CN203950293U - A kind of intelligent virtual blackboard system photoelectricity erase pen - Google Patents
A kind of intelligent virtual blackboard system photoelectricity erase pen Download PDFInfo
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- CN203950293U CN203950293U CN201420365775.4U CN201420365775U CN203950293U CN 203950293 U CN203950293 U CN 203950293U CN 201420365775 U CN201420365775 U CN 201420365775U CN 203950293 U CN203950293 U CN 203950293U
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- infrared laser
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Abstract
The utility model discloses a kind of intelligent virtual blackboard system photoelectricity erase pen, the nib of photoelectricity erase pen is preposition pressure transmission device, preposition pressure transmission device connects inner pressure sensitive module, nib is provided with three near-infrared laser transmitters, near-infrared laser transmitter is connected by circuit with pressure sensitive module, in the time that sensing pressure, pressure sensitive module excite Infrared laser emission device to send Infrared, pressure sensitive module connects front-end processor by circuit, front-end processor connects respectively erasable handover module by circuit, interface control module, PPT handover module, photoelectric pen wireless signal transmitting module, the first color supplementary module, the second color supplementary module, the 3rd color supplementary module and master switch.The beneficial effects of the utility model are simple in structure.
Description
Technical field
The utility model belongs to image processing field, relates to a kind of intelligent virtual blackboard system photoelectricity erase pen.
Background technology
In the time that traditional blackboard is write, often use the writing implements such as chalk, because conventional tool is write inconvenience, and information two is little, and in order to overcome the weakness of conventional book writing tools, people have developed " the photoelectricity virtual blackboard " that computerized control.Such as, several " the photoelectricity virtual blackboards " that China Patent Publication No. CN1924336A, CN2387683Y, CN1281209A propose.Although this class technical scheme, has been used projection arrangement, camera head, computing machine and relevant software, be expected to realize elementary " photoelectricity virtual blackboard ".But this class technical scheme is all used CCD, CMOS picture pick-up device, due to the characteristic of picture pick-up device, cause computing machine processing signals difficulty, precision, stability are also affected, and signal is easily made mistakes in transmission and transfer process; In addition, prior art also has the problems such as camera positioning concurrently, has obviously affected the dependable with function of " photoelectricity virtual blackboard " technology.
In addition, the handheld device function of existing " photoelectricity virtual blackboard " is comparatively single, does not have practicality and convenience, and involve great expense when use, is difficult for universal.In addition, existing " photoelectricity virtual blackboard " do not make full use of projector equipment, computing machine, makes function comparatively single, can not realize the conversion of the document demonstrations such as PPT and " photoelectricity virtual blackboard "; In writing process, existing algorithm is not realized character and is preserved, and can not generate respective document.
Existing virtual blackboard system photoelectric pen complex structure, and can not match with this virtual blackboard system.
Utility model content
The purpose of this utility model is to provide a kind of intelligent virtual blackboard system photoelectricity erase pen, has solved the baroque problem of existing photoelectric pen.
The technical scheme that the utility model adopts is that the nib of photoelectricity erase pen is preposition pressure transmission device, preposition pressure transmission device connects inner pressure sensitive module, nib is provided with three near-infrared laser transmitters, near-infrared laser transmitter is connected by circuit with pressure sensitive module, in the time that sensing pressure, pressure sensitive module excite Infrared laser emission device to send Infrared, pressure sensitive module connects front-end processor by circuit, front-end processor connects respectively erasable handover module by circuit, interface control module, PPT handover module, photoelectric pen wireless signal transmitting module, the first color supplementary module, the second color supplementary module, the 3rd color supplementary module and master switch.
Further, described near-infrared laser transmitter comprises three groups of miniature low-power laser transmitters, and described three groups of miniature low-power laser transmitters are taper and distribute, and emission of light converges at a bit.
The beneficial effects of the utility model are simple in structure.
Brief description of the drawings
Fig. 1 is virtual blackboard system hardware location map;
Fig. 2 is camera angular distribution;
Fig. 3 is the structural drawing of " photoelectricity erase pen ";
Fig. 4 is the structural drawing of wireless receiving module.
In figure, 1. camera module, 2. photoelectricity erase pen, 3. wireless module, 4. computer processing system, 5. projector, 6. projection screen, 201. pressure transmission devices, 202. pressure sensitive modules, 203. near-infrared laser transmitters, 204. front-end processor, 205. erasable handover modules, 206. interface control modules, 207.PPT handover module, 208. photoelectric pen wireless signal transmitting module, 209. first color supplementary modules, 210. second color supplementary modules, 211. the 3rd color supplementary modules, 212. master switch, 301. reception of wireless signals modules, 302. intergrade message processing modules, 303.USB information transmission modular, 304.USB interface.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
As shown in Figure 1, the intelligent virtual blackboard system of the utility model based on image processing, is made up of camera module 1, photoelectricity erase pen 2, wireless module 3, computer processing system 4, projector 5 and projection screen 6;
Described camera module 1 is to install near infrared filter composition outward additional at camera, for gathering the near-infrared laser running orbit of photoelectricity erase pen and by track and be converted to data and send computer processing system 4 to;
Described photoelectricity erase pen 2 forms running orbit by transmitting near-infrared laser, and by wireless mode, erase signal is sent to computer processing system 4;
Described wireless module 3 is for receiving and transmitted signal;
Described computer processing system 4 receives the photoelectricity erase pen 2 running orbit data that camera module 1 sends, and after the data of receiving are processed, trace image is presented on projection screen 6 by projector 5, also receive by the wireless module 3 connecting the erase signal that photoelectricity erase pen sends, wipe in the corresponding region of image that projector 5 is shown on projection screen 6.
Fig. 1 is hardware system figure, projection screen 6 is blackboard, the camera lens place of described camera module 1 has installed infrared fileter additional, inside is provided with AD modulus conversion chip, on two angles of blackboard below and an angle of top, camera module 1 is installed respectively, each camera module 1 angular field of view can cover whole blackboard surface, three camera modules 1 connect respectively computer processing system 4, computer processing system 4 connects wireless module 3 by signal wire, computer processing system 4 connects projector 5 by USB interface, camera module 1 gathers the movement locus of photoelectricity erase pen 2, photoelectricity erase pen 2 also sends to computer processing system 4 by erase area information.Fig. 2 is that the angle of camera module 1 is put schematic diagram.
As shown in Figure 3, the nib of photoelectricity erase pen 2 is preposition pressure transmission device 201, preposition pressure transmission device 201 connects inner pressure sensitive module 202, shield 6 nibs by contact projection and produce pressure signal, nib is provided with three near-infrared laser transmitters 203, near-infrared laser transmitter 203 is connected by circuit with pressure sensitive module 202, in the time that sensing pressure, pressure sensitive module 202 excite Infrared laser emission device 203 to send Infrared, pressure sensitive module 202 connects front-end processor 204 by circuit, front-end processor 204 connects respectively erasable handover module 205 by circuit, interface control module 206, PPT handover module 207, photoelectric pen wireless signal transmitting module 208, the first color supplementary module 209, the second color supplementary module 210, the 3rd color supplementary module 211 and master switch 212.
Near-infrared laser transmitter 203 comprises three groups of miniature low-power laser transmitters, and described three groups of miniature low-power laser transmitters are taper and distribute, and emission of light converges at a bit.
Master switch 212 is for controlling the power supply of photoelectricity erase pen 2;
Photoelectric pen wireless signal transmitting module 208 is for sending the output signal wireless mode of photoelectricity erasing pen 2;
Front-end processor 204 is photoelectricity erasing pen CPU mini systems, controls and process the data of each functional module of photoelectricity erasing pen 2;
PPT handover module 207 is for PPT function and erase function conversion; Erasable handover module 205 is for the writing of switches light electroprobe, erase feature; Color control button, the color of writing for switching photoelectricity erase pen; Interface control module 206, for the newly-built interface of writing, is selected existing interface.
As shown in Figure 4, wireless module 3 comprises reception of wireless signals module 301, reception of wireless signals module 301 circuit connect intergrade message processing module 302, and intergrade message processing module 302 circuit connect USB information transmission modular 303, and USB information transmission modular 303 is provided with USB interface 304.
Photoelectricity erase pen 2 of the present utility model is simple in structure, and device used is existing device, and front-end processor 204 also adopts existing processor, only need to turn on the electricity mutually by function, and conventional operational order is set can be used.Easily make assembling, cost is low, and easy to use.
Claims (2)
1. an intelligent virtual blackboard system photoelectricity erase pen, it is characterized in that: the nib of photoelectricity erase pen (2) is preposition pressure transmission device (201), preposition pressure transmission device (201) connects inner pressure sensitive module (202), nib is provided with three near-infrared laser transmitters (203), near-infrared laser transmitter (203) is connected by circuit with pressure sensitive module (202), in the time that sensing pressure, pressure sensitive module (202) excite Infrared laser emission device (203) to send Infrared, pressure sensitive module (202) connects front-end processor (204) by circuit, front-end processor (204) connects respectively erasable handover module (205) by circuit, interface control module (206), PPT handover module (207), photoelectric pen wireless signal transmitting module (208), the first color supplementary module (209), the second color supplementary module (210), the 3rd color supplementary module (211) and master switch (212).
2. according to a kind of intelligent virtual blackboard system photoelectricity erase pen described in claim 1, it is characterized in that: described near-infrared laser transmitter (203) comprises three groups of miniature low-power laser transmitters, described three groups of miniature low-power laser transmitters are taper and distribute, and emission of light converges at a bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420365775.4U CN203950293U (en) | 2014-07-04 | 2014-07-04 | A kind of intelligent virtual blackboard system photoelectricity erase pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420365775.4U CN203950293U (en) | 2014-07-04 | 2014-07-04 | A kind of intelligent virtual blackboard system photoelectricity erase pen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203950293U true CN203950293U (en) | 2014-11-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420365775.4U Expired - Fee Related CN203950293U (en) | 2014-07-04 | 2014-07-04 | A kind of intelligent virtual blackboard system photoelectricity erase pen |
Country Status (1)
| Country | Link |
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| CN (1) | CN203950293U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104608528A (en) * | 2015-02-14 | 2015-05-13 | 马盼盼 | Multifunctional writing pen |
| CN110264795A (en) * | 2019-06-20 | 2019-09-20 | 北京京师英华教育科技有限公司 | A kind of wisdom blackboard system |
-
2014
- 2014-07-04 CN CN201420365775.4U patent/CN203950293U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104608528A (en) * | 2015-02-14 | 2015-05-13 | 马盼盼 | Multifunctional writing pen |
| CN110264795A (en) * | 2019-06-20 | 2019-09-20 | 北京京师英华教育科技有限公司 | A kind of wisdom blackboard system |
| CN110264795B (en) * | 2019-06-20 | 2020-04-24 | 北京京师英华教育科技有限公司 | Intelligent blackboard system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Xu Tuo Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 Termination date: 20160704 |