CN105701369A - Electronic whiteboard and electronic whiteboard control method - Google Patents
Electronic whiteboard and electronic whiteboard control method Download PDFInfo
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- CN105701369A CN105701369A CN201410694699.6A CN201410694699A CN105701369A CN 105701369 A CN105701369 A CN 105701369A CN 201410694699 A CN201410694699 A CN 201410694699A CN 105701369 A CN105701369 A CN 105701369A
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- electronic whiteboard
- identity information
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Abstract
The invention provides an electronic whiteboard. The electronic whiteboard can communicate with an external device and can be switched between a locking state and an unlocking state. Multiple pieces of preset identity information are preset in the electronic whiteboard. The electronic whiteboard comprises a control unit, a communication module, an identity recognition module, a pairing module and a management module. The identity recognition module outputs a first control signal to switch the electronic whiteboard to the unlocking state through a control module when detecting that received or obtained identity information is valid. When pairing information output by the external device is received, the communication module outputs a pairing signal for selecting one idle communication frequency in the electronic whiteboard through the pairing module to communicate with the external device, and outputs a shared signal. The management module sets a shared network of the electronic whiteboard and the external device according to the shared signal. The communication module receives and transmits a control instruction output from the external device to the control module. The control module performs corresponding operation according to the received control instruction. The invention furthermore provides an electronic whiteboard control method.
Description
Technical field
The present invention relates to a kind of electronic whiteboard and electronic whiteboard control method。
Background technology
In prior art, electronic whiteboard is to utilize the common blank of computer simulation, it is achieved the purpose of non-support cable teaching。In electronic whiteboard operating process, user need to be kept to be always positioned in face of electronic whiteboard, reduce electronic whiteboard motility in operation, cause user cannot and audience between carry out closely interactive。
Summary of the invention
In view of this, it is necessary to a kind of electronic whiteboard improving operating flexibility and safety is provided。
There is a need to provide a kind of electronic whiteboard control method improving operating flexibility and safety。
A kind of electronic whiteboard, it can carry out communication with external equipment, and can switch between locking shape body and released state。Electronic whiteboard is preset with some default identity informations, and it includes control unit and communication module。Electronic whiteboard also includes identification module, matching module and management module。Identification module exports the first control signal when the identity information that detection receives or gets is effective。Control module, according to the first control signal, electronic whiteboard is switched to released state。Communication module when receiving the unpaired message of external equipment output output pairing signal to matching module。Matching module selects an idle communication frequency and external equipment in electronic whiteboard carry out communication and export shared signal according to pairing signal。Management module arranges electronic whiteboard according to shared signal and shares network with external equipment。The control instruction received from external equipment output is also sent to control module by communication module。Control module and perform corresponding operating according to the control instruction received。
A kind of electronic whiteboard control method, it can carry out communication with external equipment；This electronic whiteboard is preset with some default identity informations；This electronic whiteboard control method comprises the steps:
Detect whether to receive effective identity information；
If receiving effective identity information switching electronic whiteboard is released state；
Detect whether to receive unpaired message；
If receiving unpaired message, an idle communication frequency in electronic whiteboard is selected to carry out communication with external equipment and export shared signal；
Control electronic whiteboard according to shared signal and share network with external equipment；
Detect whether to receive control instruction；
If the control instruction of receiving, control electronic whiteboard and perform control instruction。
Adopt above-mentioned electronic whiteboard and electronic whiteboard control method, by identification module identification user information, enhance the operational safety of electronic whiteboard, and matching and receiving its control instruction sent with external equipment, realize wireless and distant control electronic whiteboard, improve the motility that electronic whiteboard controls。
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the electronic whiteboard of a kind of better embodiment。
Fig. 2 is the flow chart of a kind of electronic whiteboard control method。
Main element symbol description
| Electronic whiteboard | 10 |
| Identification module | 11 |
| Control module | 12 |
| Communication module | 13 |
| Matching module | 14 |
| Management module | 16 |
| External equipment | 20 |
| Electronic whiteboard control method | S21~S29 |
Following detailed description of the invention will further illustrate the present invention in conjunction with above-mentioned accompanying drawing。
Detailed description of the invention
Referring to Fig. 1, it is the module map of electronic whiteboard 10 of a kind of better embodiment。Electronic whiteboard 10 can match with external equipment 20, and completes phase intercommunication news in pairing。Electronic whiteboard 10 can switch between lock-out state and released state。Electronic whiteboard 10 is previously stored with some default identity informations。In the present embodiment, external equipment 20 can be mike；The identity information that prestores can be added according to the demand of user or delete。Wherein, the identity information that prestores can include the name of user, job number and corresponding authority。
Electronic whiteboard 10 includes identification module 11, control module 12, communication module 13, matching module 14 and management module 16。
Identification module 11 detects the identity information receiving or getting, and exports the control signal of correspondence。In present embodiment, identification module 11 is preset with a specific magnetic fields scope, obtain identity information when it for existing and having the electronic tag of identity information within the scope of specific magnetic fields, compare the identity information of acquisition with default identity information to export control signal simultaneously。Wherein this electronic tag with identity information can be the wireless signal or acoustical signal that are sent by this external equipment under the control of the user。If the identity information obtained is identical with any one default identity information, namely detect identity information effectively, identification module 11 exports the first control signal。If identity information and any one default identity information of obtaining all differ, namely detect identity information is invalid, identification module 11 exports the second control signal。In the present embodiment, identification module 11 is RF identification chip (RadioFrequencyIdentification, RFID) or short-range communication chip (NearFieldCommunication, NFC)。It is appreciated that identification module 11 can also be received by wired mode or obtain identity information in changing embodiment。
Control module 12 for electronic whiteboard 10 being switched to released state according to the first control signal and communication module 13, matching module 14 and management module 16 being switched to duty。Controlling module 12 to be additionally operable to lock currently displaying picture according to the second control signal and electronic whiteboard 10 switches to lock-out state, communication control module 13, matching module 14 and management module 16 quit work simultaneously。In the present embodiment, control module 12 to provide or stop to provide running voltage communication control module 13, matching module 14 and management module 16。In other embodiments, module 12 is controlled also by other modes communication control module 13 simultaneously, matching module 14 and management module 16。
Communication module 13 is for detecting whether receive the unpaired message from external equipment 20 output。If receiving unpaired message, communication module 13 exports pairing signal to matching module 14。Wherein, unpaired message is that user produces by pressing the specific keys on external equipment 20, or automatically exports when external equipment 20 is positioned at the hunting zone of electronic whiteboard 10。In the present embodiment, communication module 13 is concealed 22 and receives antenna, and adopts Gaussian Frequency Shift Keying (GaussfrequencyShiftKeying, GFSK) technology to be modulated。
Matching module 14 is for selecting the interior idle communication frequency of electronic whiteboard 10 and external equipment 20 carry out communication and export shared signal according to pairing signal。In the present embodiment, communication frequency ranges for 2400 ~ 2483MHz。
Management module 16 shares network for arranging electronic whiteboard 10 according to shared signal with external equipment 20。In the present embodiment, management module 16 is as wireless Wireless Router so that external equipment 20 browses webpage with radio connection by electronic whiteboard 10。
Communication module 13 is additionally operable to detect whether to receive the control instruction from external equipment 20 output。If the control instruction of receiving, control instruction is sent to control module 12 and exports by communication module 13。Wherein, unpaired message is that user produces by pressing the specific keys on external equipment 20。
Control module 12 to be additionally operable to perform corresponding operating according to control instruction control electronic whiteboard 10。Wherein, control instruction may be used for controlling the function of the upper page turning of electronic whiteboard 10 realization, lower page turning, volume increase and volume down。In the present embodiment, external equipment 20 is provided with some buttons, realizes the different control instruction of output by pressing different key。
Above-mentioned electronic whiteboard 10 is by identification module identification user information, enhance the operational safety of electronic whiteboard, and matching and receiving its control instruction sent with external equipment, it is achieved and wireless and distant control electronic whiteboard, improve the motility that electronic whiteboard controls。
Referring to Fig. 2, it is the flow chart of a kind of electronic whiteboard control method, and it is applied in electronic whiteboard 10。Electronic whiteboard 10 can match with external equipment 20, and completes phase intercommunication news in pairing。Electronic whiteboard 10 is previously stored with some identity informations, can switch between lock-out state and released state。In the present embodiment, external equipment 20 can be mike；The identity information that prestores can be added according to the demand of user or delete。This electronic whiteboard control method comprises the steps:
Step S21, obtaining identity information detect whether to receive effective identity information when identification module 11 exists the electronic tag with identity information within the scope of specific magnetic fields, namely wirelessly detect can the electronic tag with identity information of existence detecting in reconnaissance range for identification module 11。If the identity information obtained is identical with any one default identity information, namely detect identity information effectively, export the first control signal and enter step S24；If identity information and any one default identity information of obtaining all differ, namely detect identity information is invalid, export the second control signal and enter step S28。In the present embodiment, identification module 11 is RF identification chip (RadioFrequencyIdentification, RFID) or short-range communication chip (NearFieldCommunication, NFC)。
Step S22, controlling module 12 according to the first control signal switching electronic whiteboard 10 is released state。
Step S23, communication module 13 detects whether to receive unpaired message。If receiving unpaired message, output pairing signal also enters step S24；If not receiving unpaired message, then enter step S25。
Step S24, matching module 14 selects the interior idle communication frequency of electronic whiteboard 10 and external equipment 20 carry out communication and export shared signal according to pairing signal。In the present embodiment, communication frequency ranges for 2400 ~ 2483MHz。
Step S25, management module 16 shares network for controlling electronic whiteboard 10 according to shared signal with external equipment 20。
Step S26, communication module 13 detects whether to receive the control instruction of external equipment 20 output。If receiving the control instruction of external equipment 20 output, then enter step S27；If the control instruction of not receiving, then flow process terminates。
Step S27, control module 12 controls electronic whiteboard 10 and performs to control operation accordingly。
Step S28, controls module 12 and according to the second control signal currently displaying picture of locking and switches electronic whiteboard 10 for lock-out state。
Step S29, controls module 12 communication control module 13, matching module 14 and management module 16 and quits work。
Those skilled in the art will be appreciated that; embodiment above is intended merely to the explanation present invention; and it is not used as limitation of the invention; as long as within the spirit of the present invention, above example is made suitably change and change all drops within the scope of protection of present invention。
Claims (10)
1. an electronic whiteboard, it can carry out communication with external equipment；This electronic whiteboard is preset with some default identity informations, and it includes control unit and communication module；It is characterized in that: this electronic whiteboard can switch between locking shape body and released state, it also includes identification module, matching module and management module；This identification module exports the first control signal when the identity information that detection receives or gets is effective；Electronic whiteboard is switched to released state according to the first control signal by this control module；This communication module when receiving the unpaired message from external equipment output output pairing signal to matching module；This matching module selects an idle communication frequency and external equipment in electronic whiteboard carry out communication and export shared signal according to pairing signal；This management module arranges electronic whiteboard according to shared signal and shares network with external equipment；The control instruction received from external equipment output is also sent to control module by this communication module；This control module performs corresponding operating according to the control instruction received。
2. electronic whiteboard as claimed in claim 1, it is characterized in that: if the identity information being somebody's turn to do user's input is invalid, this identification module exports the second control signal, and this control module locks currently displaying picture according to the second control signal and electronic whiteboard is switched to lock-out state。
3. electronic whiteboard as claimed in claim 2, it is characterised in that: this control module is according to the second control signal communication control module, matching module and management module from service。
4. electronic whiteboard as claimed in claim 1, it is characterised in that: the communication frequency of this electronic whiteboard ranges for 2400 ~ 2483MHz。
5. electronic whiteboard as claimed in claim 1, it is characterised in that: obtain identity information when this identification module exists the electronic tag with identity information within the scope of specific magnetic fields and detect whether to receive effective identity information；If the identity information obtained is identical with any one default identity information, namely detect identity information effectively, this identification module exports the first control signal；If identity information and any one default identity information of obtaining all differ, namely detect identity information is invalid, this identification module exports the second control signal。
6. an electronic whiteboard control method, it can carry out communication with external equipment；This electronic whiteboard is preset with some default identity informations；This electronic whiteboard control method comprises the steps:
Detect whether to receive effective identity information；
If receiving effective identity information switching electronic whiteboard is released state；
Detect whether to receive unpaired message；
If receiving unpaired message, an idle communication frequency in electronic whiteboard is selected to carry out communication with external equipment and export shared signal；
Control electronic whiteboard according to shared signal and share network with external equipment；
Detect whether to receive control instruction；
If the control instruction of receiving, control electronic whiteboard and perform control instruction。
7. electronic whiteboard control method as claimed in claim 6, it is characterised in that: if receiving invalid identity information, locking currently displaying picture and to switch electronic whiteboard be lock-out state。
8. electronic whiteboard control method as claimed in claim 7, it is characterised in that: the currently displaying picture of this locking also switches after electronic whiteboard is lock-out state and farther includes following steps: communication control module, matching module and management module from service。
9. electronic whiteboard control method as claimed in claim 6, it is characterised in that: the communication frequency of this electronic whiteboard ranges for 2400 ~ 2483MHz。
10. electronic whiteboard control method as claimed in claim 6, it is characterised in that: this detects whether that receiving effective identity information step farther includes:
Obtain identity information and detect whether to receive effective identity information when there is the electronic tag with identity information within the scope of specific magnetic fields；
The identity information relatively obtained and default identity information；
If obtain identity information identical with any one default identity information, namely detect identity information is effective；
If identity information and any one default identity information of obtaining all differ, namely detect identity information is invalid。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410694699.6A CN105701369A (en) | 2014-11-27 | 2014-11-27 | Electronic whiteboard and electronic whiteboard control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410694699.6A CN105701369A (en) | 2014-11-27 | 2014-11-27 | Electronic whiteboard and electronic whiteboard control method |
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| Publication Number | Publication Date |
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| CN105701369A true CN105701369A (en) | 2016-06-22 |
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| CN201410694699.6A Pending CN105701369A (en) | 2014-11-27 | 2014-11-27 | Electronic whiteboard and electronic whiteboard control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108989900A (en) * | 2017-06-02 | 2018-12-11 | 中兴通讯股份有限公司 | A kind of method for processing video frequency and terminal |
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2014
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108989900A (en) * | 2017-06-02 | 2018-12-11 | 中兴通讯股份有限公司 | A kind of method for processing video frequency and terminal |
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Application publication date: 20160622 |