WO2007046604A1 - Dispositif de saisie d’informations numeriques - Google Patents

Dispositif de saisie d’informations numeriques Download PDF

Info

Publication number
WO2007046604A1
WO2007046604A1 PCT/KR2006/004190 KR2006004190W WO2007046604A1 WO 2007046604 A1 WO2007046604 A1 WO 2007046604A1 KR 2006004190 W KR2006004190 W KR 2006004190W WO 2007046604 A1 WO2007046604 A1 WO 2007046604A1
Authority
WO
WIPO (PCT)
Prior art keywords
information
digital information
sensor
input
inputting digital
Prior art date
Application number
PCT/KR2006/004190
Other languages
English (en)
Inventor
Sung-Chul Juh
Original Assignee
Mobisol Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020060086726A external-priority patent/KR20070042858A/ko
Application filed by Mobisol Inc. filed Critical Mobisol Inc.
Publication of WO2007046604A1 publication Critical patent/WO2007046604A1/fr

Links

Classifications

    • 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

Definitions

  • the present invention relates generally to a device for inputting digital information, and more particularly, to a device for inputting digital information, that can be conveniently used on any surface without a spatial tool such as digitizer board by combining a motion sensor and an optical image sensor type.
  • the optical mouse includes a two-dimensional (2D) optical image sensor array, which captures images of a bottom surface.
  • the motion of an optical mouse device is calculated by comparing the sequence of images captured by this image sensor.
  • the optical mouse can be used as a painting and script input device, and pen type mouse is developed to improve the usability and efficiency.
  • the digitizer-based input device is more widely used as an input device for hand- writing.
  • optical mouse sensor-based pen mouse is compact and easy to be used for various functions, such as browsing, clicking, pointing and scrolling, as well as a 2D pointing
  • digitizer-based type input devices are preferred for hand- writing type applications. It is because the optical mouse sensor type input device cannot collect data while it is moved between strokes.
  • the digitizer-based input device requires a digitizer board which requires a relatively large area. This portability issue restricts use of the digitizer-based input device as a portable information device.
  • FIG. 1 shows the construction of a conventional digitizer type input device.
  • the digitizer type input device is a PDA 120.
  • the PDA 120 includes a stylus pen 100, enabling a user to perform writing or selection operation, and a display 110.
  • the PDA 120 is adapted to display a corresponding action depending on a selected menu and written contents on the display 110 by recognizing a menu selection instruction or a writing operation in a state where a portion of the pen 100 is touched on the 2D plane of the display 110.
  • the pen 100 may serve as a pointing tool or a writing tool without an additional electrical means.
  • the PDA 120 performs a signal processing corresponding to a portion touching the tip of the pen 100.
  • the digitizer type input device determines input information in a state where the pen is touched to the 2D plane of the display 110. If a current screen on the display 110 is displaying the menu, the PDA 120 determines information corresponding to a region to which the tip of the pen 100 is touched as menu selection information, and performs a corresponding instruction based on the selected positional information.
  • the PDA 120 acquires information about the contact position of the pen 100, which is consecutively changed, in a state where a screen from which written contents can be recognized is displayed, and displays the written contents on the display 110 based on the acquired information.
  • FIG. 2 is a view illustrating the construction of a conventional optical mouse.
  • the conventional optical mouse includes a 2D optical sensor array having a CMOS image sensor 200, and optical elements, such as a lens 210.
  • the optical mouse sensor captures a series of images of a surface on which the mouse moves, and calculates a motion amount of the optical mouse through a motion tracking means 220 using the captured images.
  • the optical mouse device as illustrated in FIGS. 2 and 3, performs a simple pointing work for using an information device. But, the optical mouse device as a handwriting input device is limited due to the difficulty in use.
  • FIG. 4 is a view illustrating the input of characters using the pen mouse type input device using optical mouse sensor. Referring to FIG. 4, if a user inputs D", “1” and “D” in order to draw a letter “D”, various letters such as “D”, “D”, “D” or “D” may be outputted.
  • the present invention has been made to solve the above problems occurring in the prior art, and it is an object of the present invention to provide an information input device, can be conveniently used without spatial limitation, and facilitates inputs of handwriting and drawings, through combining integrating a motion sensor and an acceleration sensor.
  • a devicefor inputting digital information which includes: a pressure sensor for sensing a pressure generated when the device touches a specific surface and generating a pressure sense signal; a motion sensor adapted to be driven in response to the pressure sense signal and configured to detect input information about the device, which moves while touching the specific surface, in an optical method employing reflection of light; an acceleration sensor adapted to be driven in response to the pressure sense signal and configured to sense the movement of the device with the device being spaced apart from the specific surface and to detect movement information up to a next input point; a control unit for determining an input range, a moving direction and a moving distance based on the information received from the acceleration sensor and the motion sensor, and storing the input range, the moving direction and the moving distance in a storage unit; and a communication module for transmitting and receiving the input information and the movement information processed in the control unit to and from an external information device.
  • the digital information input device of the present invention is advantageous in that it can be applied to a portable information device, which can be easily used without spatial limitation, and facilitate inputs of characters and drawings requiring lots of movements at the time of inputs, by using a motion sensor and an acceleration sensor.
  • FIG. 1 shows the construction of a conventional input device of a digitizer type
  • FIG. 2 is a view illustrating the construction of a conventional optical mouse
  • FIG. 3 is a view illustrating the operating principle of the conventional optical mouse
  • FIG. 4 is a view illustrating the input of characters in a pen type input device employing the operating principle of the conventional optical mouse
  • FIG. 5 shows the construction of a pen type digital information input device according to an embodiment of the present invention
  • FIG. 6 shows the construction of a ring type digital information input device according to another embodiment of the present invention
  • FIG. 7 is a flowchart illustrating a method of operating the digital information input device according to the present invention.
  • FIG. 8 is a block diagram showing the construction of a chip in which a motion sensor and an acceleration sensor, applied to the digital information input device according to the present invention, are integrated;
  • FIG. 9 shows an optical type motion sensor according to the present invention.
  • FIG. 10 is a circuit diagram of the acceleration sensor according to an embodiment of the present invention.
  • FIG. 5 shows the construction of a pen type digital information input device according to an embodiment of the present invention.
  • the digital information input device of the present invention includes a pressure sensor 400, a motion sensor 410, an acceleration sensor 420, a contact sensor 430 and a communication module 480.
  • the pressure sensor 400 is a means for sensing pressure when a user touches a specific surface with an input device, and controls the operation of the motion sensor 410 for acquiring input data and the acceleration sensor 420 for acquiring movement information of an input device.
  • the pressure sensor 400 generates a pressure sense signal of a state H when pressure is applied, and generates a pressure sense signal of a state L when pressure is not applied.
  • the motion sensor 410 is a sensor operating as an optical type, and is adapted to acquire an input data, such as a character or drawing, by detecting a motion on the surface of the input device.
  • the acceleration sensor 420 senses motions of two or more axes when the input device moves without input with it being spaced apart from the surface, and obtains movement information of the input device until a next input.
  • the digital information input device of the present invention further includes a control unit.
  • the control unit receives information acquired by the motion sensor 410 and the acceleration sensor 420, determines an input range, a moving direction and a moving distance, and stores them in a storage device built therein.
  • the motion sensor 410 and the acceleration sensor 420 may be integrated into a single chip.
  • the input device may have a diameter of 15 mm or less in order to maximize the usability, so that it can be suited for a portable information device or wearable computer environment.
  • the digital information input device of the present invention can perform a general 2D pointing function as well as input data, such as characters or drawings, by using the motion sensor 410 of the optical type.
  • the contact sensor 430 senses the contact of the input device by a user, and generates a sensing signal.
  • the input device determines the input of the user based on the sensing signal generated by the contact sensor 430.
  • the pen type digital information input device further includes a bending adjustment unit for allowing a user to bend an input device at an adequate angle.
  • a bending adjustment unit for allowing a user to bend an input device at an adequate angle.
  • the digital information input device may further include a click switch 450 corresponding to a click button of a conventional optical mouse.
  • the digital information input device may further include a portable clip 460 in order to be carried with a user, preventing the device from being lost.
  • the digital information input device may further include a laser pointer 470 so that it can be used in a presentation.
  • the communication module 480 may transmit data, stored in memory within the input device, to an external information device, such as a computer or a projector, or transmit information using wired and wireless communications in real-time.
  • the wireless communication may include one of Radio Frequency (RF), blue tooth, wireless LAN and IrDA.
  • FIG. 6 shows the construction of a ring type digital information input device according to another embodiment of the present invention.
  • the ring type digital information input device includes a pressure sensor 500, a motion sensor 510, an acceleration sensor 520, a contact sensor 530 and a control unit 540.
  • a user can use the ring type digital information input device with it being put on a finger. If the user touches a front portion of the input device on a specific surface, the pressure sensor 500 senses the pressure and generates a pressure sense signal of a state H. If the contact of the input device is released and the pressure is not applied, the pressure sensor 500 generates a pressure sense signal of a state L.
  • the motion sensor 510 of an optical type operates in response to the pressure sense signal of the state H, which is generated when the input device touches a specific surface, detects the motion of the device on the specific surface, and acquires an input data, such as characters or drawings.
  • the acceleration sensor 520 operates in response to the pressure sense signal of the state L, which is generated when the contact of the input device on the specific surface is released, senses motions of two or more axes along which the input device moves, and acquires movement information of the device until a next input. Accordingly, when inputting data such as characters or drawings, a more accurate movement between strokes can be performed.
  • the control unit 540 decides an input range, a moving direction and a distance based on the input data, acquired as described above, and stores them in a built-in storage device, and transmits them to a portable information device, such as a mobile phone, a PDA and a notebook computer using a communication module integrally built therein.
  • a portable information device such as a mobile phone, a PDA and a notebook computer using a communication module integrally built therein.
  • the control unit 540 may also provide the 2D pointing function by employing motion calculation detected due to the motion sensor 510 or the acceleration sensor 520.
  • the ring type digital information input device may further include a click switch 550 in order to perform functions, such as a direct input of a user, and input classification.
  • FIG. 7 is a flowchart illustrating a method of operating the digital information input device according to the present invention.
  • the contact sensor senses the contact and determines whether the input has been performed (S610). If the device is brought to close contact to the surface for the purpose of input, the pressure sensor generates the pressure sense signal of the state H (S620). The motion sensor is activated in response to the pressure sense signal of the state H (S630). The motion sensor detects a motion of the device on the surface and acquires an input data (S640). If the input is stopped and the user moves with the input device and the surface being spaced apart from each other for a next input, the pressure sense signal shifts to the state L.
  • the acceleration sensor is activated in response to the pressure sense signal of the state L (S650), calculates a motion direction and distance of the device, provides the calculated motion direction and distance to the operation device, and calculates a location at which a next input begins (S660).
  • S650 the pressure sense signal of the state L
  • S660 calculates a location at which a next input begins
  • the input device of the present invention can provide the 2D pointing function by employing a motion calculation function.
  • FIG. 8 is a block diagram showing the construction of a chip in which a motion sensor and an acceleration sensor, applied to the digital information input device according to the present invention, are integrated.
  • FIG. 8 a series of process of tracking information input by a user and movement information using a motion sensor 740 and an acceleration sensor 750, and obtaining a motion amount using an operation device of a control unit 760.
  • the control unit 760 generates a signal to control the motion sensor 740 and the acceleration sensor 750 using signals sensed by a contact sensor 710 and a pressure sensor 720.
  • the motion sensor 740 detects a motion in a state where an input device touches a surface, and generates a contact motion signal.
  • the acceleration sensor 750 detects a motion after the input device is spaced apart from the surface, generates a non-contact motion signal, and transmits the signal to the control unit 760.
  • a communication unit 760 transmits and receives information about an input range, a moving direction and a moving distance, determined in the control unit, to and from a host of the information device.
  • FIG. 9 shows an optical type motion sensor according to the present invention.
  • the optical type motion sensor includes a parallel light prism lens 820 for producing parallel light by collecting light from a light source 810, a reflection plate 840 for receiving the parallel light and totally reflecting the light toward an object surface 830, a mask 850 for removing reflected light, and a focusing lens 860 for focusing an image from the object surface 830.
  • An optical guide in which the light source 810, the parallel light prism lens 820, the object surface 830, the reflection plate 840, the mask 850, and the focusing lens 860 are formed as one component is integrated into a housing 870 so that they can be used with a high portability.
  • FIG. 10 is a circuit diagram of the acceleration sensor according to an embodiment of the present invention.
  • An acceleration sensor measures an acceleration (deceleration) speed generated from three axes X, Y and Z using X, Y and Z sensors 910.
  • a multiplexer 920 selects a measured signal.
  • An amplifier 930 amplifies the selected measured signal.
  • Electrically Erasable and Programmable Read Only Memory (EEPROM) 940 compensates for the sensitivity of the measured signal.
  • a demultiplexer 950 demultiplexes the amplified signal on an axis basis. The demultiplexed signal is outputted as an analog value through a sample and hold unit 960.
  • a shock coefficient modulator 970 provides a digital value of an output signal.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Input By Displaying (AREA)

Abstract

La présente invention concerne de manière générale un dispositif de saisie d'informations numériques, et plus particulièrement, un dispositif de saisie d'informations numériques qui peut être utilisé de manière pratique sans limitation spatiale et facilite une exploitation de saisie complexe, en utilisant de manière composite un capteur de mouvement et d’accélération de type optique. Ce dispositif de saisie comprend un capteur de pression pour détecter une pression générée lorsqu'il touche une surface spécifique et générer un signal de détection de pression, un détecteur de mouvement adapté pour être activé en réponse au signal de détection de pression et configuré pour détecter les informations de saisie sur le périphérique, qui se déplace tout en touchant la surface spécifique, dans un procédé optique employant la réflexion de la lumière, un capteur d'accélération adapté pour être activé en réponse au signal de détection de pression et configuré pour détecter le mouvement du dispositif avec le dispositif écarté de la surface spécifique et pour détecter des informations de mouvement jusqu’à un point d’entrée suivant, une unité de contrôle pour déterminer une plage d'entrée, un sens et une distance de déplacement basés sur les informations reçues à partir du capteur d’accélération et du capteur de déplacement et le stockage de la plage d’entrée, le sens et la distance de déplacement dans une unité de stockage et un module de communication pour transmettre et recevoir les informations d'entrée et de mouvement traitées dans l'unité de contrôle vers et depuis le dispositif d'informations externe.
PCT/KR2006/004190 2005-10-19 2006-10-17 Dispositif de saisie d’informations numeriques WO2007046604A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2005-0098711 2005-10-19
KR20050098711 2005-10-19
KR10-2006-0086726 2006-09-08
KR1020060086726A KR20070042858A (ko) 2005-10-19 2006-09-08 펜 형태의 디지털 입력 장치

Publications (1)

Publication Number Publication Date
WO2007046604A1 true WO2007046604A1 (fr) 2007-04-26

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101872259A (zh) * 2010-06-03 2010-10-27 中国人民解放军第二炮兵工程学院 自动录入书写内容的自然交互笔及笔迹检测方法
CN101493897B (zh) * 2008-01-21 2012-01-25 联想(北京)有限公司 板书记录器
WO2013090960A1 (fr) 2011-12-20 2013-06-27 Isiqiri Interface Technolgies Gmbh Système informatique et procédé de commande dudit système informatique
WO2013134806A1 (fr) 2012-03-12 2013-09-19 Isiqiri Interface Technologies Gmbh Installation informatique et procédé de commande de celui-ci
US10474252B2 (en) 2013-07-17 2019-11-12 Stabilo International Gmbh Electronic pen
WO2022016650A1 (fr) * 2020-07-21 2022-01-27 深圳市鹰硕教育服务有限公司 Procédé de traitement d'images de stylo intelligent, appareil et dispositif électronique

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09114586A (ja) * 1995-10-18 1997-05-02 Ricoh Co Ltd ペン先座標入力装置
JPH11232389A (ja) * 1998-02-09 1999-08-27 Pilot Corp 入力ペンによるパターン認識システム及びそれを備えた筆記ボード認識セット
KR20020085009A (ko) * 2001-05-04 2002-11-16 현대자동차주식회사 연료탱크의 여과망 보호를 위한 프로텍터
WO2003034323A1 (fr) * 2001-10-12 2003-04-24 Siemens Aktiengesellschaft Dispositif de detection et de representation de mouvements
WO2003060684A1 (fr) * 2002-01-16 2003-07-24 Yong-Ho Jo Stylo numerique
WO2004019198A1 (fr) * 2002-08-26 2004-03-04 Taizo Saito Dispositif d'entree pour ordinateur a stylet

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09114586A (ja) * 1995-10-18 1997-05-02 Ricoh Co Ltd ペン先座標入力装置
JPH11232389A (ja) * 1998-02-09 1999-08-27 Pilot Corp 入力ペンによるパターン認識システム及びそれを備えた筆記ボード認識セット
KR20020085009A (ko) * 2001-05-04 2002-11-16 현대자동차주식회사 연료탱크의 여과망 보호를 위한 프로텍터
WO2003034323A1 (fr) * 2001-10-12 2003-04-24 Siemens Aktiengesellschaft Dispositif de detection et de representation de mouvements
WO2003060684A1 (fr) * 2002-01-16 2003-07-24 Yong-Ho Jo Stylo numerique
WO2004019198A1 (fr) * 2002-08-26 2004-03-04 Taizo Saito Dispositif d'entree pour ordinateur a stylet

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101493897B (zh) * 2008-01-21 2012-01-25 联想(北京)有限公司 板书记录器
CN101872259A (zh) * 2010-06-03 2010-10-27 中国人民解放军第二炮兵工程学院 自动录入书写内容的自然交互笔及笔迹检测方法
WO2013090960A1 (fr) 2011-12-20 2013-06-27 Isiqiri Interface Technolgies Gmbh Système informatique et procédé de commande dudit système informatique
US9405384B2 (en) 2011-12-20 2016-08-02 Isiqiri Interface Technologies Gmbh Computer system and control method for same
WO2013134806A1 (fr) 2012-03-12 2013-09-19 Isiqiri Interface Technologies Gmbh Installation informatique et procédé de commande de celui-ci
US9639180B2 (en) 2012-03-12 2017-05-02 Isiqiri Interface Technologies Gmbh Computer system and a control method therefor
US10474252B2 (en) 2013-07-17 2019-11-12 Stabilo International Gmbh Electronic pen
WO2022016650A1 (fr) * 2020-07-21 2022-01-27 深圳市鹰硕教育服务有限公司 Procédé de traitement d'images de stylo intelligent, appareil et dispositif électronique

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