CN100423598C - Terminal for dmb - Google Patents
Terminal for dmb Download PDFInfo
- Publication number
- CN100423598C CN100423598C CNB2006100875244A CN200610087524A CN100423598C CN 100423598 C CN100423598 C CN 100423598C CN B2006100875244 A CNB2006100875244 A CN B2006100875244A CN 200610087524 A CN200610087524 A CN 200610087524A CN 100423598 C CN100423598 C CN 100423598C
- Authority
- CN
- China
- Prior art keywords
- mentioned
- switch
- digital multimedia
- power supply
- terminal
- Prior art date
- 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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Classifications
-
- 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
- H04W52/0274—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
-
- 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)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
Terminal for digital multimedia broadcast which relates to digital multimedia broadcast technique is disclosed. The terminal is composed of core components, digital components, analog components which are differentiated by act, comprising a low drop output voltage regulator, a first switch, a second switch and a controller. The low drop output voltage regulator supplies power for the core components; the first switch utilizes the output power of low drop output voltage regulator as a supply source to perform power supplying switch function for the digital components; the second switch utilizes the output power of low drop output voltage regulator as a supply source to perform power supplying switch function for the analog components; the controller for controlling the switches act of the first and second switch. Thus the invention has advantages of simple hardware structure and high power allocation efficiency of the digital multimedia broadcast terminal.
Description
Technical field
The invention belongs to the DMB technology, especially relate to a kind of digital multimedia broadcasting terminal of efficiency power distribution.
Background technology
DMB (DMB) is realized specializing gradually.The notion of DMB is defined as providing the sound/image service and the data, services of high tone quality and high image quality and the good fixing digital form multimedia broadcasting that reaches mobile collection of letters quality is provided.
DMB terminal in the past comprises three parts as shown in Figure 1 of distinguishing with its action.
Fig. 1 is the component region component of classifying by action according to the digital multimedia broadcasting terminal of conventional art.
With reference to Fig. 1, the DMB terminal is made up of core component 4, digital unit 5 and analog component 6 according to the action of terminal.
And the DMB terminal possesses to the low pressure drop output voltage pressurizer of each parts 4,5 and 6 power supplies (LowDrop Output voltage regulator; Be designated hereinafter simply as LDO).Particularly possess LDO_1 power supply 1 to core component 4 supply, to the LDO_2 power supply 2 of digital unit 5 supplies with to the LDO_3 power supply 3 of analog component 6 supplies.
And when following situation, digital unit 5 should be in power opening state.This situation is: mobile communication signal is not sent or receives by reality, but with in the state wait that can send or receive its mobile communication signal; When moving for handling high-frequency signal or intermediate-freuqncy signal; When showing common holding state picture rather than DMB picture on the demonstration means on the DMB terminal.Below digital unit 5 should be in power opening state above-mentioned operate condition be referred to as figure pattern.
Therefore, thereby LDO_2 moves to digital unit 5 power supplies according to control signal 2 when figure pattern, thereby and LDO_3 moves to analog component 6 power supplies according to control signal 3 when simulation model.
As mentioned above, the DMB terminal according to conventional art should possess each parts (core component, digital unit, analog component) that independent LDO promptly distinguishes according to action.
Therefore be to realize the DMB terminal, have the low problem of installation effectiveness of DMB terminal mainboard.
In addition, because each parts independent power supply, LDO should connect the power supply source of supply of each parts.Therefore the problem that on power distribution, also has non-efficiency.
Summary of the invention
The object of the present invention is to provide the realization that to simplify terminal hardware and a kind of digital multimedia broadcasting terminal that improves the efficiency power distribution of power distribution efficiency.Described digital multimedia broadcasting terminal is made up of core component, digital unit and the analog component distinguished with action, it is characterized in that: comprise LDO low pressure drop output voltage pressurizer, the 1st switch, the 2nd switch and controller composition.Wherein LDO supplies the power supply of core component; The 1st switch uses the out-put supply of above-mentioned LDO as source of supply, thereby carries out the power supply provider switch function of above-mentioned digital unit; The 2nd switch uses the out-put supply of above-mentioned LDO as source of supply, thereby carries out the power supply provider switch function of above-mentioned analog component; Controller is controlled each switch motion of above-mentioned the 1st switch and above-mentioned the 2nd switch.
Feature of the present invention also is: when above-mentioned controller is in the wait state of transmitt or receive signal in above-mentioned terminal, thereby open above-mentioned the 1st switch to above-mentioned digital unit power supply.
Feature of the present invention also is: when above-mentioned controller moves for handling high-frequency signal or intermediate-freuqncy signal in above-mentioned terminal, thereby open above-mentioned the 1st switch to above-mentioned digital unit power supply.
Feature of the present invention also is: when above-mentioned controller moves for handling bandwidth signal in above-mentioned terminal, thereby open above-mentioned the 2nd switch to above-mentioned analog component power supply.
Feature of the present invention also is: when above-mentioned controller shows corresponding to the broadcasted content of above-mentioned DMB data after above-mentioned terminal receiving digital multimedia broadcastinging data, thereby open above-mentioned the 2nd switch to above-mentioned analog component power supply.
Feature of the present invention also is: the above-mentioned the 1st and the 2nd switch is a switching transistor.
The invention has the beneficial effects as follows that digital multimedia broadcasting terminal is to use a power supply source of supply according to each parts (core component, digital unit, analog component) that action is distinguished, and replace existing a plurality of LDO, and the power distribution of each parts has been used switch element, therefore improved the efficiency of digital multimedia broadcasting terminal power distribution.In addition, owing to do not use a plurality of LDO, can improve the installation effectiveness of terminal mainboard.
Description of drawings
Fig. 1 is the component region component of classifying by action according to the digital multimedia broadcasting terminal of conventional art;
Fig. 2 is the internal structure block diagram according to digital multimedia broadcasting terminal of the present invention.
Embodiment
The invention provides the realization that to simplify terminal hardware and a kind of digital multimedia broadcasting terminal that improves the efficiency power distribution of power distribution efficiency.Describe the structure and the effect thereof of the embodiment of the invention in detail below in conjunction with accompanying drawing.Accompanying drawing is illustrated and by the structure of the present invention of its explanation and be used as at least one embodiment and describe, and the technological thought of the invention described above and its core texture and effect are not limited to this.
Fig. 2 is the internal structure block diagram according to digital multimedia broadcasting terminal of the present invention.
With reference to Fig. 2, DMB terminal of the present invention is made up of core component 40, LDO 10, digital unit 50 and analog component 60.Core component 40 need move when starting terminal according to the action of terminal; LDO 10 is to its core component 40 power supplies; Digital unit 50 moves when waiting for communication service; Analog component 60 moves when receiving the DMB data of DMB service and when showing corresponding to the broadcasted content that receives the DMB data.Certainly according to circumstances, also can move when high-frequency signal that digital unit 50 send, collects mail in processing or intermediate-freuqncy signal, analog component 60 also can move when handling bandwidth signal.
And DMB terminal of the present invention also comprises the 1st switch the 20, the 2nd switch 30 and controller (not shown) composition.The power supply provider switch function of the 1st switch 20 combine digital parts 50; The 2nd switch 30 is carried out analog component 60 power supply switching functions; Controller is controlled the switch motion of above-mentioned the 1st switch 20 and the 2nd switch 30.Particularly, as shown in the figure, the power supply source of supply that offers the 1st switch 20 and the 2nd switch 30 is the out-put supply of above-mentioned LDO 10.
And above-mentioned the 1st switch 20 and the 2nd switch 30 are switching transistors.
Do not sent or receive at mobile communication signal, but be the wait state of mobile communication service in waiting for the state that can send or receive its mobile communication signal by reality: or handle or during intermediate-freuqncy signal at the high-frequency signal of handling the mobile communication service; Or when showing common holding state picture rather than DMB picture on the demonstration means on the DMB terminal.
And analog component 60 power-on during in simulation model when following operate condition.
-when thereby actual mobile communication signal moves for handling bandwidth signal (when handling the bandwidth frequency signal of mobile communication service)
-receive the DMB data and during by demonstration means display of broadcast content
In addition, controller is in the wait state that sends or receive the letter signal or during for figure pattern such as handle that high-frequency signal or intermediate-freuqncy signal are moved, opens above-mentioned the 1st switch 20 in the DMB terminal, thereby to above-mentioned digital unit 50 power supplies.When figure pattern, the signal that the ON/OFF of the 1st switch 20 is controlled is a control signal 1.
In addition, when controller shows corresponding to the simulation models such as broadcasted content of above-mentioned DMB data, thereby open above-mentioned the 2nd switch 30 after the DMB data are moved or received to the DMB terminal for the processing bandwidth signal to above-mentioned analog component 60 power supplies.The signal of when simulation model the ON/OFF of the 2nd switch 30 being controlled is a control signal 2.
By illustrated above content, the practitioner just can understand in the scope that does not break away from the technology of the present invention thought can carry out various change and modification.
Therefore, technical scope of the present invention can not limit with the content of being put down in writing in the specification, but decides with the claim scope.
Claims (6)
1. digital multimedia broadcasting terminal, described digital multimedia broadcasting terminal is made up of core component, digital unit and the analog component distinguished with action, it is characterized in that: comprise low pressure drop output voltage pressurizer, the 1st switch, the 2nd switch and controller; Low pressure drop output voltage pressurizer is supplied the power supply of above-mentioned core component; The 1st switch uses the out-put supply of above-mentioned low pressure drop output voltage pressurizer as source of supply, thereby carries out the power supply provider switch function of above-mentioned digital unit; The 2nd switch uses the out-put supply of above-mentioned low pressure drop output voltage pressurizer as source of supply, thereby carries out the power supply provider switch function of above-mentioned analog component; Controller is controlled each switch motion of above-mentioned the 1st switch and the 2nd switch.
2. digital multimedia broadcasting terminal according to claim 1 is characterized in that: when above-mentioned controller is in the wait state of transmitt or receive signal in above-mentioned terminal, thereby open above-mentioned the 1st switch to above-mentioned digital unit power supply.
3. digital multimedia broadcasting terminal according to claim 1 is characterized in that: when above-mentioned controller moves for handling high-frequency signal or intermediate-freuqncy signal in above-mentioned terminal, thereby open above-mentioned the 1st switch to above-mentioned digital unit power supply.
4. digital multimedia broadcasting terminal according to claim 1 is characterized in that: when above-mentioned controller moves for handling bandwidth signal in above-mentioned terminal, thereby open above-mentioned the 2nd switch to above-mentioned analog component power supply.
5. digital multimedia broadcasting terminal according to claim 1, it is characterized in that: when above-mentioned controller shows corresponding to the broadcasted content of above-mentioned DMB data, thereby open above-mentioned the 2nd switch after above-mentioned terminal receiving digital multimedia broadcastinging data to above-mentioned analog component power supply.
6. digital multimedia broadcasting terminal according to claim 1 is characterized in that: the above-mentioned the 1st and the 2nd switch is a switching transistor.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2005-0056535 | 2005-06-28 | ||
| KR1020050056535A KR100710332B1 (en) | 2005-06-28 | 2005-06-28 | Terminal for DMB |
| KR1020050056535 | 2005-06-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1893702A CN1893702A (en) | 2007-01-10 |
| CN100423598C true CN100423598C (en) | 2008-10-01 |
Family
ID=37598112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100875244A Expired - Fee Related CN100423598C (en) | 2005-06-28 | 2006-06-14 | Terminal for dmb |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100710332B1 (en) |
| CN (1) | CN100423598C (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1247647A (en) * | 1997-12-16 | 2000-03-15 | 三星电子株式会社 | Power saving device for radio communication terminal |
| EP1139589A2 (en) * | 1992-09-15 | 2001-10-04 | British Broadcasting Corporation | Dual band Digital Audio Broadcast (DAB) receiver |
| US20040022326A1 (en) * | 2002-07-30 | 2004-02-05 | John Morrish | Digital audio receiver |
| CN1543246A (en) * | 2003-04-30 | 2004-11-03 | 乐金电子(中国)研究开发中心有限公司 | Image transmitting, receiving and cutting device and method for mobile communication terminal |
| CN1627632A (en) * | 2003-12-13 | 2005-06-15 | 乐金电子(中国)研究开发中心有限公司 | Power amplifier protector of double-frequency portable terminal and its protection method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990049646A (en) * | 1997-12-13 | 1999-07-05 | 전주범 | Operating power supply device of RF module |
| JPH11186952A (en) * | 1997-12-22 | 1999-07-09 | Matsushita Electric Ind Co Ltd | Power supply for portable telephone set |
| KR100461553B1 (en) * | 1998-12-09 | 2005-04-06 | 주식회사 팬택앤큐리텔 | Power supply circuit of mobile communication terminal |
-
2005
- 2005-06-28 KR KR1020050056535A patent/KR100710332B1/en not_active IP Right Cessation
-
2006
- 2006-06-14 CN CNB2006100875244A patent/CN100423598C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1139589A2 (en) * | 1992-09-15 | 2001-10-04 | British Broadcasting Corporation | Dual band Digital Audio Broadcast (DAB) receiver |
| CN1247647A (en) * | 1997-12-16 | 2000-03-15 | 三星电子株式会社 | Power saving device for radio communication terminal |
| US20040022326A1 (en) * | 2002-07-30 | 2004-02-05 | John Morrish | Digital audio receiver |
| CN1543246A (en) * | 2003-04-30 | 2004-11-03 | 乐金电子(中国)研究开发中心有限公司 | Image transmitting, receiving and cutting device and method for mobile communication terminal |
| CN1627632A (en) * | 2003-12-13 | 2005-06-15 | 乐金电子(中国)研究开发中心有限公司 | Power amplifier protector of double-frequency portable terminal and its protection method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1893702A (en) | 2007-01-10 |
| KR100710332B1 (en) | 2007-04-23 |
| KR20070000875A (en) | 2007-01-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: LANGCHAO LEJIN DIGITAL MOBILE COMMUNICATION CO., L Free format text: FORMER OWNER: LG ELECTRONIC (CHINA) RESEARCH + DEVELOPMENT CENTRE CO., LTD. Effective date: 20120308 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100022 CHAOYANG, BEIJING TO: 264001 YANTAI, SHANDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120308 Address after: 264001 No. 228 Changjiang Road, Yantai economic and Technological Development Zone, Shandong, China Patentee after: Langchao Lejin Digital Mobile Communication Co., Ltd. Address before: 100022 Beijing city Chaoyang District Jianguomenwai Street No. 12 b Gemini building 18 layer tower Patentee before: LG Electronic (China) Research and Development Center Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081001 Termination date: 20170614 |