CN2704181Y - Hand-holding device with intelligent back-light function - Google Patents
Hand-holding device with intelligent back-light function Download PDFInfo
- Publication number
- CN2704181Y CN2704181Y CN 200420021682 CN200420021682U CN2704181Y CN 2704181 Y CN2704181 Y CN 2704181Y CN 200420021682 CN200420021682 CN 200420021682 CN 200420021682 U CN200420021682 U CN 200420021682U CN 2704181 Y CN2704181 Y CN 2704181Y
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- China
- Prior art keywords
- backlight
- user
- handheld device
- hand
- holding device
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Abstract
The utility model discloses a hand-holding device with intelligent back-light function, comprising a central processing unit, an accumulator, a display device, a simulation baseband and a power management module, characterized in that the hand-holding device with an intelligent back-light function also comprises an intellectual aphotic module. The intellectual aphotic module comprises a driving chip and many groups of light emitting diodes connected with the driving chip and driven by the driving chip. The advanced effects of the hand-holding device with intelligent back-light function are that through increasing the intellectual aphotic module and many backlight color assemblages and classics backlight melodies arranged for user s to select, according to users'favor, the users can match different backlight blink assemblages for different functions and melodies to satisfy the requirements of individuation.
Description
Technical field
The utility model belongs to the handheld device field, relates in particular to a kind of intelligent backlight technology that carries out the light color conversion according to active user's operation automatically.
Background technology
Handheld device comprises digital devices such as mobile phone, PDA, palmtop PC, develop rapidly along with its performance, the user is more and more for the requirement of display screen light color, yet present most of handheld device all can only provide a kind of single backlight color, and all fixedly install by manufacturer, thereby can't satisfy the pursuit of people, become the big shortcoming of handheld device on function such as mobile phone individual character fashion.
Summary of the invention
The utility model the technical problem that must solve be to provide a kind of handheld device that has intelligent backlight function, with overcome the prior art light color single, be difficult to satisfy defective such as many demands of user.
Technical scheme of the present invention comprises:
Comprise central processing unit, memory, display unit, Analog Baseband and power management module, it is characterized in that also comprising intelligent backlight module, described intelligent backlight module comprises chip for driving that is connected with central processing unit by control bus and the multi-group light-emitting diode that links to each other and be driven by it with chip for driving.
Described central processing unit is by control bus controlling and driving chip operation, thereby the driving LED light-emitting diode is according to intelligence service subprogram content flicker backlight.
Chip for driving is electrically connected with light-emitting diode by configurable current source IO mouth.
Realize the utility model, may further comprise the steps:
The handheld device start;
Initialization system is provided with;
Handheld device enters holding state;
Judge whether the user operates handheld device;
If the user has operation to handheld device, then the switch of service subprogram backlight sign FLAG=1 represents that the user activates service subprogram backlight;
The operation current according to the user, and flicker pattern backlight is set automatically according to the content to various operations definition in the subprogram;
Carry out service subprogram backlight;
Detect the user to whether surpassing standby time of handheld device a default threshold values;
If the user stops the handheld device operating time and surpasses default threshold values, then set the switch sign FLAG=0 of service subprogram backlight, this subprogram is withdrawed from expression.
The service subprogram backlight that above-mentioned main program calls is as follows:
Judge flicker mode identifier FLASH=0 or FLASH=1, or be other nonzero integers;
If FLASH=0 represents that flashing function backlight is under an embargo, show so that monochrome is backlight;
If FLASH is not equal to 0, then choose the flicker pattern backlight of this FLASH value representative automatically, and initialization back light system parameter;
Judge whether the music in playing handheld device;
If playing back music not, judging then that the user has or not handheld device carries out other operations;
If the user has touch control keyboard to carry out other operations, then carry out flicker parameter backlight setting according to default flicker theme backlight, if the user does not operate keyboard yet, then change over to mobile phone is judged standby time, see whether surpass the threshold values of setting before the user.
If in playing back music, the then intensity of Dynamic Extraction music and rhythm;
Utilization is provided with the parameter value of flicker backlight from the parameter of extraction of music;
According to the parameter value of predefined control flash color backlight and rhythm, control flicker backlight;
When backlight begin flicker after, judge that handheld device standby time is whether during above the predefined threshold values of user;
If surpass threshold values, withdraw from service subprogram backlight, if do not surpass, then change step cycle over to and carry out this subprogram.
The beneficial effects of the utility model are: by increasing intelligent backlight module, and the combination of numerous backlight colors is set in program and classical melody backlight is selected for the user, the user can be different operation or the different flicker combinations backlight of melody coupling according to the hobby of oneself, make mobile phone backlight as ringing sound of cell phone, can download, edit and be configured to realize various neon effects, particularly when rhythm backlight is consistent with music rhythm, can make the user that a kind of sensation of placing oneself in the midst of music hall is seemingly arranged, thereby reached collection sound, light, picture has satisfied personalized demand in the entertainment effect of one.
Description of drawings
Fig. 1 is the theory diagram of the utility model hardware system;
Fig. 2 is the theory diagram of the utility model backlight module part;
Fig. 3 is the circuit diagram of drive circuit in the utility model backlight module.
Fig. 4 is the main program flow chart that the utility model is realized intelligent light;
Fig. 5 is the service subprogram flow chart backlight that calls among the main program figure.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is elaborated.
As Fig. 1, handheld device in the utility model comprises central processing unit, memory, display unit, Analog Baseband and power management module, it is characterized in that also comprising intelligent backlight module, as Fig. 2, Fig. 3, described intelligent backlight module comprises chip for driving and the multi-group light-emitting diode that links to each other and be driven by it with chip for driving by configurable current source IO mouth.
Know by Fig. 2, can be provided with central processor CPU by the keyboard on the handheld device panel, promptly determine the flicker pattern, and central processing unit is responsible for detecting the set parameter of keyboard and to outer triggering signal, such as to pressing button or handling by operations such as handheld device playing back music, then provide the corresponding driving signal to carry out action to trigger it, thereby make color LED flashing to the drive circuit of intelligent backlight module.
Fig. 3, this routine backlight module drive circuit is utilized the control of iic bus chip for driving MAX6956 with three kinds of individual colour circuit power supply negative terminals carrying out the LED luminous tube, thereby reach the purpose of different colours flicker, SCL and SDA are the IIC control bus among the figure, be connected with central processing unit, VBAT is a power supply, drive circuit has 28 IO mouths among the figure, can control 28 LED light-emitting diodes, this example has only been used wherein 24,8 groups of color lamps are arranged among the figure, amount to 24 LED, respectively by independently IO mouth control, thereby each LED can both independently realize control switch, function such as light and shade and flicker, the flicker conversion combination that forms thus all can realize by software programming, also promptly is arranged at the service subprogram backlight in the memory.When CPU writes corresponding contents for each IO mouth configuration register of drive circuit by iic bus, just can control the switch of each LED and realize brightness regulation.When the handheld device playing back music or when playing Karaoka amusement, intelligent meeting backlight is opened automatically, realizes color transformed according to music rhythm.
Fig. 4 combines the flow chart that back light system parameter and activation back light system are set by keyboard for hand held set, is referred to as main program; Fig. 5 is a subroutine flow chart that calls among Fig. 4, is referred to as service subprogram backlight.
The implementation of being known main program by Fig. 4 is according to this: device power-up; Initialization system is provided with, and comprises initialization is carried out in the back light system setting; Handheld device just enters holding state afterwards, waits for that the user operates; Judge whether the user operates handheld device; If the user has operation to handheld device, then the switch of service subprogram backlight sign FLAG=1 represents that the user has activated service subprogram backlight; The content of operation current according to the user, flicker pattern backlight is set automatically, such as, when the user only has pair cell phone keyboard button operation, but mobile phone to play music of no use, (system provides many kinds of backlight modes to a kind of pattern that then flicker pattern sets in advance for the user, the user can select according to hobby oneself definition, make the corresponding different pattern of different operations), if and the operation of the useful mobile phone to play music of user, comprise Karaoke, multimedia form such as ringing sound of cell phone and MP3 music, intensity of sound and music rhythm that flash intensity then backlight and color and rhythm change are extracted from music file with regard to dynamic response; Change over to call and carry out service subprogram backlight; Detect the user to whether surpassing standby time of handheld device a default threshold values; If the user stops the handheld device operating time and surpasses default threshold values, then set the switch sign FLAG=0 of service subprogram backlight, this subprogram is withdrawed from expression.
As Fig. 5, when bringing into operation, service subprogram backlight judges whether the LED flashing function of handheld device opens or closes earlier, promptly judge the value of identifier FLASH, owing to represent flicker free during this routine system definition FLASH=0, a kind of in numerous flicker patterns represented in definition during FLASH=1, so this example comes down to judge FLASH=0 or FLASH=1, or be other nonzero integers, and the different flicker pattern of different FLASH numeric representations, the FLASH value defined in the time of can certainly be with flicker free becomes other values; The different different operation of flicker model selection that the user then can provide according to system just as selecting the tinkle of bells, as can the definition push key operation being backlight with monochrome only, and be backlight with a certain flicker pattern during the first melody in the definition Play System; Next, if FLASH=0 represents that then dreamlike flashing function backlight is under an embargo, only show so that monochrome is backlight; If FLASH is not equal to 0, then choose flicker pattern backlight automatically, and initialization back light system parameter, the system parameters of regulation when initialization back light system parameter refers to and dispatches from the factory not according to system here, but according to the system parameters that was used for afterwards oneself defining, i.e. the backlight mode of user oneself selection; Judge the whether music in playing handheld device of audio interface then; If playing back music not, judge then that the user has or not handheld device and carry out other operations, such as having touch control keyboard to carry out other operations as the user, then carry out flicker parameter backlight setting according to default flicker theme backlight (corresponding to certain FLASH value), if the user does not operate keyboard yet, then change the timer step over to, mobile phone is judged standby time, see whether surpass the threshold values of setting before the user; If audio interface is in playing back music, the then intensity of Dynamic Extraction music and rhythm; Utilize the parameter of extracting dynamically to change the parameter value of control flash color backlight and rhythm then, the parameter of extracting is reflected in the process on the backlight drive circuit, extracting the music rhythm file exactly, is the parameter that is provided with of drive circuit with the rhythm file conversion then, and with the parameter write driver circuit; According to the parameter value of predefined control flash color backlight and rhythm, control flicker backlight; When backlight begin the flicker after, timer carries out timing automatically, after the user had carried out and can excite the operation of backlight module each time, timer just resetted automatically, timing also restarts; When handheld device standby time surpasses the predefined threshold values of user, then withdraw from service subprogram backlight, if do not surpass, then change step cycle over to and carry out this subprogram.
Claims (3)
1. handheld device that has intelligent backlight function, comprise central processing unit, memory, display unit, Analog Baseband and power management module, it is characterized in that also comprising intelligent backlight module, described intelligent backlight module comprises chip for driving that is connected with central processing unit by control bus and the multi-group light-emitting diode that links to each other and be driven by it with chip for driving.
2. the handheld device that has intelligent backlight function as claimed in claim 1 is characterized in that described chip for driving is electrically connected with light-emitting diode by configurable current source IO mouth.
3. the handheld device that has intelligent backlight function as claimed in claim 1 or 2 is characterized in that described chip for driving adopts MAX6956.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420021682 CN2704181Y (en) | 2004-04-07 | 2004-04-07 | Hand-holding device with intelligent back-light function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420021682 CN2704181Y (en) | 2004-04-07 | 2004-04-07 | Hand-holding device with intelligent back-light function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2704181Y true CN2704181Y (en) | 2005-06-08 |
Family
ID=34770038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420021682 Expired - Fee Related CN2704181Y (en) | 2004-04-07 | 2004-04-07 | Hand-holding device with intelligent back-light function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2704181Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI475543B (en) * | 2012-07-20 | 2015-03-01 | Acer Inc | Electronic apparatus and backlight adgust method |
-
2004
- 2004-04-07 CN CN 200420021682 patent/CN2704181Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI475543B (en) * | 2012-07-20 | 2015-03-01 | Acer Inc | Electronic apparatus and backlight adgust method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |