potential difference;
the clock counter is electrically connected with the processor and used for recording the time point data during the pressure sensing and sending the time point data to the processor;
a first processing chip mounted on the main substrate and electrically connected to the pressure detection module through the main substrate; the first processing chip receives pressure detection data generated by the pressure detection module and outputs a first control signal according to the pressure detection data;
the image sensor is electrically connected with the main substrate through the second electric connection part and is electrically connected with the first processing chip through the main substrate;
the image sensor receives a first control signal output by the first processing chip, carries out image acquisition on the dot matrix coding pattern on the medium where the pen point is located, generates dot matrix coding image data and sends the dot matrix coding image data to the first processing chip; the dot matrix coding image data comprises time point data during image acquisition; the first processing chip extracts dot matrix coding information according to the dot matrix coding image data;
a second processing chip mounted on the main substrate and electrically connected to the first processing chip; the second processing chip decodes according to the dot matrix coding information sent by the first processing chip to generate dot matrix coordinate information and sends the dot matrix coordinate information to the first processing chip; the dot matrix coordinate information has corresponding time point data; the first processing chip generates handwriting information according to each piece of pressure detection data, the time point data and the dot matrix coordinate information;
a communication interface electrically connected to the main substrate through the third electrical connection portion and electrically connected to the first processing chip through the main substrate; the communication interface receives the handwriting information generated by the first processing chip and sends the handwriting information to external equipment, and the external equipment restores and displays the written handwriting according to the handwriting information.
Further, the first induction coil and the second induction coil are distributed in a winding mode at intervals.
Furthermore, the material of the enhancement layer is polyimide.
Further, the conductor layer is specifically a conductive rubber layer.
Furthermore, the information processing system further comprises a power interface which is arranged on the main substrate, electrically connected with the pressure detection module, the first processing chip, the image sensor, the second processing chip and the communication interface and used for supplying power.
Further, the first processing chip generates data frames and frame statistical information according to the received dot matrix coding image data, and the communication interface sends the data frames and the frame statistical information to the external device so as to perform original verification on the handwriting.
Further, the first processing chip is further configured to generate stroke position and stroke number information according to the time point data and the dot matrix coordinate information, and send the stroke position and stroke number information to the external device through the communication interface.
Further, the image sensor is provided with a serial communication interface, and the first processing chip is provided with a parallel communication interface; the information processing system further includes: the serial-parallel converter is arranged on the main substrate, the input end of the serial-parallel converter is connected with the serial communication interface of the image sensor, and the output end of the serial-parallel converter is connected with the parallel communication interface of the first processing chip; and the serial-parallel converter carries out serial-parallel conversion on the dot matrix coding image data serially output by the image sensor and then sends the dot matrix coding image data to the first processing chip.
Further, the information processing system further includes: and the data memory is arranged on the main substrate, is electrically connected with the first processing chip and receives and stores the handwriting information generated by the first processing chip.
The information processing system realizes the recognition processing of handwriting, and realizes integration with simple structure and low cost.
Drawings
FIG. 1 is a schematic diagram of an information handling system of the present invention;
FIG. 2 is a schematic diagram of a pressure detection module of the information handling system of the present invention;
FIG. 3 is a second schematic diagram of a pressure detection module of the information processing system according to the present invention;
FIG. 4 is a third schematic diagram of a pressure detection module of the information processing system according to the present invention;
FIG. 5 is a schematic diagram of a first inductive coil and a second inductive coil of the information handling system of the present invention.
Detailed Description
The information processing system can acquire and identify the image of the dot matrix coding pattern on the writing medium according to the pressure detection data. The writing medium may be a whiteboard, paper, or glass, etc. The dot matrix coding pattern may be fine dots, constituting a dot matrix.
The dots constituting the lattice may be located at four positions deviated from the original point, for example, 36 dots may be arranged in 36 × 4 patterns. In addition, the dots therein may be encoded to thereby generate an encoded lattice, such that each lattice encoding pattern may correspond to physical coordinates.
Fig. 1 is a schematic diagram of an information processing system according to the present invention, as shown in the figure, the information processing system according to the present invention includes: a main substrate 701, a pressure detection module 702, a first processing chip 703, an image sensor 704, a second processing chip 705 and a communication interface 706.
The main substrate 701 is further provided with a first electrical connection portion 8181, a second electrical connection portion 8282, a third electrical connection portion 83 and a third electrical connection portion 8383, and the second electrical connection portion 82.
The pressure detection module 702 is electrically connected with the main substrate 701 through a first electric connection part 81, and the pressure detection module 702 senses pressure generated when a pen point writes on a medium to generate pressure detection data; the pressure detection data has a point-in-time data at the time of pressure sensing.
Fig. 2-4 are schematic diagrams of a pressure detection module of the information processing system of the present invention, wherein the pressure detection module 501 comprises: a first substrate 61, a first induction coil 62, a second induction coil 63, a conductor layer 64 and an enhancement layer 65, a processor 68 and a clock counter 69.
One side surface of the first substrate 61 has a first induction coil 62 and a second induction coil 63 electrically separated from each other, the first induction coil 62 having a first signal output terminal 66; the second induction coil 63 has a second signal output 67; the first induction coil 62 and the second induction coil 63 have a reinforcement layer 65 around them; the thickness of the first and second induction coils 62 and 63 is less than the thickness of the reinforcing layer 65.
The first induction coil 62 and the second induction coil 63 are electrically isolated and disposed on one side of the first substrate 61, and the first induction coil 62 and the second induction coil 63 may be arranged in a rectangular interval winding manner as shown in fig. 4, in a screw type winding manner as shown in fig. 5, or in other types of winding manners.
The pressure detection module 501 may be connected to the processor 502 via the first signal output terminal 66 and the second signal output terminal 67, and the processor 502 may obtain the potential difference between the first signal output terminal 66 and the second signal output terminal 67.
The reinforcing layer 65 is disposed at the periphery of the first and second induction coils 62 and 63, and the thickness of the reinforcing layer 65 is higher than the thickness of the first and second induction coils 62 and 63. Specifically, the material of the reinforcing layer 65 may be Polyimide (PI), or other materials.
The conductor layer 64 abuts the reinforcement layer 65; when the external force against the conductor layer 64 is smaller than the threshold value, the first induction coil 62 and the second induction coil 63 are not in contact with the conductor layer, and the first induction coil 62 and the second induction coil 63 are not in electric connection with the conductor layer 64; when the external force against the conductor layer 64 is greater than the threshold value, the conductor layer 64 deforms, the first induction coil 62 and the second induction coil 63 contact the conductor layer, the first induction coil 62 and the second induction coil 63 are electrically connected through the conductor layer 64, and the potential difference between the first signal output end 66 and the second signal output end 67 is changed at the same time.
Specifically, the method comprises the following steps. The conductor layer 64 is located on the side of the first substrate 61, and is connected to the reinforcing layer 65, and for example, the conductor layer 64 may be adhered to the outer surface of the reinforcing layer 65. The conductive layer 64 may be made of conductive rubber, so the conductive layer may be specifically a conductive rubber layer.
Because the thickness of the reinforcing layer 65 is higher than the thickness of the first induction coil 62 and the second induction coil 63, the conductor layer 64 on the reinforcing layer 65 is not in contact with the first induction coil 62 and the second induction coil 63 when the external force is insufficient (less than the external force threshold value) or no external force is applied.
When the external force is applied sufficiently (more than the external force threshold), the deformation of the conductor layer 64 is sufficiently large, and the conductor layer 64 is in contact with the first induction coil 62 and the second induction coil 63, so that the first induction coil 62 and the second induction coil 63 are conducted because the conductor layer 64 is a conductor. The degree of deformation of the conductor layer 64 affects the resistance of the conductor layer 64, with greater deformation giving less resistance. The resistance of the conductive layer 64 is negatively correlated with the deformation degree (i.e., the external force or pressure), so that when the external force changes, the resistance of the conductive layer 64 also changes, thereby changing the potential difference between the first signal output terminal 66 of the first induction coil and the second signal output terminal 67 of the second induction coil, and obtaining the external force or pressure through the potential difference. The processor 502 calculates according to the potential difference output by the first signal output terminal 66 and the second signal output terminal 67 to obtain pressure detection data corresponding to the potential difference, so as to achieve detection of the pressure or the external force. In order to improve the detection sensitivity, the spacing winding distribution density of the first and second induction coils 62 and 63 may be increased, or the thickness of the reinforcing layer 65 may be increased.
The pressure detection module 702 can thus sense the pressure generated by the tip of the smart pen while writing and generate pressure detection data. For example, the pressure detecting module 702 may abut against the end of the writing core for writing, so as to sense the pressure transmitted by the writing tip during writing.
The processor 68 is electrically connected to the first signal output terminal 66 and the second signal output terminal 67, and obtains corresponding pressure detection data according to the potential difference. . The clock counter 69 is electrically connected to the processor 68, and is used for recording the time point data of the pressure sensing and sending the data to the processor 68. The time point in the pressure measurement data when pressure is sensed is generated by the clock counter 69, and the time point data reflects the time of writing. The point-in-time data may be absolute time, such as 20:08:56 on 9/11/2010, or relative time, i.e. the length of time between the start and stop of writing, such as 1:04:10(1 hour, 4 minutes, 10 seconds).
A first processing chip 703 mounted on the main substrate 701 and electrically connected to the pressure detection module 702 through the main substrate 701; the first processing chip 703 receives the pressure detection data generated by the pressure detection module 702, and outputs a first control signal according to the pressure detection data;
specifically, the first processing chip 703 is on the main substrate 701, but the position is not particularly limited, and may be any position on the front surface or the back surface of the main substrate 701.
The first processing chip 703 determines whether the pressure exceeds a set threshold according to the pressure detection data, and if so, indicates that the pen tip is writing on the medium, thereby generating a first control signal to control the image sensor.
An image sensor 704 electrically connected to the main substrate 701 through the second electrical connection portion 82, and electrically connected to the first processing chip 703 through the main substrate 701; the image sensor 704 receives a first control signal output by the first processing chip 703, performs image acquisition on a dot matrix coding pattern on a medium where a pen point is located, generates dot matrix coding image data, and sends the dot matrix coding image data to the first processing chip 703; the dot matrix coding image data comprises time point data during image acquisition; the first processing chip 703 extracts the dot-matrix encoded information from the dot-matrix encoded image data.
After receiving the first control signal generated by the first processing chip 703, the image sensor 704 performs image capture on the dot-matrix coded pattern sliding on the medium at the pen tip position, for example, image capture may be performed at a speed of 50 Hz or 100Hz, so as to obtain dot-matrix coded image data including a time point when the image is captured, where the time point is a writing time of the pen tip through the dot matrix. Therefore, one time point data (writing time) can correspond to both the pressure detection data and the dot matrix encoded image data.
The image sensor 704 may be a Charge-coupled Device (CCD) or a Complementary Metal Oxide Semiconductor (CMOS). The first processing chip 703 extracts dot-matrix encoding information of a dot matrix from dot-matrix encoded image data transmitted from the image sensor 704.
As further shown in fig. 1, the present invention further comprises a serial-to-parallel converter 709. The image sensor 704 has a serial communication interface, and the first processing chip 703 has a parallel communication interface. The serial-to-parallel converter 709 has an input connected to the serial communication interface of the image sensor 704 and an output connected to the parallel communication interface of the first processing chip 703.
Further, the image sensor 704 serially outputs the dot matrix encoded image data to the serial-to-parallel converter 709 through the serial communication interface, the serial-to-parallel converter 709 converts the serial dot matrix encoded image data into parallel dot matrix encoded image data and outputs the parallel dot matrix encoded image data to the first processing chip 703 through the output terminal, and the first processing chip 703 receives the parallel dot matrix encoded image data through the parallel communication interface.
A second processing chip 705 mounted on the main substrate 701 and electrically connected to the first processing chip 703; the second processing chip 705 decodes according to the dot matrix coding information sent by the first processing chip 703, generates dot matrix coordinate information, and sends the dot matrix coordinate information to the first processing chip 703; the dot matrix coordinate information has corresponding time point data; the first processing chip 703 generates handwriting information according to each piece of pressure detection data, the time point data, and the dot matrix coordinate information.
Specifically, the first processing chip 703 may send the dot matrix coding information to the second processing chip 705 through the SPI. The first processing chip 703 generates handwriting information written by the pen according to the pressure detection data, the dot matrix coordinate information, and the time point data of each time point.
A communication interface 706 electrically connected to the main substrate 701 through the third electrical connection portion 83, and electrically connected to the first processing chip 703 through the main substrate 701; the communication interface 706 receives the handwriting information generated by the first processing chip 703 and sends the handwriting information to the external device, so that the external device restores and displays the handwriting according to the handwriting information. The communication interface 706 can transmit handwriting information to an external device (a computer or a mobile phone) through the communication interface 706 by the first processing chip 703 transmitting data to the external device through wireless communication or wired communication.
The external equipment analyzes the handwriting information and generates the dot matrix coordinate information into a motion trail image of the pen point according to time sequence (forming electronic data). And the thickness of the handwriting and the lifting pen can be obtained by analyzing the pressure detection data obtained by the handwriting information. The trace, thickness and lifting stroke of the handwriting can be performed on line during the reduction.
As further shown in fig. 1, the present invention further includes a power interface 708 and a data memory 707, both disposed on the main substrate 701. The power interface 708 is electrically connected to and supplies power to the pressure detection module 702, the first processing chip 703, the image sensor 704, the second processing chip 705, and the communication interface 706. When the power interface 708 is powered on, power may be provided to the connected device.
The data memory 707 may be connected to the first processing chip 703 through the SPI. The first processing chip 703 may send the handwriting information to the external device in real time through the communication interface 706, or may store the handwriting information in the data memory 707 first, and send the handwriting information in the data memory 707 to the external device through the communication interface 706 in a timing-triggered or manual-triggered manner.
Specifically, the operation of the information processing system of the present invention is as follows.
Step 101, the information processing system is powered on, and first power is supplied to the first processing chip, the second processing chip and the data storage through the power interface. The first processing chip controls the power interface to supply power to the image sensor, the serial-parallel converter and the communication interface by utilizing the I2C control interface.
And 102, the first processing chip is provided with a first control interface and a second control interface, the image sensor is initialized through the first control interface, and the serial-parallel converter is initialized through the second control interface.
And 103, receiving pressure detection data of time point data corresponding to the time point of the pressure sensing module, which is sent by the pressure sensing sensor, in real time or at regular time by the first processing chip.
And 104, when the pressure of the pressure detection data exceeds a threshold value, the writing action is sent, a first control signal is generated to start the image sensor to work, and the image sensor carries out image acquisition on the dot matrix coding pattern on the medium at the position corresponding to the pen point to generate dot matrix coding image data. The first processing chip receives continuous pressure detection data and dot matrix coding image data, and one time point data corresponds to the dot matrix coding image data and the pressure detection data at the same time.
And 105, extracting the dot matrix coding information from the dot matrix coding image data by the first processing chip, and analyzing the corresponding time point data.
And 106, the first processing chip sends the dot matrix coding information to the second processing chip through the serial port for decoding to generate dot matrix coordinate information, and then the dot matrix coordinate information is transmitted back.
And step 107, the first processing chip generates handwriting information according to the time point data, the pressure detection data and the dot matrix coordinate information of all the time points.
And step 108, the first processing chip can send the handwriting information to the external device in real time through the communication interface, or can store the handwriting information into the data memory first, and send the handwriting information in the data memory to the external device through the communication interface in a timing triggering or manual triggering mode.
And step 109, the external equipment analyzes the handwriting information and generates the motion trail image of the pen point from the dot matrix coordinate information according to time sequence. And the thickness of the handwriting and the lifting pen can be obtained by analyzing the pressure detection data obtained by the handwriting information. The trace, thickness and lifting stroke of the handwriting can be performed on line during the reduction.
Further, in order to check whether all data are lost in transmission or are analyzed by external equipment, if the data are lost, handwriting cannot be accurately restored. The first processing chip may be used to perform statistics on the collected writing strokes and/or perform statistical processing on the writing traces in data frames, so as to determine whether all data are restored in data restoration according to the statistical data.
For example, the first processing chip generates stroke count information for counting the number of strokes written based on the pressure detection data, thereby counting the recognition rate of the handwriting. For example, the stroke count information is 89 strokes, and the handwriting is restored and recognized to 89 strokes, and the restoration rate is 100%.
The method for generating stroke count information comprises the following steps:
in step 201, the first processing chip receives that the pressure detection data generated by the pressure detection module exceeds a set threshold, which indicates that the pen tip is in contact with the medium, and a stroke starts.
Step 202, the first processing chip detects that the pressure is lower than a set threshold value again, which indicates that the pen point leaves the medium and the pen stroke is finished;
in step 203, the first processing chip counts the first stroke count information as 1.
Step 204, similarly, it is detected again that the pressure detection data exceeds the set threshold and the pressure is lower than the set threshold, and the stroke count is + 1.
And step 205, obtaining final stroke count information after writing is finished.
In addition, there is a method, the process is as follows:
step 301, the first processing chip receives the dot-matrix encoded image data transmitted continuously or at set time intervals from the image sensor in real time.
Step 302, a first processing chip processes the dot matrix coding image data into a plurality of data frames;
step 303, the first processing chip obtains the statistical information of the data frame after the dot matrix coded image data is received, i.e. the writing is finished.
Step 304, the first processing chip frame information is sent to the external device through the communication interface; similarly, the statistical information of the data frame can obtain the recovery recognition rate of the handwriting, for example, the statistical information of the data frame is 50, that is, 50 images, and the recognition rate of the external device handwriting is 49 images, that is, the recognition rate of the image is 98%.
The information processing system realizes the recognition processing of handwriting, and realizes integration with simple structure and low cost.
Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (9)
1. An information processing system characterized by comprising:
the main substrate is also provided with a first electric connection part, a second electric connection part and a third electric connection part;
the pressure detection module is electrically connected with the main substrate through the first electric connection part and senses pressure generated when the pen point writes on a medium to generate pressure detection data; the pressure detection data has time point data when pressure is sensed;
the pressure detection module includes:
the device comprises a first substrate, a second substrate and a third substrate, wherein one side surface of the first substrate is provided with a first induction coil and a second induction coil which are electrically separated from each other, and the first induction coil is provided with a first signal output end; the second induction coil is provided with a second signal output end; the first induction coil and the second induction coil are provided with enhancement layers around; the thickness of the first induction coil and the second induction coil is smaller than that of the enhancement layer;
a conductor layer abutting the reinforcement layer; when the external force resisting against the conductor layer is smaller than a threshold value, the first induction coil and the second induction coil are not in contact with the conductor layer, and the first induction coil and the second induction coil are not in electric connection with the conductor layer; when the external force resisting against the conductor layer is larger than a threshold value, the conductor layer deforms, the first induction coil and the second induction coil are in contact with the conductor layer, the first induction coil and the second induction coil are electrically connected through the conductor layer, and meanwhile, the potential difference between the first signal output end and the second signal output end is changed;
the processor is electrically connected with the first signal output end and the second signal output end and obtains corresponding pressure detection data according to the potential difference;
the clock counter is electrically connected with the processor and used for recording the time point data during the pressure sensing and sending the time point data to the processor;
a first processing chip mounted on the main substrate and electrically connected to the pressure detection module through the main substrate; the first processing chip receives pressure detection data generated by the pressure detection module and outputs a first control signal according to the pressure detection data;
an image sensor electrically connected to the main substrate through the second electrical connection portion and electrically connected to the first processing chip through the main substrate;
the image sensor receives a first control signal output by the first processing chip, carries out image acquisition on the dot matrix coding pattern on the medium where the pen point is located, generates dot matrix coding image data and sends the dot matrix coding image data to the first processing chip; the dot matrix coding image data comprises time point data during image acquisition; the first processing chip extracts dot matrix coding information according to the dot matrix coding image data;
a second processing chip mounted on the main substrate and electrically connected to the first processing chip; the second processing chip decodes according to the dot matrix coding information sent by the first processing chip to generate dot matrix coordinate information and sends the dot matrix coordinate information to the first processing chip; the dot matrix coordinate information has corresponding time point data; the first processing chip generates handwriting information according to each piece of pressure detection data, the time point data and the dot matrix coordinate information;
a communication interface electrically connected to the main substrate through the third electrical connection portion and electrically connected to the first processing chip through the main substrate; the communication interface receives the handwriting information generated by the first processing chip and sends the handwriting information to external equipment, and the external equipment restores and displays the written handwriting according to the handwriting information.
2. The information handling system of claim 1, wherein the first and second inductive coils are spaced apart around the substrate.
3. The information handling system of claim 1, wherein the material of the enhancement layer is polyimide.
4. The information processing system according to claim 1, wherein the conductor layer is specifically a conductive rubber layer.
5. The information processing system according to claim 1, further comprising a power interface provided on the main substrate, electrically connected to the pressure detection module, the first processing chip, the image sensor, the second processing chip, and the communication interface, and supplying power.
6. The information processing system of claim 1, wherein the first processing chip generates data frames and frame statistics according to the received dot-matrix encoded image data, and the communication interface sends the data frames and frame statistics to the external device for performing a raw verification on the handwriting.
7. The information processing system of claim 1, wherein the first processing chip is further configured to generate stroke position and stroke number information according to the point-in-time data and the dot matrix coordinate information, and send the stroke position and stroke number information to the external device through the communication interface.
8. The information processing system of claim 1, wherein the image sensor has a serial communication interface, the first processing chip has a parallel communication interface; the information processing system further includes:
the serial-parallel converter is arranged on the main substrate, the input end of the serial-parallel converter is connected with the serial communication interface of the image sensor, and the output end of the serial-parallel converter is connected with the parallel communication interface of the first processing chip; and the serial-parallel converter carries out serial-parallel conversion on the dot matrix coding image data serially output by the image sensor and then sends the dot matrix coding image data to the first processing chip.
9. The information processing system according to claim 1, further comprising: and the data memory is arranged on the main substrate, is electrically connected with the first processing chip and receives and stores the handwriting information generated by the first processing chip.
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| CN201910882156.XA CN112527140A (en) | 2019-09-18 | 2019-09-18 | Information processing system |
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Citations (4)
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| JP2014081681A (en) * | 2012-10-12 | 2014-05-08 | Fuji Xerox Co Ltd | Information processor, program and information processing system |
| CN108595030A (en) * | 2018-04-28 | 2018-09-28 | 北京奇禄管理咨询有限公司 | A kind of intelligent recognition pen |
| CN108629307A (en) * | 2018-04-28 | 2018-10-09 | 北京奇禄管理咨询有限公司 | A kind of data processing equipment of smart pen |
| CN210428392U (en) * | 2019-09-18 | 2020-04-28 | 北京万维智能技术有限公司 | Information processing system |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014081681A (en) * | 2012-10-12 | 2014-05-08 | Fuji Xerox Co Ltd | Information processor, program and information processing system |
| CN108595030A (en) * | 2018-04-28 | 2018-09-28 | 北京奇禄管理咨询有限公司 | A kind of intelligent recognition pen |
| CN108629307A (en) * | 2018-04-28 | 2018-10-09 | 北京奇禄管理咨询有限公司 | A kind of data processing equipment of smart pen |
| CN210428392U (en) * | 2019-09-18 | 2020-04-28 | 北京万维智能技术有限公司 | Information processing system |
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