HANWANG TECHNOLOGY CO., LTD.
|HANWANG TECHNOLOGY CO., LTD. Patent applications|
|Patent application number||Title||Published|
|20150324017||POSITION INDICATION DEVICE AND POSITION INDICATION METHOD - The present invention relates to digital circuit processing and provides a position indication device and a position indication method. In order to improve positioning accuracy of the position indication device without degrading its sensitivity, a position indication device is provided. The device comprises: a voltage dividing circuit connected with a resonant circuit and a rectifying and filtering circuit. The voltage dividing circuit obtains a predetermined proportion of a signal output from the resonant circuit and outputs it to the rectifying and filtering circuit. The present invention is applicable to digital handwriting pens.||11-12-2015|
|20140160232||APPARATUS AND METHOD FOR SCANNING AND RECOGNIZING - The present invention relates to an apparatus and a method for scanning and recognizing characters. The apparatus of scanning and recognizing characters comprises: an optical sensor for capturing images, which optical sensor carries out continuous shooting of the scanned characters in order to obtain a image frame sequence containing the scanned characters, and the content of an image frame partly overlaps the content of the previous image frame in the image frame sequence; and a control module used for processing the images and recognizing the characters. The control module divides the image frames in the image frame sequence into group of image frames including reference frames, skip frames and predictive frames according to the overlapping contents, and combines the standard frames and the predictive frames into a panorama image, taking an group of image frames as a unit, and carries out character recognition after performing skew correction based on the panorama image, so as to obtain the character codes of the scanned characters. Since the skip frames in the group of image frames can be skipped directly, the splicing speed of the image frame sequence is increased.||06-12-2014|
|20140071070||TOUCH CONTROL APPARATUS, CONTROL METHOD THEREOF AND ELECTRONIC DEVICE HAVING TOUCH CONTROL APPARATUS - A touch control apparatus, a control method thereof and an electronic device having the touch control apparatus are disclosed, which belong to the technical field of touch control. The touch control apparatus comprises: a panel (||03-13-2014|
|20130208953||HUMAN FACIAL IDENTIFICATION METHOD AND SYSTEM, AS WELL AS INFRARED BACKLIGHT COMPENSATION METHOD AND SYSTEM - A human facial identification method and system are disclosed, which belong to the mode identification technical field and intend to improve veracity of human facial identification implemented in outdoor environment. The human facial identification method includes: driving a group of infrared lamps by a high frequency pulse signal to generate infrared backlight, collecting identified human facial features in irradiation of the infrared backlight, comparing the collected identified human facial features with a human facial template to complete the human facial identification. A human facial compensation method and system are also disclosed, which are intend to improve luminance of infrared backlight. The technical solutions are mostly applied to the human image identification field.||08-15-2013|
|20120086633||Method For Measuring Distance Between Coordinate Indicator and Coordinate Input Device - The invention relates to a method for measuring a distance between a coordinate indicator and a coordinate input device, which belongs to the technical field of computer peripheral equipments. The method comprises the steps of measuring an actual amplitude of an output signal of a receiving coil in the electromagnetic induction plate by a measurement circuit in the electromagnetic induction plate; determining a distance between the coordinate indicator and the coordinate input device in accordance with the actual amplitude of the output signal, a nominal amplitude of the output signal, and a preset reference amplitude of signal. In the present invention, the distance between the coordinate indicator and the coordinate input device is determined by converting an actual amplitude of the output signal of the receiving coil at one time to a nominal amplitude of the output signal normalized by a reference amplitude of signal, which overcomes the defect of the prior art which can not indicate a distance between the coordinate indicator and the coordinate input device.||04-12-2012|
|20110199293||MULTI-ORIENTATION HANDWRITING TRACE INPUT DEVICE AND METHOD FOR ROTATING ITS COORDINATE PLANE - The present invention provides a multi-orientation handwriting trace input device and a method for rotating a coordinate plane thereof, and relates to the field of computer peripheral input devices. The device comprises a coordinate indicator and a data receiver, wherein the coordinate indicator enables trace input within a predefined coordinate plane of the data receiver. The device further comprises a data communication unit and a coordinate plane rotation unit. The data communication unit is provided the data receiver. A processor of the data receiver transfers operation state information of the data communication unit to the coordinate plane rotation unit. The coordinate plane rotation unit rotates the coordinate plane of the data receiver according to the received operation state information of the data communication unit. The present invention can be implemented in a simple and reliable way, and is easy for use by both right-handed and left-handed users. The present invention is adaptive for use at various angles and can find a wide range of applications.||08-18-2011|
|20110181717||INCLINED IMAGE CAPTURE DEVICE AND FACIAL RECOGNITION SYSTEM - An inclined image capture device is provided, comprising an inclined means and a camera lens, wherein the inclined means has an interface which forms an inclined angle to the horizontal plane, and wherein the camera lens is fixed to the interface with its axis is tilted upward. Also, a facial recognition system is provided, comprising an inclined image capture device, a facial recognition cell and an output device.||07-28-2011|
|20110179382||METHOD AND APPARATUS FOR SCROLL INFORMATION INPUT IN ELECTROMAGNETIC INDUCTION WAY - There are provided a method and an apparatus for scroll information input in an electromagnetic induction way. The method comprises steps of: definition of scroll bars, where a horizontal scroll bar and a vertical scroll bar are defined for an electromagnetic board by means of a controller of the electromagnetic board; implementation of scrolls, where virtual scrolls for the scroll bars of the electromagnetic board are achieved based on positional changes of an electromagnetic pen over the horizontal scroll bar and the vertical scroll bar of the electromagnetic board; and mapping of scrolls, where the virtual scrolls for the scroll bars of the electromagnetic board are mapped into scrolls for scroll bars in a computer by means of the controller.||07-21-2011|
|20110128362||DUAL-CAMERA FACE RECOGNITION DEVICE AND METHOD - A dual-camera face recognition device and method are disclosed. The device includes: a first camera, for capturing a face image; a second camera, arranged at a different position from the first camera, for capturing a face image; a face recognition processing unit, for receiving and recognizing the face image captured by the first camera and obtaining a first candidate set, and for receiving and recognizing the face image captured by the second camera and obtaining a second candidate set. The face recognition processing unit is also adapted to select from the first candidate set and the second candidate set a candidate object whose similarity complies with a predetermined rule as a recognition result.||06-02-2011|
|20080266260||Apparatus Having Handwriting and Mouse Input Functions - An apparatus having handwriting input and the mouse functions is an external input device of computer field. A handwriting screen is amounted inside a mouse body, and the handwriting screen is connected to a processor. An optical displacement sensor is connected to the processor or can also be located therein. USB interface unit is connected to the processor or can also be located therein. The optical displacement sensor is used to acquire relative coordinate information when the apparatus moves, and the handwriting screen is used to acquire handwriting trace information. The processor is directly connected to USB external interface of the computer through its connection or its embedded USB interface unit to establish a communication. The present invention relates to a structure of the apparatus divided into two parts, i.e. the mouse and the handwriting screen. The present invention has both the mouse and the handwriting input functions, and can implement the mouse and the handwriting input operation at any moment while employ a resistance screen to prevent influence of humidity. Its structural design is reasonable, so its operation is convenient, its bulk is small, and it can be carried conveniently.||10-30-2008|
Patent applications by HANWANG TECHNOLOGY CO., LTD.