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1. CN107066153 - Intelligent flexible liquid crystal blackboard capable of realizing one-key erasing and local erasing

Office China
Application Number 201710266065.4
Application Date 21.04.2017
Publication Number 107066153
Publication Date 18.08.2017
Publication Kind A
IPC
G06F 3/042
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
042by opto-electronic means
G06F 3/041
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 3/14
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
14Digital output to display device
B43L 1/08
BPERFORMING OPERATIONS; TRANSPORTING
43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
LARTICLES FOR WRITING OR DRAWING UPON; ACCESSORIES FOR WRITING OR DRAWING
1Repeatedly-usable boards or tablets for writing or drawing
04Blackboards
08flexible
CPC
G06F 3/0412
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
0412Digitisers structurally integrated in a display
B43L 1/08
BPERFORMING OPERATIONS; TRANSPORTING
43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
LARTICLES FOR WRITING OR DRAWING UPON; ; WRITING OR DRAWING AIDS;; ACCESSORIES FOR WRITING OR DRAWING
1Repeatedly-usable boards or tablets for writing or drawing
04Blackboards
08flexible
G06F 3/0416
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
0416Control or interface arrangements specially adapted for digitisers
G06F 3/0421
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
042by opto-electronic means
0421by interrupting or reflecting a light beam, e.g. optical touch-screen
G06F 3/1454
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
14Digital output to display device ; ; Cooperation and interconnection of the display device with other functional units
1454involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
G06F 2203/04102
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
2203Indexing scheme relating to G06F3/00 - G06F3/048
041Indexing scheme relating to G06F3/041 - G06F3/045
04102Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper
Applicants SHENZHEN PINGROU TECHNOLOGY CO., LTD.
Inventors HUANG HUAJIE
Title
(EN) Intelligent flexible liquid crystal blackboard capable of realizing one-key erasing and local erasing
(ZH) 一种可实现一键擦除和局部擦除的智能柔性液晶黑板
Abstract
(EN)
The invention provides an intelligent flexible liquid crystal blackboard capable of realizing one-key erasing and local erasing. The blackboard comprises a shell, an infrared touch screen and a flexible writable liquid crystal screen of which the shape is matched with the shape of the infrared touch screen, wherein the infrared touch screen comprises a border, a PCB (Printed Circuit Board) control board arranged in the border, and a main control panel arranged on the lower part of the boarder; and the surface of the main control panel is provided with a network state lamp, a work indication lamp, a power-on indication lamp, a battery electric quantity lamp, a saving key, an erase key and a power key and also comprises a main control chip, a power, a boosted circuit unit, a voltage stabilizing circuit unit, a memory, an SD (Secure Digital) card, a wireless transmitting unit, a 74HC595 chip and a bridge type driving circuit unit, wherein the main control chip, the power, the boosted circuit unit, the voltage stabilizing circuit unit, the memory, the SD card, the wireless transmitting unit, the 74HC595 chip and the bridge type driving circuit unit are arranged in the main control panel. The design has the advantages of good use effect, relatively simple structure and principle, convenience in operation, easiness in handling and relatively low energy consumption and is suitable for popularization and use on a large scale.

(ZH)
本发明提供一种可实现一键擦除和局部擦除的智能柔性液晶黑板,包括壳体、红外式触摸屏以及与红外式触摸屏形状匹配的柔性可书写液晶屏;红外式触摸屏包括边框、设置于边框中的PCB控制板以及设置于边框下部的主控制面板;在主控制面板表面设置有网络状态灯、工作指示灯、上电指示灯、电池电量灯以及保存键、擦除键和电源键;还包括设置与主控制面板中的主控芯片、电源、升压电路单元、稳压电路单元、存储器、SD卡、无线发送单元、74HC595芯片以及桥式驱动电路单元;本设计可以达到很好的使用效果,且结构以及原理相对简单,操作简易,易上手,且耗能量相对较低,适合大量推广使用。