CN1949853A - Wireless network projector and method of scanning different signal receiving units thereof - Google Patents
Wireless network projector and method of scanning different signal receiving units thereof Download PDFInfo
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- CN1949853A CN1949853A CNA2005101086335A CN200510108633A CN1949853A CN 1949853 A CN1949853 A CN 1949853A CN A2005101086335 A CNA2005101086335 A CN A2005101086335A CN 200510108633 A CN200510108633 A CN 200510108633A CN 1949853 A CN1949853 A CN 1949853A
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- wireless network
- base stations
- signal receiving
- network base
- microprocessor
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Abstract
The invention is a wireless network projector, comprising a microprocessor, a wireless network base station module, a projection module and several signal receiving units, where the wirelss network base station module comprises at least an image signal line connected to the microprocessor; the projection module is connected to the microprocessor to project a picture; the microprocess determines whether there is a user connected to the wireless network base station module to determine whether to scan the other signal receiving units; and it can make the microprocessor able to detect and differentiate signals from different sources.
Description
Technical field
The present invention is relevant for a kind of projector, and particularly relevant for a kind of wireless network projector.
Background technology
Present wireless network projector utilizes the wireless network base stations module of an in-building type or external hanging type to transmit or received signal.Please refer to Figure 1A, its expression wireless network base stations module and projection module calcspar.Wireless network projector 100 comprises: a wireless network base stations module 101, a microprocessor 102, a projection module 105 and multiple signal receiving unit 107.Wireless network base stations module 101 receives a picture, and is sent to projection module 105 with broadcasting pictures via microprocessor 102.And different signal receiving units for example is RGB, DVI, AV terminal or S terminal.The rgb signal receiving element is in order to receive analog picture signal, and the DVI signal receiving unit is then in order to receive data image signal.Then in order to receive the audio-video signal of TV or DVD, different signal receiving units 107 can send a signal in the projection module 105 via microprocessor 102 for AV terminal and S terminal.
Please refer to Figure 1B, Figure 1B represents wireless network projector sweep signal receiving element order calcspar.Microprocessor 102 is when scanning different signal receiving units, and sequencing for example is RGB connector 107a, scans DVI connector 107b again, AV terminal 107c and S terminal 107d.And for projector 100, wireless network base stations module 101 itself also is a signal receiving unit.When the actual open wireless of user networked projection machine 100, wireless network base stations module 101 also is opened, so wireless network base stations module 101 can directly be given signal microprocessor 102.Microprocessor 102 can be assert has had the terminal of signal receiving unit occupied, also just can not continue to scan other signal receiving unit.Yet the user may not be certain to use wireless network base stations module 101 to carry out the picture transmission, but will for example watch activities such as DVD or broadcast television image by projector 100.In this case, because microprocessor 102 has assert that signal receiving unit is arranged is occupied, microprocessor 102 just can not scan AV terminal or S terminal.The button that the user just is forced to push AV terminal or S terminal is with signal receiving unit, so that wireless network base stations module 101 is switched on AV terminal or the S terminal.For the user, will suitable trouble in the use.
And after the user finishes watching DVD, and pulling out AV terminal or S terminal connector, microprocessor 102 is understood search signal receiving element again again.Because wireless network projector receives the signal receiving unit power supply one of wireless network signal and is heading straight for, link to the wireless network base stations module even without the user, microprocessor 102 still can receive wireless network base stations module 101 at once becomes new signal receiving unit.For other signal receiving units, will have an opportunity never to be scanned, unless the user initiatively pushes the pairing button of desired signal receiving element again.Thus, the user will be more inconvenient in the use.
Summary of the invention
In view of this, purpose of the present invention is exactly in the method that a kind of wireless network projector and sweep signal receiving element thereof are provided.Do not need the time-consuming more free-hand pressing keys of going of user, to switch to correct signal receiving unit.Wireless network projector just can be initiatively and correct is detected present signal source.
According to purpose of the present invention, a kind of wireless network projector is proposed, comprising: a microprocessor, a wireless network base stations module, a projection module and several signal receiving units.The wireless network base stations module is electrically connected to microprocessor.Projection module also is electrically connected to microprocessor, with projection one picture.Whether wherein microprocessor is differentiated has a user to link to this wireless network base stations module, whether scans other signal receiving units with decision.
According to purpose of the present invention, reintroduce the method that a kind of wireless network projector scans a plurality of signal receiving units.Wireless network projector comprises a microprocessor, a wireless network base stations module, a projection module, several signal receiving units and at least one transmission line.Wireless network base stations module, projection module are electrically connected to microprocessor.And signal receiving unit is electrically connected or is wirelessly transmitted to microprocessor, and method comprises: at first, microprocessor is collected these signal receiving unit kinds of information.Come again, scan one of these signal receiving units.Whether then, differentiate one of these signal receiving units is the wireless network base stations module.Then, if the judgment signal receiving element is the wireless network base stations module, then microprocessor is by transmission line inquiry wireless network base stations module.Whether come, differentiating has a user to link to the wireless network base stations module again.At last, do not have a user to link to the wireless network base stations module, then continue other different signal receiving units of scanning if differentiate.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and conjunction with figs. are described in detail as follows:
Description of drawings
Figure 1A represents wireless network base stations module and projection module calcspar.
Figure 1B represents wireless network projector sweep signal receiving element order calcspar.
Fig. 2 represents the wireless network projector calcspar.
Fig. 3 represents projector's microprocessor sweep signal flow chart.
Fig. 4 represents wireless network base stations module answer projector microprocessor flow chart.
Fig. 5 represents the projection screen schematic diagram.
The main element symbol description
100: wireless network projector
101: the wireless network base stations module
102: microprocessor
105: projection module
107: signal receiving unit
The 107a:RGB connector
The 107b:DVI connector
The 107c:AV terminal
The 107d:S terminal
Embodiment
Carry out initialization or cut off it of arbitrary signal receiving unit source at wireless network projector, source that all can the sweep signal receiving element.(signal receiving unit is the interface of projector when connecting extraneous separate sources).And wireless network base stations module (another signal receiving unit) always transmission signals make microprocessor assert that always the wireless network base stations module is a signal receiving unit to microprocessor.Whether the present invention has the user to link to the function of wireless network base stations module by providing microprocessor to differentiate, and microprocessor just can continue the source of scanning different signal receiving units.Below will introduce dual mode, and whether have the user to carry out the function of line so that microprocessor can have the wireless network base stations of differentiation module.
First embodiment
Please refer to Fig. 2, Fig. 2 represents the wireless network projector calcspar.Wireless network projector 200 comprises: a microprocessor 202, a wireless network base stations module 201, a projection module 205, a plurality of signal receiving unit, a transmission line 209 and an image signal line 210.Wireless network base stations module 201 is electrically connected to microprocessor 202.Projection module 205 also is electrically connected to microprocessor 202.The computer picture can be transferred to microprocessor 202 by image signal line 210 users, and via projection module 205 with on image projection to a screen of wireless network base stations module 201 with the use computer received.
Several signal receiving units for example are signal receiving unit 207a, DVI connector signal receiving unit 207b, AV terminal signal receiving unit 207c and the S terminal signals receiving element 207d of RGB connector.The signal receiving unit of RGB connector is mainly in order to transmission or reception analog picture signal, and the signal receiving unit 207b of DVI connector is mainly in order to transmission or reception data image signal.AV terminal 207c or S terminal 207d are then in order to receive audio-video signal.By different signal receiving units, the image that projector 200 just can the projection separate sources, for example image of separate sources such as computer, TV or DVD.
Owing to connect a transmission line 209 between wireless network base stations module 201 and microprocessor 202 in addition, therefore make microprocessor 202 not only have only the signal of unidirectional reception wireless network base stations module 201.Microprocessor 202 more can transmit request signal to wireless network base stations module 201, to reach the function of transmitted in both directions and reception.This transmission line for example meets the communication interface of (I2C), GPIO or RS-232.Transmission line 209 preferably for the interface transmission line 209 of RS-232 so that bigger transmission quantity to be provided.Below how explanation makes the microprocessor 202 effectively order of keyholed back plate sweep signal receiving element by transmission line 209.
Please refer to Fig. 3, Fig. 3 represents projector's microprocessor sweep signal flow chart.Step 301 at first, microprocessor is collected the different signal receiving units kinds of information.Come one of these signal receiving units of step 303 scanning again.Whether step 305 then, differentiating one of these signal receiving units is the wireless network base stations module.If, execution in step 307a then, microprocessor 202 transmission signals are to wireless network base stations module 201.And execution in step 309a, whether differentiate has the user to link to wireless network base stations module 201.If there is not the user to link to wireless network base stations module 201, then is back to step 303 and continues other signal receiving units of scanning.If there is the user to link to wireless network base stations module 201, then direct execution in step 311, setting wireless network base station module 201 are the signal source of projector 200.
And in step 305, if judgment signal receiving element source is not a wireless network base stations module 201, execution in step 307b then checks the state of signal receiving unit.Then, whether execution in step 309b judgment signal receiving element has signal.If there is not signal, then gets back to step 303 and continue other signal receiving units of scanning.If signal is arranged, then carry out final step 311, setting this signal receiving unit is the signal source of projector 200.
Corresponding to the scanning flow process of microprocessor,, will carry out down step at wireless network base stations module 201 these ends.Please be simultaneously with reference to Fig. 3 and Fig. 4, Fig. 4 represents wireless network base stations module answer projector microprocessor flow chart.In the step 307a of Fig. 3, whether microprocessor 202 can have user's line by transmission line 209 inquiry wireless network base stations modules 201.Therefore in the step 401, the request signal that wireless network base stations module 201 is waited for microprocessor always and transmitted.After request signal produced, whether execution in step 403, wireless network base stations module 201 will be differentiated had the user to link to wireless network base stations module 201 at present.If user's line is arranged, then the microprocessor 202 of execution in step 405a answer projector 200 has user's line, and gets back to step 401 wait request signal next time.If there is not user's line, execution in step 405b then, replying microprocessor 202 does not have the user to carry out line, and is back to step 401 and waits for next time request signal.
In addition, passed through to be provided with transmission line, wireless network base stations module 201 just can be carried the microprocessor of more information to projector.Therefore, the information that projection module 205 can projection radio base station module 201 is on screen 530.Please refer to Fig. 5, Fig. 5 represents the projection screen schematic diagram.On projection screen, have an information display area 540 and scan progress district 542.In information display area 540, disclosed information about wireless network base stations module 201, for example wireless network base stations title (SSID), channel (Channel) and network address information such as (IP), and be fixed on the screen.Because these information continue to be presented on the screen till microprocessor is scanned up to signal receiving unit and shows user's picture.Therefore, the user just can obtain the essential information about wireless network base stations module 201 always, to carry out the basic setting of computer network line, and can be because of the basic picture that only occurs in a flash about wireless network base stations module 201 information, and the user has little time to note, and can't use the function of wireless network transmissions.
Second embodiment
Please refer to Fig. 2, being different from first embodiment by transmission line two-way communication wireless network base stations module and microprocessor is, in a second embodiment, directly will whether there be the user to use the function of wireless network base stations module 201 to inform microprocessor 202 by detected image holding wire 210.Whether the method has the user to use wireless network base stations module 201 by the voltage level of microprocessor 202 and 201 connector stitch of wireless network base stations module (Pin) to differentiate.For example, if there is the people to link to wireless network base stations module 201, then the voltage level of a certain stitch of wireless network base stations module 201 (Voltage level) is changed, and transfers to microprocessor 202 by image signal line 210.Microprocessor 202 can detect the change amount of voltage level, is wireless network base stations module 201 and set present signal receiving unit.Otherwise, if nobody line then microprocessor 202 can continue to scan other signal receiving units.
Except that above-mentioned two kinds of embodiment, no matter use which kind of communication way between wireless module and the projector, projector is detected whether have the user to carry out wireless network transmissions as long as can reach by this wireless module, to judge whether to proceed the operation of sweep signal receiving element, promptly belong to scope of the present invention.
The disclosed wireless network projector of the above embodiment of the present invention, by giving microprocessor to differentiate user's line whether information of wireless network base stations module, when making microprocessor can only still not have the user to carry out line, assert that promptly the wireless network base stations module is a signal receiving unit because opening the wireless network base stations module.Thus, the user does not need spended time to push real required use signal receiving unit corresponding key again, switching to required signal receiving unit, will be comparatively in the use easy.In addition, by the setting of transmission line, the wireless network base stations module can be transmitted the relevant line set information of multiple wireless network base station module more to projection module, and be projected on the screen, be user-friendly for the setting work of wireless network.
Though the present invention with preferred embodiment openly as above; right its is not that any those skilled in the art are under the situation that does not break away from the spirit and scope of the present invention in order to qualification the present invention; can change and modification, so protection scope of the present invention is as the criterion with the claim institute restricted portion that is proposed.
Claims (13)
1. wireless network projector comprises:
One microprocessor;
One wireless network base stations module comprises that at least one image signal line is to be electrically connected this microprocessor;
One projection module is electrically connected to this microprocessor, and this projection module is in order to projection one picture; And
A plurality of signal receiving units are electrically connected or are wirelessly transmitted to this microprocessor;
Whether wherein this microprocessor is differentiated has a user to link to this wireless network base stations module, whether scans this a plurality of signal receiving units with decision.
2. wireless network projector as claimed in claim 1, wherein this wireless network projector also comprises:
At least one transmission line, two ends are connected to this wireless network base stations module and this microprocessor respectively, and by this transmission line, this microprocessor is differentiated according to this and whether had a user and link to this wireless network base stations module.
3. wireless network projector as claimed in claim 2, wherein this transmission line meets the communication protocol of RS-232.
4. wireless network projector as claimed in claim 2, wherein this transmission line meets I
2The communication protocol of C.
5. wireless network projector as claimed in claim 2, wherein this transmission line meets the communication protocol of GPIO.
6. wireless network projector as claimed in claim 1, one of these a plurality of signal receiving units wherein, be selected from an AV terminal, a S terminal, a RGB connector or a DVI connector one of them.
7. a wireless network projector scans the method for a plurality of signal receiving units, this wireless network projector comprises a microprocessor, a wireless network base stations module, a projection module, a plurality of signal receiving unit and at least one transmission line, this wireless network base stations module, this projection module are electrically connected to microprocessor, these a plurality of signal receiving units are electrically connected or are wirelessly transmitted to this microprocessor, and this method comprises;
This microprocessor is collected these a plurality of signal receiving unit kinds of information;
Scan one of these a plurality of signal receiving units;
Whether differentiate one of these a plurality of signal receiving units is this wireless network base stations module;
If differentiating this signal receiving unit is this wireless network base stations module, then this microprocessor is inquired this wireless network base stations module by this transmission line;
Whether differentiate has a user to link to this wireless network base stations module; And
Do not have a user to link to this wireless network base stations module if differentiate, then continue to scan other these a plurality of signal receiving units.
8. method as claimed in claim 7, whether be in the step of this wireless network base stations module wherein in one of these a plurality of signal receiving units of scanning, if differentiate non-this wireless network base stations module of this receiving element, check whether this signal receiving unit has signal.
9. method as claimed in claim 8 wherein has signal if differentiate this signal receiving unit, then sets the signal source of this signal receiving unit for this wireless network projector.
10. whether method as claimed in claim 8 has a user to link to this wireless network base stations module in differentiation and also comprises:
There is a user to link to this wireless network base stations module if differentiate, then sets this wireless network base stations module this signal receiving unit for this wireless network projector.
11. method as claimed in claim 10, wherein behind this signal receiving unit that this wireless network base stations module of setting is this wireless network projector, this wireless network base stations module is sent to this projection module with a line set information.
12. method as claimed in claim 10, wherein this line set information comprises a base station title (SSID) of this wireless network base stations module.
13. method as claimed in claim 10, wherein this line set information comprises a channel of this wireless network base stations module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005101086335A CN1949853A (en) | 2005-10-10 | 2005-10-10 | Wireless network projector and method of scanning different signal receiving units thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005101086335A CN1949853A (en) | 2005-10-10 | 2005-10-10 | Wireless network projector and method of scanning different signal receiving units thereof |
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| Publication Number | Publication Date |
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| CN1949853A true CN1949853A (en) | 2007-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2005101086335A Pending CN1949853A (en) | 2005-10-10 | 2005-10-10 | Wireless network projector and method of scanning different signal receiving units thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102262344A (en) * | 2010-05-31 | 2011-11-30 | 黄金富 | Projector capable of sharing images of slides played immediately |
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2005
- 2005-10-10 CN CNA2005101086335A patent/CN1949853A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102262344A (en) * | 2010-05-31 | 2011-11-30 | 黄金富 | Projector capable of sharing images of slides played immediately |
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