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1. WO2021056780 - INFORMATION DISPLAY METHOD, READER, COMPUTER STORAGE MEDIUM, INK SCREEN READING DEVICE AND SCREEN PROJECTION DISPLAY SYSTEM

Publication Number WO/2021/056780
Publication Date 01.04.2021
International Application No. PCT/CN2019/119780
International Filing Date 20.11.2019
IPC
G06F 3/0488 2013.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
3Input 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
01Input arrangements or combined input and output arrangements for interaction between user and computer
048Interaction techniques based on graphical user interfaces
0487using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
0488using a touch-screen or digitiser, e.g. input of commands through traced gestures
G06F 9/451 2018.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
9Arrangements for program control, e.g. control units
06using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
44Arrangements for executing specific programs
451Execution arrangements for user interfaces
G06F 3/041 2006.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
3Input 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
01Input arrangements or combined input and output arrangements for interaction between user and computer
03Arrangements for converting the position or the displacement of a member into a coded form
041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
G06F 3/046 2006.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
3Input 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
01Input arrangements or combined input and output arrangements for interaction between user and computer
03Arrangements for converting the position or the displacement of a member into a coded form
041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
046by electromagnetic means
G09G 3/34 2006.01
GPHYSICS
09EDUCATING; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
3Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
20for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix
34by control of light from an independent source
CPC
G06F 3/041
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
3Input 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
01Input arrangements or combined input and output arrangements for interaction between user and computer
03Arrangements for converting the position or the displacement of a member into a coded form
041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
G06F 3/046
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
3Input 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
01Input arrangements or combined input and output arrangements for interaction between user and computer
03Arrangements for converting the position or the displacement of a member into a coded form
041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
046by electromagnetic means
G06F 3/0488
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
3Input 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
01Input arrangements or combined input and output arrangements for interaction between user and computer
048Interaction techniques based on graphical user interfaces [GUI]
0487using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
0488using a touch-screen or digitiser, e.g. input of commands through traced gestures
G06F 9/451
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
9Arrangements for program control, e.g. control units
06using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
44Arrangements for executing specific programs
451Execution arrangements for user interfaces
G09G 3/34
GPHYSICS
09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
3Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
20for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix ; no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
34by control of light from an independent source
Applicants
  • 掌阅科技股份有限公司 ZHANGYUE TECHNOLOGY CO., LTD [CN]/[CN]
  • 深圳市掌阅科技有限公司 SHENZHEN ZHANGYUE TECHNOLOGY CO., LTD [CN]/[CN]
Inventors
  • 程超 CHENG, Chao
  • 刘斌 LIU, Bin
  • 陶红涛 TAO, Hongtao
Agents
  • 北京市浩天知识产权代理事务所(普通合伙) HYLANDS LAW FIRM
Priority Data
201910913498.325.09.2019CN
201921614685.325.09.2019CN
Publication Language Chinese (ZH)
Filing Language Chinese (ZH)
Designated States
Title
(EN) INFORMATION DISPLAY METHOD, READER, COMPUTER STORAGE MEDIUM, INK SCREEN READING DEVICE AND SCREEN PROJECTION DISPLAY SYSTEM
(FR) PROCÉDÉ D'AFFICHAGE D'INFORMATIONS, LECTEUR, SUPPORT DE STOCKAGE INFORMATIQUE, DISPOSITIF DE LECTURE D'ÉCRAN D'ENCRE ET SYSTÈME D'AFFICHAGE DE PROJECTION SUR ÉCRAN
(ZH) 信息显示方法、阅读器、计算机存储介质、墨水屏阅读设备以及投屏显示系统
Abstract
(EN)
Disclosed are an information display method, a reader, a computer storage medium, an ink screen reading device and a screen projection display system. The information display method comprises: detecting handwriting report point data generated by a handwriting operation; modifying, according to the handwriting report point data, an interface image stored in a display cache, so that the display cache synchronizes the modified interface image to an ink screen for display; updating, according to the handwriting report point data, handwriting content drawn on a handwriting image layer in a system cache, and each time the update is completed, performing image layer synthesis processing on the updated handwriting image layer and multiple interface image layers to be displayed so as to obtain a screen projection image; and sending the screen projection image to a screen projection device, so that the screen projection device displays the screen projection image.
(FR)
L'invention concerne un procédé d'affichage d'informations, un lecteur, un support de stockage informatique, un dispositif de lecture d'écran d'encre et un système d'affichage de projection sur écran. Le procédé d'affichage d'informations consiste : à détecter des données de point de rapport d'écriture manuscrite générées par une opération d'écriture manuscrite ; à modifier, en fonction des données de point de rapport d'écriture manuscrite, une image d'interface stockée dans une mémoire cache d'affichage, de telle sorte que la mémoire cache d'affichage synchronise l'image d'interface modifiée avec un écran d'encre en vue de l'affichage ; à mettre à jour, en fonction des données de point de rapport d'écriture manuscrite, un contenu d'écriture manuscrite dessiné sur une couche d'image d'écriture manuscrite dans une mémoire cache de système, et chaque fois que la mise à jour est achevée, à effectuer un traitement de synthèse de couche d'image sur la couche d'image d'écriture manuscrite mise à jour et sur de multiples couches d'image d'interface à afficher de façon à obtenir une image de projection sur écran ; et à envoyer l'image de projection sur écran à un dispositif de projection sur écran, de telle sorte que le dispositif de projection sur écran affiche l'image de projection sur écran.
(ZH)
本发明公开了一种信息显示方法、阅读器、计算机存储介质、墨水屏阅读设备以及投屏显示系统,其中,信息显示方法包括:检测手写操作产生的手写报点数据;根据手写报点数据对显示缓存中存储的界面图像进行修改,以使得显示缓存将修改后的界面图像同步给墨水屏进行显示;根据手写报点数据在系统缓存中更新笔迹图层上绘制的手写笔迹内容,每完成一次更新后,对更新后的笔迹图层和待显示的多个界面图层进行图层合成处理,合成得到投屏图像;将投屏图像发送给投屏设备,以供投屏设备显示投屏图像。
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