CN100413331C - Image display device with anti-sleepy function and its controlling method - Google Patents
Image display device with anti-sleepy function and its controlling method Download PDFInfo
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- CN100413331C CN100413331C CNB2004100506306A CN200410050630A CN100413331C CN 100413331 C CN100413331 C CN 100413331C CN B2004100506306 A CNB2004100506306 A CN B2004100506306A CN 200410050630 A CN200410050630 A CN 200410050630A CN 100413331 C CN100413331 C CN 100413331C
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Abstract
The present invention relates to an image display device with an anti-sleepiness function and a control method thereof, which can be used for preventing the sleepiness of a driver. The present invention is composed of a digital audio broadcasting receiver, an MPEG-4 standard decoder and a loudspeaker, a keyboard input part, a storage part which can store various kinds of alarm sound or enquiry sound information, a speech recognition part used for receiving the speech input of the driver, a control part and a switching part, wherein the control part judges whether an anti-sleepiness mode is set through the keyboard input part, controls sound information stored in the storage part to be output through the loudspeaker according to a judgement result, and determines whether the sleepiness preventing mode can be removed through whether the answer signals of the driver are input into the speech recognition part; the switching part selectively outputs audio signals according to the control signal of the control part. The present invention can prevent the sleepiness of the driver in maximum scale, and has the effect of accident prevention in advance.
Description
Technical field
The present invention relates to a kind of image display, relate in particular to a kind of DMB easy to carry (Digital Multimedia Broadcasting is hereinafter to be referred as DMB) system that utilizes and to set sleepy sleepy image display and the control method thereof that prevents function of having of function that prevent.
Background technology
Usually DMB (DMB) occupies an important position in cross-centennial standards for digital broadcasting scheme, it is a kind of new broadcast technology, it is Applied Digital radio broadcasting (Digital RadioBroadcasting is hereinafter to be referred as DRB) technology, simultaneously when transmitting MPEG-4 normal video/audio frequency, can be in moving process the cross-centennial broadcast technology of receiving digital television signal.
DMB (DMB) receiver is as equipment easy to carry, most of purposes considers in vehicle, open-air or move in audiovisual digital television broadcasting and developing.
If make the digital television receiver that utilizes this broadcast technology, then not only needing to consider can receiving digital broadcast as existing fixed formula television set audiovisual user, but also the problem of how to store digital broadcasting information when needing to consider to utilize digital memeory device.
Below, with reference to accompanying drawing, general DMB (DMB) receiver is described.
Fig. 1 is the formation block diagram of general digital multimedia (DMB) receiver.
The formation of general digital multimedia (DMB) receiver is to be made of following structure as shown in Figure 1: receive digital audio and video signals and digital video signal and digital audio broadcasting (DAB) receiver 101 that is provided with; In the image and speech signal of the MPEG-4 standard that in digital audio broadcasting (DAB) receiver 101, receives by channel categories, the channel decoders 102 that is provided with for abating the noise; The image and the speech signal of the MPEG-4 standard of handling in the receiving channels decoder 102, and the MPEG-4 standard decoder 103 that the image that receives and speech signal are deciphered; The display part 104 that the picture signal of deciphering by MPEG-4 standard decoder 103 for demonstration is provided with; Be the speech signal of exporting the MPEG-4 standard of deciphering by MPEG-4 standard decoder 103 or the loud speaker 105 that the audio signal of the Moving Picture Experts Group-2 of reception is provided with in digital audio broadcasting (DAB) receiver 101; The control part 106 and the storage part 107 that are provided with for exporting various control signals according to customer requirements.
General DMB (DMB) receiver, its course of work is described as follows: in data image signal and speech signal that digital audio broadcasting (DAB) receiver 101 receives, to the audio signal of Moving Picture Experts Group-2, directly export by loud speaker 105 without other signal processing; And to the audio signal of MPEG-4 standard, after abating the noise through channel decoders 102, in MPEG-4 standard decoder 103, decipher and the signal of decoding is exported by loud speaker 105.
And,, after in channel decoders 102, abating the noise, decipher and the signal of decoding shown at display part 104 by MPEG-4 standard decoder 103 to the digital signal that receives by digital audio broadcasting (DAB) receiver 101.
But this DMB (DMB) receiver only has the function that the broadcast singal that receives is shown.Therefore, if use in driving procedure, then the driver that sleepy state is driven does not down have the sleepy of what way prevention driver, therefore has the problem that increases accident hazard.
Summary of the invention
The present invention provides a kind of sleepy image display and control method thereof that prevents function that have in order to solve above-mentioned technology, purpose is if the driver sets the sleepy pattern that prevents, then any time tells sleepy state to the driver by the language message of storage portion stores, therefore, can prevent the driver sleepy in advance.
And another purpose is because the present invention can the sleepy state of advance preventing, therefore, and generation that can the minimizing accident.
For the present invention that achieves the above object has the sleepy image display that prevents function, comprise the digital audio broadcasting receiver that receives digital tone signal and vision signal and be provided with; Audio frequency and vision signal that the digital audio broadcasting receiver is received are treated to the signal that can export and MPEG-4 standard decoder and the loud speaker that is provided with; Input the driver require to order and the keyboard input part that is provided with; The audio signal of storing various alarm sounds or in the audio signal that the digital audio broadcasting receiver receives, setting by the driver and the storage part that is provided with; The language identification portion that receives the input of driver's language and be provided with; Whether judgement sets the sleepy pattern that prevents by keyboard input part, and the acoustic information that comes according to judged result to store in the control store portion determines whether removing the sleepy control part that prevents that pattern is provided with according to whether import driver's answer signal from language identification portion when can export by loud speaker; According to the control signal of control part, the audio signal that the digital audio broadcasting receiver is received or the audio signal of storage portion stores are selectively exported and the switch portion that is provided with.
Above-mentioned storage part is store alarms sound, inquiry message and digital audio broadcasting receiver sound intermediate frequency signal.
Above-mentioned language identification portion is made of microphone.
For the present invention that achieves the above object has the sleepy control method that prevents the image display of function, promptly has the digital audio broadcasting receiver that receives tone signal and vision signal and be provided with; Audio frequency that will receive by the digital audio broadcasting receiver and vision signal are treated to the control method of the image display of MPEG-4 standard decoder that the signal that can export is provided with and loud speaker, storage part and language identification portion, be to constitute:, then carry out the judgement stage through the time of setting to whether if the driver sets the sleepy pattern that prevents by the following stage; If judged result has been passed through the time of setting, then cut off the audio signal that receives by the digital audio broadcasting receiver, and the audio signal of storage portion stores is carried out output stage; After the audio signal of output storage portion stores, whether import answer signal according to driver in the time of setting, carry out the control stage to whether switching normal mode.
It is that alarm sound or inquiry message are done stage of exporting that above-mentioned audio signal to storage portion stores is carried out output stage.
Above-mentioned to carry out the control stage be to be made of the following stage to whether switching normal mode: after the audio signal of output storage portion stores, if the driver imports answer signal in the time of setting, then switch to normal mode, and the audio signal that receives from the digital audio broadcasting receiver is carried out output stage; After the audio signal of output storage portion stores,, be judged as sleepy pattern so and import the stage of volume being continued increase till the answer signal to the driver if in the time of setting, do not exist the driver to import answer signal.
Above-mentionedly whether the driver is imported answer signal to carry out the judgement stage be in language input or keyboard input, import the stage that one of them is judged.
Advantageous effect of the present invention: the present invention has the sleepy image display of function and the control method thereof of preventing and has following effect:
The first, by vehicle with image display in order to prevent the sleepy of drivers, can set the sleepy pattern that prevents, and sleepyly prevent that pattern from exporting and can prevent sleepy language message according to what set, therefore, prevent that to greatest extent the driver's is sleepy.
The second, owing to prevent the sleepy of driver to greatest extent, therefore, can trouble-savingly take place.
The 3rd, only set the sleepy pattern that prevents with the selection simple menu, therefore, realize driver's the input of replying easily by simple language identification or switch input etc., thus the sleepy pattern that prevents of use that can be safer in driving procedure.
Description of drawings
Fig. 1 is the formation block diagram of general digital multimedia DMB receiver.
Fig. 2 has the sleepy formation block diagram that prevents the image display of function.
Fig. 3 has the sleepy control method flow chart that prevents the image display of function.
To accompanying drawing major part symbol description:
101: digital audio broadcasting (DAB) receiver; 102: channel decoders; 103:MPEG-4 standard decoder; 104: display part; 105: loud speaker; 201: keyboard input part; 202: control part; 203: storage part; 204: language identification portion; 205: switch portion.
Embodiment
Below, with reference to accompanying drawing, describe having the sleepy image display of function and the control method thereof of preventing.
Fig. 2 has the sleepy formation block diagram that prevents the image display of function; Fig. 3 has the sleepy control method flow chart that prevents the image display of function.
Of the present invention have the sleepy image display that prevents function as shown in Figure 2, is to be made of following structure: receive digital audio and video signals and digital video signal and digital audio broadcasting (DAB) receiver 101 that is provided with; In the image and speech signal of the MPEG-4 standard that in digital audio broadcasting (DAB) receiver 101, receives by channel categories, the channel decoders 102 that is provided with for abating the noise; The image and the speech signal of the MPEG-4 standard of handling in the receiving channels decoder 102, and the MPEG-4 standard decoder 103 of the decoding that the image that receives and speech signal are carried out; The display part 104 that the picture signal of deciphering by MPEG-4 standard decoder 103 for demonstration is provided with; The keyboard input part 201 of importing driver's order and being provided with; The audio signal of storing various alarm sounds or in the audio signal that digital audio broadcasting (DAB) receiver receives, setting by the driver and the storage part 203 that is provided with; The language identification portion 204 that receives the input of driver's language and be provided with; Whether judgement sets the sleepy pattern that prevents by keyboard input part 201, and when coming in the control store portion 203 acoustic information of storage can export, according to determining whether removing the sleepy control part 202 that prevents that pattern is provided with from driver's answer signal of language identification portion 204 inputs or the signal by keyboard input part 201 inputs by loud speaker 105 according to judged result; According to the control signal of control part 202,, selectively export the switch portion 205 that is provided with by loud speaker 105 to by the audio signal of digital audio broadcasting (DAB) receiver 101 receptions or the audio signal of storage part 203 storages.Above-mentioned language identification portion is made of microphone.
Here, display part 104 is to be made of touch pad, and simultaneously explicit user can be set the menu of sleepy operational mode, and with reference to menu, the user can select the menu of own hope by direct touch menu.
Have the sleepy image display that prevents function as above-mentioned the present invention, its course of work be described as follows:
If order by keyboard input part 201 input energized, then in data image signal and speech signal that digital audio broadcasting (DAB) receiver 101 receives, to the audio signal of Moving Picture Experts Group-2, directly export by loud speaker 105 without other signal processing; And to the audio signal of MPEG-4 standard, after abating the noise through channel decoders 102, decipher and the signal of decoding is exported by loud speaker 105 by MPEG-4 standard decoder 103.
And if the driver sets the sleepy pattern that prevents by menu, then control part 202 receives the input pattern set and begins to count from the time of setting; If passed through the time of setting, then export the alarm sound or the inquiry sound of storage in the storage part 203, and whether driver is within a certain period of time imported answer signal judge.
At this moment, control part 202 is if the alarm sound of output storage part 203 storages then needs to judge by keyboard input part 201 whether import the releasing order; If the inquiry sound of output storage part 203 storage needs then to judge that the driver is whether from the answer of the corresponding inquiry of language identification portion 204 inputs.
Therefore, control part 202 is if within a certain period of time by keyboard input part 201 or language identification portion 204 input answer signals, be judged as the driving under the normal condition so, and output is from the audio signal of digital audio broadcasting (DAB) receiver 101 receptions.
And, control part 202, if do not import answer signal by keyboard input part 201 or language identification portion 204 within a certain period of time, be judged as the driving under the sleepy state so, and when volume continue increased, then continue to judge whether import answer signal from keyboard input part 201 or language identification portion 204.
The present invention to above-mentioned formation has the sleepy control method that prevents the image display of function, is described as follows with reference to Fig. 3: at first, if the user imports the energized order, then need to judge whether to set sleepy pattern (S101-S102).
Then, if judge that (S102) result for having set sleepy pattern, then continues the time (S103) that judges whether that process is set.
Be time if judge (S103) result, then cut off the speech signal output of the DMB (DMB) that receives by digital audio broadcasting (DAB) receiver 101 through setting, and the alarm sound of output storage portion stores or inquiry sound (S104).
Then, whether the alarm sound of output or inquiry sound corresponding driver's answer signal are existed judge (S105).
Then, if judge that (S105) result for there being driver's answer signal, is judged as the driving under the normal condition so, and output is removed the sleepy pattern (S106) that prevents simultaneously by the audio signal that DMB DMB receiver receives.
Then, continue to judge whether the user resets sleepy pattern (S107).
Then, if judge (S107) result for the user has reset sleepy pattern, then turn back to (S103) stage, and continue the sleepy pattern that prevents of startup; If judged result has not reset sleepy pattern for the user, then till importing the powered-down order, the user gets back to (S102) stage.
And, if above-mentioned judgement (S105) result is the answer signal through not existing the driver to import behind the certain hour, then be judged as the driving under the sleepy state, and when the volume of DMB (DMB) receiver progressively increased, (S105) stage that turns back to continued to judge whether to exist driver's answer signal (S109).
If judge that (S102) result does not set sleepy pattern for the user, then drive existing DMB DMB receiver system (S110).
The invention described above has and sleepyly prevents that the image display of function and control method thereof from being to utilize the image display of vehicle, if the driver sets the sleepy pattern that prevents, then any time is waited the language message of storage part 203 storage by alarm sound or inquiry stimulates the driver, and to judge whether to exist driver's answer signal, identification simultaneously according to situation about stimulating be to drive under the normal condition or sleepy state is driven down.
And, if be identified as driving under the sleepy state, then automatically volume is progressively increased, therefore, can prevent that the driver's is sleepy.
Claims (7)
1. have the sleepy image display that prevents function, comprise having the digital audio broadcasting receiver that receives digital audio and video signals and vision signal;
MPEG-4 standard decoder and loud speaker that audio frequency that the digital audio broadcasting receiver is received and vision signal are treated to the signal that can export;
It is characterized in that also comprising following structure: the input driver requires the keyboard input part of ordering;
The storage part of the audio signal of storing various alarm sounds or in the audio signal that the digital audio broadcasting receiver receives, setting by the driver;
Receive the speech recognition portion of driver's language input;
Whether judgement sets the sleepy pattern that prevents by keyboard input part, and the acoustic information that comes according to judged result to store in the control store portion determines whether removing the sleepy control part that prevents pattern according to the answer signal of whether importing the driver from speech recognition portion when can export by loud speaker;
According to the control signal of control part, to the audio signal of digital audio broadcasting receiver reception or the audio signal of storage portion stores, the switch portion of selectively exporting.
2. according to claim 1 have a sleepy image display that prevents function, it is characterized in that above-mentioned storage part is store alarms sound, inquiry message and digital audio broadcasting receiver sound intermediate frequency signal.
3. according to claim 1 have a sleepy image display that prevents function, it is characterized in that above-mentioned speech recognition portion is made of microphone.
4. have the sleepy control method that prevents the image display of function, audio frequency that promptly have the digital audio broadcasting receiver that receives digital tone signal and vision signal and be provided with, the digital audio broadcasting receiver is received and vision signal are treated to the signal that can export and the control method of the image display of the MPEG-4 standard decoder that is provided with and loud speaker, storage part and speech recognition portion is to be made of the following stage:
If the driver sets the sleepy pattern that prevents, then to whether carrying out the judgement stage above official hour;
If judged result has been passed through the time of setting, then cut off the audio signal that receives by the digital audio broadcasting receiver, and the audio signal of storage portion stores is carried out output stage; And,
After the audio signal of output storage portion stores, whether import answer signal according to driver in the time of setting, carry out the control stage to whether switching normal mode.
5. according to claim 4 have a sleepy control method that prevents the image display of function, it is characterized in that it is the stage that alarm sound or inquiry message are exported that above-mentioned audio signal to storage portion stores is carried out output stage.
6. according to claim 4 have a sleepy control method that prevents the image display of function, it is characterized in that above-mentioned to carry out the control stage be to be made of the following stage to whether switching normal mode:
After the audio signal of output storage portion stores, if the driver imports answer signal in the time of setting, then switch to normal mode, and the audio signal that receives from the digital audio broadcasting receiver is carried out output stage;
After the audio signal of output storage portion stores,, be judged as sleepy pattern so and import the stage of volume being continued increase till the answer signal to the driver if in the time of setting, do not exist the driver to import answer signal.
7. according to claim 6 have a sleepy control method that prevents the image display of function, it is characterized in that above-mentionedly whether the driver being imported answer signal to carry out the judgement stage be in the input of phonetic entry or keyboard, import the stage that one of them is judged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100506306A CN100413331C (en) | 2004-10-20 | 2004-10-20 | Image display device with anti-sleepy function and its controlling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100506306A CN100413331C (en) | 2004-10-20 | 2004-10-20 | Image display device with anti-sleepy function and its controlling method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1764250A CN1764250A (en) | 2006-04-26 |
| CN100413331C true CN100413331C (en) | 2008-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100506306A Expired - Fee Related CN100413331C (en) | 2004-10-20 | 2004-10-20 | Image display device with anti-sleepy function and its controlling method |
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| CN (1) | CN100413331C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019133511A (en) * | 2018-02-01 | 2019-08-08 | 本田技研工業株式会社 | On-vehicle device, in-vehicle notification method, and program |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2176295Y (en) * | 1992-08-19 | 1994-09-07 | 孟正权 | Electronic timing monitoring and braking device for fatigued driver |
| CN2540321Y (en) * | 2002-05-16 | 2003-03-19 | 李新 | Anti-sleepy safety instrument on vehicle |
| CN2606399Y (en) * | 2003-03-25 | 2004-03-10 | 陕西理工学院 | Vehicle running status recording and alarming analyser |
-
2004
- 2004-10-20 CN CNB2004100506306A patent/CN100413331C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2176295Y (en) * | 1992-08-19 | 1994-09-07 | 孟正权 | Electronic timing monitoring and braking device for fatigued driver |
| CN2540321Y (en) * | 2002-05-16 | 2003-03-19 | 李新 | Anti-sleepy safety instrument on vehicle |
| CN2606399Y (en) * | 2003-03-25 | 2004-03-10 | 陕西理工学院 | Vehicle running status recording and alarming analyser |
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| Publication number | Publication date |
|---|---|
| CN1764250A (en) | 2006-04-26 |
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| ASS | Succession or assignment of patent right |
Owner name: NANJING LG XINGANG DISPLAY CO., LTD. Free format text: FORMER OWNER: LG ELECTRONICS (SHENYANG) CO., LTD. Effective date: 20070518 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20070518 Address after: 210038 No. 346 Yao Yao Avenue, Nanjing economic and Technological Development Zone, Jiangsu, China Applicant after: LG Electronics Nanjing Display Co., Ltd. Address before: 110179 35,40, hi tech Development Zone, Liaoning, Shenyang Applicant before: LG Electronic (Shenyang) Co., Ltd. |
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