CN103488354B - The synchronous electric whiteboard system of a kind of intercontrolling - Google Patents
The synchronous electric whiteboard system of a kind of intercontrolling Download PDFInfo
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- CN103488354B CN103488354B CN201310469038.9A CN201310469038A CN103488354B CN 103488354 B CN103488354 B CN 103488354B CN 201310469038 A CN201310469038 A CN 201310469038A CN 103488354 B CN103488354 B CN 103488354B
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Abstract
The invention discloses the synchronous electric whiteboard system of a kind of intercontrolling, comprise harvester and writing device, described harvester comprises control signal sending module, writes signal receiving module, hot spot acquisition module, data processing module and communication function module, and described writing device comprises control signal receiver module, writes signal transmitting module, hot spot generation module, operating mechanism, power management module and intelligent control module.The present invention utilizes the real-time communication between writing device and harvester, introduce user to start or end operation status monitoring instantaneously, and calculate comparison with present image sensor acquisition state, the reliability of hot spot is judged by series of algorithms, improve Consumer's Experience, solve the first sum of and stroke-ending position deviation, reduce equipment power dissipation.
Description
Technical field
The present invention relates to the synchronous electric whiteboard system of a kind of intercontrolling, belong to field of computer technology.
Background technology
Existing electric whiteboard system uses CMOS picture pick-up device, computing machine and related software, needs to comprise projector, computing machine and projection screen or act on other media that are equivalent and curtain during use.During electronic whiteboard work, first obtain writing device physical location information by harvester, secondly convert physical location information to coordinate information, finally coordinate information is inputted computing machine and form person's handwriting signal or operation signal.
Equipment stray light processes electronic whiteboard in real time, and writing device sends service data in work simultaneously, and harvester obtains positional information and obtains operation information to distinguish stray light and writing device simultaneously.Vertical linkage set up by writing device and harvester.When electronic whiteboard normally works, harvester collection position information and reception operation information; Harvester collects positional information simultaneously and operation information is then valid function, otherwise device is with the process of stray light mode.
Harvester processes in units of frame, and writing device is operating as random generation; Harvester and writing device do not set up communication, writing device produce operation position may at harvester current collection point place, this process can cause this to collect part operation signal, cause thus first operation or shut-down operation time position deviation; Writing device inside does not have information collection function module, and writing device must keep duty, and device power consumption is increased, and shortens device standby and service time.
Summary of the invention
For the deficiencies in the prior art, the object of the invention is to, provide a kind of intercontrolling synchronous electric whiteboard system, solve the first sum of and problem that is stroke-ending position deviation, and reduce equipment power dissipation.
For solving the problems of the technologies described above, the technical solution used in the present invention is: the synchronous electric whiteboard system of a kind of intercontrolling, comprises harvester and writing device, it is characterized in that, described harvester comprises:
To the control signal sending module that described writing device transmits control signal;
That detects that described writing device sends signal writes signal receiving module;
The hot spot acquisition module of acquisition frame signal;
The frame signal of hot spot acquisition module collection is carried out to the data processing module of computing;
Receive the communication function module of data processing module result;
Described writing device comprises:
The control signal receiver module of signal is sent for receiving described control signal sending module;
To described write signal receiving module send signal write signal transmitting module;
Produce the hot spot generation module of hot spot;
Described writing device is made to carry out the operating mechanism write;
For described writing device provides the power management module of power supply;
To described control signal receiver module, write the intelligent control module that signal transmitting module, hot spot generation module, operating mechanism and power management module control.
Further technical scheme is:
The control procedure of described harvester is:
(1) after harvester has started, control signal sending module circulation constantly send control signal, be used for waking up and controlling writing device, write simultaneously signal receiving module detecting writing device send write signal;
(2) when detecting useful signal, data processing module starts the acquisition frame signal detecting hot spot acquisition module simultaneously, if the frame signal of the operation signal of writing device and hot spot acquisition module synchronously occurs, then hot spot gathers effectively complete, data processing module then computing result is sent to communication function module;
(3) if operation signal appearance asynchronous with frame signal, then the current hot spot acquisition module of data processing module record gathers imageing sensor coordinate, comparison record imageing sensor coordinate and hot spot barycentric coordinates at the end of present frame, as the two difference reaches setting value, then this time gather hot spot effective, data processing module computing also sends to communication function module, otherwise invalid, abandons present frame image data;
(4) be uploaded to drive software according to system requirements organising data after communication function module receives the information of data processing module, produce Action Events.
The control procedure of described writing device is:
(1) writing device enters normal mode of operation, and intelligent control module detects control signal receiver module and operating mechanism simultaneously;
(2) if writing device leave operating area cause control signal receiver module to receive control signal that harvester sends reaches certain hour, writing device then controls power management module makes device enter park mode, reduce device power consumption, extension fixture service time;
(3), if writing device enters operational zone, when control signal receiver module receives control signal, device is waken up and enters mode of operation; If control signal receiver module receives the control signal that harvester sends, writing device then keeps in the operational mode, under this pattern, intelligent control module detects operating mechanism in real time, and if any operating, intelligent control module controls hot spot generation module generation hot spot simultaneously and write signal transmitting module to continue transmit operation information.
Described writing device is light pen.
The invention has the beneficial effects as follows: the present invention utilizes the real-time communication between writing device and harvester, introduce user to start or end operation status monitoring instantaneously, and calculate comparison with present image sensor acquisition state, the reliability of hot spot is judged by series of algorithms, improve Consumer's Experience, solve the first sum of and stroke-ending position deviation, reduce equipment power dissipation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the control principle block diagram of harvester of the present invention;
Fig. 3 is the control principle block diagram of present disclosure write device.
Embodiment
For disclosing technical scheme of the present invention further, describe embodiments of the present invention in detail below in conjunction with accompanying drawing: as shown in Figure 1, the synchronous electric whiteboard system of a kind of intercontrolling, comprises harvester and writing device, and described harvester comprises:
To the control signal sending module that described writing device transmits control signal;
That detects that described writing device sends signal writes signal receiving module;
The hot spot acquisition module of acquisition frame signal;
The frame signal of hot spot acquisition module collection is carried out to the data processing module of computing;
Receive the communication function module of data processing module result;
Described writing device comprises:
The control signal receiver module of signal is sent for receiving described control signal sending module;
To described write signal receiving module send signal write signal transmitting module;
Produce the hot spot generation module of hot spot;
Described writing device is made to carry out the operating mechanism write;
For described writing device provides the power management module of power supply;
To described control signal receiver module, write the intelligent control module that signal transmitting module, hot spot generation module, operating mechanism and power management module control.
As shown in Figure 2, the control procedure of described harvester is:
(1) after harvester has started, control signal sending module circulation constantly send control signal, be used for waking up and controlling writing device, write simultaneously signal receiving module detecting writing device send write signal;
(2) when detecting useful signal, data processing module starts the acquisition frame signal detecting hot spot acquisition module simultaneously, if the frame signal of the operation signal of writing device and hot spot acquisition module synchronously occurs, then hot spot gathers effectively complete, data processing module then computing result is sent to communication function module;
(3) if operation signal appearance asynchronous with frame signal, then the current hot spot acquisition module of data processing module record gathers imageing sensor (CMOS) coordinate, comparison record imageing sensor (CMOS) coordinate and hot spot barycentric coordinates at the end of present frame, as the two difference reaches setting value, then this time gather hot spot effective, data processing module computing also sends to communication function module, otherwise invalid, abandons present frame image data;
(4) be uploaded to drive software according to system requirements organising data after communication function module receives the information of data processing module, produce Action Events.
As shown in Figure 3, the control procedure of described writing device is:
(1) writing device enters normal mode of operation, and intelligent control module detects control signal receiver module and operating mechanism simultaneously;
(2) if writing device leave operating area cause control signal receiver module to receive control signal that harvester sends reaches certain hour, writing device then controls power management module makes device enter park mode, reduce device power consumption, extension fixture service time;
(3), if writing device enters operational zone, when control signal receiver module receives control signal, device is waken up and enters mode of operation; If control signal receiver module receives the control signal that harvester sends, writing device then keeps in the operational mode, under this pattern, intelligent control module detects operating mechanism in real time, and if any operating, intelligent control module controls hot spot generation module generation hot spot simultaneously and write signal transmitting module to continue transmit operation information.
The present invention utilizes the real-time communication between writing device and harvester, introduce user to start or end operation status monitoring instantaneously, and calculate comparison with present image sensor (CMOS) acquisition state, the reliability of hot spot is judged by series of algorithms, improve Consumer's Experience, solve the first sum of and stroke-ending position deviation, reduce equipment power dissipation.
More than by description of listed embodiment, the basic ideas and basic principles of the present invention are set forth.But the present invention is never limited to above-mentioned listed embodiment, every equivalent variations, the improvement done based on technical scheme of the present invention and deliberately become of inferior quality behavior, all should belong to protection scope of the present invention.
Claims (2)
1. the synchronous electric whiteboard system of intercontrolling, comprises harvester and writing device, it is characterized in that, described harvester comprises:
To the control signal sending module that described writing device transmits control signal;
That detects that described writing device sends signal writes signal receiving module;
The hot spot acquisition module of acquisition frame signal;
The frame signal of hot spot acquisition module collection is carried out to the data processing module of computing;
Receive the communication function module of data processing module result;
Described writing device comprises:
The control signal receiver module of signal is sent for receiving described control signal sending module;
To described write signal receiving module send signal write signal transmitting module;
Produce the hot spot generation module of hot spot;
Described writing device is made to carry out the operating mechanism write;
For described writing device provides the power management module of power supply;
To described control signal receiver module, write the intelligent control module that signal transmitting module, hot spot generation module, operating mechanism and power management module control;
The control procedure of described harvester is:
(1) after harvester has started, control signal sending module circulation constantly send control signal, be used for waking up and controlling writing device, write simultaneously signal receiving module detecting writing device send write signal;
(2) when detecting useful signal, data processing module starts the acquisition frame signal detecting hot spot acquisition module simultaneously, if the frame signal of the operation signal of writing device and hot spot acquisition module synchronously occurs, then hot spot gathers effectively complete, data processing module then computing result is sent to communication function module;
(3) if operation signal appearance asynchronous with frame signal, then the current hot spot acquisition module of data processing module record gathers imageing sensor coordinate, comparison record imageing sensor coordinate and hot spot barycentric coordinates at the end of present frame, as the two difference reaches setting value, then this time gather hot spot effective, data processing module computing also sends to communication function module, otherwise invalid, abandons present frame image data;
(4) be uploaded to drive software according to system requirements organising data after communication function module receives the information of data processing module, produce Action Events;
The control procedure of described writing device is:
(1) writing device enters normal mode of operation, and intelligent control module detects control signal receiver module and operating mechanism simultaneously;
(2) if writing device leave operating area cause control signal receiver module to receive control signal that harvester sends reaches certain hour, writing device then controls power management module makes device enter park mode, reduce device power consumption, extension fixture service time;
(3), if writing device enters operational zone, when control signal receiver module receives control signal, device is waken up and enters mode of operation; If control signal receiver module receives the control signal that harvester sends, writing device then keeps in the operational mode, under this pattern, intelligent control module detects operating mechanism in real time, and if any operating, intelligent control module controls hot spot generation module generation hot spot simultaneously and write signal transmitting module to continue transmit operation information.
2. the synchronous electric whiteboard system of a kind of intercontrolling according to claim 1, is characterized in that: described writing device is light pen.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310469038.9A CN103488354B (en) | 2013-10-10 | 2013-10-10 | The synchronous electric whiteboard system of a kind of intercontrolling |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310469038.9A CN103488354B (en) | 2013-10-10 | 2013-10-10 | The synchronous electric whiteboard system of a kind of intercontrolling |
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| CN103488354A CN103488354A (en) | 2014-01-01 |
| CN103488354B true CN103488354B (en) | 2016-03-16 |
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Citations (5)
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| CN102135842A (en) * | 2011-04-06 | 2011-07-27 | 南京方瑞科技有限公司 | Synchronous light pen electronic whiteboard system |
| CN102147683A (en) * | 2010-02-07 | 2011-08-10 | 边鹏 | High-performance interactive electronic whiteboard based on bionic principle |
| CN102495698A (en) * | 2011-12-13 | 2012-06-13 | 南京邮电大学 | Intelligent electronic whiteboard system and light spot position extraction method based on intelligent electronic whiteboard system |
| CN102663690A (en) * | 2012-03-23 | 2012-09-12 | 南京芒冠光电科技股份有限公司 | Infrared ambient light filtering method |
| CN102915126A (en) * | 2012-09-29 | 2013-02-06 | 深圳创维数字技术股份有限公司 | Method, device and system of light ray remote-control positioning |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6710770B2 (en) * | 2000-02-11 | 2004-03-23 | Canesta, Inc. | Quasi-three-dimensional method and apparatus to detect and localize interaction of user-object and virtual transfer device |
| JP3867205B2 (en) * | 2002-08-30 | 2007-01-10 | カシオ計算機株式会社 | Pointed position detection device, pointed position detection system, and pointed position detection method |
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2013
- 2013-10-10 CN CN201310469038.9A patent/CN103488354B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102147683A (en) * | 2010-02-07 | 2011-08-10 | 边鹏 | High-performance interactive electronic whiteboard based on bionic principle |
| CN102135842A (en) * | 2011-04-06 | 2011-07-27 | 南京方瑞科技有限公司 | Synchronous light pen electronic whiteboard system |
| CN102495698A (en) * | 2011-12-13 | 2012-06-13 | 南京邮电大学 | Intelligent electronic whiteboard system and light spot position extraction method based on intelligent electronic whiteboard system |
| CN102663690A (en) * | 2012-03-23 | 2012-09-12 | 南京芒冠光电科技股份有限公司 | Infrared ambient light filtering method |
| CN102915126A (en) * | 2012-09-29 | 2013-02-06 | 深圳创维数字技术股份有限公司 | Method, device and system of light ray remote-control positioning |
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| CN103488354A (en) | 2014-01-01 |
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Address after: 210006, Nanjing, Jiangsu province Qinhuai district should be No. 388 street, 1865 Industrial Park, E13 building, two floor West Applicant after: Nanjing Magon Opto-Electrical Science and Technology Co., Ltd. Address before: 210006, Nanjing, Jiangsu province Qinhuai district should be No. 388 street, 1865 Industrial Park, E13 building, two floor West Applicant before: Nanjing Magon Opto-Electrical Science and Technology Co., Ltd. |
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