CN102510501A - Remote-controlled device for dividing blank interpretation area of projector - Google Patents
Remote-controlled device for dividing blank interpretation area of projector Download PDFInfo
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- CN102510501A CN102510501A CN2011103127227A CN201110312722A CN102510501A CN 102510501 A CN102510501 A CN 102510501A CN 2011103127227 A CN2011103127227 A CN 2011103127227A CN 201110312722 A CN201110312722 A CN 201110312722A CN 102510501 A CN102510501 A CN 102510501A
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Abstract
The invention relates to a remote-controlled device for dividing a blank interpretation area of a projector. The device comprises a remote control device and a device for dividing the blank interpretation area. The remote control device comprises a first microprocessor, a first input key, a first LCD (Liquid Crystal Display) unit and an infrared emitter. The device for dividing the blank interpretation area comprises a second microprocessor, a second input key, a second LCD (Liquid Crystal Display) unit, a blank area color control unit, a vertical and horizontal signal processing unit, a VGA (Video Graphics Array) signal integration unit and an infrared emitter. The remote control device is used for transmitting data of the blank interpretation area to be divided into the device for dividing the blank interpretation area; and the second LCD unit is used for displaying the data; the second microprocessor is used for obtaining relevant data from the vertical and horizontal signal processing unit and outputting the needed data of the blank interpretation area through the VGA signal integration unit. According to the device provided by the invention, not only can projecting contents be reserved, but also the blank interpretation area is divided on the projector through operating the keys, so that the projection and the interpretation can be carried out synchronously without switching on or off the projector.
Description
[technical field]
The present invention relates to certain enlargement ratio picture, the projection device of literal enlarging projection on projection screen; But particularly relate to a kind of both retaining projections content; Divisiblely again go out white space, and in addition the blank explanation of the remote-controlled projecting apparatus of remote control is distinguished and is cut device for explanation.
[background technology]
At present, projection device has been widely used in multiple occasions such as teaching, meeting, exhibition.Along with development of science and technology, the enlargement ratio of projection device, definition etc. are all in continuous lifting.Yet, though the conventional projector device has solved the projection scale-up problem of project content, in actual teaching and meeting practice; The content of institute's projection usually need be explained, and the main points of explanation then need write on the blank, at this moment; Just need projecting apparatus cut out, and projection screen is risen, this makes projection device constantly to open or to close; Not only influence the fluency of meeting or teaching process, also influenced the result of use of projection device to a certain extent.As stated, because the projection of general projectors device can not be carried out with explanation synchronously, cause the discontinuous of meeting and teaching process, and frequently closing also of projection device can influence its useful life on same projection screen.
[summary of the invention]
The present invention is intended to address the above problem; And but a kind of both retaining projections content is provided; Can on projection device, be partitioned into the blank explanation through operation push-button again and distinguish, make and just can make projection and the blank explanation differentiation of explaining the remote-controlled projecting apparatus that carries out synchronously cut device by the switch projection device.
Be to realize that above-mentioned purpose, the present invention provide a kind of blank explanation of remote-controlled projecting apparatus to distinguish and cut device, this device comprises that remote control is distinguished with blank explanation and cuts device that wherein, said remote control comprises:
First microprocessor;
First enter key, it is connected with said first microprocessor, is used to import the data in set blank explanation district;
The one LCD display unit; It is connected with said first microprocessor, is used to show the data in the blank explanation district that is imported;
RF transmitter; It is connected with said first microprocessor, be used to launch the data in the blank explanation district that will cut apart;
Blank explanation differentiation is cut device and is comprised:
Second microprocessor;
Second enter key, it is connected with said second microprocessor, is used to import the data in set blank explanation district;
The 2nd LCD display unit, it is connected with said second microprocessor, is used to show the data in the blank explanation district that is imported;
Clear area color control unit, it is connected with said second microprocessor, is used to control the ratio of RGB three looks output;
Vertically, the horizontal signal processing unit, it is connected with said second microprocessor, with the serial of being imported vertical synchronizing signal and horizontal-drive signal convert to be prone to judge and column signal;
VGA signal integration unit, it is connected with clear area color control unit and vertical, horizontal signal processing unit, switches rgb signal synchronously through analog switch;
Infrared receiver, it is connected with said second microprocessor, and
Said remote control with the data in the blank explanation district that will cut apart send to blank explanation and distinguish and cut device; Or cut device by blank explanation differentiation and directly import these data; And show by the 2nd LCD display unit; Vertically, the horizontal signal processing unit with the serial of being imported vertical synchronizing signal and horizontal-drive signal convert to be prone to judge and column signal; Second microprocessor obtains related data from vertical, horizontal signal processing unit, and through the required blank explanation district data of VGA (video graphics array) signal integration unit output.
First enter key is identical with the second enter key structure, and it comprises a plurality of keys, and a plurality of keys are divided into whole adjustment district, limit and angle adjustment district, cut zone and select district and single the switching to select the district, and comprise a memory button.
Whole adjustment district includes standard-sized sheet key, complete shut-down key, little bright key, half bright key; Limit and rectangle of angle adjustment district output, it is adjustable treating selvedge and angle respectively; Cut zone selects the district can screen be become 4 districts, 9 districts or 16 districts, and single the switching selects the district to be used to make single district to open or close; Memory button writes down current demonstration.
The color of little bright key output is that the color of original 20%, half bright key output is original 50%.
The one LCD display unit is identical with the 2nd LCD display cell structure, and it comprises scanning frequency demonstration, the demonstration of horizontal picture element, vertical picture element demonstration, demonstration and shielding area shows and separated region quantity shows.
The one LCD display unit is divided into 10 * 10 matrix, and middle two row and two row are half the width; The 2nd LCD display unit is divided into two districts, and first district is 10 * 10 matrix, and middle two row and two row are half the width; Second district is a parameter display area, is made up of the seven segment code of a plurality of reading scan frequencies respectively, horizontal picture element, vertical picture element.
Clear area color control unit comprises many group DA transducers, and second microprocessor obtains required voltage through this DA transducer of serial signal control.
Vertically, the horizontal signal processing unit comprises the high-speed counter that is used to measure the high speed timer of horizontal cycle and is used for the horizontal number of times of measurement, wherein, timer is made up of reverser and quartz (controlled) oscillator.
VGA signal integration unit is an analog switch, and it is connected with vertical, horizontal signal processing unit and clear area color control unit respectively, switches rgb signal synchronously.
Contribution of the present invention is that it efficiently solves the problem of on projection device, cutting apart blank explanation district.But device of the present invention is the retaining projection content both; Can on projection device, be partitioned into blank explanation district through operation push-button again; Make a participant or a tin speaker both can see project content; Can see the explanation content of writing simultaneously again, and frequently switch projection device or lifting screen, therefore guarantee continuity and fluency and the meeting or the teaching efficiency of teaching or meeting in the clear area.Simultaneously, blank explanation is distinguished the data of cutting and also can be imported through remote control mode, and is convenient and practical.Characteristics such as the present invention also has structure and simple to operate, and is easy to implement.
[description of drawings]
Fig. 1 is a structured flowchart of the present invention.
Fig. 2 is an enter key sketch map of the present invention.
Fig. 3 is a LCD display unit sketch map of the present invention.
Fig. 4 is a clear area of the present invention color control unit sketch map.
Fig. 5 is a horizontal signal processing unit sketch map of the present invention.
Fig. 6 is a vertical signal processing unit sketch map of the present invention.
Fig. 7 is the relationship example sketch map that enter key of the present invention and LCD display unit show.
[embodiment]
The following example is to further explanation of the present invention and explanation, and the present invention is not constituted any limitation.
Consult Fig. 1; The blank explanation of remote-controlled projecting apparatus of the present invention is distinguished and is cut device 100 and comprise that remote control 10 is distinguished with blank explanation and cut device 20; Wherein, said remote control 10 comprises first microprocessor 11, first enter key 12, a LCD display unit 13 and RF transmitter 14.
Among Fig. 1; Said first microprocessor 11 can be the microprocessor of any known electric heating control usefulness; In this example, select HT46R067 type microprocessor for use, this first microprocessor 11 is provided with erasable memory chip U5; Its circuit is as shown in Figure 7, and first microprocessor 11 is through this internal memory of TW two wire serial mode control.This erasable memory chip U5 makes first microprocessor 11 have memory function.When operate as normal, can some data be write in this internal memory, even sudden power, the data in the internal memory still can store, and therefore can be used for storing significant data and current working state, directly use next time to make things convenient for the user.
As shown in Figure 2, first enter key 12 comprises a plurality of keys, and it is connected with said first microprocessor 11, is used to import the data in set blank explanation district.In the present embodiment, first enter key 12 comprises 40 keys, and it is four districts that 40 keys are divided into, and comprises that adjusting district 121, limit and angle adjustment district 122, cut zone selection district 123 and single switching for whole selects to distinguish 124, and comprises a memory button.
Said whole adjustment district 121 comprises standard-sized sheet key 1211, complete shut-down key 1212, little bright key 1213, half bright key 1214; Standard-sized sheet key 1211 (ALL ON)-revert to initial value wherein; Complete shut-down key 1212 (ALL OFF)-make completely without output; The color of little bright key 1213 (20%)-its output is that the color of original 20%, half bright key 1214 (50%)-its output is original 50%.Said limit and angle adjustment district 122 can adjust limit and angle respectively, wherein, when pressing 1,2 keys, four limits are moved with the adjustment limit.When pressing 3 keys, four angles are moved with the adjustment angle.What limit and angle adjustment district 42 exported is a rectangle.Cut zone selects district 123 can screen be become 4 districts, 9 districts or 16 districts.Said single the switching selects district 124 to be used to make single district to open or close, if select 4 or 9 districts, press＞4 or＞9 key is invalid.Also be provided with a memory button, can write down present demonstration,, return memory value by memory button again when by after arbitrary key in first district by memory button.
A said LCD display unit 13 is connected with said first microprocessor 11, is used to show the data in the blank explanation district that is imported.The one LCD display unit 13 comprises scanning frequency demonstration, the demonstration of horizontal picture element, vertical picture element demonstration, demonstration and shielding area shows and separated region quantity shows.Specifically as shown in Figure 3, a LCD display unit 13 is divided into two districts, and first district is 10 * 10 matrix, and two middle row A and two row B are half the width.Second district is a parameter display area, is made up of 11 seven segment codes, is respectively applied for reading scan frequency, horizontal picture element, vertical picture element, separated region quantity and per second frame update number of times etc.
Among Fig. 1, RF transmitter 14 is connected with said first microprocessor 11, be used to launch the data in the blank explanation district that will cut apart.This RF transmitter 14 can adopt universal infrared reflector, and its code signal with the data in set blank explanation district sends to blank explanation and distinguishes the infrared receiver 27 that cuts device.
Said blank explanation is distinguished and cut device 20 is control device of on projection screen, cutting apart blank explanation district.As shown in Figure 1, it comprises second microprocessor 21, second enter key 22, the 2nd LCD display unit 23, clear area color control unit 24, vertical, horizontal signal processing unit 25, VGA signal integration unit 26 and infrared receiver 27.
The structure of said second microprocessor 21, second enter key 22 and the 2nd LCD display unit 23 is identical with first microprocessor 11, first enter key 12 and a LCD display unit 13 respectively; And second enter key 22 and the 2nd LCD display unit 23 all are connected with second microprocessor 21, are respectively applied for the data and the data that show the blank explanation district that is imported in the set blank explanation of input district.
As shown in Figure 4, said clear area color control unit 24 is connected with the VGA signal integration unit 26 and second microprocessor 21, is used to control the ratio of RGB three looks output.This clear area color control unit 24 comprises many group DA transducers, is used for converting the digital quantity of input to proportional with it analog quantity.In the present embodiment, clear area color control unit 24 comprises three groups of ten DA transducers 241, serial line interface 242 and reference voltage generators 243, and Fig. 4 shows one group of DA transducer 241, serial line interface 242 and reference voltage generator 243.This DA transducer 241 has ten output accuracy, and its input is connected with second microprocessor 21 through serial line interface 242, and output is connected with the pin 1 of VGA signal integration unit 26, and DA transducer 241 changes color through output voltage.RGB (red RED, green GREEN, blue BLUE) color output independently separates, and is divided into 16 or 32, and wherein 0V is light color, and 5V is the most dark, and any color all can obtain through adjusting the RGB ratio.Among Fig. 4, serial line interface 242 (IIC SERIAL INTERFACE) is connected with microprocessor 10, is used for through ten numeral inputs of serial mode control.Reference voltage generator 243 (REFERENCE) is used to make output voltage more accurate.Second microprocessor 21 is controlled described three groups of DA transducers through the IIC serial signal and is obtained required voltage.
Said vertical, horizontal signal processing unit 25 comprises horizontal signal processing unit and vertical signal processing unit; It is connected with said second microprocessor 21; Be used for the vertical and horizontal signal of input is handled, with the serial of being imported vertical synchronizing signal and horizontal-drive signal convert the also column signal that is prone to judge to.
Owing to the VGA output of every computer or notebook computer is all different, this device utilizes high speed timer and high-speed counter to judge vertical, the horizontal signal of input, is divided into some districts (2 * 2,3 * 3,4 * 4 or 10 * 10) to it.
Fig. 5 shows the horizontal signal processing unit, and this unit comprises the high speed timer that is used to measure horizontal cycle, and this timer is made up of reverser and quartz (controlled) oscillator.In the present embodiment; It has one group of timer, and precision is 0.02083uSEC (1/48MHZ), comes in the VGA signal of the slowest 50HZ 320*240; Read 4000 pulses (not big) approximately than 4096; VGA signal in the fastest 120HZ 2048*1536 comes, and reads 260 pulses approximately, so need 12.No matter what are, remainder divides in the rightest district behind zoning, and example is read 260 pulses, and to be divided into 2 districts be 130,130, and being divided into three districts is 86,86,88, and being divided into 4 districts is 65,65,65,65, and being divided into preceding 8 districts, 9 districts all is to be that 28 the 9th districts are 36.
Fig. 6 shows the vertical signal processing unit, and this unit comprises the high-speed counter that is used for the horizontal number of times of measurement, and in the present embodiment, it has a set of counters, and precision is 12, can calculate 4096 pulses.No matter what are, remainder behind zoning divides in the rightest district, and for example reading 240 pulses, to be divided into 2 districts be 120,120, and being divided into three districts is 80,80,80, and being divided into 4 districts is 60,60,60,60, and being divided into preceding 8 districts, 9 districts all is to be that 26 the 9th districts are 32.For example reading 1536 pulses, to be divided into 2 districts be 768,768, and being divided into three districts is 512,512,512, and being divided into 4 districts is 384,384,384,384, and being divided into preceding 8 districts, 9 districts all is to be that 170 the 9th districts are 176.
If vertical, the horizontal signal that will import are preset as 9 * 9 districts, can angle and limit moved through the limit of enter key and 1,2,3 keys in angle adjustment district, the square type that is shown is uprised or become short, broaden or narrow down.Also predeterminable is 2 * 2,3 * 3 or 4 * 4 etc., through these lattice being shown or not showing.
As shown in Figure 1, said VGA signal integration unit 26 and clear area color control unit 24 and vertical, horizontal signal processing unit 25 are connected, and switch rgb signal synchronously through analog switch.In the present embodiment, VGA signal integration unit 26 comprises a triple-pole double throw analog switch, and it has a plurality of pins, each pin function such as table 1.
Table 1
| Pin | Definition | Pin | | Pin | Definition | |
| 1 | Red primary | 6 | |
11 | |
|
| 2 | Green primary | 7 | The |
12 | |
|
| 3 | Blue primary | 8 | |
13 | Horizontal signal | |
| 4 | Address code | 9 | Keep | 14 | Vertical signal | |
| 5 | Self- |
10 | Numerical digit ground | 15 | Address code |
Said VGA signal integration unit 26 is used for switching synchronously rgb signal, when switches by 21 controls of second microprocessor.It is original 20% or 50% that the color of output can be realized making in VGA signal integration unit 26, or makes functions such as picture is thin out.
Like Fig. 1, shown in Figure 7; The blank explanation of remote-controlled projecting apparatus of the present invention is distinguished and is cut device 100 in use; First enter key 12 or the direct blank of being distinguished on second enter key, the 22 input projection screens that cut device by the blank explanation by remote control are explained the data of distinguishing; If by 12 inputs of first enter key; Then data are sent to blank explanation and distinguish and cut device 20, and show by the 2nd LCD display unit 23 by remote control 10, vertical, horizontal signal processing unit 25 with the serial of being imported vertical synchronizing signal and horizontal-drive signal convert to be prone to judge and column signal; Second microprocessor 21 obtains related data from vertical, horizontal signal processing unit 25, and through the required blank explanation district data of VGA signal integration unit 26 outputs.
More specifically; Like Fig. 7,, then operate 1,2 keys on limit and the right, angle adjustment district of first enter key 12 or second enter key 22 if the content on the projection screen left side needs special explanation; Make right side bearing to three to five lattice that move to left; It is complete white that the right screen is become, and forms blank explanation district, and the speaker personnel can write the explanation content in this blank explanation district.If the content of projection screen bottom and upper segment all need be explained, then operate first enter key 12 or the limit of second enter key 22 and 1,2 keys of top, angle adjustment district earlier, make upper sideline move down three to five lattice, form blank explanation district in the projection screen top.After the top content has been explained, press earlier ALL ON and reply full frame, operate 1,2 following keys of enter key limit and angle adjustment district again, make and move three to five lattice on the lower sideline, can form blank explanation district in the bottom of projection screen.
Although through above embodiment the present invention is disclosed, protection scope of the present invention is not limited thereto, and is not departing under the condition of the present invention design, and the distortion that above each member is done, replacement etc. all will fall in the claim scope of the present invention.
Claims (9)
1. the blank of remote-controlled remote-controlled projecting apparatus explanation is distinguished and is cut device, it is characterized in that, this device comprises that remote control (10) and blank explanation differentiation cut device (20), and wherein, said remote control (10) comprising:
First microprocessor (11);
First enter key (12), it is connected with said first microprocessor (11), is used to import the data in set blank explanation district;
The one LCD display unit (13); It is connected with said first microprocessor (11), is used to show the data in the blank explanation district that is imported;
RF transmitter (14); It is connected with said first microprocessor (11), be used to launch the data in the blank explanation district that will cut apart;
Blank explanation differentiation is cut device (20) and being comprised:
Second microprocessor (21);
Second enter key (22), it is connected with said second microprocessor (10), is used to import the data in set blank explanation district;
The 2nd LCD display unit (23), it is connected with said second microprocessor (10), is used to show the data in the blank explanation district that is imported;
Clear area color control unit (24), it is connected with said second microprocessor (10), is used to control the ratio of RGB three looks output;
Vertically, horizontal signal processing unit (25), it is connected with said second microprocessor (10), with the serial of being imported vertical synchronizing signal and horizontal-drive signal convert to be prone to judge and column signal;
VGA signal integration unit (26), it is connected with clear area color control unit (24) and vertical, horizontal signal processing unit (25), switches rgb signal synchronously through analog switch;
Infrared receiver (27), it is connected with said second microprocessor (10), and
Said remote control (10) with the data in the blank explanation district that will cut apart send to blank explanation and distinguish and cut device (20); Or cut device (20) by blank explanation differentiation and directly import these data; And show by the 2nd LCD display unit (23); Vertically, horizontal signal processing unit (25) with the serial of being imported vertical synchronizing signal and horizontal-drive signal convert to be prone to judge and column signal; Second microprocessor (21) obtains related data from vertical, horizontal signal processing unit (25), and through the required blank explanation district data of VGA signal integration unit (26) output.
2. the blank explanation of remote-controlled projecting apparatus as claimed in claim 1 is distinguished and is cut device; It is characterized in that; Said first enter key (20) is identical with second enter key (22) structure; It comprises a plurality of keys, and a plurality of keys are divided into whole adjustment district, limit and angle adjustment district, cut zone and select district and single the switching to select the district, and comprise a memory button.
3. the blank explanation of remote-controlled projecting apparatus as claimed in claim 2 is distinguished and is cut device, it is characterized in that, said whole adjustment district includes standard-sized sheet key, complete shut-down key, little bright key, half bright key; Limit and rectangle of angle adjustment district output, it is adjustable treating selvedge and angle respectively; Cut zone selects the district can screen be become 4 districts, 9 districts or 16 districts, and single the switching selects the district to be used to make single district to open or close; Memory button writes down current demonstration.
4. the blank explanation of remote-controlled projecting apparatus as claimed in claim 3 is distinguished and is cut device, it is characterized in that, the color of said little bright key output is that the color of original 20%, half bright key output is original 50%.
5. the blank explanation of remote-controlled projecting apparatus as claimed in claim 1 is distinguished and is cut device; It is characterized in that; A said LCD display unit (13) is identical with the 2nd LCD display unit (23) structure, and it comprises scanning frequency demonstration, the demonstration of horizontal picture element, vertical picture element demonstration, demonstration and shielding area shows and separated region quantity shows.
6. the blank explanation of remote-controlled projecting apparatus as claimed in claim 5 is distinguished and is cut device, it is characterized in that a said LCD display unit (13) is divided into 10 * 10 matrix, and middle two row and two row are the width of half; The 2nd LCD display unit (23) is divided into two districts, and first district is 10 * 10 matrix, and middle two row and two row are half the width; Second district is a parameter display area, is made up of the seven segment code of a plurality of reading scan frequencies respectively, horizontal picture element, vertical picture element.
7. the blank explanation of remote-controlled projecting apparatus as claimed in claim 1 is distinguished and is cut device; It is characterized in that; Said clear area color control unit (24) comprises many group DA transducers, and second microprocessor (21) obtains required voltage through this DA transducer of serial signal control.
8. the blank explanation of remote-controlled projecting apparatus as claimed in claim 1 is distinguished and is cut device; It is characterized in that; Said vertical, horizontal signal processing unit (25) comprises the high-speed counter that is used to measure the high speed timer of horizontal cycle and is used for the horizontal number of times of measurement; Wherein, timer is made up of reverser and quartz (controlled) oscillator.
9. the blank explanation of remote-controlled projecting apparatus as claimed in claim 1 is distinguished and is cut device; It is characterized in that; Said VGA signal integration unit (26) is an analog switch, and it is connected with vertical, horizontal signal processing unit (25) and clear area color control unit (24) respectively, switches rgb signal synchronously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110312722.7A CN102510501B (en) | 2011-10-14 | 2011-10-14 | Remote-controlled device for dividing blank interpretation area of projector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110312722.7A CN102510501B (en) | 2011-10-14 | 2011-10-14 | Remote-controlled device for dividing blank interpretation area of projector |
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| Publication Number | Publication Date |
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| CN102510501A true CN102510501A (en) | 2012-06-20 |
| CN102510501B CN102510501B (en) | 2014-10-08 |
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| CN201110312722.7A Expired - Fee Related CN102510501B (en) | 2011-10-14 | 2011-10-14 | Remote-controlled device for dividing blank interpretation area of projector |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008277953A (en) * | 2007-04-26 | 2008-11-13 | Seiko Epson Corp | Projector |
| JP2009092801A (en) * | 2007-10-05 | 2009-04-30 | Seiko Epson Corp | Projector |
| CN102045526A (en) * | 2009-10-20 | 2011-05-04 | 三洋电机株式会社 | Projection image display apparatus |
| CN202261605U (en) * | 2011-10-14 | 2012-05-30 | 深圳市卓先实业有限公司 | Remotely-controllable blank explanation area segmenting device of projector |
-
2011
- 2011-10-14 CN CN201110312722.7A patent/CN102510501B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008277953A (en) * | 2007-04-26 | 2008-11-13 | Seiko Epson Corp | Projector |
| JP2009092801A (en) * | 2007-10-05 | 2009-04-30 | Seiko Epson Corp | Projector |
| CN102045526A (en) * | 2009-10-20 | 2011-05-04 | 三洋电机株式会社 | Projection image display apparatus |
| CN202261605U (en) * | 2011-10-14 | 2012-05-30 | 深圳市卓先实业有限公司 | Remotely-controllable blank explanation area segmenting device of projector |
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| CN102510501B (en) | 2014-10-08 |
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