CN109032387B - Method for detecting posture of pen body through ultrasonic wave and electromagnetic positioning double sensors - Google Patents
Method for detecting posture of pen body through ultrasonic wave and electromagnetic positioning double sensors Download PDFInfo
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- CN109032387B CN109032387B CN201810792571.1A CN201810792571A CN109032387B CN 109032387 B CN109032387 B CN 109032387B CN 201810792571 A CN201810792571 A CN 201810792571A CN 109032387 B CN109032387 B CN 109032387B
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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
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03545—Pens or stylus
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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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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Abstract
The invention discloses a method for detecting the posture of a pen body by ultrasonic wave and electromagnetic positioning double sensors, which specifically comprises the following steps: s1, respectively electrifying the ultrasonic system, the system processing module and the electromagnetic sensing positioning system through the power supply module, simultaneously installing corresponding intelligent pen control unit components in the active capacitance pen, and respectively installing the microprocessor, the MEMS six-axis accelerometer, the gyroscope sensor, the PVDF ultrasonic sensor and the infrared transmitting tube in the active capacitance pen, relating to the technical field of electronics. According to the method for detecting the posture of the pen body through the ultrasonic wave and electromagnetic positioning double sensors, the positioning precision is greatly improved, accurate calculation and judgment on the inclined azimuth angle of the active capacitance pen are well achieved, signals are sent by utilizing a plurality of induction devices with different orientations around the pen point, and the purposes of correcting the position of the pen point and changing the thickness of the input track of the pen point according to inclination angle information are achieved.
Description
Technical Field
The invention relates to the technical field of electronics, in particular to a method for detecting the posture of a pen body through an ultrasonic wave and electromagnetic positioning double sensor.
Background
The capacitive touch technology has become the mainstream touch technology at present, and the active capacitive pen is used as a capacitive pen used in cooperation with the capacitive touch screen, the power supply and the corresponding control circuit are arranged in the pen body, the pen body can actively send signals, compared with a passive capacitance pen which can only receive signals, the pen body has the advantages of thin pen point, high positioning precision, interactivity and the like, and is more suitable for the use habit of people using the input tool of the pen compared with the finger writing, can detect the gesture of the active capacitance pen in the writing process using the active capacitance pen, i.e., the azimuth and inclination angle between it and the touch screen contact surface, determines and adjusts the position information of the active capacitive stylus based on the detected attitude information, e.g., and correcting the position of the pen point according to the inclination angle information, changing the thickness of the input track of the pen point, further changing the input characteristic of the active capacitance pen, and the like, so that the writing effect of the active capacitance pen is closer to that of a real writing pen.
At present, when the posture of an active capacitance pen is detected, most of the postures are detected by directly using an IMU detection system to detect the inclination angle and the position of the active capacitance pen, however, the positioning precision is low, accurate calculation and judgment on the inclination angle of the active capacitance pen cannot be realized, the purposes of correcting the position of a pen point and changing the thickness of an input track of the pen point according to inclination angle information cannot be achieved, the input characteristic of the active capacitance pen cannot be changed rapidly, and therefore the writing effect of the active capacitance pen cannot be closer to a real writing pen.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a method for detecting the posture of a pen body by using an ultrasonic wave and electromagnetic positioning double sensor, which solves the problems that the existing positioning precision is low, the accurate calculation and judgment on the inclined azimuth angle of an active capacitance pen cannot be realized, the aims of correcting the position of a pen point and changing the thickness of an input track of the pen point according to inclination angle information cannot be achieved, the input characteristic of the active capacitance pen cannot be changed rapidly, and the writing effect of the active capacitance pen cannot be closer to that of a real writing pen.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a method for detecting the posture of a pen body through an ultrasonic wave and electromagnetic positioning double sensor specifically comprises the following steps:
s1, respectively electrifying the ultrasonic system, the system processing module and the electromagnetic sensing positioning system through the power supply module, simultaneously installing corresponding intelligent pen control unit components in the active capacitance pen, respectively installing the microprocessor, the MEMS six-axis accelerometer, the gyroscope sensor, the PVDF ultrasonic sensor and the infrared emission tube in the active capacitance pen, and placing and overlapping the PVDF ultrasonic sensor, the MEMS six-axis accelerometer and the gyroscope sensor in the active capacitance pen;
s2, installing a plurality of sensing electrodes on the touch screen, wherein a certain overlapping part is arranged between every two sensing electrodes, the sensing electrodes can form an electrode sensing unit, the electrode sensing unit can send sensing data information to the system processing module, and meanwhile, the electrode sensing unit can form a plane coordinate relation on the touch screen through the touch screen coordinate analysis unit;
s3, when people use the active capacitance pen, people can touch the touch screen through the active capacitance pen, when the pen point of the active capacitance pen touches the touch screen and generates a certain pressure on the surface of the touch screen, the corresponding sensing electrode on the touch screen can convert and transmit the electric signal of the touch operation of people, and at the moment, the coordinate origin point reconstruction module can reconstruct the coordinate origin point according to the position of the sensing electrode on the touch screen;
s4, detecting the pressure on the newly-built coordinate origin in the S3 by a touch pressure detection module in the electromagnetic sensing positioning system, transmitting the detected pressure value to a touch pressure comparison module to be compared with a response pressure value in the touch pressure comparison module, and analyzing the position of the newly-built coordinate origin by a positioning analysis module if the detected pressure value reaches the response pressure value, and determining the position as the position of the active capacitance pen;
s5, a system processing module controls an ultrasonic three-dimensional positioning module and an acceleration/angular velocity three-dimensional attitude positioning module in an ultrasonic system to identify and confirm the position of a newly established coordinate origin, then a coordinate value calculation module and a three-dimensional attitude calculation module can analyze level data information of a plurality of corresponding sensing electrodes at the position, analyze the incidence relation between level information data related to the level data, use an infrared signal as a ranging synchronization signal, perform three-dimensional real-time positioning on an active capacitance pen through a three-dimensional ultrasonic positioning technology, calculate the coordinate value of each ultrasonic three-dimensional time, start an MEMS six-axis accelerometer and a gyroscope to finish the extraction of acceleration and angular velocity signals, and calculate the three-dimensional attitude by using acceleration information to correct the angular velocity information;
s6, the microprocessor, the MEMS six-axis accelerometer, the gyroscope sensor, the PVDF ultrasonic sensor and the infrared transmitting tube can detect the motion condition of the active capacitance pen, and transmit the detected data to the microprocessor for processing, thereby realizing the measurement of the inclination angle of the active capacitance pen;
and S7, finally, the system processing module integrates the position information of the active capacitive pen confirmed in S4, the azimuth angle of the active capacitive pen calculated in S5 and the inclination angle of the active capacitive pen measured in S6, and transmits the whole data information to the intelligent pen control unit to confirm the whole posture condition of the active capacitive pen.
Preferably, the electromagnetic sensing positioning system comprises a touch pressure detection module, a touch pressure comparison module and a positioning analysis module, wherein the output end of the touch pressure detection module is connected with the input end of the touch pressure comparison module, and the output end of the touch pressure comparison module is connected with the input end of the positioning analysis module.
Preferably, the ultrasonic system comprises an ultrasonic three-dimensional positioning module and an acceleration/angular velocity three-dimensional attitude positioning module, an output end of the ultrasonic three-dimensional positioning module is connected with an input end of a coordinate value calculation module, an output end of the acceleration/angular velocity three-dimensional attitude positioning module is connected with an input end of the three-dimensional attitude calculation module, output ends of the coordinate value calculation module and the three-dimensional attitude calculation module are both connected with an input end of the controller, an output end of the controller is connected with an input end of the correction module, an output end of the correction module is connected with an input end of the information acquisition module, and an output end of the information acquisition module is connected with an input end of the output module.
Preferably, the ultrasonic three-dimensional positioning module comprises an ultrasonic sensor, a first infrared sensor and a second infrared sensor.
Preferably, the system processing module is in bidirectional connection with the electrode sensing unit, and the electrode sensing unit is composed of N sensing electrodes.
Preferably, the system processing module is respectively in bidirectional connection with the coordinate origin point reconstruction module, the electromagnetic sensing positioning system, the touch screen coordinate analysis unit, the intelligent pen control unit and the ultrasonic system.
Preferably, the intelligent pen control unit comprises a microprocessor, an MEMS six-axis accelerometer, a gyroscope sensor, a PVDF ultrasonic sensor and an infrared transmitting tube, wherein the MEMS six-axis accelerometer, the gyroscope sensor, the PVDF ultrasonic sensor and the infrared transmitting tube are all in bidirectional connection with the microprocessor.
(III) advantageous effects
The invention provides a method for detecting the posture of a pen body by using ultrasonic and electromagnetic positioning double sensors. Compared with the prior art, the method has the following beneficial effects: the method for detecting the posture of the pen body through the ultrasonic wave and electromagnetic positioning double sensors specifically comprises the following steps: s1, respectively electrifying the ultrasonic system, the system processing module and the electromagnetic sensing positioning system through the power supply module, simultaneously installing corresponding intelligent pen control unit components in the active capacitance pen, S2, installing a plurality of sensing electrodes on the touch screen, wherein a certain overlapping part is arranged between every two sensing electrodes, S3, when people use the active capacitance pen, people can touch the touch screen through the active capacitance pen, when the pen point of the active capacitance pen touches the touch screen and generates certain pressure on the surface of the touch screen, S4, then the touch pressure detection module in the electromagnetic sensing positioning system can detect the pressure on the newly-built coordinate origin in S3, S5, the system processing module can control the ultrasonic three-dimensional positioning module and the acceleration/angular velocity three-dimensional attitude positioning in the ultrasonic system to identify and confirm the position of the newly-built coordinate origin, the positioning precision is greatly improved, accurate calculation and judgment of the inclined azimuth angle of the active capacitance pen are well achieved, signals are sent by the aid of a plurality of sensing devices with different orientations around the pen point, the aims of correcting the position of the pen point and changing the thickness of an input track of the pen point according to inclination angle information are achieved, and the input characteristic of the active capacitance pen is quickly changed.
Drawings
FIG. 1 is a functional block diagram of the system of the present invention;
FIG. 2 is a block diagram of the operating principles of the ultrasonic system of the present invention;
FIG. 3 is a block diagram of the working principle of the ultrasonic three-dimensional positioning system of the present invention;
FIG. 4 is a block diagram of the operating principle of the control unit of the smart pen of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an embodiment of the present invention provides a technical solution: a method for detecting the posture of a pen body through an ultrasonic wave and electromagnetic positioning double sensor specifically comprises the following steps:
s1, respectively electrifying the ultrasonic system, the system processing module and the electromagnetic sensing positioning system through the power supply module, simultaneously installing corresponding intelligent pen control unit components in the active capacitance pen, respectively installing the microprocessor, the MEMS six-axis accelerometer, the gyroscope sensor, the PVDF ultrasonic sensor and the infrared emission tube in the active capacitance pen, and placing and overlapping the PVDF ultrasonic sensor, the MEMS six-axis accelerometer and the gyroscope sensor in the active capacitance pen;
s2, installing a plurality of sensing electrodes on the touch screen, wherein a certain overlapping part is arranged between every two sensing electrodes, the sensing electrodes can form an electrode sensing unit, the electrode sensing unit can send sensing data information to the system processing module, and meanwhile, the electrode sensing unit can form a plane coordinate relation on the touch screen through the touch screen coordinate analysis unit;
s3, when people use the active capacitance pen, people can touch the touch screen through the active capacitance pen, when the pen point of the active capacitance pen touches the touch screen and generates a certain pressure on the surface of the touch screen, the corresponding sensing electrode on the touch screen can convert and transmit the electric signal of the touch operation of people, and at the moment, the coordinate origin point reconstruction module can reconstruct the coordinate origin point according to the position of the sensing electrode on the touch screen;
s4, detecting the pressure on the newly-built coordinate origin in the S3 by a touch pressure detection module in the electromagnetic sensing positioning system, transmitting the detected pressure value to a touch pressure comparison module to be compared with a response pressure value in the touch pressure comparison module, and analyzing the position of the newly-built coordinate origin by a positioning analysis module if the detected pressure value reaches the response pressure value, and determining the position as the position of the active capacitance pen;
s5, a system processing module controls an ultrasonic three-dimensional positioning module and an acceleration/angular velocity three-dimensional attitude positioning module in an ultrasonic system to identify and confirm the position of a newly established coordinate origin, then a coordinate value calculation module and a three-dimensional attitude calculation module can analyze level data information of a plurality of corresponding sensing electrodes at the position, analyze the incidence relation between level information data related to the level data, use an infrared signal as a ranging synchronization signal, perform three-dimensional real-time positioning on an active capacitance pen through a three-dimensional ultrasonic positioning technology, calculate the coordinate value of each ultrasonic three-dimensional time, start an MEMS six-axis accelerometer and a gyroscope to finish the extraction of acceleration and angular velocity signals, and calculate the three-dimensional attitude by using acceleration information to correct the angular velocity information;
s6, the microprocessor, the MEMS six-axis accelerometer, the gyroscope sensor, the PVDF ultrasonic sensor and the infrared transmitting tube can detect the motion condition of the active capacitance pen, and transmit the detected data to the microprocessor for processing, thereby realizing the measurement of the inclination angle of the active capacitance pen;
and S7, finally, the system processing module integrates the position information of the active capacitive pen confirmed in S4, the azimuth angle of the active capacitive pen calculated in S5 and the inclination angle of the active capacitive pen measured in S6, and transmits the whole data information to the intelligent pen control unit to confirm the whole posture condition of the active capacitive pen.
According to the invention, the electromagnetic sensing positioning system comprises a touch pressure detection module, a touch pressure comparison module and a positioning analysis module, wherein the output end of the touch pressure detection module is connected with the input end of the touch pressure comparison module, and the output end of the touch pressure comparison module is connected with the input end of the positioning analysis module.
The ultrasonic system comprises an ultrasonic three-dimensional positioning module and acceleration/angular velocity three-dimensional attitude positioning, wherein the output end of the ultrasonic three-dimensional positioning module is connected with the input end of a coordinate value calculation module, the output end of the acceleration/angular velocity three-dimensional attitude positioning module is connected with the input end of a three-dimensional attitude calculation module, the output ends of the coordinate value calculation module and the three-dimensional attitude calculation module are both connected with the input end of a controller, the output end of the controller is connected with the input end of a correction module, the output end of the correction module is connected with the input end of an information acquisition module, and the output end of the information acquisition module is connected with the input end of an output module.
In the invention, the ultrasonic three-dimensional positioning module comprises an ultrasonic sensor, a first infrared sensor and a second infrared sensor.
In the invention, the system processing module is in bidirectional connection with the electrode sensing unit, and the electrode sensing unit consists of N sensing electrodes.
In the invention, the system processing module is respectively in bidirectional connection with the coordinate origin point reconstruction module, the electromagnetic sensing positioning system, the touch screen coordinate analysis unit, the intelligent pen control unit and the ultrasonic system.
In the invention, the intelligent pen control unit comprises a microprocessor, an MEMS six-axis accelerometer, a gyroscope sensor, a PVDF ultrasonic sensor and an infrared transmitting tube, wherein the MEMS six-axis accelerometer, the gyroscope sensor, the PVDF ultrasonic sensor and the infrared transmitting tube are all in bidirectional connection with the microprocessor.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A method for detecting the posture of a pen body through ultrasonic waves and electromagnetic positioning double sensors is characterized in that: the method specifically comprises the following steps:
s1, respectively electrifying the ultrasonic system, the system processing module and the electromagnetic sensing positioning system through the power supply module, simultaneously installing corresponding intelligent pen control unit components in the active capacitance pen, respectively installing the microprocessor, the MEMS six-axis accelerometer, the gyroscope sensor, the PVDF ultrasonic sensor and the infrared emission tube in the active capacitance pen, and placing and overlapping the PVDF ultrasonic sensor, the MEMS six-axis accelerometer and the gyroscope sensor in the active capacitance pen;
s2, installing a plurality of sensing electrodes on the touch screen, wherein a certain overlapping part is arranged between every two sensing electrodes, the sensing electrodes can form an electrode sensing unit, the electrode sensing unit can send sensing data information to the system processing module, and meanwhile, the electrode sensing unit can form a plane coordinate relation on the touch screen through the touch screen coordinate analysis unit;
s3, when people use the active capacitance pen, people can touch the touch screen through the active capacitance pen, when the pen point of the active capacitance pen touches the touch screen and generates a certain pressure on the surface of the touch screen, the corresponding sensing electrode on the touch screen can convert and transmit the electric signal of the touch operation of people, and at the moment, the coordinate origin point reconstruction module can reconstruct the coordinate origin point according to the position of the sensing electrode on the touch screen;
s4, detecting the pressure on the newly-built coordinate origin in the S3 by a touch pressure detection module in the electromagnetic sensing positioning system, transmitting the detected pressure value to a touch pressure comparison module to be compared with a response pressure value in the touch pressure comparison module, and analyzing the position of the newly-built coordinate origin by a positioning analysis module if the detected pressure value reaches the response pressure value, and determining the position as the position of the active capacitance pen;
s5, a system processing module controls an ultrasonic three-dimensional positioning module and an acceleration/angular velocity three-dimensional attitude positioning module in an ultrasonic system to identify and confirm the position of a newly established coordinate origin, then a coordinate value calculation module and a three-dimensional attitude calculation module can analyze level data information of a plurality of corresponding sensing electrodes at the position, analyze the incidence relation between level information data related to the level data, use an infrared signal as a ranging synchronization signal, perform three-dimensional real-time positioning on an active capacitance pen through a three-dimensional ultrasonic positioning technology, calculate the coordinate value of each ultrasonic three-dimensional time, start an MEMS six-axis accelerometer and a gyroscope to finish the extraction of acceleration and angular velocity signals, and calculate the three-dimensional attitude by using acceleration information to correct the angular velocity information;
s6, the microprocessor, the MEMS six-axis accelerometer, the gyroscope sensor, the PVDF ultrasonic sensor and the infrared transmitting tube can detect the motion condition of the active capacitance pen, and transmit the detected data to the microprocessor for processing, thereby realizing the measurement of the inclination angle of the active capacitance pen;
and S7, finally, the system processing module integrates the position information of the active capacitive pen confirmed in S4, the azimuth angle of the active capacitive pen calculated in S5 and the inclination angle of the active capacitive pen measured in S6, and transmits the whole data information to the intelligent pen control unit to confirm the whole posture condition of the active capacitive pen.
2. The method for detecting the posture of the pen body through the ultrasonic wave and electromagnetic positioning dual sensors as claimed in claim 1, wherein: the electromagnetic sensing positioning system comprises a touch pressure detection module, a touch pressure comparison module and a positioning analysis module, wherein the output end of the touch pressure detection module is connected with the input end of the touch pressure comparison module, and the output end of the touch pressure comparison module is connected with the input end of the positioning analysis module.
3. The method for detecting the posture of the pen body through the ultrasonic wave and electromagnetic positioning dual sensors as claimed in claim 1, wherein: the ultrasonic system comprises an ultrasonic three-dimensional positioning module and acceleration/angular velocity three-dimensional attitude positioning, wherein the output end of the ultrasonic three-dimensional positioning module is connected with the input end of a coordinate value calculation module, the output end of the acceleration/angular velocity three-dimensional attitude positioning module is connected with the input end of a three-dimensional attitude calculation module, the output ends of the coordinate value calculation module and the three-dimensional attitude calculation module are both connected with the input end of a controller, the output end of the controller is connected with the input end of a correction module, the output end of the correction module is connected with the input end of an information acquisition module, and the output end of the information acquisition module is connected with the input end of an output.
4. The method for detecting the posture of the pen body through the ultrasonic wave and electromagnetic positioning dual sensors as claimed in claim 1, wherein: the ultrasonic three-dimensional positioning module comprises an ultrasonic sensor, a first infrared sensor and a second infrared sensor.
5. The method for detecting the posture of the pen body through the ultrasonic wave and electromagnetic positioning dual sensors as claimed in claim 1, wherein: the system processing module is connected with the electrode sensing unit in a bidirectional mode, and the electrode sensing unit is composed of N sensing electrodes.
6. The method for detecting the posture of the pen body through the ultrasonic wave and electromagnetic positioning dual sensors as claimed in claim 1, wherein: the system processing module is respectively in bidirectional connection with the coordinate origin point reconstruction module, the electromagnetic sensing positioning system, the touch screen coordinate analysis unit, the intelligent pen control unit and the ultrasonic system.
7. The method for detecting the posture of the pen body through the ultrasonic wave and electromagnetic positioning dual sensors as claimed in claim 1, wherein: the intelligent pen control unit comprises a microprocessor, an MEMS six-axis accelerometer, a gyroscope sensor, a PVDF ultrasonic sensor and an infrared transmitting tube, wherein the MEMS six-axis accelerometer, the gyroscope sensor, the PVDF ultrasonic sensor and the infrared transmitting tube are all in bidirectional connection with the microprocessor.
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| CN113867562B (en) * | 2021-08-18 | 2022-11-15 | 荣耀终端有限公司 | Touch screen point reporting correction method and device and electronic equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2538021Y (en) * | 2002-01-04 | 2003-02-26 | 吴剑平 | electromagnetic electronic white board data collector |
| CN105980966A (en) * | 2014-02-21 | 2016-09-28 | 高通股份有限公司 | In-air ultrasound pen gestures |
| CN106598293A (en) * | 2016-12-14 | 2017-04-26 | 吉林大学 | Three-dimensional large-space multi-channel pen-based interaction system |
| CN106933390A (en) * | 2017-03-08 | 2017-07-07 | 吉林大学 | Stylus position and posture detection method and system that inertial technology and ultrasonic wave are combined |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7489308B2 (en) * | 2003-02-14 | 2009-02-10 | Microsoft Corporation | Determining the location of the tip of an electronic stylus |
| KR102460543B1 (en) * | 2016-08-01 | 2022-10-31 | 삼성전자주식회사 | Electronic device including electronic pen and method for recognizing insertion of the electronic pen therein |
-
2018
- 2018-07-18 CN CN201810792571.1A patent/CN109032387B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2538021Y (en) * | 2002-01-04 | 2003-02-26 | 吴剑平 | electromagnetic electronic white board data collector |
| CN105980966A (en) * | 2014-02-21 | 2016-09-28 | 高通股份有限公司 | In-air ultrasound pen gestures |
| CN106598293A (en) * | 2016-12-14 | 2017-04-26 | 吉林大学 | Three-dimensional large-space multi-channel pen-based interaction system |
| CN106933390A (en) * | 2017-03-08 | 2017-07-07 | 吉林大学 | Stylus position and posture detection method and system that inertial technology and ultrasonic wave are combined |
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