34 results about "Digital writing" patented technology

A digital writing system according to one embodiment of the present invention captures handwritten gestures in addition to text and patterns. It may include, among other things, a digital pen, special erasable ink and paper, and application software for the managing of captured files with a corresponding user interface. A digital pen according to one embodiment of the present invention may include character recognition subsystem, function control subsystem with selection mechanisms, a processor subsystem, memory subsystems, and wired or wireless communication subsystems. In addition, embodiments of a digital pen according to the present invention may include additional functional features including, for example, a user notification (e.g., alarm) feature, a digital camera feature, voice recording and recognition features, calendar features, calculator features, biometric sensor features, and the like.

A Micro Inertial Measurement Unit (IMU) which is based on MEMS accelerometers and gyro sensors is developed for real-time recognition of human hand motions, especially as used in the context of writing on a surface. Motion is recorded by a rate gyro and an accellerometer and communicated to a Bluetooth module, possibly to a computer which may be 20 to 30 feet or more from the sensor. The motion information generated and communicated is combined with appropriate filtering and transformation algorithms to facilitate a complete Digital Writing System that can be used to record handwriting on any surface, or on no surface at all. The overall size of an IMU can be less than 26 mm×20 mm×20 mm, and may include micro sensors, a processor, and wireless interface components. The Kalman filtering algorithm is preferably used to filter the noise of sensors to allow successful transformance of hand motions into recognizable and recordable English characters. The immediate advantage is the facilitation of a digital interface with both PC and mobile computing devices and perhaps to enable wireless sensing.

A Micro Inertial Measurement Unit (IMU) which is based on MEMS accelerometers and gyro sensors is developed for real-time recognition of human hand motions, especially as used in the context of writing on a surface. Motion is recorded by a rate gyro and an accellerometer and communicated to a Bluetooth module, possibly to a computer which may be 20 to 30 feet or more from the sensor. The motion information generated and communicated is combined with appropriate filtering and transformation algorithms to facilitate a complete Digital Writing System that can be used to record handwriting on any surface, or on no surface at all. The overall size of an IMU can be less than 26 mm×20 mm×20 mm, and may include micro sensors, a processor, and wireless interface components. The Kalman filtering algorithm is preferably used to filter the noise of sensors to allow successful transformance of hand motions into recognizable and recordable English characters. The immediate advantage is the facilitation of a digital interface with both PC and mobile computing devices and perhaps to enable wireless sensing.

A hand-holdable, durable digital writing and sketching device or assembly having rugged construction that houses an on-board camera with a view through an optical window of a writing surface brought in view by a user moving the device. The device is rugged, sealed, and is capable of withstanding dropping, water submersion, abrasive incursions, and resistance to chemical and fungal degradation. The optical window and optic channel to the camera is protected by a durable and replaceable light-transmitting shield that provides a sealed barrier to the environmental elements harmful to the functioning of the device. The writing and sketching device oscillates between a stowed and a deployed state. The deployed state includes the camera being in view the writing surface and the stowed state includes the camera being either masked from viewing the writing surface or aimed internally from viewing the writing surface. Other versions of the digital writing and sketching device include replaceable styli and pens that are removable and interchangeable with a sealed chamber in the device. The stylus point or pen ends are substantially in view of the on-board device camera. Signal transmissions communicated from the digital writing and sketching device convey pressures experienced by the inserted stylus or pens and are represented in proportion to a microprocessor based display that conveys changing field of view experienced by the on-board camera.

Facilitating digital writing on a tablet screen includes providing a viewing screen corresponding to the tablet screen, superimposing on the viewing screen an authoring screen for a user to provide digital writing, the authoring screen being a magnified portion of the viewing screen, showing a mapping portion on the viewing screen, where the mapping portion corresponds to the portion of the viewing screen being magnified into the authoring screen, and projecting on to the viewing screen writing entered by the user in the authoring screen. The authoring screen is semi-transparent and writing and the mapping portion on the viewing screen are viewable through the authoring screen. The authoring screen may be superimposed over an entirety of the viewing screen. Writing provided on the viewing screen may be presented as faded strokes. A user may pan the authoring screen to facilitate entering writing into different parts of the viewing screen.

A digital paper-enabled system includes a spreadsheet printed on digital paper and usable with a digital writing instrument, such as a digital pen. A method of using the system includes (1) designing a digital paper-enabled spreadsheet with a spreadsheet integration module; (2) printing the designed spreadsheet to receive writing from a digital pen (3) uploading data from the digital pen to a processing system; (4) reviewing the uploaded data using a display device associated with the processing system; and (5) storing the uploaded data, which may include exporting one or more portions of the uploaded data to another display or processing system.

The invention discloses a digital writing practicing method and system. The method comprises the following steps: S1, constructing a character pattern file base including character patterns, strokes,and stroke orders of characters; S2, extracting a character from the character pattern file base and displaying the character on a display interface; and S3, carrying out writing based on a characterorder, acquiring writing data of the stroke order by the user, and carrying out scoring based on a standard stroke order of the character; or furthermore, repeating writing of the stroke order when the score is lower than a preset threshold. Therefore, the writing stroke order of the Chinese character is guided and the writing of the user is evaluated; and thus the user is guided to practice the strokes that are not written well repeatedly, so that the user writes the Chinese character rapidly.

A method and apparatus is put forth in this unique invention that together transform readily available consumer eReaders, such as various models of Amazon Kindles and the Barnes and Nobel Nook, into repurposed digital learning devices which can then also serve as digital writing platforms for children and others to write on digital workbooks and other learning content of the inventor's design, covered in previous patent applications, as appended hereto. The various embodiments of Space Cases, Writing Shields and the Micro Eraser device described herein provide a new family of tutoring apparatuses, along with a unique set of learning methodologies that result in transforming standard off-the-shelf eInk-based eReaders, into low-cost and effective 21st century digital learning tools for our young children to use before, during and after school, as well as at home or while traveling, to enhance and to improve their learning experience and their mastery of the learning content presented by using handwriting in digital form.

A method and apparatus for objectively rating users of a collaborative writing system forms an online group having a plurality of members, and assigns one or more roles to each of the members within the group. One or more members of the group produce at least one digital writing within the online group. The method then monitors online activity of each member in the group with regard to 1) other users of the system and 2) the digital writing(s) produced by the one or more members, and calculates, for each member, a numerical influencer score for each assigned role as a function of the monitored online activity. The influencer score indicates the influence of the member in each assigned role within the group.

The invention discloses a processing method which is suitable for an electronic device having an interactive display screen. The electronic device is provided with a display screen which has a digitalwriting board and a touch control panel. The processing method comprises: judging whether the digital writing board senses a digital pen; and carrying out a first specific act on the touch control panel when the digital writing board senses the digital pen. The invention can avoid the digital writing board and the touch control panel from simultaneously generating an input signal on a touch act,and saving element cost.

A digital pen includes a housing, a refill, a camera module, a controller, a memory, and an information transmission module. The housing includes an end. The refill is received in the housing and includes a tip capable of extending out of the end for writing on a writing medium. The camera module includes a lens, an image sensor and a processor. The image sensor captures images of the tips on the writing medium through the lens. The processor analyzes the images to obtain positions of the tips on the writing medium and to obtain a track of the tip. The controller is connected to the refill and the camera module, and controls the camera module to capture the images when the refill is pressed. The memory stores the track of the tip. The information transmission module transmits the track of the tip to a user terminal.

The invention discloses an electronic brush modeling method based on texture learning. The method comprises the following steps of: inputting a writing stroke on a digital writing pad by a user, and storing the writing stroke in a mode of a data structure with a plurality of discrete points; taking the discrete points as framework points of the writing stroke, and generating two groups of corresponding edge profile points on the two sides of the framework points according to writing physical strength of each framework point; fitting the two groups of profile points by using a spline curve, and forming a line profile of the stroke; learning real brush calligraphy texture by methods of a neural network and a fuzzy logic, and obtaining a gray value sequence of the calligraphy texture; and filling inner sides of the profile of the stroke according to the obtained gray value sequence and finally obtaining brush calligraphy work. By adoption of the methods of the neural network and the fuzzy logic, real brush calligraphy texture can be obtained, so that the finally-obtained brush stroke is realistic and lifelike, and the speed of computer processing is high.

A magnetic disk drive and a write current control method are provided in which stable writing can always be carried out at the time of information writing without being subject to a thermal effect due to a write current. In the magnetic disk drive using a write head for writing a signal to a magnetic disk, it is determined when the signal writing is started, and upon determination of the start of the signal writing, a write current supplied to the write head is set in such a manner that the write current is large at the start of the signal writing and thereafter becomes smaller than that at the start of the signal writing.

The invention provides a digital pen and a digital writing module. The digital writing module comprises a writing medium and the digital pen. A plurality of identification points are distributed on the writing medium so as to identify every position of the writing medium. The digital pen comprises a casing, a pen refill, a camera module, a control device, a memory and an information transmission module, wherein the camera module is used for shooting an image of a moving track of a tip of the pen refill, and the control device is connected with the pen refill and the camera module. A processor of the camera module can identify the position of the tip according to the image obtained through a lens and an image sensor, and accordingly moving track information of the tip is obtained. The control device is used for controlling the camera module to shoot the image when sensing writing pressure of the pen refill. The memory is used for storing the tip moving track information obtained by the processor. The information transmission module is used for transmitting the tip moving track information to a user terminal.

A hand-holdable, durable digital writing and sketching device or assembly having rugged construction that houses an on-board camera with a view through an optical window of a writing surface brought in view by a user moving the device. The device is rugged, sealed, and is capable of withstanding dropping, water submersion, abrasive incursions, and resistance to chemical and fungal degradation. The optical window and optic channel to the camera is protected by a durable and replaceable light-transmitting shield that provides a sealed barrier to the environmental elements harmful to the functioning of the device. The writing and sketching device oscillates between a stowed and a deployed state. The deployed state includes the camera being in view the writing surface and the stowed state includes the camera being either masked from viewing the writing surface or aimed internally from viewing the writing surface. Other versions of the digital writing and sketching device include replaceable styli and pens that are removable and interchangeable with a sealed chamber in the device. The stylus point or pen ends are substantially in view of the on-board device camera. Signal transmissions communicated from the digital writing and sketching device convey pressures experienced by the inserted stylus or pens and are represented in proportion to a microprocessor based display that conveys changing field of view experienced by the on-board camera.

A computer-implemented method for assisting a writer in organizing and writing a paper with citations includes providing a graphical user interface through which the writer interacts with a plurality of modules configured to generate the paper with automatically applied citations.

A digital pad includes a paper placement surface, a sensing array, a processor and a power supply. The paper placing surface is used for placing a piece of paper. The sensing array is arranged under the paper placing surface, and senses the pressure on the paper placing surface to generate a sensing result. When the paper is placed on the paper placing surface, the processor obtains the weight of the paper according to the sensing result of the sensing array. When the user writes on the paper, the processor processes the sensing result of the sensing array according to the weight of the paper to obtain and record a writing track. The power supply is used to supply power to the sensing array and the processor. Because the user puts paper on the digital pad to write on the digital pad of the present invention, the user can use any type of pen according to his own habits. In addition, the digital pad only needs to record the writing track, and does not need to display any text or patterns, so the digital pad does not consume too much power.

The invention discloses a pressing and raising induction-based digital writing and drawing realization method. The method comprises the steps of reading drawing handwriting data in a process from pressing of a handwriting input device for drawing to raising for stopping drawing; dividing a read drawing handwriting into a plurality of stroke sections, then determining corresponding stroke section features and a main stroke section direction, and determining samples corresponding to drawing strokes of a user through a pre-established sample library; and according to sampling data of the samplesand a track path of the drawing strokes, drawing the drawing strokes of the user on a screen. The invention furthermore discloses a pressing and raising induction-based digital writing and drawing realization apparatus. The method and the apparatus have the beneficial effects that by collecting various parameters input by a writing and drawing pen and combining the parameters with a pre-stored stroke shape database, the handwriting similar to writing and drawing of a real drawing pen is obtained and presented in front of the eyes of the user, so that the purpose that what you draw is what youget is achieved, the user experience is improved, pigments and paper are saved, environmental writing and drawing are realized, preparation and tidying time before and after writing and drawing is shortened, and writing and drawing efficiency is improved.

The invention provides a digital teaching method for practical writing of Chinese characters. The method comprises the following steps of using the similarity of brushstroke variation rule of strokes and components of practical writing of Chinese characters including figures with similar variation as basic components for practical writing practice of Chinese characters, and using the basic components and combining the writing tips to analyze and explain the composition of the practical writing of the Chinese characters, thereby forming the teaching method of the practical writing practice of Chinese characters. Combined with a digital practice board, a copy-book and a digital writing compliance system, the teaching practice can be realized through simple and repeated digital brushstroke trails; with the adoption of the numerical reading promotion principle and muscle memory principle, the fast and flexible writing relationships among fingers, wrist and arm can be realized; the practical writing essentials of Chinese characters can be mastered; the complex and hard-to-master practical writing practice of Chinese characters can be simplified and digitalized, thereby reaching the purposes of writing well and normatively.

An integrated digitizing tablet and display apparatus 200 is disclosed. The digitizing tablet portion 100 of the apparatus is comprised of an array of magnetic random access memory (MRAM) cells 212, wherein each MRAM cell 212 is responsive to an externally applied magnetic field 112. Each memory cell 212 has a magnetic bit that changes orientation upon application of an externally applied magnetic field to produce an electrical signal based on the orientation of the bit when a second field to produce an electrical signal based on the orientation of the bit when a second electric field is applied across the array. The display 104 is comprised of an array of pixel cells 216 and each pixel cell 216 is coupled to one of the MRAM cells 212. The MRAM cell 212 activates the pixel cell 216 by the electrical signal produced by the MRAM cell 212. Thus, what is achieved is an integrated digitizing tablet and display 200 that has digitizing cells 212 that directly control the display cells 216 without the need for additional processors.

A digital writing system for providing handwritten information to a computer system application is disclosed. The digital writing system can comprise an electronic display and a digital writing and scanning device capable of detecting its position based on a position-coding pattern. This position-coding pattern is superimposed on the surface of the electronic display.

A method is designed for recording data on a recordable area of an optical disk by irradiating thereto an optical beam having a writing power effective to write the data in the recordable area including a non-recorded area which is blank and a recorded area which is recorded with old data. The method is performed by the step of performing either of an initial writing operation or an overwriting operation for recording of new data on the optical disk, the initial writing operation irradiating the optical beam onto the non-recorded area to initially write the new data, the overwriting operation irradiating the optical beam onto the recorded area to write the new data over the old data, and the step of controlling to change the writing power of the optical beam between the initial writing operation and the overwriting operation so as to secure the recording of the new data in both of the initial writing operation and the overwriting operation.

The invention discloses a power equipment model feature matching method based on Ternary Search Trie, which comprises the following steps: a, storing professional power equipment names in a ternary dictionary lookup tree by using a recursion method, and establishing a professional power lexicon; b, carrying out word segmentation operation on electric power language skills in the electric power professional lexicon, and carrying out unified number writing; and c, calculating the semantic similarity of the power equipment model features based on the word segmentation effect. According to the power equipment model feature matching method based on Ternary Search Trie, the ternary query dictionary tree is selected, so that the method has the advantages of high storage efficiency and high queryspeed. The equipment names are subjected to digital writing unification, and a power equipment named entity recognition function is achieved. The word order and the similarity between the Arabic numerals and the special characters are considered, the method is suitable for solving the similarity calculation problem of unconventional equipment numbers.

The invention concerns a device for a digital writing instrument. The device comprising a substrate with a transparent or translucent layer and a pattern layer on the transparent layer.The pattern comprising an active area made with photoluminescent material and an inactive area made with non photoluminescent material. The photoluminescent material comprises a successive alternate of a first layerand a second layer generating photoluminescent structure at the interface of said first layer and said second layer, the pattern layer comprises a series of N points distributed in a plan (X,Y), either said N-points define the active area whereas the inactive area is defined by the area between said N points. The N-points defines the inactive area whereas the active area is defined by the area between said N points.The invention also relates to a method for determining a position, a method for manufacturing, a system and a stylus.

The invention belongs to the field of computers, and particularly relates to a real-time feedback and judgment method for digital writing practice of children, which comprises the following steps: inputting handwritten digits to be recognized; identifying a written specific number by using a convolutional neural network; performing skeleton extraction on handwritten digits; according to the skeleton, extracting the features of the handwritten numbers; the handwritten numbers are judged according to the judgment rules of the specific numbers and the characteristics of the handwritten numbers; and outputting the evaluation result of the digital writing quality. According to the invention, the practice of digital writing can be realized only by equipping a mobile phone or a computer with basic interaction equipment, such as a touch screen or a digital panel, the method is very convenient and rapid, and the learning interestingness and learning efficiency can be improved.

The invention discloses an electronic brush modeling method based on texture learning. The method comprises the following steps of: inputting a writing stroke on a digital writing pad by a user, and storing the writing stroke in a mode of a data structure with a plurality of discrete points; taking the discrete points as framework points of the writing stroke, and generating two groups of corresponding edge profile points on the two sides of the framework points according to writing physical strength of each framework point; fitting the two groups of profile points by using a spline curve, and forming a line profile of the stroke; learning real brush calligraphy texture by methods of a neural network and a fuzzy logic, and obtaining a gray value sequence of the calligraphy texture; and filling inner sides of the profile of the stroke according to the obtained gray value sequence and finally obtaining brush calligraphy work. By adoption of the methods of the neural network and the fuzzy logic, real brush calligraphy texture can be obtained, so that the finally-obtained brush stroke is realistic and lifelike, and the speed of computer processing is high.

The invention discloses the digital writing ink and the preparing method, the component percentage by weight is: pigment 5-15%, pigment dispersant 2-5%,adjuvant 6-16%, penetrant 0.4-1.3%, pH modifier 0.5-1.8%, ultraviolet absorbent 0.3-0.9%, bactericidal agent 0.3-1.5%, carboxymethyl cellulose 0.005-0.1%, polyvinyl pyrrolidon 1-7%, non-ionic surface active agent 0.6-1.8%; and the residual is water. The digital writing ink is characterized by the natural and bright colour, good stability, strong staining power, the cleaning function to the injector, and the insoluble granule size is much smaller than the injector size and the injectionis smooth; the printed picture and character is indiffusible, incurable, resistant to ultraviolet radiation, fastness; the product is suitable for kinds of color printer and can be filled in endless form, which saving the stock and decreasing the print cost.