CN2906788Y - Multimedia teaching device - Google Patents
Multimedia teaching device Download PDFInfo
- Publication number
- CN2906788Y CN2906788Y CN 200620057970 CN200620057970U CN2906788Y CN 2906788 Y CN2906788 Y CN 2906788Y CN 200620057970 CN200620057970 CN 200620057970 CN 200620057970 U CN200620057970 U CN 200620057970U CN 2906788 Y CN2906788 Y CN 2906788Y
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- China
- Prior art keywords
- microprocessor
- radio
- connects
- hand
- multimedia teaching
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Abstract
The utility model discloses an emitting device for multimedia teaching, comprising a hand-holder provided with a mike with keys for page-up and paged-down, a first microprocessor, a mimic volume switch, modulus conversion circuit and radio emitting circuit, a page-up key and a page-down key are connected to the first microprocessor, and a mike output is connected to the first microprocessor, a mimic volume switch is connected to the first microprocessor through the modulus converter circuit, the output of the first microprocessor is to emit through a radio emitting circuit. The utility model combines a laser emitter, the mike, the up-page key and the page-down key together for convenience of users.
Description
Technical field
The utility model relates to a kind of multimedia teaching apparatus.
Background technology
Current when carrying out multimedia teaching, the speaker uses laser pen and microphone through regular meeting, also often can use application software such as PowerPoint, word and play electronic courseware.During use, laser pen to be held in the common hand of speaker, microphone will be had on one's body, in the computer line operate control PowerPoint page turning of advancing, be unfavorable for speaker and audience's interaction,, make the speaker feel very inconvenient on one's body simultaneously because the thing of band is too many.In addition, the store electrons courseware also needs other storer, further makes the speaker feel to bother very much.
Summary of the invention
Technical problem to be solved in the utility model is the defective that remedies prior art, proposes a kind of page turning but also the multimedia teaching apparatus that is easy to carry and is difficult for losing when not only being convenient to application software such as controlling computer operation PowerPoint, word.
The utility model technical matters is solved by the following technical programs:
The emitter of this multimedia teaching apparatus, comprise hand-held body, hand-held body built-in microphone, it is characterized in that: also be fixed with turnover key, following turnover key, first microprocessor, analog volume switch, analog to digital conversion circuit and radio transmitter circuit on the hand-held body, last turnover key, following turnover key connect first microprocessor, the output of microphone connects first microprocessor, the analog volume switch connects first microprocessor through analog to digital conversion circuit, and the output of first microprocessor is launched through radio transmitter circuit.
Also be fixed with the laser beam emitting device of the indication that is used to impart knowledge to students on the described hand-held body.
Described laser beam emitting device comprises laser head, laser drive circuit, laser head switch and power management module, laser head connects laser drive circuit, laser drive circuit connects the laser head switch, the laser head switch connects power management module again, power management module is connected on the first microprocessor, another termination battery compartment of power management module.
Described radio transmitter circuit comprises built-in aerial, radio-frequency communication module, and built-in aerial connects the radio-frequency communication module, and the radio-frequency communication module connects first microprocessor.
Described hand-held body is provided with the mechanical select switch of being convenient to external microphone.
Described hand-held body is provided with is convenient to write Pop-up ball pen easily.
Described grafting body is provided with radio receiver circuit, second microprocessor, audio output interface and USB interface, the electric signal that radio receiver circuit receives is imported second microprocessor, the sound signal of second microprocessor output connects the external pronunciation device of audio output interface, and the signal of page turning up and down of two microprocessors output is through the external computing machine of USB interface.
Described radio receiver circuit comprises built-in aerial, radio-frequency communication module, radio frequency operation pilot lamp, and built-in aerial connects the radio-frequency communication module, and the radio-frequency communication module connects second microprocessor, and the radio frequency operation pilot lamp connects the radio-frequency communication module.
Described receiving trap comprises the Flash chipset that is used to store data, and the Flash chipset is connected on second microprocessor.
Also be fixed with turnover key on the hand-held body, following turnover key, first microprocessor, the analog volume switch, analog to digital conversion circuit and radio transmitter circuit, last turnover key, following turnover key connects first microprocessor, the output of microphone connects first microprocessor, the analog volume switch connects first microprocessor through analog to digital conversion circuit, the output of first microprocessor is launched through radio transmitter circuit, the grafting body is provided with radio receiver circuit, second microprocessor, audio output interface and USB interface, the electric signal that radio receiver circuit receives is imported second microprocessor, the sound signal of second microprocessor output connects the external pronunciation device of audio output interface, the signal of page turning up and down of two microprocessors output is through the external computing machine of USB interface, mutual socket between described hand-held body and the grafting body.
The beneficial effects of the utility model are: generating laser, microphone, last turnover key, following turnover key are integrated, can make the speaker make things convenient for the user with carrying plurality of devices.The speaker uses generating laser as teacher's pointer.Speaker's use microphone is that the sound of oneself obtains amplifying.Last turnover key, following turnover key have guaranteed that the user needn't operate in face of computer, just can make any page turning of lantern slide software, make things convenient for speaker and audience's interaction.Hand-held body is also built-in Pop-up ball pen can be used as conventional pen and uses.It is its power supply that battery compartment is installed battery.
The use of radio transmitter circuit and radio receiver circuit can make the speaker walked about arbitrarily by the influence of circuit to be convenient to the audience mutual.The control circuit of hand-held body integrates radio transmitter circuit, generating laser, microphone, last turnover key, the following various functions of turnover key, and the control circuit of grafting body integrates storage chip, audio output interface, USB interface.
The grafting body is connected on the host computer by USB interface as radio system, and its inner storage chip can make it become a mobile memory simultaneously, is convenient to deposit the file of teaching.Audio output interface can external audio frequency equipment or is connected computer sound card, and speaker's sound can be played back by stereo set.The grafting body is powered by computer.
Hand-held body and grafting body can be connected to form an integral body by external member, owing to hand-held body and grafting body are that supporting use prevents loss that one of them causes another to use.The external member connection can also hand body and the grafting body is easy to carry.
Description of drawings
Fig. 1 is hand-held body functional schematic;
Fig. 2 is a grafting body functional schematic;
Fig. 3 is hand-held body circuit connection diagram;
Fig. 4 is a grafting body circuit connection diagram.
Embodiment
A kind of multimedia teaching apparatus as depicted in figs. 1 and 2, includes hand-held body and grafting body, and hand-held body and grafting body connect together.Hand-held body is provided with generating laser, generating laser button, microphone, external Microphone, volume adjuster, ball pen, goes up turnover key, following turnover key and battery compartment.The grafting body is provided with USB interface, Flash groups of memory chips, audio output interface, radio frequency operation pilot lamp.
In conjunction with Fig. 3, battery compartment connects power management module again.Laser head connects laser drive circuit, and the laser head driving circuit connects the laser head switch, and the laser head switch connects power management module.Power management module connects microprocessor and peripheral circuit module at last.Last turnover key, following turnover key all directly are connected in above the power management module.Microprocessor and peripheral circuit module connect radio-frequency communication module, analog to digital conversion circuit and mechanical select switch.Radio-frequency communication module connects built-in aerial.Analog to digital conversion circuit connects the simulated sound switch.The machinery select switch connects built-in microphone and external microphone interface.
As shown in Figure 4, USB interface links to each other with microprocessor, the embedded Flash chipset of microprocessor, external audio frequency output interface and radio-frequency communication module.Radio-frequency communication module connects radio frequency operation pilot lamp and built-in aerial respectively.
During use, earlier USB interface is connected on the computer, is the power supply of grafting body by computer, audio output interface can connect the sound card that loudspeaker also can connect computer.Hand-held body passes through powered battery.Generating laser be can be used as teacher's pointer use, by the Push And Release of generating laser by the key control generating laser.The speaker can speak facing to built-in microphone, also can pass through the external microphone of external microphone interface again, uses the analog volume switch to control the volume of microphone again through microprocessor through analog to digital conversion circuit.Become digital signal by microphone or the simulating signal sent here by external microphone interface by analog to digital conversion, launch from antenna by radio-frequency module after the processing of digital signal by microprocessor; The grafting body carries out demodulation and by microprocessor processes, carries out digital-to-analog conversion then by behind the antenna receiving signal, exports by audio output interface at last.When computer during in application software such as operation PowerPoint, word etc., can carry out moving of page turning and scroll bar with the last turnover key and the following turnover key of hand-held body, the signal of last turnover key and following turnover key is by after the microprocessor processes, carry out the signal modulation, launch from antenna by radio-frequency module then, the grafting body is by behind the antenna receiving signal, carry out demodulation and pass through microprocessor processes, processed signal is input into computer by USB interface PowerPoint, word is carried out page turning control.The radio frequency operation pilot lamp can be glittering during radio work.The built-in storer of grafting body can be used for storing data, need not carry other storer again.
Claims (10)
1, a kind of emitter of multimedia teaching apparatus, comprise hand-held body, hand-held body built-in microphone, it is characterized in that: also be fixed with turnover key, following turnover key, first microprocessor, analog volume switch, analog to digital conversion circuit and radio transmitter circuit on the hand-held body, last turnover key, following turnover key connect first microprocessor, the output of microphone connects first microprocessor, the analog volume switch connects first microprocessor through analog to digital conversion circuit, and the output of first microprocessor is launched through radio transmitter circuit.
2, the emitter of a kind of multimedia teaching apparatus as claimed in claim 1 is characterized in that: the laser beam emitting device that also is fixed with the indication that is used to impart knowledge to students on the described hand-held body.
3, the emitter of a kind of multimedia teaching apparatus as claimed in claim 2, it is characterized in that: described laser beam emitting device comprises laser head, laser drive circuit, laser head switch and power management module, laser head connects laser drive circuit, laser drive circuit connects the laser head switch, the laser head switch connects power management module again, power management module is connected on the first microprocessor, another termination battery compartment of power management module.
4, the emitter of a kind of multimedia teaching apparatus as claimed in claim 1, it is characterized in that: described radio transmitter circuit comprises built-in aerial, radio-frequency communication module, built-in aerial connects the radio-frequency communication module, and the radio-frequency communication module connects first microprocessor.
5, the emitter of a kind of multimedia teaching apparatus as claimed in claim 1 is characterized in that: described hand-held body is provided with the mechanical select switch of being convenient to external microphone.
6, as the emitter of any described a kind of multimedia teaching apparatus of claim 1-5, it is characterized in that: described hand-held body is provided with is convenient to write Pop-up ball pen easily.
7, a kind of receiving trap of multimedia teaching apparatus, comprise the grafting body, it is characterized in that: described grafting body is provided with radio receiver circuit, second microprocessor, audio output interface and USB interface, the electric signal that radio receiver circuit receives is imported second microprocessor, the sound signal of second microprocessor output connects the external pronunciation device of audio output interface, and the signal of page turning up and down of two microprocessors output is through the external computing machine of USB interface.
8, according to the receiving trap of the described a kind of multimedia teaching apparatus of claim 7, it is characterized in that: described radio receiver circuit comprises built-in aerial, radio-frequency communication module, radio frequency operation pilot lamp, built-in aerial connects the radio-frequency communication module, the radio-frequency communication module connects second microprocessor, and the radio frequency operation pilot lamp connects the radio-frequency communication module.
9, the receiving trap of a kind of multimedia teaching apparatus as claimed in claim 7 is characterized in that: described receiving trap comprises the Flash chipset that is used to store data, and the Flash chipset is connected on second microprocessor.
10, a kind of multimedia teaching apparatus, comprise hand-held body and grafting body, hand-held body built-in microphone, it is characterized in that: also be fixed with turnover key on the hand-held body, following turnover key, first microprocessor, the analog volume switch, analog to digital conversion circuit and radio transmitter circuit, last turnover key, following turnover key connects first microprocessor, the output of microphone connects first microprocessor, the analog volume switch connects first microprocessor through analog to digital conversion circuit, the output of first microprocessor is launched through radio transmitter circuit, the grafting body is provided with radio receiver circuit, second microprocessor, audio output interface and USB interface, the electric signal that radio receiver circuit receives is imported second microprocessor, the sound signal of second microprocessor output connects the external pronunciation device of audio output interface, the signal of page turning up and down of two microprocessors output is through the external computing machine of USB interface, mutual socket between described hand-held body and the grafting body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620057970 CN2906788Y (en) | 2006-04-14 | 2006-04-14 | Multimedia teaching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620057970 CN2906788Y (en) | 2006-04-14 | 2006-04-14 | Multimedia teaching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2906788Y true CN2906788Y (en) | 2007-05-30 |
Family
ID=38115429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620057970 Expired - Fee Related CN2906788Y (en) | 2006-04-14 | 2006-04-14 | Multimedia teaching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2906788Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103646584A (en) * | 2013-11-27 | 2014-03-19 | 华中科技大学 | Multifunctional demonstration pen data transmission method and product |
-
2006
- 2006-04-14 CN CN 200620057970 patent/CN2906788Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103646584A (en) * | 2013-11-27 | 2014-03-19 | 华中科技大学 | Multifunctional demonstration pen data transmission method and product |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070530 Termination date: 20110414 |