CN1953591A - Wireless multimedia terminal and power saving method of itself - Google Patents

Wireless multimedia terminal and power saving method of itself Download PDF

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Publication number
CN1953591A
CN1953591A CNA2006101499489A CN200610149948A CN1953591A CN 1953591 A CN1953591 A CN 1953591A CN A2006101499489 A CNA2006101499489 A CN A2006101499489A CN 200610149948 A CN200610149948 A CN 200610149948A CN 1953591 A CN1953591 A CN 1953591A
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CN
China
Prior art keywords
image display
display part
multimedia terminal
wireless multimedia
converted
Prior art date
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Granted
Application number
CNA2006101499489A
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Chinese (zh)
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CN1953591B (en
Inventor
崔真荣
申畯相
全寅中
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LG Electronics China Research and Development Center Co Ltd
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LG Electronics China Research and Development Center Co Ltd
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Publication of CN1953591A publication Critical patent/CN1953591A/en
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Publication of CN1953591B publication Critical patent/CN1953591B/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
    • H04W52/0267—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by controlling user interface components
    • H04W52/027—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by controlling user interface components by controlling a display operation or backlight unit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Human Computer Interaction (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Television Receiver Circuits (AREA)
  • Telephone Function (AREA)
  • Circuits Of Receivers In General (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

Disclosed is a wireless multimedia terminal and power saving method thereof. The wireless multimedia terminal comprises the following components: an image display component for outputting image signal; a loudspeaker for outputting audio signal; a digital broadcast receiving component for receiving the digital broadcast data; a detection component for detecting the distance between the users; a control component for processing the digital broadcast data received from the digital broadcast receiving component, driving the image display component and the loudspeaker, and converting the image display component from the normal mode to the power saving mode when the distance detected by the detection component is larger than the prescribed one. According to the invention, the image display component is converted to a power saving mode to reduce the unnecessary power consumption when the distance between the user and the display component is larger than a prescribed one, therefore prolonging the working time and the standby time.

Description

The power-saving method of wireless multimedia terminal and wireless multimedia terminal
Technical field
The present invention relates in the power-saving method of wireless multimedia terminal and wireless multimedia terminal, particularly the present invention, when the user does not watch image, the image display part is converted to energy-saving mode and reduces unnecessary power consumption.
Background technology
Along with the development rapidly of mobile communication technology, present mobile communication terminal not only provides the wireless communication service, and processing offers the user by the multi-medium data of communication network reception and the data of its processing.
Have multimedia messages and provide the mobile communication terminal of function to be defined as wireless multimedia terminal above-mentioned among the present invention.
Developed wireless multimedia terminal in recent years with wireless communication function and broadcasting audiovisual function.Above-mentioned wireless multimedia terminal receives and handles satellite digital broadcasting signal and/or ground-wave digital broadcasting signal, and the digital broadcasting of being made up of image and voice is provided to the user.
But, consumed power during existing wireless communication terminal audiovisual broadcast, therefore having shortened wireless communication may the time.That is, the high power consumption of broadcasting in the audiovisual increased the amount of battery consumption that is installed in the wireless multimedia terminal, thereby the conversation of having shortened the wireless multimedia terminal that the charge volume according to battery determines may the time (or conversation stand-by time).And existing wireless multimedia terminal consumes a lot of power when the image of the image display part output normal mode by LCD etc.
Particularly existing mobile communication terminal broadcasting in the audiovisual user seat away from keyboard and when not watching image in the image display part, also continue with the normal mode image output, thereby consumed unnecessary power.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of wireless multimedia terminal.This wireless multimedia terminal when the user when the image display part both draws back set a distance and does not watch image, the image display part is converted to energy-saving mode and reduces unnecessary power consumption, also solved the problem that has shortened conversation possibility time (or conversation stand-by time) because of the broadcasting audiovisual simultaneously.
Further, another object of the present invention is to provide a kind of wireless multimedia terminal.This multimedia terminal when the user when the image display part both draws back set a distance and does not watch image, the image display part is converted to energy-saving mode and reduces unnecessary power consumption, but during above-mentioned energy-saving mode, continue the output voice, thereby the user does not watch image can continue to listen to the radio programme yet by loud speaker.
Further, another object of the present invention is to provide a kind of power-saving method of wireless multimedia terminal.In the present invention, the user utilizes in the radio multimedium audiovisual broadcast both set a distances and when not watching image, the image display part is converted to energy-saving mode and reduces unnecessary power consumption of image display part away from keyboard.
For achieving the above object, provided by the invention possess the wireless multimedia terminal that image display part and loud speaker are arranged, and it comprises:: digital broadcasting acceptance division, receiving digital broadcast data; Test section, the distance between detection and the user; Control part, the digital broadcast data that processing receives from above-mentioned digital broadcasting acceptance division, drive above-mentioned image display part and above-mentioned loud speaker, and according to the distance that above-mentioned test section detects surpassed prior setting apart from the time above-mentioned image display part is converted to energy-saving mode from normal mode.
Above-mentioned control part is converted to the above-mentioned loud speaker of control under the state of energy-saving mode at above-mentioned image display part, make its output voice signal.
Above-mentioned control part is converted to the voice output that strengthens loud speaker under the state of energy-saving mode at above-mentioned image display part.
And above-mentioned control part is controlled above-mentioned image display part, makes it be converted to energy-saving mode through after the given time from normal mode.
Above-mentioned test section utilizes ultrasound sensors or infrared ray sensor.
For further realizing goal of the invention, the power-saving method that possesses the wireless multimedia terminal that image display part and loud speaker are arranged provided by the invention comprises the steps: to detect step, the distance during audiovisual broadcast between detection and the user; Controlled step, the distance of above-mentioned detection surpassed prior setting apart from the time control above-mentioned image display part and be converted to energy-saving mode from normal mode.
Above-mentioned controlled step is converted to the above-mentioned loud speaker of control under the state of energy-saving mode at above-mentioned image display part, make its output voice signal.
Above-mentioned controlled step is converted to the voice output that strengthens loud speaker under the state of energy-saving mode at above-mentioned image display part.
Compared with prior art, the power-saving method of wireless multimedia terminal of the present invention and wireless multimedia terminal has following effect:
When user and image display part both draw back set a distance and when not watching its image display part, the image display part be converted to energy-saving mode and reduce unnecessary power consumption, thereby solved the problem that broadcasting audiovisual time or conversation stand-by time shorten.
And, when the user both draws back set a distance and does not watch image from the image display part, the image display part is converted to energy-saving mode and reduces unnecessary power consumption, but during above-mentioned energy-saving mode, continue the output voice, thereby the user does not watch image can continue to listen to the radio programme yet by loud speaker.
Description of drawings
Fig. 1 is the pie graph according to the wireless multimedia terminal of the embodiment of the invention;
Fig. 2 is the outward appearance displayed map of wireless multimedia terminal;
Fig. 3 a to 3b is for the module map of the economize on electricity effect of wireless multimedia terminal in the broadcasting audiovisual is described;
Fig. 4 is the power-saving method flow chart according to the wireless multimedia terminal of the embodiment of the invention.
[symbol description of accompanying drawing major part]
10: control part 20: test section
32: wireless communication part 34: the digital broadcasting acceptance division
36: loud speaker 38: the image display part
Embodiment
Below in conjunction with the drawings and specific embodiments the solution of the present invention is described further:
Fig. 1 is the pie graph according to the wireless multimedia terminal of the embodiment of the invention.As shown in Figure 1, the wireless multimedia terminal 1 according to the embodiment of the invention comprises: wireless communication part 32 receives and sends the communication wireless signal; Digital broadcasting acceptance division 34, receiving digital broadcast data; Loud speaker 36, the output voice signal; Image display part 38, output image signal; Control part 10, the whole work of control wireless multimedia terminal.And also comprise according to the wireless multimedia terminal 1 of the embodiment of the invention: battery portion 46 provides power supply; Input part 42 connects user and control part 10; Storage part 44 stores the program of carrying out control part 10.
At this moment, digital broadcast data is meant the various multi-medium datas of being made up of image and/or voice, and above-mentioned digital broadcast data is via satellite or surface wave and receiving, thereby makes user's audiovisual digital broadcasting.
Above-mentioned digital broadcast service be meant utilize small-sized TV or palmtop PC terminals such as (PDA:Personal DigitalAssistants) and via satellite or surface wave the service of broadcasting is provided.
Above-mentioned digital broadcast service comprises: digital multimedia broadcast (dmb) via satellite (being designated hereinafter simply as " satellite dmb ") service and surface wave DMB (being designated hereinafter simply as " surface wave DMB ") service.
Satellite dmb is to utilize the frequency that initial DMB satellite receives from the world that digital broadcast service is provided; Surface wave DMB utilizes the frequency that receives from the terrestrial broadcasting station that broadcasting is provided.
Satellite dmb receives high frequency band via satellite, thereby there is not information time difference etc. to receive identical digital broadcast data throughout the country, during surface wave DMB, each department receive the digital broadcast data generation time difference of each broadcasting station transmission and the phenomenon that generation information is distorted, thereby each department utilize different frequencies that digital broadcast data is provided.
Broadcast mode is that the user utilizes the input part 42 input processing signals of key input apparatus etc. and selects.Control part starts the digital broadcasting acceptance division 34 that includes tuner (tuner) and receives ground-wave digital broadcasting data or satellite digital broadcasting data after selecting broadcast mode.And above-mentioned control part 10 is carried out the function of handling the digital broadcast data that receives, the radio communication control part 12 and the digital broadcasting handling part 14 of above-mentioned for this reason control part 10 control wireless communications etc.Radio communication control part 12 described here and digital broadcasting handling part 14 are installed in the chip and carry out each function or be installed in independently in the chip (for example: MSM and SOC) separately and carry out each function, and communicate mutually.
Digital broadcasting handling part 14 becomes the digital broadcast data signal restoring after signal of video signal and voice signal and the extraction, and above-mentioned signal of video signal and voice signal are sent to image display part 38 and loud speaker 36 separately.Therefore, output has the signal of video signal that conversion is also extracted from broadcast singal in above-mentioned image display part 38, and output has the voice signal that conversion is also extracted from broadcast singal in loud speaker 36.
Above-mentioned control part 10 includes control sends to the power of image display part 38 from battery portion 46 power control part 16, above-mentioned power control part 16 provides according to the power supply of the control of the range information between user and the terminal 1 to the battery portion 46 that image display part 38 transmits, so above-mentioned image display part 38 can select to end one in norm formula and the energy-saving mode.
In order to detect the distance between user and the terminal 1, mobile communication terminal 1 includes the test section 20 that utilizes ultrasound sensors or infrared ray sensor.
As shown in Figure 2, above-mentioned test section 20 is arranged in the image display part 38 in wireless multimedia terminal 1, is arranged near the LCD particularly.
The range information that control part 10 receives between user and the terminal 1 from test section 20, and when judging that based on above-mentioned range information distance between above-mentioned user and the terminal 1 surpasses the user in advance with the reference range set, image display part 38 is converted to energy-saving mode from normal mode.Mode switch between above-mentioned normal mode and the energy-saving mode is to finish by power control part 16.In addition, when the user entered within the distance of prior setting, based on test section 20 testing results, control part 10 particularly power control part 16 was converted to normal mode to image display part 38 from energy-saving mode.
Fig. 3 a to 3b is for the module map of the economize on electricity effect of wireless multimedia terminal in the broadcasting audiovisual is described.
Shown in Fig. 3 a to 3b, the power of battery portion 46 outputs is through two paths, and promptly main power switch 44a and low pressure difference linear voltage regulator (LDO) 44b is connected to image display part 38.Above-mentioned control part 10 is controlled main power switch 44a and/or LDO44b in whole or in part, thereby control is connected to the power of above-mentioned image display part 38 from battery portion 46.User who detects when test section 20 and the distance between the terminal 1 are during greater than the reference range set in advance, and control part 10 control main power switch 44a are in it and close the OFF state, and only the minimal power through LDO44b are sent to above-mentioned image display part 38.At this moment, image display part 38 is converted to energy-saving mode shown in Fig. 3 b from the normal mode shown in Fig. 3 a, particularly is converted to sleep pattern (sleep mode), thereby has reduced the unnecessary power consumption of battery portion 46.
Under the state of the energy-saving mode shown in Fig. 3 b, make it be in unlatching (ON) state of output voice signal with identical above-mentioned control part 10 control loudspeakers 36 of normal mode shown in Fig. 3 a.Be distance between user and the terminal 1 when the user can't normally watch image greater than reference range, also can listen to the content of digital broadcasting by loud speaker 36.Thereby, when user's terminal 1 away from keyboard can't be watched image, by also can listen to the content of broadcasting giocoso from the voice of loud speaker 36 outputs.
And above-mentioned control part 10 can strengthen the output of loud speaker 36 from above-mentioned energy-saving mode.At this moment, distance between user and the terminal 1 is during greater than the reference range set in advance, enhancing is from the voice size of loud speaker 36 outputs, and the voice size of the distance of above-mentioned overage and enhancing is directly proportional, thereby the user also can normal extraction broadcast from terminal 1 distance quite far away.
When only having illustrated that in embodiments of the present invention distance between user and the terminal 1 is greater than the reference range set in advance, be converted to the situation of energy-saving mode from normal mode, but also can be that distance between user and the terminal 1 is greater than the reference range of setting in advance and break away from the reference range scope and begin constantly to be converted to energy-saving mode from normal mode when not having the fixed time in advance.
Fig. 4 is the power-saving method flow chart according to the wireless multimedia terminal of the embodiment of the invention.
With reference to figure 4, the nodal method of wireless multimedia terminal of the present invention comprises:
Step S101, the user selects the broadcasting visual-audio mode by input part, selects to broadcast visual-audio mode according to the user, by loud speaker (36) output voice signal and by image display part (38) output image signal.
Step S102, the distance that test section 20 detects between user and the terminal when output voice and image.
Distance and the prior reference range of setting that step S103, control part 10 relatively detect according to test section 20.
The distance that step S104, comparative result detect is during greater than the reference range set in advance, and control part 10 is judged as that the user breaks away from the reference range scope and image display part 38 is converted to energy-saving mode from normal mode.At this moment, control part 10 is at image display part 38 under the state of energy-saving mode also that control loudspeaker 36 makes it be in unlatching (ON) state all the time, thereby the user continues to listen to broadcasting.
The range information that step S105, control part 10 utilize test section 20 to detect judges whether the user enters within the reference range of prior setting.
Step S106, control part 10 judge when users have entered within the reference range of prior setting, and above-mentioned image display part 38 is converted to normal mode from energy-saving mode.The user utilizes image display part 38 output image signal in above-mentioned normal mode, and utilizes loud speaker 36 output voice signals.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.

Claims (9)

1, a kind of wireless multimedia terminal is characterized in that, comprising:
The image display part, output image signal;
Loud speaker, the output voice signal;
The digital broadcasting acceptance division, receiving digital broadcast data;
Test section, the distance between detection and the user;
Control part, the digital broadcast data that processing receives from described digital broadcasting acceptance division, drive described image display part and loud speaker, and according to the distance that described test section detects surpassed prior setting apart from the time described image display part is converted to energy-saving mode from normal mode.
2, wireless multimedia terminal according to claim 1 is characterized in that, described control part is converted to the described loud speaker of control under the state of energy-saving mode at described image display part, makes its output voice signal.
3, wireless multimedia terminal according to claim 1 is characterized in that: described control part is converted to the voice output that strengthens loud speaker under the state of energy-saving mode at described image display part.
4, wireless multimedia terminal according to claim 1 is characterized in that: described control part is controlled described image display part, makes it be converted to energy-saving mode through after the given time from normal mode.
According to the arbitrary described wireless multimedia terminal of claim 1 to 4, it is characterized in that 5, described test section utilizes ultrasound sensors or infrared ray sensor.
6, a kind of power-saving method of wireless multimedia terminal, the power-saving method at possessing the wireless multimedia terminal that image display part and loud speaker are arranged is characterized in that, comprising:
Detect step, the distance during audiovisual broadcast between detection and the user;
Controlled step, the distance of described detection surpassed prior setting apart from the time control described image display part and be converted to energy-saving mode from normal mode.
7, the power-saving method of wireless multimedia terminal according to claim 6 is characterized in that, described controlled step is converted to the described loud speaker of control under the state of energy-saving mode at described image display part, makes its output voice signal.
8, the power-saving method of wireless multimedia terminal according to claim 6 is characterized in that, described controlled step is converted to the voice output that strengthens loud speaker under the state of energy-saving mode at described image display part.
9, the power-saving method of wireless multimedia terminal according to claim 6 is characterized in that: the described image display part of control in the described controlled step makes it be converted to energy-saving mode through after the given time from normal mode.
CN2006101499489A 2005-10-19 2006-10-19 Wireless multimedia terminal and power saving method of itself Expired - Fee Related CN1953591B (en)

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KR1020050098808A KR100644040B1 (en) 2005-10-19 2005-10-19 Wireless multimedia terminal and power saving method of itself
KR10-2005-0098808 2005-10-19
KR1020050098808 2005-10-19

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101938558A (en) * 2010-08-30 2011-01-05 宇龙计算机通信科技(深圳)有限公司 Mode switching method and system for mobile terminal and mobile terminal
WO2014205755A1 (en) * 2013-06-28 2014-12-31 Nokia Corporation Supporting activation of function of device

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8195220B2 (en) * 2008-02-01 2012-06-05 Lg Electronics Inc. User interface for mobile devices
US8423076B2 (en) 2008-02-01 2013-04-16 Lg Electronics Inc. User interface for a mobile device
CN102761661B (en) * 2012-06-28 2015-07-15 惠州Tcl移动通信有限公司 Mobile communication terminal and call processing method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101938558A (en) * 2010-08-30 2011-01-05 宇龙计算机通信科技(深圳)有限公司 Mode switching method and system for mobile terminal and mobile terminal
CN101938558B (en) * 2010-08-30 2014-11-19 宇龙计算机通信科技(深圳)有限公司 Mode switching method and system for mobile terminal and mobile terminal
WO2014205755A1 (en) * 2013-06-28 2014-12-31 Nokia Corporation Supporting activation of function of device

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KR100644040B1 (en) 2006-11-10

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