| WALTOP INTERNATIONAL CORPORATION Patent applications |
| Patent application number | Title | Published |
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| 20120112766 | ELECTROMAGNETIC INDUCTION COORDINATE DETECTING SYSTEM AND METHOD THEREOF - An electromagnetic induction coordinate detecting method for detecting the trace of at least one electromagnetic pointing device on an electromagnetic sensor board is disclosed. The method includes the following steps: first, a delayed period for each electromagnetic pointing device is pre-determined. Then, whether a board-trigger signal from the electromagnetic sensor board is received is determined. If yes, the electromagnetic pointing device emits an electromagnetic signal after the delayed period. Finally, the electromagnetic sensor board calculates the coordinate and the pressure of each electromagnetic pointing device according to the received electromagnetic signal. | 05-10-2012 |
| 20120068984 | INTEGRATED ELECTROMAGNETIC TYPE INPUT FLAT PANEL DISPLAY APPARATUS - An integrated electromagnetic type input flat panel display apparatus is disclosed. The integrated electromagnetic type input flat panel display apparatus comprises a display panel, a control unit and a signal processing unit. The display panel has a display unit and an electromagnetic sensor unit, wherein the display unit and the electromagnetic sensor unit are integrated in to a substrate of the display panel. The signal processing unit receives and processes the signals from the electromagnetic sensor unit. | 03-22-2012 |
| 20120044211 | OPTICAL TOUCH LOCATING SYSTEM AND METHOD THEREOF - An optical touch locating system and method thereof is disclosed herein. The method includes the following steps. A step is used for activating the coordinate detecting module. A step is used for calculating the distance between two optical touch apparatuses. A step is used for sequentially locating a plurality of anchor points. When indicating to detect a first anchor point, a step is used to touch one of four corners on a display device by a touch object. A step is used for sequentially detecting and locating the remaining anchor points. At final step, according to the distance between two optical touch apparatuses and the coordinates of the anchor points, the touch working area. is confirmed. | 02-23-2012 |
| 20120038370 | METHOD FOR FREQUENCY DETECTION AND DETECTING VARIATION OF FREQUENCY - Method for frequency detection and detecting variation of frequency is disclosed. The method comprises the following steps. First of all, a pointer is provided over an electromagnetic position detection apparatus, wherein the pointer emits an electromagnetic signal with a frequency f | 02-16-2012 |
| 20110308867 | HANDWRITING INPUT DEVICE WITH ELECTROMAGNETIC POWER TRANSMITTING - A handwriting input device with electromagnetic power transmitting is disclosed herein and includes a micro-controller, a power transferring coil, an electromagnetic pen and a filter. The micro-controller is configured to control for the first signal producing and the power transferring coil is configured to transfer the electromagnetic power of the first signal. The electromagnetic pen is configured to receive the electromagnetic power of the first signal and transform the electromagnetic power to be the second signal to transmit. The antenna loops are configured to receive the second signal and the filter is configured to filter the noise of the second signal. | 12-22-2011 |
| 20110282624 | Method for Determining Incline Angle of Electromagnetic Pointer - A method for determining an incline angle of electromagnetic pointer is disclosed. The method comprises the following steps. First of all, an electromagnetic input pen/stylus is provided over antennas X | 11-17-2011 |
| 20110279412 | SCANNING METHOD FOR DETERMINING A TOUCH POSITION OF A TOUCH INPUT APPARATUS - A scanning method for determining the touch position of a touch input apparatus is disclosed. First of all, a first exposure process on light sensors of the touch input apparatus by light emitting device of the touch input apparatus is performed. Then the light sensors are scanned. A light sensor generating a signal with a maximum value is located. A region of partial scan of the light sensors is determined according to the position of the light sensor generating the signal with the maximum value. A second exposure process is performed on the light sensors. Then the light sensors within the region of partial scan are scanned. A light sensor generating a signal with a maximum value within the region of partial scan is located and a next region of partial scan is determined. The maximum value of the signal is calculated and the maximum value of the signal is compared to a predetermined value to determine whether the maximum value is higher than the predetermined value. | 11-17-2011 |
| 20110267292 | METHOD FOR SIMULTANEOUSLY OPERATING MULTIPLE POINTERS ON ELECTROMAGNETIC POSITION DETECTION APPARATUS - A method for simultaneously operating multiple pointers on an electromagnetic position detection apparatus is disclosed. The method comprises the following steps. First of all, at least one pointer is provided on the electromagnetic detecting apparatus. Next a scanning process is performed to determine whether a first pointer is recognized. Then if the first pointer is recognized, an electromagnetic power with frequency A is emitted and an electromagnetic signal of the first pointer is received. Next the coordinate of the first pointer is calculated. Next a scanning process is performed to determine whether a second pointer is recognized. Then if the second pointer is recognized, an electromagnetic power with frequency B is emitted and an electromagnetic signal of the second pointer is received. Finally, the coordinate of the second pointer is calculated and the above mentioned steps are repeated. | 11-03-2011 |
| 20110227588 | LAYOUT FOR ANTENNA LOOPS HAVING BOTH FUNCTIONS OF CAPACITANCE INDUCTION AND ELECTROMAGNETIC INDUCTION - The present invention relates to a layout for antenna loops having both functions of capacitance induction and electromagnetic induction, and particularly relates to the layout for antenna loops having both functions of capacitance induction and electromagnetic induction, wherein the capacitance detection elements are integrated with the antenna loops. In this layout for antenna loops, each of the antenna loops therein is separated into three sections, and there are several geometric structures fabricated in two of these sections. These geometric structures are capacitance detection elements. Therefore, the two sections are directly fabricated to be the capacitance detection elements because of these geometric structures. By this way, the antenna loops can be integrated with the capacitance detection elements and the capacitance detection elements do not prevent the antenna loops from receiving the electromagnetic signals. | 09-22-2011 |
| 20110214923 | LIGHT WEIGHT AND FULL PLANAR ELECTROMAGNETIC DIGITIZER - A light weight and full planar electromagnetic digitizer is disclosed. The electromagnetic digitizer comprises a upper board, a lower board, a circuit board and an antenna board and a cushion board. The circuit board has at least one electronic device to control the antenna board to transmit or receive electromagnetic signals and process received electromagnetic signals. The cushion board has at least one hole or cave to accommodate the electronic device. The circuit board, the antenna board and the cushion board are stacked between the upper board and the lower board. | 09-08-2011 |
| 20110193825 | Electromagnetic Inductive System with Multi-Signals and Processing Method for Multi-Signal - The present invention relates to an electromagnetic inductive system with multi-signals and processing method for multi-signals, and particularly relates to an electromagnetic inductive system capable of identifying frequencies with multi-signals and method capable of identifying frequencies by applying processing method for multi-signals. In the electromagnetic inductive system of the present invention, a position calculating circuit and a pressure calculating circuit are integrated into a multi-signals process circuit. Therefore, the elements and the cost of the electromagnetic inductive system are reduced. Furthermore, it is not necessary to calculate the pressure accurately because the processing method for multi-signals is applied for calculating pressure and selecting functions. Therefore, the method for calculating pressure and selecting functions are simplified and improved. | 08-11-2011 |
| 20110175854 | ELECTROMAGNETIC POINTER - An electromagnetic pointer is disclosed. The electromagnetic pointer comprises a pen holder assembly, a circuit board, a metal rod, a ferrite core with coils and a trigger device. The diameter of the pen holder assembly is less than 6 mm. The circuit board comprises a resonance circuit. The metal rod has a low permeability. The ferrite core with coil constitutes an inductor and the coil electrically connects to the circuit board through a conductive wire to complete the resonance circuit. The ferrite core has a hollow center so that the metal rod can move through to trigger the trigger device and change electric properties of the resonance circuit. | 07-21-2011 |
| 20110157032 | Writing Apparatus with Electronic Soft Pen Brush - A writing apparatus with electronic soft brush pen is disclosed herein. The writing apparatus includes an electronic soft pen brush, an all point addressable (APA) touch panel, a scanning circuit and a controlling circuit. The electronic soft pen brush is configured to generate a plurality of touch points on the touch panel simultaneously. The scanning circuit is configured to detect the touch positions of the touch points simultaneously. The controlling circuit is configured to determine the touch region, the touch area and size and generate an output signal in accordance with the touch region, the touch area and the touch positions. | 06-30-2011 |
| 20110090171 | Integrated Substrate and Display with Electromagnetic Sensor Loop - The present invention relates to an integrated substrate and display with electromagnetic sensor loop, and particularly relates to a TFT/CF array substrate and flat display with electromagnetic sensor loop. In the present invention, electromagnetic sensor loop is formed on one substrate of a display panel for getting the integrated substrate with electromagnetic sensor loop. The integrated substrate with antenna loop has both a function of a detecting board and a function of one substrate of the display panel, for example a function of a TFT/CF array substrate. Therefore, a display panel or a display having electromagnetic inputting function can be fabricated by the integrated substrate without additional detecting board and digitizer tablet | 04-21-2011 |
| 20110084942 | Data Processing Method and System with Multiple Input Units - Data processing method and system with multiple input units are disclosed. The method comprises the following steps. First of all, a plurality of antenna boards which are partially overlapped and form an integration antenna board with multiple regions are provided. Then signals from the antenna boards are processed through signal processing units corresponding to the antenna boards, and the processed signals are transmitted to an integration processing unit. Finally, the processed signals are integrated and processed via the integration processing unit and integrated signals of the integration antenna board are outputted. | 04-14-2011 |
| 20110084846 | Electromagnetic Whiteboard Pen - An electromagnetic whiteboard pen is disclosed, and particular an electromagnetic whiteboard pen capable of inking and digital inputting simultaneously is disclosed. The electromagnetic whiteboard pen has a marker for writing with ink and a coil for emitting electromagnetic signals. When user writes on an electromagnetic whiteboard by the marker, the coil emitting electromagnetic signals simultaneously. The electromagnetic whiteboard senses the electromagnetic signals to find and record the position and the moving of the electromagnetic whiteboard pen. Therefore, the writing on the electromagnetic whiteboard by inking can be record and converted to be digital signals for storing by the electromagnetic whiteboard when the electromagnetic whiteboard pen writes on the electromagnetic whiteboard. | 04-14-2011 |
| 20110083912 | Electromagnetic Whiteboard Eraser - An electromagnetic whiteboard eraser is disclosed, and particular an electromagnetic whiteboard eraser capable of erasing both of the writing written by ink and the writing inputted by electromagnetic induction simultaneously. The electromagnetic whiteboard eraser has an ink eraser for erasing the writing written by ink and a coil for emitting electromagnetic signals. An electromagnetic whiteboard defines an erasing area for erasing the writing inputted by electromagnetic induction by defining the position of the coil to be the center of the erasing area and defining the diameter or radius of the ink eraser to be the diameter or radius of the erasing area after the electromagnetic whiteboard induces the electromagnetic signals emitted by the coil. The coil is deposed on the place corresponding to the center of the ink eraser. Therefore, the erasing area and the ink eraser are matched together completely and the writing inputted by electromagnetic induction can be erased by the electromagnetic whiteboard eraser simultaneously when the writing written by ink is erased by the ink eraser. | 04-14-2011 |
| 20110080378 | Eraser System - The present invention relates to an eraser system, and particularly relates to an independent eraser system for the digitizer coordinate system. The independent eraser system for the digital coordinate system is separated from the digitizer pen, and thus, the independent eraser system and the digitizer pen can be operated independently and simultaneously. The independent eraser system comprises an erasing function circuit and the erasing function circuit comprises a power supplier for providing the electric energy, an oscillating circuit for providing the electric signals and a converter for converting the electric signals into magnetic signals. | 04-07-2011 |
| 20110080249 | Layout For Inductive Loops Of The Electromagnetic-Induction System - The present invention relates to a new layout for inductive loops of the electromagnetic-induction system, and particularly relates to a new layout for inductive loops of the electromagnetic-induction system which can be integrated with another type of input system. The inductive loop structure of the layout for inductive loops of the electromagnetic-induction system comprises a plurality of | 04-07-2011 |
| 20110036648 | Notebook Mountable Hand Writing Memory System - A notebook mountable hand writing memory system is disclosed, and particular disclosed a notebook mountable tablet. In the notebook mountable hand writing memory system, a top protective layer, a sensing board and a bottom protective layer is assembled to form the writing member of the notebook mountable hand writing memory system for reducing the weight and the thickness of the notebook mountable hand writing memory system. Therefore, the notebook mountable hand writing memory system has the characteristics of low fabricating cost, low weight, and thinner thickness. Furthermore, a plurality of through holes are provided on the writing member for integrating the notebook mountable hand writing memory system with a conventional notebook. Therefore, the information written on the paper of the conventional notebook can be digitized and stored by the notebook mountable hand writing memory system. | 02-17-2011 |
| 20110007024 | Whiteboard and Method for Orientation Thereof - The present invention relates to a whiteboard and method for orientation thereof, and particularly relates to an electromagnetic-and-interactive whiteboard with a battery-free pointer device and method of the electromagnetic-and-interactive whiteboard for finding the position of the battery-free pointer device. A plurality of signal handling devices are provided in the whiteboard for controlling the antenna boards of the whiteboard to emit electromagnetic power respectively. By this way, the antenna boards do not interfered with each other and the battery-free pointer device can be located precisely without deviation. Furthermore, the electromagnetic power provided by the antenna boards is applied to instead of a battery in battery-free pointer device for providing the power to the battery-free pointer device. The electromagnetic power provided by the antenna boards is used to be the power of the battery-free pointer device for emitting electromagnetic signals. As consequence of this structure of the battery-free pointer device of the whiteboard, the whiteboard of the present invention can meet the demand for environmental protection and more practicability. | 01-13-2011 |
| 20110007001 | Dual Mode Input Device - An embodiment of the present invention discloses an input device, which comprises an electromagnetic input unit for inputting by a stylus pen, a touch input unit for inputting by fingers or pen, a first micro controller for controlling the electromagnetic input unit, a second micro controller for controlling the touch input unit, and a major controller for controlling the first and second micro controller. | 01-13-2011 |
| 20110000720 | Flexible Tablet - A flexible tablet is disclosed, and particular disclosed a flexible tablet having both of a hard housing structure and a soft housing structure. The flexible tablet fix a control board in the hard housing structure for preventing the control board form bending and break resulting from external force. In the flexible tablet, the soft housing structure is applied instead of the hard housing of a conventional tablet to fix a sensing board therein. Therefore, the soft housing structure and the sensing board are integrated to form a flexible writing member of the flexible tablet. As a consequence of foregoing structure, the tablet is flexible and convenient to be stored and carried, and the cost of the tablet is reduced. | 01-06-2011 |
| 20100295826 | Inputting Device for Handwriting System - An embodiment of the present invention provides a stylus as an inputting device of a handwriting system. The stylus comprises a jog ball, a signal emitting circuit for emitting electromagnetic waves, an resonant circuit for determining the frequencies of the emitting electromagnetic waves, and a button and ball circuit that comprises a pair of sensing units respectively arranged at up and down side of the jog ball for tracking the rolling of the jog ball. | 11-25-2010 |
| 20100271345 | Electronic White Board Capable of Printing Partial Data Thereon - The present invention relates to an electronic white board capable of printing partial data thereon, and particularly relates to a non-interactive white board capable of printing partial data thereon. The electronic white board comprises a writing area for inputting the data to the electronic white board by writing, a selecting device for selecting the part of the data on the writing area to be printed, and a defining device for defining which part on the writing area is selected by the selecting device. In the present invention, the defining device defines a rectangle zone, a circle zone, an elliptical zone or a polygonal zone on the writing area for printing by inputting one or more points or lines with the selecting device. | 10-28-2010 |
| 20100271323 | Soft Digital Tablet - A soft digital tablet is disclosed. The soft digital tablet comprises a soft case, an antenna board and a control circuit board. The antenna board and the control circuit board induct and process electromagnetic signal from a digital pen, and transmit the processed electromagnetic signal to a host via a transmission line. | 10-28-2010 |
| 20100271300 | Multi-Touch Pad Control Method - A multi-touch pad control method is disclosed. The method comprises the following steps. First of all, a primary cursor is detected. Then a first touch motion is detected, if there is no first touch motion, primary cursor is re-detected. Next a secondary cursor is detected if there is a first touch motion. Then a second touch motion is detected. A first function is performed if there is no second touch motion. A first direction of the second touch motion is detected, if the second touch motion controlling the secondary cursor is detected. A second function is performed if the second touch motion is toward first direction. A second direction of the second touch motion is detected, if the second touch motion is not toward the first direction. A third function is performed if the second touch motion is toward the second direction, wherein the first function is performed if the second touch motion controlling the secondary cursor is detected and the second touch motion is neither toward the first direction nor the second direction. | 10-28-2010 |
| 20100270090 | Electromagnetic Input Apparatus - An electromagnetic input apparatus is disclosed. The electromagnetic input apparatus comprises an electromagnetic sensor board and an input pen. The input pen has a horizontal arranged ferrite core and a coil. The electromagnetic sensor board has a plurality of antenna loops. Each row and column have a plurality of antenna loops, and each antenna loop surrounds a region so as to divide the electromagnetic sensor board into a plurality of regions. | 10-28-2010 |
| 20100263945 | Rechargeable Electromagnetic Pen - A rechargeable electromagnetic pen is disclosed. The rechargeable electromagnetic pen comprises a rechargeable and storable electrical power source system, an electrical power receiving terminal and a signal transformation circuit. The electrical power source system provides the rechargeable electromagnetic pen with electrical power for emitting electromagnetic signal to an array of antenna loops of a digital tablet. The electrical power-receiving terminal receives electrical power signal generating from electric energy transformation and transmission between the electrical power receiving terminal and a charge site. The signal transformation circuit processes and transforms the electrical power signal and charges the electrical power source system. | 10-21-2010 |
| 20100238073 | Electromagnetic Input LCD Monitor - An electromagnetic input LCD monitor is disclosed in this invention. The electromagnetic input LCD monitor includes a back frame and a film antenna module. The back frame has at least one opening. The film antenna module includes a film antenna plate and a signal receiving module. The film antenna plate is disposed on a surface of the back frame; the signal receiving module is disposed on the other surface of the back frame. The film antenna plate has a wiring portion which is connected with the signal receiving module through the opening. | 09-23-2010 |
| 20100207893 | Tablet and Coordinate Computation Circuit Thereof - The present invention discloses a space-bound-free tablet and its coordinate determining circuit for determining a coordinate of a stylus pen. The coordinate is computed by the coordinate determining circuit in which first voltage, a second voltage, and a third voltage is obtained, where the first voltage equals the maximum detection voltage, the second voltage and third voltage are obtained from two antennas, and both of the two antennas are at the same side of the antenna that induces the maximum detection voltage. | 08-19-2010 |
| 20100206644 | Electromagnetic Induction Handwriting System and Coordinate Determining Method Thereof - The present invention discloses an electromagnetic induction handwriting system and its single side coordinate determining method for determining a coordinate of a stylus on a handwriting apparatus. The coordinate is computed by a first voltage, a second voltage, and a third voltage, where the first voltage equals the maximum detection voltage, the second voltage and the third voltage are obtained from two antennas, and both of the two antennas are arranged at the same side of the antenna that induces the maximum detection voltage. | 08-19-2010 |
