CN102510501B - 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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- CN102510501B CN102510501B CN201110312722.7A CN201110312722A CN102510501B CN 102510501 B CN102510501 B CN 102510501B CN 201110312722 A CN201110312722 A CN 201110312722A CN 102510501 B CN102510501 B CN 102510501B
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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, word be amplified and be projected in the projection device on projection screen, particularly relate to a kind of both can retaining projection content, divisiblely again go out white space for explanation, and the blank explanation area segmenting device of the remote-controlled projecting apparatus of remote control in addition.
[background technology]
At present, projection device has been widely used in the multiple occasions such as teaching, meeting, exhibition.Along with scientific and technological development, the enlargement ratio of projection device, definition etc. are all in continuous lifting.Yet, though conventional projector device has solved the projective amplification problem of project content, but in actual teaching and meeting practice, the content of institute's projection usually needs to be explained, and the main points of explanation need to write on blank, now, just projecting apparatus need to cut out, and projection screen is risen, this makes projection device constantly to open or to close, not only affect the fluency of meeting or teaching process, also affected to a certain extent the result of use of projection device.As mentioned above, because the projection of general projectors device can not be synchronizeed and carry out with explanation on same projection screen, cause the discontinuous of meeting and teaching process, and frequently closing also of projection device can affect its useful life.
[summary of the invention]
The present invention is intended to address the above problem, and provide a kind of both can retaining projection content, can on projection device, be partitioned into by operation push-button again blank explanation district, make needn't switch projection device just can to make projection to synchronize the blank explanation area segmenting device of the remote-controlled projecting apparatus that carries out with explaining.
For achieving the above object, the invention provides a kind of blank explanation area segmenting device of remote-controlled projecting apparatus, this device comprises remote control and blank explanation area segmenting device, and wherein, described remote control comprises:
First microprocessor;
The first enter key, it is connected with described first microprocessor, for inputting the data in set blank explanation district;
The one LCD display unit; It is connected with described first microprocessor, for showing the data in inputted blank explanation district;
Infrared transmitter; It is connected with described first microprocessor, for launching the data in the blank explanation district that will cut apart;
Blank explanation area segmenting device comprises:
The second microprocessor;
The second enter key, it is connected with described the second microprocessor, for inputting the data in set blank explanation district;
The 2nd LCD display unit, it is connected with described the second microprocessor, for showing the data in inputted blank explanation district;
Clear area color control unit, it is connected with described the second microprocessor, for controlling the ratio of RGB tri-look outputs;
Vertically, horizontal signal processing unit, it is connected with described the second microprocessor, by inputted serial vertical synchronizing signal and horizontal-drive signal convert easy judgement to and column signal;
VGA signal integration unit, it is connected with clear area color control unit and vertical, horizontal signal processing unit, by analog switch, synchronously switches rgb signal;
Infrared receiver, it is connected with described the second microprocessor, and
Described remote control sends to blank explanation area segmenting device by the data in the blank explanation district that will cut apart, or directly input these data by blank explanation area segmenting device, and shown by the 2nd LCD display unit, vertically, horizontal signal processing unit by inputted serial vertical synchronizing signal and horizontal-drive signal convert easy judgement to and column signal, the second microprocessor obtains related data from vertical, horizontal signal processing unit, and exports required blank explanation district data by VGA (video graphics array) signal integration unit.
The 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 and adjust district, limit and adjustment district, angle, cut zone selection district and single switching selection district, and comprise a memory button.
Adjust district for whole and include standard-sized sheet key, complete shut-down key, glimmer key, half bright key; Limit and a rectangle of adjustment district, angle output, it is adjustable side and angle respectively; Cut zone selects district screen can be become to 4 districts, Huo16Ge district, 9 districts, and single switching selects district to be used for making single district to open or close; Memory button records current demonstration.
The color of glimmer 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 the width of half; The 2nd LCD display unit is divided into Er Ge district, the matrix that the firstth district is 10 * 10, and middle two row and two row are the width of half; Second Region is parameter display area, the seven segment code of a plurality of reading scan frequencies respectively, horizontal picture element, vertical picture element, consists of.
Clear area color control unit comprises many group DA transducers, and the second microprocessor is controlled this DA transducer by serial signal and obtained required voltage.
Vertically, horizontal signal processing unit comprises for measuring the high speed timer of horizontal cycle and for measuring the high-speed counter of horizontal number of times, wherein, timer consists of reverser and quartz (controlled) oscillator.
VGA signal integration unit is analog switch, and it is connected with vertical, horizontal signal processing unit and clear area color control unit respectively, synchronously switches rgb signal.
Contribution of the present invention is, it efficiently solves the problem of cutting apart blank explanation district on projection device.Device of the present invention both can retaining projection content, can on projection device, be partitioned into by operation push-button again blank explanation district, make participant or listen speaker both can see project content, can see the explanation content of writing in clear area again simultaneously, and therefore frequently switch projection device or lifting screen guaranteed continuity and fluency and meeting or the teaching efficiency of teaching or meeting.Meanwhile, the data of separating blank interpretation area also can be inputted by remote control mode, convenient and practical.The features such as the present invention also has structure and simple to operate, easy to implement.
[accompanying drawing explanation]
Fig. 1 is structured flowchart of the present invention.
Fig. 2 is enter key schematic diagram of the present invention.
Fig. 3 is LCD display unit schematic diagram of the present invention.
Fig. 4 is clear area of the present invention color control unit schematic diagram.
Fig. 5 is horizontal signal processing unit schematic diagram of the present invention.
Fig. 6 is vertical signal processing unit schematic diagram of the present invention.
Fig. 7 is the relationship example schematic diagram that enter key of the present invention and LCD display unit show.
[embodiment]
The following example is further explanation of the present invention, and the present invention is not constituted any limitation.
Consult Fig. 1, the blank explanation area segmenting device 100 of remote-controlled projecting apparatus of the present invention comprises remote control 10 and blank explanation area segmenting device 20, wherein, described remote control 10 comprises first microprocessor 11, the first enter key 12, a LCD display unit 13 and infrared transmitter 14.
In Fig. 1, described first microprocessor 11 can be the microprocessor that any known electric heating control is used, in this example, select HT46R067 type microprocessor, this first microprocessor 11 is provided with erasable memory chip U5, as shown in Figure 7, first microprocessor 11 is controlled this internal memory by TW two wire serial mode to its circuit.This erasable memory chip U5 makes first microprocessor 11 have memory function.When normal work, some data can be write in this internal memory, even power-off suddenly, the data in internal memory still can store, and therefore can be used for storing significant data and current operating state, to facilitate user directly to use next time.
As shown in Figure 2, the first enter key 12 comprises a plurality of keys, and it is connected with described first microprocessor 11, for inputting the data in set blank explanation district.In the present embodiment, the first enter key 12 comprises 40 keys, and 40 keys are divided into Si Ge district, comprises that adjusting district 121, limit and adjustment district, angle 122, cut zone selection district 123 and single switching for whole selects district 124, and comprises a memory button.
Described whole adjustment district 121 comprises standard-sized sheet key 1211, complete shut-down key 1212, the bright key 1214 of glimmer key 1213, half, 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 glimmer key 1213 (20%)-its output is that the color of original 20%, half bright key 1214 (50%)-its output is original 50%.Described limit and adjustment district, angle 122 can adjust respectively limit and angle, wherein, press 1, during 2 key, can make respectively four limits move to adjust limit.While pressing 3 key, can make respectively four angles move to adjust angle.What limit and adjustment district, angle 42 exported is a rectangle.Cut zone selects district 123 screen can be become to 4th district, 9 Huo16 districts, district.Described single switching selects district 124 for single district is opened or closed, if select 4 or 9 districts, the key of pressing > 4 or > 9 is invalid.Also be provided with a memory button, by memory button, can write down current demonstration, after pressing arbitrary key in the firstth district, then return to memory value by memory button.
A described LCD display unit 13 is connected with described first microprocessor 11, for showing the data in inputted blank explanation district.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 Er Ge district, the matrix that the firstth district is 10 * 10, and middle two row A and two row B are the width of half.Second Region is parameter display area, 11 seven segment codes, consists of, and is respectively used to reading scan frequency, horizontal picture element, vertical picture element, separated region quantity and renewal picture number of times per second etc.
In Fig. 1, infrared transmitter 14 is connected with described first microprocessor 11, for launching the data in the blank explanation district that will cut apart.This infrared transmitter 14 can adopt universal infrared reflector, and its code signal by the data in set blank explanation district sends to the infrared receiver 27 of blank explanation area segmenting device.
Described blank explanation area segmenting device 20 is control device of cutting apart blank explanation district on projection screen.As shown in Figure 1, it comprises the second microprocessor 21, the 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 described the second microprocessor 21, the second enter key 22 and the 2nd LCD display unit 23 is identical with first microprocessor 11, the first enter key 12 and a LCD display unit 13 respectively, and the second enter key 22 and the 2nd LCD display unit 23 are all connected with the second microprocessor 21, the data that are respectively used to input the data in set blank explanation district and show the blank explanation district inputting.
As shown in Figure 4, described clear area color control unit 24 is connected with VGA signal integration unit 26 and the second microprocessor 21, for controlling the ratio of RGB tri-look outputs.This clear area color control unit 24 comprises many group DA transducers, for the digital quantity of input being converted to proportional analog quantity with it.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 the output accuracy of ten, and its input is connected with the second microprocessor 21 by serial line interface 242, and output is connected with the pin 1 of VGA signal integration unit 26, and DA transducer 241 changes color by 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 by adjustment RGB ratio.In Fig. 4, serial line interface 242 (IIC SERIAL INTERFACE) is connected with microprocessor 10, for control ten numeral inputs by serial mode.Reference voltage generator 243 (REFERENCE) is for making output voltage more accurate.The second microprocessor 21 is controlled three groups of described DA transducers by IIC serial signal and is obtained required voltage.
Described vertical, horizontal signal processing unit 25 comprises horizontal signal processing unit and vertical signal processing unit, it is connected with described the second microprocessor 21, for the vertical and horizontal signal to input, process, by inputted serial vertical synchronizing signal and horizontal-drive signal convert the also column signal of easy judgement to.
Because 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, and it is divided into some districts (2 * 2,3 * 3,4 * 4 or 10 * 10).
Fig. 5 shows horizontal signal processing unit, and this unit comprises that this timer consists of reverser and quartz (controlled) oscillator for measuring the high speed timer of horizontal cycle.In the present embodiment, it has one group of timer, precision is 0.02083uSEC (1/48MHZ), VGA signal in the slowest 50HZ 320*240 comes, approximately read 4000 pulses (not large than 4096), VGA signal in the fastest 120HZ 2048*1536 comes, and approximately reads 260 pulses, therefore need 12.No matter be how many, remainder Fen You district after being divided into some districts, example is read 260 pulses, and to be divided into 2nd district be 130,130, being divided into 3rd district is 86,86,88, being divided into 4th district is 65,65,65,65, be divided into front 8th district, 9th district and be all for 28 9th district be 36.
Fig. 6 shows vertical signal processing unit, and this unit comprises for measuring the high-speed counter of horizontal number of times, and in the present embodiment, it has one group of counter, and precision is 12, can calculate 4096 pulses.No matter be how many, the remainder Fen You district after being divided into some districts, for example reading 240 pulses, to be divided into 2nd district be 120,120, being divided into 3rd district is 80,80,80, being divided into 4th district is 60,60,60,60, be divided into front 8th district, 9th district and be all for 26 9th district be 32.For example reading 1536 pulses, to be divided into 2nd district be 768,768, and being divided into 3rd district is 512,512,512, and being divided into 4th district is 384,384,384,384, be divided into front 8th district, 9th district and be all for 170 9th district be 176.
If vertical, the horizontal signal of input are preset as to 9th * 9 district, can angle and limit be moved by the limit of enter key and 1,2,3 keys in adjustment district, angle, make shown square type uprise or become short, broaden or narrow down.Also predeterminable is 2 * 2,3 * 3 or 4 * 4 etc., by pressing numerical key, makes these lattice show or not show.
As shown in Figure 1,26Yu clear area, described VGA signal integration unit color control unit 24 and vertical, horizontal signal processing unit 25 connections, synchronously switch rgb signal by 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, and each pin function is as table 1.
Table 1
| Pin | Definition | Pin | Definition | Pin | Definition |
| 1 | Red primary | 6 | Red ground | 11 | Address code |
| 2 | Green primary | 7 | Greenery patches | 12 | Address code |
| 3 | Blue primary | 8 | Blue ground | 13 | Horizontal signal |
| 4 | Address code | 9 | Retain | 14 | Vertical signal |
| 5 | Self-test | 10 | Numerical digit ground | 15 | Address code |
When described VGA signal integration unit 26, for the synchronous rgb signal that switches, switches by the second microprocessor 21 and controls.VGA signal integration unit 26 can be realized and make the color of output is original 20% or 50%, or makes the functions such as picture is thin out.
As Fig. 1, shown in Fig. 7, the blank explanation area segmenting device 100 of remote-controlled projecting apparatus of the present invention in use, the first enter key 12 or the direct data by the blank explanation district on the second enter key 22 input projection screens of blank explanation area segmenting device by remote control, if by the first enter key 12 inputs, by remote control 10, data are sent to blank explanation area segmenting device 20, and shown by the 2nd LCD display unit 23, vertically, horizontal signal processing unit 25 by inputted serial vertical synchronizing signal and horizontal-drive signal convert easy judgement to and column signal, the second microprocessor 21 is from vertically, horizontal signal processing unit 25 obtains related data, and by the required blank explanation district data of VGA signal integration unit 26 outputs.
More specifically, as Fig. 7, if the content on the projection screen left side needs special explanation, operate 1,2 keys on limit and the right, adjustment district, angle of the first enter key 12 or the second enter key 22, make right side bearing to three to five lattice that move to left, can make the right screen become complete white, form blank explanation district, speaker personnel can write explanation content in this blank explanation district.If the content of projection screen bottom and upper segment all needs explanation, first operate 1,2 keys of limit and the top, adjustment district, angle of the first enter key 12 or the second enter key 22, make upper sideline move down three to five lattice, in projection screen top, form blank explanation district.After top content has been explained, first press ALL ON and reply full frame, then operate enter key limit 1,2 keys following with adjustment district, angle, make to move three to five lattice on lower sideline, can explain district in following the formations blank of projection screen.
Although the present invention is disclosed by above embodiment, protection scope of the present invention is not limited to this, is not departing under the condition of the present invention's design, and the distortion that above each member is done, replacement etc. all will fall within the scope of claim of the present invention.
Claims (3)
1. a blank explanation area segmenting device for remote-controlled projecting apparatus, is characterized in that, this device comprises remote control (10) and blank explanation area segmenting device (20), and wherein, described remote control (10) comprising:
First microprocessor (11);
The first enter key (12), it is connected with described first microprocessor (11), for inputting the data in set blank explanation district;
The one LCD display unit (13); It is connected with described first microprocessor (11), for showing the data in inputted blank explanation district;
Infrared transmitter (14); It is connected with described first microprocessor (11), for launching the data in the blank explanation district that will cut apart;
Blank explanation area segmenting device (20) comprising:
The second microprocessor (21);
The second enter key (22), it is connected with described the second microprocessor (21), for inputting the data in set blank explanation district;
Described the first enter key (20) is identical with the second enter key (22) structure, and it comprises a plurality of keys, and a plurality of keys are divided into whole and adjust district, limit and adjustment district, angle, cut zone selection district and single switching selection district, and comprise a memory button;
The 2nd LCD display unit (23), it is connected with described the second microprocessor (21), for showing the data in inputted blank explanation district;
A described 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, viewing area and shielding area shows and separated region quantity shows;
A described LCD display unit (13) is divided into 10 * 10 matrix, and two middle row and two row are half width of other ranks; The 2nd LCD display unit (23) is divided into Er Ge district, the matrix that the firstth district is 10 * 10, and two middle row and two row are half width of other ranks; Second Region is parameter display area, the seven segment code of a plurality of reading scan frequencies respectively, horizontal picture element, vertical picture element, consists of;
Clear area color control unit (24), it comprises many group DA transducers, this clear area color control unit (24) is connected with described the second microprocessor (21), for controlling the ratio of RGB tri-look outputs, described the second microprocessor (21) is controlled this DA transducer by serial signal and is obtained required voltage;
Vertically, horizontal signal processing unit (25), it comprises for measuring the high speed timer of horizontal cycle and for measuring the high-speed counter of horizontal number of times, wherein, timer consists of reverser and quartz (controlled) oscillator, this is vertical, horizontal signal processing unit (25) is connected with described the second microprocessor (21), converts the vertical synchronizing signal of inputted serial and horizontal-drive signal to also column signal;
VGA signal integration unit (26) is analog switch, and it is connected with clear area color control unit (24) and vertical, horizontal signal processing unit (25), by analog switch, synchronously switches rgb signal;
Infrared receiver (27), it is connected with described the second microprocessor (21), and
Described remote control (10) sends to blank explanation area segmenting device (20) by the data in the blank explanation district that will cut apart, or directly input these data by blank explanation area segmenting device (20), and shown by the 2nd LCD display unit (23), vertically, horizontal signal processing unit (25) is by the vertical synchronizing signal of inputted serial and horizontal-drive signal converts to and column signal, the second microprocessor (21) is from vertically, horizontal signal processing unit (25) obtains related data, and export required blank explanation district data by VGA signal integration unit (26).
2. the blank explanation area segmenting device of remote-controlled projecting apparatus as claimed in claim 1, is characterized in that, described whole adjustment district includes standard-sized sheet key, complete shut-down key, glimmer key, half bright key; Limit and a rectangle of adjustment district, angle output, it is adjustable side and angle respectively; Cut zone selects district screen can be divided into 4 districts, Huo16Ge district, 9 districts, and single switching selects district to be used for making single district to open or close; Memory button records current demonstration.
3. the blank explanation area segmenting device of remote-controlled projecting apparatus as claimed in claim 2, is characterized in that, the colour brightness of described glimmer key output is that the colour brightness of original 20%, half bright key output is original 50%.
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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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| 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 CN102510501A (en) | 2012-06-20 |
| CN102510501B true 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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| CN102510501A (en) | 2012-06-20 |
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