CN1795427A - Device for signal connection and energy supply for consumer electronics apparatuses - Google Patents
Device for signal connection and energy supply for consumer electronics apparatuses Download PDFInfo
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- CN1795427A CN1795427A CNA2004800143601A CN200480014360A CN1795427A CN 1795427 A CN1795427 A CN 1795427A CN A2004800143601 A CNA2004800143601 A CN A2004800143601A CN 200480014360 A CN200480014360 A CN 200480014360A CN 1795427 A CN1795427 A CN 1795427A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/266—Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/02—Details
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Power Sources (AREA)
- Selective Calling Equipment (AREA)
- Computer And Data Communications (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
A system of interconnected components is provided, wherein a component is used as a central component (100) and at least one further component is used as a peripheral unit (201, 202, 203), which system has an improved energy consumption which is alternatively achieved in that the components are connected via a standard connection (USB connection) and that the required energy for reactivation from the standby mode as well as the wake-up signal are obtained via this connection, or that the relevant socket (240, 250) of a peripheral unit (202, 203) is remote-controlled so as to reactivate the central component (100).
Description
The present invention relates to a kind of system, comprise a plurality of assemblies that interconnect in order to carry out data transmission and power supply by means of standard USB (USB (universal serial bus)) agreement.USB is the I/O interface, is widely used in data processing field.USB also is used for to the low power components power supply that is connected except being used for data-transformation facility.Main frame (connection in computing machine) provides the electric current that is 500mA to the maximum during for 5V in operating voltage.Guarantee power supply by central unit to this peripherals.The advantage of doing like this is: can save additional operating voltage switch and additional mains supply equipment.The basic product attribute of current drain representative when computer assemblies is in standby mode.By adopting central mode to control to power supply, this high current drain just can be limited to minimum.
USB is implemented as the star bus structure of combination.Usb host adapter in the computing machine is in the foremost of this structure.It can connect nearly 127 equipment.Individual equipment or usb hub can be connected to the output terminal of host adapter.This hub needs as the splitter that is used for plural USB device.Hub also guarantees always to have a USB device sending its data to console controller except power supply.All data are right via bidirectional line, add main line and power circuit (+5V) guided.Data are differentially sent, and this proof USB is sane.In order to connect more at a slow speed via same bus and equipment fast, the transmission via USB is further divided into channel.Have up to 1.5mbit/s low rate channel (for example, being used for mouse, keyboard) and up to the middling speed channel (for example, being used for ISDN, audio frequency) of 12mbit/s, and these two kinds of channels are all controlled via identical interface.IA High Speed Channel up to 500mbit/s (for example, being used for video, storage medium) also is provided.Irrelevant with the speed category of equipment, it always is to use four identical utmost point plugs.With regard to connecting cable, have difference, high-speed equipment requires the twisted cable of shielding.Unscreened twisted cable can be used for low-speed device.
Two terminal devices can directly exchange their data via the USB-On-The-Go function.Usually, USB device can only be used as slave unit by principal computer.Utilize USB-On-The-Go, for example digital camera can with under the situation of computer interconnection not send data to printer.Certainly the master capability of " On-The-Go " equipment may be limited in being used for the necessary bottom line of point-to-point operation.Therefore, not that each USB device can be independently and any other devices communicating arbitrarily.
United States Patent (USP) 6,211,649 B1 disclose a kind of USB cable of the external unit battery that is used to charge, described USB cable is connected the USB port of PC with the equipment plug of external unit, and described USB cable has the device that is used to use the power from USB port to charge, and described device is arranged between two attachment plugs of the external unit battery that is used to charge.USB cable also is used for carrying out bidirectional data transfers between the plug of equipment externally and the USB port.Yet, externally during the practical operation of equipment, promptly during the playing back music, used the loudspeaker assembly that belongs to described equipment or be connected to described equipment.
The MP3 player/recorder MZ-N1 of known Sony in practice, it is equipped with USB to connect, and is used to charge the battery and the PC that can be used for operating easily connects.Corresponding music management software provides the possibility that music file is transferred to Sony's player/recorder from PC.
Connect via USB, can provide digital music file to such equipment, but the conventional simulation connection that loudspeaker carries out by means of attachment plug will be used to listen to so that store and play.
Jap.P. JP 10-326128 discloses a kind of by means of the next method to the pointer device power supply of USB.According to the method, provide energy needed to save energy to pointer device by under energy saver mode, adopting USB.
In the audio/video installation of for example forming, generally use a plurality of sockets to divide mains voltage by fixed equipment, portable set and television equipment.Must operate on/off switch or other switch of each equipment independently, perhaps each equipment of remote control independently.These equipment with standby mode all help the overall electric current consumption of audio/video installation, and must check the active situation of these signals respectively, so that automatically begin operation from standby mode.Connect the equipment that partly connects audio/video installation via the audio or video signal.
Accurate learning remote control is known from practice, and it can replace the function to the single remote control of the distinct device of an assembling.For " study ", the receiver that this remote control utilization is used for IR signal for example or radio signal forms.Its function of the remote control of equipment will be taken over by general remote control, and described remote control will suitably be aimed at general remote control, is activated when described remote control is in " study " pattern.This means that general remote control utilization only is used for the receiver formation of " study " process.The remote control of described equipment also only needs promptly to be used for notice by its employed universal remote control code with once.In the assembling that comprises a plurality of equipment, audio/video installation for example, when using general remote control, a plurality of remote controls may be redundant.The receiver of remote-control sytem that these equipment of this assembling all utilize signal its oneself, universal remote control to arrive forms.
The purpose of this invention is to provide a kind of system that standard connects (USB connections) that has, described standard connects and is used for the signal connection and at least two assembly power supplies of described system, described system has improved energy consumption.Another object of the present invention provides a kind of utilization USB between assembly and connects to come the method for powering to system, has reduced the energy consumption of described system.
Further purpose of the present invention provides a kind of system that comprises at least two assemblies, and via the analog or digital interconnect, described system has improved energy consumption to described two assemblies for the signal transmission at least.
According to the present invention, realize described purpose by the system of interconnecting assembly, described system comprises:
Standard connects (USB connection), is used for carrying out data transmission and is described assembly power supply between assembly, and wherein assembly replacedly is:
The operate power that is less than or equal to by the described standard connection power that provides is provided type equipment a),
Or
Type b) equipment has greater than the operate power that the power that provides is provided by described standard,
Type b) assembly, as the central component in the described system,
The type of another one at least a) or b) assembly, as peripherals,
By the included device of described central component, be used to be controlled at the data transmission of carrying out between the interconnecting assembly and be used to control to they power supply and
The backup device that is used for described central component.
Under standby mode, the current drain of the reduction equipment that for example comes by the EHT of the spindle driver of power supply, TV or CD Player and operating voltage are separated.Utilize formed each individual equipment of backup device also current sinking in standby mode, this is because described equipment must respond to the condition of activation again.Again the condition of Ji Huoing for example is remote signal to occur.This means at regular intervals or constantly receiver of remote-control sytem is connected to supply voltage, so that described receiver of remote-control sytem consumed energy.As selection, it also is possible for example pressing the play button of audio frequency apparatus or the program options button of startup television equipment.The present invention is based on following understanding: being used for supply voltage that system component is activated again from standby mode can provide by means of connecting through the standard of assembly thus, and no matter the operate power of described assembly greater than the power that still connects less than described standard.
In one embodiment of the invention, central component also comprises the receiver that is used for from remote control signal reception except that backup device.According to the learning process that is for example occurred in learning general remote control process, central component " is known " the different remote control code of the peripherals that is connected to it.For this reason, actual remote control that is associated with peripheral assembly and the correlation receiver of central unit (for example, infrared diode) are aimed at, and when described receiver was in mode of learning, described actual remote control just was activated.Thereby original distant control function can be copied to general remote control.The programmable telemetry ProntoNeo SBCRU930 of known Philips in practice, it has touch-screen and picture surface.After reception was used for the activation signal of given peripherals, this given peripherals was connected " waking up " by central component via standard or activates again.In order to realize this point, central component is connected to all peripherals of system directly or indirectly, realize signal Processing and power supply so that can connect via standard, thereby the activation signal of remote control also can be sent to corresponding apparatus.This means the standby mode of in according to system of the present invention, realizing a plurality of assemblies, but have only a backup device current sinking of central component.
In the further embodiment of the present invention, described central component is a note amplifier.In this case, for example type equipment a) is portable CD Player and type b) equipment be TV or video recorder.Note amplifier has the device that is used to select the source, and promptly its sound signal will be sent to the assembly of loudspeaker assembly.Be connected the advantage of using USB to connect of comparing with simulation and be that peripheral assembly not only sends sound signal, and when peripherals has the corresponding signal process device, also can after pushing play button, send to note amplifier to control signal so that the adjustment source is selected automatically.The further possibility of source selection is provided by entry field on the central component or remote control.
According to the embodiment of the invention, a plurality of loudspeakers are connected to note amplifier.Two loudspeakers are enough to satisfy simple audio reproducing.In order to strengthen acoustics, require a plurality of loudspeakers, described loudspeaker must correspondingly be controlled by note amplifier.In according to system of the present invention, owing to comprise that interconnecting assembly is connected with the standard that is used for data transmission, so the source can transmit control signal so that control loudspeaker best to note amplifier accordingly.Thereby, can save and manually select, and then avoid error source by the equipment user.
For comprising at least two assemblies (described assembly at least in order to carry out data transmission via the analog or digital interconnect) and having improved the system of energy consumption, the objective of the invention is to solve: as the assembly of central component and at least another one be used as peripherals assembly these two all belong to type b), and they all are connected to the mains supply that they obtain operate power via slot, and also be: the mains supply switch or the slot of one or more peripherals are subjected to remote control.Preferably, the mains supply switch arrangement can be the part of current cable also still, or be disposed in the peripherals in corresponding slot.Central component is controlled mains supply switch and slot, makes once more peripherals to be connected to mains supply when the operator produces accordingly again activation signal.The advantage of preferred version is: can also reduce or avoid quiescent current consumption in the equipment that is not equipped with USB to connect.
Type equipment a) is portable set, such as portable CD Player, pocket recorder or game console.
Type b) equipment is fixed equipment, such as CD Player, CD register, DVD player, video recorder, cassette recorder, laser video disk player, tape unit or radio.
According to further embodiment of the present invention, earphone of each radio link is connected to central component, and is controlled by host apparatus.
According to embodiment, comprise sound card and controller according to the host apparatus of system of the present invention.Thereby central component is different from conventional note amplifier.
According to the present invention, this purpose also realizes that by the method that is used for to the system of interconnecting assembly powers described system is included in the standard that is used for signal Processing and power supply between the described assembly and is connected (USB connection), and wherein assembly replacedly is:
The operate power that is less than or equal to by the described standard connection power that provides is provided type equipment a),
Or
Type b) equipment has greater than the operate power that the power that provides is provided by described standard,
Type b) assembly is used as the central component in the described system,
At least the another one type a) or b) assembly, as peripherals and
Described central component comprises backup device, is used for sending wake-up signal to this given peripherals when the wake-up signal of a given peripherals is received by described central component.For example be used to select the respective switch of the activation of source of wanting by the user, produce wake-up signal via the remote control that is associated with this system or by startup.Thereby the backup device of central component is checked the user regularly or constantly and whether has been produced wake-up signal.
Can be used to comprise consumer electronics's audio/video installation according to system of the present invention, such as home theater.
In a preferred embodiment, the shell of equipment (can be connected to according to system of the present invention) is equipped with usb bus, and perhaps described equipment comprises the device that is used for receiving or sending according to the USB standard order and audio stream.The present invention is based on following understanding: only require that in digital transmission a cable replaces simulating normal cable, this has simplified the cable connected system and has reduced cost by the bus that less amount is installed on device housings.
Be suitable for the system of wherein known in advance transmission data cell end in the known standard of data processing field.Because audio stream has unknown end, so should treat them with a certain discrimination.
To illustrate these and other aspect of the present invention and it is perfectly clear with reference to embodiment described below.
In the accompanying drawings:
Fig. 1 schematically show be used for signal Processing and the power supply according to system of the present invention and
Fig. 2 schematically show interconnecting assembly according to system of the present invention, described each assembly all is connected to mains supply via slot.
Receiver of remote-control sytem 130 for example comprises infrared diode 140,
Multiplying arrangement 150 is connected to a plurality of output terminals via usb hub 180: audio frequency output (Audio-Out) AO
1, AO
2..., AO
i,
Be used to make central component 100 to be suitable as the device 160 of main frame,
The USB port 170 of type A is used to represent the input end of audio frequency input (Audio-In), and wherein one or more peripherals 201,202,203 are connected to this input end.
Accompanying drawing shows how to connect 180 two or more loudspeaker L via USB with the form of giving an example
1, L
2... L
iBe connected to central component 100.Being used for splitting the desired hub of USB (HUB) 180 can be that separate equipment maybe can be integrated into central component 100 or one or more loudspeaker L
1, L
2... L
iIn.According to useful especially mode, hub is disposed in the loudspeaker in conventional household audio and video system the place ahead, promptly in left speaker, right loudspeaker, central authorities or woofer channel, and another hub is disposed in the rear, promptly in the loudspeaker of back or in woofer channel.Because available 2.5W is big inadequately usually, so can not be via the power supply of USB realization to effective loudspeaker.In order to show the dirigibility of native system, Earphone Amplifier has been shown in dotted line.Yet as selection, the transmitter of wireless headset can be connected to USB, and 2.5W is enough to satisfy its power supply in this case.
Because being connected, all USB provide identical possibility in the central component 100, so the USB standard provides the possibility of flexible use.Thereby the user no longer needs decision which equipment is which bus be connected to, and this is because which connection is central component 100 can determine to utilize to arrive which equipment via plug and play protocol fixing in USB.
Can adjust the also number of administrative institute's connection device 201,202,203 according to the possibility that is provided by central component 100.
One or more peripherals 201,202,203 be can connect, and when using an above assembly, hub or another multiplying arrangement needed in USB port.USB cable 301,302,303 is used for from peripheral assembly 201,202,203 music to central component 100 (audio frequency input) digital transmission, and is used for wake-up signal is sent to relevant peripherals 201,202,203 from central component 100.Also can send to central component 100 to control signal from peripherals 201,202,203, for example the information that is pressed about the play button of peripherals 201,202,203 is selected so that the host apparatus 160 of central component 100 automatically is set to the source of this peripherals.Peripherals 201,202,203 has the USB port 210,220,230 of type B.
As selection, peripherals can belong to:
Type a) has the operate power that is less than or equal to by the standard connection power that provides, or
Type b), have greater than the power that the power that provides is provided by standard.
In this embodiment, peripherals 201 belongs to type and connects a) and via the USB standard and be provided with operate power.Connecting the operate power that provided via known USB standard approximately is 2.5W when the maximal value+5V at present.In this embodiment, peripherals 202 and 203 is type b) equipment, all be connected to mains supply via slot 240,250 so as the power supply.
In standby mode, peripherals 202,203 and mains supply is separate comes, this is illustrated by switch 204 and switch 205.In according to system of the present invention, owing to improved energy consumption, so the bi-directional nature of having utilized the USB standard to connect in the time of will be activated again with convenient corresponding peripheral device 202,203, sends to this equipment to wake-up signal from main frame central component 100 from standby mode.The user for example produces wake-up signal by means of remote control.In a preferred embodiment, use same receiver of remote-control sytem 130 for all assemblies that are connected to system.Therefore, after connecting peripherals, it is effective code that the receiver of remote-control sytem 130 of central component 100 must be learnt this is connected peripherals.In peripherals 202,203 by it is handled wake-up signal via the mode that mains supply switch 204 or 205 is connected to mains supply.
When will be by means of the audio installation playing back music, because the note amplifier control loudspeaker, so all be connected to mains supply in any case.
According to the present invention, when carrying out wakeup process, the standby power supply 110 of this central component 100 is used for power supply.In addition as type b) the operate power of peripherals when connecting the power provided by USB, just can come control example as being used as the relay of mains supply switch 204,205 fully.
Fig. 2 schematically show comprise interconnecting assembly 202,203 according to system of the present invention, described each assembly all is connected to mains supply via slot 240,250.Peripherals 202,203 is connected to central component 100 via analog or digital circuit 501,502.Peripherals 202,203 can be separated with mains supply mutually via power switch 204,205.Each switch 204,205 can be by central component 100 controls, and this is respectively by dotted line 401 and 402 expressions.It can be an operation circuit independently, and for example when it be that USB also can use when connecting and connects 501,502.When corresponding peripheral device 202,203 will be closed mains supply switch 204,205 when standby mode is activated again.The user is for example by starting remote control or by selecting corresponding source from the field 400 that is used for selecting in the source, producing activation signal again.Central component 100 obtains to be used to produce the energy of wake-up signal from mains supply via slot 120.As selection, accumulator or battery can be guaranteed power supply.
Be to simplify the connection of single component 100,201,202,203 and totally be assemblied in cable according to the advantage of system of the present invention and connected improvement has been arranged.
Conventional USB cable 301,302,303 can be used for building according to system of the present invention.Central component 100 has and is used for the category-A bus 170 that downstream send.Adopt corresponding mode, peripherals is equipped with and is used for the category-B bus 210,220,230 that upstream send.
In a word, the present invention relates to a kind of system of interconnecting assembly, one of them assembly is as central component (100), and the another one assembly is used as peripherals (201 at least, 202,203), described system has improved energy consumption, as selection, this can realize by following means, described assembly connects (USB connection) via standard and connects, and activate again and the energy needed of wake-up signal from standby mode through connect obtaining thus to be used for, perhaps the associated slots (240,250) of peripherals (202,203) is subjected to remote control so that activate described central component (100) again.
Claims (13)
1. the system of an interconnecting assembly (100,201,202,203) comprising:
Standard connects (USB connection) (301,302,303), is used for carrying out data transmission and is described assembly power supply between assembly, and wherein assembly replacedly is:
The operate power that is less than or equal to by the described standard connection power that provides is provided type equipment (201) a),
Or
Type b) equipment (202,203) has greater than the operate power that the power that provides is provided by described standard,
Type b) assembly, as the central component (100) in the described system,
At least the another one type a) or b) assembly (201,202,203), as peripherals, it is characterized in that described central component (100) comprising:
Be used to be controlled at the data transmission between the described interconnecting assembly and be used to control to the device (160) of their power supply and
Backup device (110).
2. the system as claimed in claim 1 is characterized in that described central component (100) comprises the receiver (130) that is used for from remote control (500) received signal.
3. system as claimed in claim 1 or 2 is characterized in that described central component (100) is a note amplifier.
4. system as claimed in claim 3 is characterized in that (L1 L2...Ly) is connected to described note amplifier (100) to a plurality of loudspeakers.
5. one kind comprises at least two assemblies (100,202,203) system, described assembly at least for data transmission via analog or digital circuit (501,502) interconnection, wherein said assembly (100,202,203) have type b) and via slot (120,240,250) be connected to mains supply, and described assembly obtains operate power from described mains supply, it is characterized in that described system comprises as the assembly of central component (100) with as peripherals (202,203) one or more assemblies, and the mains supply switch (204 of peripherals (202,203), 205) or slot (240,250) be subjected to remote control.
6. as the previous described system of any one claim, it is characterized in that type equipment a) is portable set, such as portable CD Player, pocket recorder or game console.
7. as the previous described system of any one claim, it is characterized in that type b) equipment be fixed equipment, such as CD Player, laser recorder, DVD player, video recorder, cassette recorder, laser video disk player, tape unit or radio.
8. as the previous described system of any one claim, it is characterized in that earphone of each radio link is connected to described central component (100).
9. as the previous described system of any one claim, it is characterized in that described host apparatus (160) comprises sound card and controller.
10. a method that is used for to system's power supply of interconnecting assembly is included in the standard that is used for signal Processing and power supply between the assembly and is connected (USB connection), and wherein assembly replacedly is:
The operate power that is less than or equal to by the described standard connection power that provides is provided type equipment (201) a),
Or
Type b) equipment (100,202,203) has greater than the operate power that the power that provides is provided by described standard,
Type b) assembly is used as the central component (100) in the described system,
At least the another one type a) or b) assembly, be used as peripherals (201,202,203),
It is characterized in that
Described central component (100) comprises backup device (110), be used for when the wake-up signal of a given peripherals (201,202,203) is received by described central component (100), sending wake-up signal to this given peripherals (201,202,203).
11. the application of the system of an interconnecting assembly is particularly as any one described system in the claim 1 to 5, as the audio/video installation that comprises consumer electronics (201,202,203).
12. the equipment of an audio file that is suitable for playing and/or reads on the storage medium to be stored, and it is as any one described assembly in the claim 1 to 9, the shell that it is characterized in that described equipment (201,202,203) is equipped with usb bus, and perhaps described equipment comprises and is used for receiving or send order and audio stream according to the USB standard.
13. equipment as claimed in claim 12, it is characterized in that it is the equipment of selecting from following group (201,202,203), described group comprises portable CD Player, pocket recorder, game console, CD register, DVD player, video recorder, cassette recorder, laser video disk player, tape unit or radio.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP03101519 | 2003-05-26 | ||
| EP03101519.1 | 2003-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1795427A true CN1795427A (en) | 2006-06-28 |
Family
ID=33462214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2004800143601A Pending CN1795427A (en) | 2003-05-26 | 2004-05-17 | Device for signal connection and energy supply for consumer electronics apparatuses |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1631891A2 (en) |
| JP (1) | JP2007503657A (en) |
| KR (1) | KR20060004701A (en) |
| CN (1) | CN1795427A (en) |
| WO (1) | WO2004104847A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107079220A (en) * | 2014-11-12 | 2017-08-18 | 高通股份有限公司 | Microphone through reduction is powered the stand-by period |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100422992C (en) * | 2005-08-08 | 2008-10-01 | 扬智科技股份有限公司 | Dynamic switchover method and device of MTP protocol and MSC mode of portable multimedia device |
| CN103533181B (en) * | 2012-07-02 | 2016-03-23 | 北京鼎合远传技术有限公司 | Wake the apparatus and method of mobile terminal external equipment up |
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|---|---|---|---|---|
| US5799196A (en) * | 1996-07-02 | 1998-08-25 | Gateway 2000, Inc. | Method and apparatus of providing power management using a self-powered universal serial bus (USB) device |
| US6216052B1 (en) * | 1996-10-23 | 2001-04-10 | Advanced Micro Devices, Inc. | Noise elimination in a USB codec |
| JP3457596B2 (en) * | 1999-11-19 | 2003-10-20 | Ｎｅｃビューテクノロジー株式会社 | USB compatible speaker drive system |
| DE10020424A1 (en) * | 2000-04-26 | 2001-10-31 | Tedas Ges Fuer Telekommunikati | Headset used on a computer, has USB module that has USB data line connected to USB interface for connection to one USB port of computer |
| FR2810833B1 (en) * | 2000-06-27 | 2002-09-20 | Thomson Multimedia Sa | MULTIMEDIA AUDIOVISUAL TRANSMISSION RECEIVING APPARATUS |
| DE10106025A1 (en) * | 2001-02-09 | 2002-08-14 | Philips Corp Intellectual Pty | Data interface controlled multiple socket |
| JP3975233B2 (en) * | 2001-07-11 | 2007-09-12 | 株式会社ケンウッド | Audio equipment and audio output control method |
-
2004
- 2004-05-17 JP JP2006530865A patent/JP2007503657A/en active Pending
- 2004-05-17 WO PCT/IB2004/050713 patent/WO2004104847A2/en not_active Application Discontinuation
- 2004-05-17 EP EP04733419A patent/EP1631891A2/en not_active Withdrawn
- 2004-05-17 CN CNA2004800143601A patent/CN1795427A/en active Pending
- 2004-05-17 KR KR1020057022523A patent/KR20060004701A/en not_active Application Discontinuation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107079220A (en) * | 2014-11-12 | 2017-08-18 | 高通股份有限公司 | Microphone through reduction is powered the stand-by period |
| CN107079220B (en) * | 2014-11-12 | 2019-04-26 | 高通股份有限公司 | For reducing the method and its microphone of microphone energization waiting time |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2004104847A3 (en) | 2005-01-06 |
| KR20060004701A (en) | 2006-01-12 |
| JP2007503657A (en) | 2007-02-22 |
| WO2004104847A2 (en) | 2004-12-02 |
| EP1631891A2 (en) | 2006-03-08 |
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