CN2684491Y - Power saving controller for portable information equipment - Google Patents
Power saving controller for portable information equipment Download PDFInfo
- Publication number
- CN2684491Y CN2684491Y CN 200420005624 CN200420005624U CN2684491Y CN 2684491 Y CN2684491 Y CN 2684491Y CN 200420005624 CN200420005624 CN 200420005624 CN 200420005624 U CN200420005624 U CN 200420005624U CN 2684491 Y CN2684491 Y CN 2684491Y
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- China
- Prior art keywords
- volume
- scale
- electricity
- portable information
- saving control
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to an electricity-saving control device for portable information equipment, consisting of a volume / musical-scale comparing module and a volume / musical-scale sensing module. When a user receives and watches a program via the portable information equipment, the volume / musical-scale sensing module senses the volume / musical scale in a video signal, and a sensing consequence signal is transmitted to the volume / musical-scale comparing module. When the volume / musical-scale comparing module discovers that the variation quantity of the volume / musical scale oversteps the predetermined variation range, an actuating signal is emitted so as to close the back photoelectric source of a display unit, and the display unit enters into the stand-by mode to diminish the consumption of power supply. Contrarily, if the variation quantity of the volume / musical scale recovers to the normal interval, the back photoelectric source is reopened by the volume / musical-scale comparing module, which enables the display unit to output television pictures for users to watch.
Description
Technical field
The utility model is about a kind of power management techniques, particularly about a kind of can enter ad break in the TV programme that information equipment is play the time, close the backlight electric power of display unit, when ad break finishes, open backlight electric power again, reduce the electricity-saving control device of electrical source consumption.
Background technology
Along with the progress of semiconductor technology and processing procedure, the volume of many information equipments can significantly dwindle, and as mobile phone and notebook computer etc. all is so reduced volume.In addition, flourish along with network, communication and sound processing technology makes many scripts product independent of each other can be incorporated into a kind of new stand-alone product, is integrated into the tool camera-equipped mobile phone as mobile phone and digital camera.On the other hand, for adapting to epoch trend, people need constantly to accept new knowledge whenever and wherever possible, to enrich oneself.Just because of this, part mobile phone or notebook computer production firm are except that the miniaturization research and development of being absorbed in the commodity volume, also to cooperate radio network technique and develop information equipment, use mobile information apparatus still can surf the web webpage to obtain required knowledge by mobile phone or notebook computer for the user with function of surfing the Net; And maturation because of now LCD manufacturing technology, various portable information devices also are used as display unit with it, this way is except the volume that can reduce equipment itself, and also exportable diversified color scheme provides the user visually can enjoy gay colours.Just because of this, in Tokyo computer exhibition in 2003, manufacturer is arranged with LCD arrange in pairs or groups communication transmission and audio-visual export technique, mobile phone and personal digital assistant have been released with the function of televiewing, therefore expectation can increase the surcharge of portable information device, improves consumer's purchase intention.Though having the portable information device of TV programme playing function really can bring the user and more enjoy, but well known is, use the electric weight consume speed of the color/graphics mobile phone of liquid crystal display to go up manyfold soon than the mobile phone that uses monochromatic output, provide the television program receiving function if add, the rechargeable battery limited to energy storage can further quicken consumption of electric speed, for only watching about 1 hour radiovision program under the situation of battery electric quantity abundance, for will be by the rating TV programme for the user who obtains information, it is not enough that only about 1 hour reproduction time is disliked slightly.Therefore how not increasing under the situation of battery electric quantity, improving portable information device and use rechargeable battery to watch TV Festival object time, is the technical problem that needs to be resolved hurrily at present.
The utility model content
For overcoming the shortcoming of above-mentioned prior art, main purpose of the present utility model is to provide a kind of electricity-saving control device of portable information device, this is when the TV programme that portable information device is play enters ad break, make its display unit enter standby mode, reduce the electric quantity consumption of portable information device.
Another purpose of the present utility model is to provide a kind of electricity-saving control device of portable information device, can reduce the service time of portable information device display unit, prolongs the service life of display unit.
For reaching above-described purpose, the utility model provides a kind of electricity-saving control device of portable information device.
Portable information device has a display unit and acoustics unit at least, this electricity-saving control device is the variable quantity of contrast volume/scale, volume/scale variable quantity and the volume of a presetting/scale interval value of obtaining are compared, and foundation result relatively controls the unlatching of the set backlight electric power of display unit and closes again.
Electricity-saving control device of the present utility model comprises (1) volume/scale sensing module, and the volume in the portable information device/scale signal is detected; And (2) volume/scale comparison module, to analyzing, obtain the variation situation of volume/scale, as driving the foundation that the display unit backlight electric power is opened or closed by volume/measured signal of scale sensing module.
In sum, when electricity-saving control device of the present utility model can enter ad break in the TV programme that portable information device is play, close the backlight electric power of display unit, make display unit enter standby mode, can significantly reduce the electric energy that display unit consumes.For most of users, ad break is to leave display unit to change the time of doing other thing mostly.So,, just need not continue to consume the electric weight that rechargeable battery stores, the speed that can slow down electric quantity consumption at ad break display unit in season if the user does not want to watch ad break.By in 1 hour the reproduction time, 4 times ad break approximately appears, calculated for example by each 5 minutes, battery electric quantity really is used to watch the TV Festival only to be about about 40 minutes object time.Therefore, electricity-saving control device provided by the utility model is can be when TV programme enters ad break, enter standby mode from command of execution display unit, slow down the depletion rate of battery electric quantity, therefore, the utility model can make the user prolong 20 minutes rating time, just can be with battery electric quantity for the time lengthening to 1 of rating hours 20 minutes, so can significantly improve the user obtains new knowledge by portable information device efficient.
Description of drawings
Fig. 1 is a calcspar, shows that electricity-saving control device of the present utility model is applied in the framework signal situation of a notebook computer inside.
Embodiment
Embodiment
Fig. 1 is a calcspar, show that electricity-saving control device 10 of the present utility model is applied in the framework signal situation of a notebook computer 1 inside, electricity-saving control device 10 of the present utility model includes volume/scale comparison module 11 and volume/scale sensing module 12 in addition, 1 of the notebook computer that it depended on include LCD 20 (Liquid Crystal Display, LCD), indicative control unit 30, show process chip 40, microprocessing unit 50, power supply device 60, digital/analog converter 70, video transition card 80, power amplifier 90 and acoustics unit 100.Be noted that, notebook computer 1 includes other functional unit in addition, as South Bridge chip, north bridge chips etc., only the functional unit relevant with the utility model described at this, in addition, the utility model is also non-only to be can be used in the notebook computer, and just the utility model also can be applicable to arbitrary money and is provided with in the information equipment of receiving television program function, particularly be the portable information device in main power supply source, as personal digital assistant, mobile phone etc. with the rechargeable battery.
Electricity-saving control device of the present utility model is when utilizing TV programme to enter advertisement, and the situation that its volume/scale of exporting will exceed former setting volume/scale is to notebook computer 1 control of economizing on electricity.As shown in Figure 1, electricity-saving control device 10 of the present utility model is the inside that group is located at notebook computer 1, notebook computer is provided with a video transition card 80 for 1 group, receive the simulated programmer signal that television station sends, and with the analog signal that receives via a digital/analog converter 70, convert to after the digital signal and show process chip 40 by one again, by analysis, be sent to LCD 20 after the arrangement, display program picture and acoustics unit 100 are with output program audio.Above-mentioned is a technology commonly used about programme signal from the process that video transition card 80 inputs to LCD 20 output pictures, so do not repeat them here.
Electricity-saving control device 10 of the present utility model is to overlap mutually with contained microprocessing unit 50, video transition card 80 and the power amplifier 90 of notebook computer 1.When the user televiews when showing program by notebook computer 1, electricity-saving control device 10 contained volume/scale sensing modules 12 (can be field-effect transistors, transistor or bipolar transistor) promptly volume contained in the analog signal that inputs to video transition card 80/scale signal is carried out sensing, this volume/scale sensing module 12 is the volume/scale signal that will export of sense power amplifier 90 simultaneously also, and the resulting volume of sensing/scale signal inputed in volume/scale comparison module 11, make the volume/scale signal between volume/11 pairs of video transition cards 80 of scale comparison module (input) and power amplifier 90 (output) compare, obtain the variation situation of volume/scale signal, if volume/scale comparison module 11 is relatively found the variable quantity of volume/scale signal and is exceeded the accurate position of power amplifier 90 default volumes/scale, just the volume after the volume of input/scale conversion of signals/scale is accurate, the accurate position of volume/scale that surpasses present output, in other words, according to the result of the accurate position of advertisement volume/scale greater than the accurate position of TV programme volume/scale, volume/scale comparison module 11 is promptly according to the situation of change of the accurate position of volume/scale, judge that the user is about to enter ad break by the TV programme of 1 rating of notebook computer, give microprocessing unit 50 so transmit a drive signal, activate the backlight control pin position of microprocessing unit 50, drive indicative control unit 30 contained image control circuit 32 and backlight controller 31, close the backlight electric power of LCD 20, make LCD 20 enter standby mode, reach the purpose of economize on electricity to reduce the electric quantity consumption of power supply device 60.
On the other hand, analyze and learn as volume/scale comparison module 11, by volume/scale change amount signal that volume/scale sensing module 12 is transmitted, be arranged in interval, the accurate position of default volume/scale, it can judge that ad break finished already, need not make LCD 20 enter standby mode again.So volume/scale comparison module 11 can transmit a wake-up signal and give microprocessing unit 50, the backlight control pin position driving backlight controller 31 of microprocessing unit 50 is operated again, make the backlight electric power of LCD 20 open once again, thereby exportable television image is watched for the user; This while, volume/scale comparison module 11 also can drive prompt sound effects such as acoustics unit 100 output jingle bells, melody, informs that user's ad break finishes, the information that TV programme has begun.
Claims (10)
1. the electricity-saving control device of a portable information device, in order to reduce the electric weight that portable information device consumes, it is characterized in that, this portable information device has a display unit and acoustics unit at least, this electricity-saving control device is the variable quantity of contrast volume/scale, volume/scale variable quantity and the volume of a presetting/scale interval value of obtaining are compared, and foundation result relatively controls the unlatching of the set backlight electric power of display unit and closes again.
2. electricity-saving control device as claimed in claim 1 is characterized in that, this electricity-saving control device comprises one volume/scale sensing module, volume/scale that the acoustics unit of detection portable information device is exported.
3. as claim 1 or 2 described electricity-saving control devices, it is characterized in that, this economize on electricity control module comprises one volume/scale comparison module, in order to volume/scale sensing module is detected resulting volume/scale and compares, so as to obtaining one volume/scale variable quantity.
4. electricity-saving control device as claimed in claim 1 is characterized in that, this portable information device has a TV frequency modulation module, makes portable information device have the function that TV programme is play.
5. electricity-saving control device as claimed in claim 1 is characterized in that, this portable information device is meant a kind of in notebook computer, mobile phone, personal digital assistant and the hand held audio and video player.
6. electricity-saving control device as claimed in claim 1 is characterized in that, this display unit is a LCD.
7. electricity-saving control device as claimed in claim 1 is characterized in that, this volume/scale interval value is to set according to volume/musical range value that portable information device is exported when playing TV programme.
8. electricity-saving control device as claimed in claim 7 is characterized in that, volume/scale of exporting at portable information device is during greater than default volume/scale interval value, and the backlight electric power of closing display unit enters standby mode to make display unit.
9. electricity-saving control device as claimed in claim 7 is characterized in that, the volume of exporting at portable information device is during less than default volume/scale interval value, and the backlight electric power of opening display unit enters power on mode to make display unit.
10. electricity-saving control device as claimed in claim 9 is characterized in that, when opening the backlight electric power of display unit, this electricity-saving control device can send prompt sound effect in addition, reminds user's television image to export again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420005624 CN2684491Y (en) | 2004-02-27 | 2004-02-27 | Power saving controller for portable information equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420005624 CN2684491Y (en) | 2004-02-27 | 2004-02-27 | Power saving controller for portable information equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2684491Y true CN2684491Y (en) | 2005-03-09 |
Family
ID=34605813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420005624 Expired - Fee Related CN2684491Y (en) | 2004-02-27 | 2004-02-27 | Power saving controller for portable information equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2684491Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101281726B (en) * | 2008-05-21 | 2010-06-23 | 旭丽电子(广州)有限公司 | Automatic control system for image and sound |
| CN108028954A (en) * | 2015-09-15 | 2018-05-11 | 汤姆逊许可公司 | The mthods, systems and devices of media content are saved for playing back power |
-
2004
- 2004-02-27 CN CN 200420005624 patent/CN2684491Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101281726B (en) * | 2008-05-21 | 2010-06-23 | 旭丽电子(广州)有限公司 | Automatic control system for image and sound |
| CN108028954A (en) * | 2015-09-15 | 2018-05-11 | 汤姆逊许可公司 | The mthods, systems and devices of media content are saved for playing back power |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050309 Termination date: 20110227 |