CN205942625U - Information generation system is pressed to pen of electromagnetic type touch -control pen - Google Patents
Information generation system is pressed to pen of electromagnetic type touch -control pen Download PDFInfo
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- CN205942625U CN205942625U CN201620513701.XU CN201620513701U CN205942625U CN 205942625 U CN205942625 U CN 205942625U CN 201620513701 U CN201620513701 U CN 201620513701U CN 205942625 U CN205942625 U CN 205942625U
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- Prior art keywords
- pen
- induction coil
- electromagnetic
- coil device
- electromagnetic touch
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Abstract
The utility model discloses an information generation system is pressed to pen of electromagnetic type touch -control pen, including electromagnetic type touch -control pen and the corresponding electromagnetic induction coil device of electromagnetic type touch -control pen, pressure sensor SENSOR is used to inside setting of electromagnetic type touch -control pen, a touch -control main control chip MCU who is connected with pressure sensor SENSOR, the electromagnetic induction coil device contacts with the nib of electromagnetic type touch -control pen to make pressure sensor SENSOR produce nib pressure analog signal, the setting of electromagnetic induction coil device is arranged in receiving the radio signal's that electromagnetic type touch -control pen sent induction coil and is connected and separates from the radio signal of its receipt and appear the nib pressure value that corresponds and the induction coil main control chip MCU of the true position of electromagnetic type touch -control pen on the electromagnetic induction coil device with induction coil. The utility model discloses send the receipt with the data signal mode, not disturbed by outside electromagnetic environment, use stably.
Description
Technical field
This utility model is related to electronicss, and the pen pressure information of more particularly, to a kind of electromagnetic touch pen generates
With application system.
Background technology
The pen pressure information of existing electromagnetic touch pen generates, by pressure change inductance or capacitance size, so that
The frequency of wireless transmission signal produces change, and electromagnetic induction device through this wireless transmission signal frequency size of detection and then changes into
Pen pressure size, belongs to and perceives pen pressure information using analog signaling.
1st, pen pressure information passes through analogue signal and transmits, during electromagnetic induction device presses frequency signal in the pen detecting,
This signal be easy to is disturbed by external electromagnetic environment, lead to frequency acquiring size mistake or appearance great error or
Frequency jitter severity causes pen pressure measurement very unstable low with efficiency.
2nd, the frequency that analog circuit produces, extremely easy saltus step, therefore pen pressure are difficult to accomplish stable linear change, script
Inspection is had a greatly reduced quality.
3rd, in the production process of time writer, the concordance control of capacitance or inductance value is extremely difficult, causes product one
Cause property bad it is necessary to spend substantial amounts of man-hour test for each Zhi Chengpin and adjust.
4th, during time writer uses, with device aging, a different degree of aging cannot be consistent, also results in pen pressure inspection
Measure now very big deviation, or even cannot be continuing with.
Therefore, prior art existing defects, need to improve.
Utility model content
Technical problem to be solved in the utility model is：There is provided a kind of transmission with digital signaling to receive, be not subject to outer
Portion's electromagnetic environment interference, the pen pressure information using stable electromagnetic touch pen generates system.
The technical solution of the utility model is as follows：A kind of pen pressure information of electromagnetic touch pen generates system,
Including electromagnetic touch pen and electromagnetic touch pen corresponding electromagnetic induction coil device；Wherein, electromagnetic touch-control
The internal pressure transducer SENSOR being provided for perceiving collection pen point pressure and pen point pressure being converted into analogue signal of pen；
It is connected with pressure transducer SENSOR and is used for carry out after digital signal modulated to the analogue signal collecting, by wireless signal
Mode is sent to the pointer main control chip MCU of electromagnetic induction coil device；Wherein, electromagnetic induction coil device and electromagnetic type are touched
The Stylus contact of control pen, and make pressure transducer SENSOR produce pen point pressure analogue signal；And, electromagnetic induction coil fills
Put the induction coil of wireless signal being provided for receiving electromagnetic touch pen transmission and be connected with induction coil and connect from it
Corresponding pen point pressure value is parsed true on electromagnetic induction coil device with electromagnetic touch pen in the wireless signal received
The induction coil main control chip MCU of position.
Be applied to technique scheme, in described pen pressure information generation system, also set up inside electromagnetic touch pen with
Pointer main control chip MCU connect radio-transmitting apparatus, pointer main control chip MCU to the analogue signal collecting with
After the form of fixed frequency or frequency conversion carries out digital signal modulated, generate the wave mode signal with pen point pressure, and by wireless
Wave transmission device wireless transmit is to electromagnetic induction coil device.
Be applied to technique scheme, in described pen pressure information generation system, be additionally provided with electromagnetic touch pen with
Pointer main control chip MCU connects, for realizing power supply, the charging of Circuits System, low-voltage or the instruction power management mould that charges
Block.
Using such scheme, this utility model by electromagnetic touch pen detection pen pressure size, with fixed frequency or frequency conversion
Pen pressure information after ovennodulation, then is passed through wireless transmit to electromagnetic induction coil device in the way of digital signal by form, electricity
Magnetic induction line coil apparatus are received by the induction coil of setting, enter in the induction coil main control chip MCU being arranged by it
Row demodulation, thus captures corresponding pen pressure information, thus realizing digital transmission pen pressure information;This utility model is fine
Eliminate the problem of unstable and former person's handwriting distortion that external electromagnetic environment interference causes, this utility model detection pen is pressed as solving
Radio wave is adjusted to be formed as digital signaling, transmitting pen pressure information is also to become numeral letter through the modulation of pointer main control MCU
Sent by the radio-transmitting apparatus that electromagnetic touch pen carries after number, and carry the algorithm of check information correctness, very
Avoid environmental disturbances it is ensured that pen pressure information is accurately sent and received well.Electromagnetic induction coil device receives
Pen pressure information belong to Digital Signal Processing, unlike analogue signal easily produces saltus step, thus whole pen pressure information generates system
Device can draw very correct and have conforming pen pressure information, greatly improve the sense of reality write and experience.By number
The mode of word signal detects and receives and dispatches pen pressure information, and during production, the impact of components and parts concordance is minimum, greatly carries and has done product batch
The concordance producing and production efficiency.Detect and receive and dispatch pen pressure information by way of digital signal, component aging pair in pen
Signal detection impact is minimum, greatly improves the reliability and stability of product.
Brief description
Fig. 1 is structure chart of the present utility model;
Fig. 2 is the structure chart of electromagnetic touch pen in this utility model；
Fig. 3 is the structure chart of electromagnetic induction device in this utility model.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, this utility model is described in detail.
The pen pressure information present embodiments providing a kind of electromagnetic touch pen generates system, as shown in figure 1, pen pressure information life
One-tenth system includes electromagnetic touch pen A, and electromagnetic induction coil device B corresponding with electromagnetic touch pen.
Wherein, as shown in Fig. 2 arranging pointer main control chip MCU inside electromagnetic touch pen, pass with pressure in pen respectively
Sensor SENSOR and power management connect.Pressure transducer SENSOR is used for perceiving pen point pressure, and by pen point pressure from simulation
Signal is converted into digital signal；Pointer main control chip MCU is used for the digital signal that pressure transducer SENSOR sends
Pen point pressure value carries out digital signal modulated, is modulated into specific digital signal, is sent to electricity finally by wireless signal
Magnetic-inductive device；Wherein, the wireless signal that electromagnetic touch pen sends carries the pressure information of pointer；Pointer master control core
Piece MCU detection pen pressure size, in the form of fixed frequency or frequency conversion by pen pressure information after ovennodulation, then the side with digital signal
Formula passes through wireless transmit to electromagnetic touch induction installation, then is demodulated making by electromagnetic induction device, thus captures corresponding
Pen pressure information, thus realize digital transmission pen pressure information.
Wherein, the radio-transmitting apparatus being connected with pointer main control chip MCU are also set up inside electromagnetic touch pen,
Pointer main control chip MCU in the form of fixed frequency or frequency conversion by pen pressure information through electromagnetic touch pen main control chip MCU
After modulation, generate the wave mode signal with pen pressure information, the radio-transmitting apparatus carrying through electromagnetic touch pen are wireless
It is transmitted to electromagnetic induction coil device, then is demodulated making by electromagnetic induction coil device, thus capture corresponding pen pressure letter
Breath, thus realize digital form transmission pen pressure information.Power management realizes the power supply of Circuits System, charges, low electric or charging shape
State indicates.
And, as shown in figure 3, electromagnetic induction coil device, that is, electromagnetic induction device is provided with induction coil and the line of induction
Circle main control chip MCU.Electromagnetic induction coil device and the Stylus contact of electromagnetic touch pen, and make pressure transducer SENSOR
Produce pen point pressure analogue signal.
Induction coil be used for receive pointer main control chip MCU transmission wireless signal, and transmit radio signals to
Its induction coil main control chip MCU connecting；At the wireless signal that induction coil main control chip MCU receives to induction coil
Reason, and parse corresponding pen point pressure value from wireless signal, thus corresponding pen point pressure value is sent to connected
Equipment, thus realizing the writing effect with pen pressure.
So it is seen that pointer main control MCU is mainly responsible for detecting that pen is pressed and formed digital signal in the way of wireless signal
It is sent to electromagnetic induction coil device, and electromagnetic induction coil device is mainly responsible for receiving the wireless communication that electromagnetic touch pen sends
Number and therefrom parse corresponding pen pressure information.
Therefore, the wireless signal that electromagnetic touch pen sends carries the pressure information of pointer；Pointer detects pen pressure
Size, in the form of fixed frequency or frequency conversion by pen pressure information after ovennodulation, then is sent out through wireless in the way of digital signal
Penetrate to electromagnetic induction coil device, then be demodulated making by electromagnetic induction coil device, thus capture corresponding pen pressure information,
Thus realizing digital transmission pen pressure information.
For example, after the pointer main control chip MCU of electromagnetic touch pen collects pressure size, by electromagnetic touch pen
Master control pin directly exports the wireless signal of certain frequency, and the induction installation main control chip MCU of electromagnetic induction coil device passes through
The change of perceived frequency obtains the pen pressure information of the electromagnetic touch-control tip of the brushstyle of a writing or painting.
And for example, after the pointer main control chip MCU of electromagnetic touch pen collects pressure size, electromagnetic touch pen master control
Produce the wireless signal of identical or different frequency, the induction installation master control core of electromagnetic induction coil device by controlling DDS chip
Piece MCU obtains the pen pressure information of the electromagnetic touch-control tip of the brushstyle of a writing or painting by the change of perceived frequency；
For another example, after the pointer main control chip MCU of electromagnetic touch pen collects pressure size, by electromagnetic touch pen
Master control pin produces two or more frequencies, represents 0 and 1 state in digital signal with different frequency, pressure information is sent
To electromagnetic induction coil device, the induction installation main control chip MCU of electromagnetic induction coil device is by perceiving different frequency value institute
Represent 0 and 1 state in digital signal, parse the specific pen pressure information of the electromagnetic touch-control tip of the brushstyle of a writing or painting；
And for example, after the pointer main control chip MCU of electromagnetic touch pen collects pressure size, by electromagnetic touch pen
Master control pin produces the wireless signal of a fixed frequency, to receive what electromagnetic touch pen sent the presence or absence of in certain time
Wireless signal, to represent 0 and 1 state in digital signal, is transmitted to electromagnetic induction line the pen pressure information of the electromagnetic touch-control tip of the brushstyle of a writing or painting
Coil apparatus, the induction installation main control chip MCU of electromagnetic induction coil device passes through to perceive in certain time to be had representated by carrierfree
In digital signal 0 and 1 state, parses the specific pen pressure information of the electromagnetic touch-control tip of the brushstyle of a writing or painting.
These are only preferred embodiment of the present utility model, be not limited to this utility model, all in this practicality
Any modification, equivalent and improvement made within new spirit and principle etc., should be included in guarantor of the present utility model
Within the scope of shield.
Claims (3)
1. a kind of electromagnetic touch pen pen pressure information generate system it is characterised in that：
Including electromagnetic touch pen and electromagnetic touch pen corresponding electromagnetic induction coil device；
Wherein, it is provided for perception collection pen point pressure inside electromagnetic touch pen and pen point pressure is converted into analogue signal
Pressure transducer SENSOR；It is connected with pressure transducer SENSOR and is used for carry out digital signal to the analogue signal collecting
After modulation, it is sent to the pointer main control chip MCU of electromagnetic induction coil device by wireless signal mode；
Wherein, the Stylus contact of electromagnetic induction coil device and electromagnetic touch pen, and make pressure transducer SENSOR produce
Pen point pressure analogue signal；
And, electromagnetic induction coil device be provided for receive electromagnetic touch pen send the induction coil of wireless signal, with
And parse corresponding pen point pressure value in the wireless signal connecting with induction coil and receiving from it and exist with electromagnetic touch pen
The induction coil main control chip MCU of the actual position on electromagnetic induction coil device.
2. pen pressure information according to claim 1 generate system it is characterised in that：Also set up inside electromagnetic touch pen with
Pointer main control chip MCU connect radio-transmitting apparatus, pointer main control chip MCU to the analogue signal collecting with
After the form of fixed frequency or frequency conversion carries out digital signal modulated, generate the wave mode signal with pen point pressure, and by wireless
Wave transmission device wireless transmit is to electromagnetic induction coil device.
3. pen pressure information according to claim 1 generate system it is characterised in that：Be additionally provided with electromagnetic touch pen with
Pointer main control chip MCU connects, power supply, charging for realizing Circuits System, and low-voltage or charging indicate power management mould
Block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620513701.XU CN205942625U (en) | 2016-05-31 | 2016-05-31 | Information generation system is pressed to pen of electromagnetic type touch -control pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620513701.XU CN205942625U (en) | 2016-05-31 | 2016-05-31 | Information generation system is pressed to pen of electromagnetic type touch -control pen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205942625U true CN205942625U (en) | 2017-02-08 |
Family
ID=57932515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620513701.XU Expired - Fee Related CN205942625U (en) | 2016-05-31 | 2016-05-31 | Information generation system is pressed to pen of electromagnetic type touch -control pen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205942625U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109343728A (en) * | 2018-11-19 | 2019-02-15 | 汉王科技股份有限公司 | Sensing device, electronic equipment and EM induction system for time writer |
| CN110851003A (en) * | 2019-11-19 | 2020-02-28 | 深圳市爱协生科技有限公司 | Pen pressure information generation system of active capacitive stylus |
| CN113189432A (en) * | 2018-05-18 | 2021-07-30 | 神讯电脑(昆山)有限公司 | Automatic test system and test method for magnetic control pen |
| CN114327147A (en) * | 2021-12-31 | 2022-04-12 | 北京碧云数创科技有限公司 | Touch screen system |
-
2016
- 2016-05-31 CN CN201620513701.XU patent/CN205942625U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113189432A (en) * | 2018-05-18 | 2021-07-30 | 神讯电脑(昆山)有限公司 | Automatic test system and test method for magnetic control pen |
| CN109343728A (en) * | 2018-11-19 | 2019-02-15 | 汉王科技股份有限公司 | Sensing device, electronic equipment and EM induction system for time writer |
| CN110851003A (en) * | 2019-11-19 | 2020-02-28 | 深圳市爱协生科技有限公司 | Pen pressure information generation system of active capacitive stylus |
| CN114327147A (en) * | 2021-12-31 | 2022-04-12 | 北京碧云数创科技有限公司 | Touch screen system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181212 Address after: No. 303, 7 Jiuda New Village, Duyun City, Guizhou Province, 558000 Patentee after: Jia Enhai Address before: 518000 Area 707, 7th Floor, Silver Star Science and Technology Building, 1301 Dabuxiang Community Sightseeing Road, Guanlan Street, Longhua New District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN HECHU TECHNOLOGY CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20190531 |