WO2008005731A2 - Systems and methods for power management in relation to a wireless storage device - Google Patents
Systems and methods for power management in relation to a wireless storage device Download PDFInfo
- Publication number
- WO2008005731A2 WO2008005731A2 PCT/US2007/071994 US2007071994W WO2008005731A2 WO 2008005731 A2 WO2008005731 A2 WO 2008005731A2 US 2007071994 W US2007071994 W US 2007071994W WO 2008005731 A2 WO2008005731 A2 WO 2008005731A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- content object
- hard disk
- disk drive
- play list
- flash memory
- Prior art date
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
- H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
- H04M1/6041—Portable telephones adapted for handsfree use
- H04M1/6075—Portable telephones adapted for handsfree use adapted for handsfree use in a vehicle
- H04M1/6083—Portable telephones adapted for handsfree use adapted for handsfree use in a vehicle by interfacing with the vehicle audio system
- H04M1/6091—Portable telephones adapted for handsfree use adapted for handsfree use in a vehicle by interfacing with the vehicle audio system including a wireless interface
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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
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
- G06F1/3209—Monitoring remote activity, e.g. over telephone lines or network connections
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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
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
- G06F1/3215—Monitoring of peripheral devices
- G06F1/3218—Monitoring of peripheral devices of display devices
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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
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
- G06F1/3275—Power saving in memory, e.g. RAM, cache
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/12—Arrangements for remote connection or disconnection of substations or of equipment thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03821—Inter-carrier interference cancellation [ICI]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/04—Protocols specially adapted for terminals or networks with limited capabilities; specially adapted for terminal portability
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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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
- 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
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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
- 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
Definitions
- the present invention is generally related to power management in consumer devices, and in particular to systems and methods for managing power in a wireless device including a non-volatile data storage component.
- the present invention is generally related to power management in consumer devices, and in particular to systems and methods for managing power in a wireless device including a non-volatile data storage component.
- Some embodiments of the present invention provide systems for reducing power consumption in a storage device.
- Such systems include a memory system with a hard disk drive and a flash memory.
- the flash memory maintains a menu file that includes a list of content objects available on the hard disk drive.
- the system includes a processor that executes software maintained on the memory system to update the menu file when a previously unavailable content object becomes available on the hard disk drive. Further, in some cases, the processor executes software that is operable to update the menu file when a previously available content object becomes unavailable on the hard disk drive.
- the menu file is in a format usable to drive a user interface of a controlling application device.
- the controlling application device is a cellular telephone
- the user interface is a graphical user interface.
- the menu file is an XML format file.
- the memory system further includes instructions executable by the processor to receive a play list, and to copy a first content object identified on the play list from the hard disk drive to the flash memory, and to copy a second content object identified on the play list from the hard disk drive to the flash memory.
- the content objects can be uploaded to either the application device that supplied the play list, or to another application device designated as the recipient of the content objects.
- the aforementioned application devices are communicably coupled to the memory system via a wireless network.
- the wireless network is a BluetoothTM network.
- the first content object and the second content object are maintained in a flash memory upon power down of higher power requirement portions of a memory system.
- Other embodiments of the present invention provide methods for power reduction. Such methods include providing a memory system that comprises at least a hard disk drive and a flash memory. The methods further include storing a content object to the hard disk drive, and maintaining a menu file in the flash memory that identifies the content object.
- the menu file is in a format usable to drive a user interface of an application device communicably coupled to the memory system via a wireless network.
- Such an approach relies on file based transfers and not necessarily on block based transfers. Because it is a file based transfer and not a block based transfer, it is known what requirements a particular file has in relation to a transfer.
- the methods further provide for updating the menu file to reflect the availability of the added content object on the hard disk drive.
- the application device is a cellular telephone
- the user interface is a graphical user interface that is integrated into the cellular telephone.
- the menu file is an XML format file. It should be noted that other file types may also be used. For example, a file type that is less complex than XML may be utilized in accordance with various embodiments of the present invention.
- the methods further include receiving a play list that includes the first content object and the second content object, and is received from an application device communicably coupled to the memory system via a wireless network. Based at least in part on the play list, copying the first content object from the hard disk drive to the flash memory; and based at least in part on the play list, copying the second content object from the hard disk drive to the flash memory.
- a more generic approach of a low power memory device and a high power memory device may be used where the low power memory device generically represents the hard disk drive, and the high power memory device generically represents the flash memory. In such cases, different low power and high power devices may be selected in accordance with various embodiments of the present invention.
- the methods include executing the play list such that the first content object and the second content object are provided to a receiving application device.
- Yet other embodiments of the present invention provide methods for reducing power that include providing a memory system with a hard disk drive and a flash memory. A first content object and a second content object are stored on the hard disk drive. The methods further include receiving a play list that identifies the first content object and the second content object. Based at least in part on the play list, the first and second content objects are copied from the hard disk drive to the flash memory.
- FIG. 1 depicts various UMCS devices and UMCS enabled application devices in accordance with some embodiments of the present invention
- FIG. 2 is a block diagram of an exemplary UMCS device interacting with an application device in accordance with various embodiments of the present invention
- FIG. 3 is a block diagram of an exemplary UMCS device with a non- volatile memory system including a flash memory and another non-flash memory component in accordance with various embodiments of the present invention
- FIGs. 4a-4f are block diagrams of a power conserving memory allocation approach that may be applied to the non- volatile memory system of Fig. 3 in accordance with some embodiments of the present invention
- FIG. 5 is a flow diagram showing a method for power efficient memory management in accordance with one or more embodiments of the present invention.
- Fig. 6 is a flow diagram showing another method for power efficient memory management in accordance with various embodiments of the present invention. DETAILED DESCRIPTION OF THE INVENTION
- the present invention is generally related to power management in consumer devices, and in particular to systems and methods for managing power in a wireless device including a non- volatile data storage component.
- Various embodiments of the present invention provide systems and methods for reducing power consumption in a device including a memory system.
- Such systems may include a memory system with a hard disk drive and a flash memory.
- the flash memory maintains a menu file that includes a list of content objects available on the hard disk drive.
- the system includes a processor that executes software maintained on the memory system to update the menu file when a previously unavailable content object becomes available on the hard disk drive. Further, in some cases, the processor executes software that is operable to update the menu file when a previously available content object becomes unavailable on the hard disk drive.
- Mobile storage system 201 includes a UMCS 211 communicably coupled to a mobile application device 241 via a wireless network 221.
- Wireless network 221 may be any wireless network capable of transferring information between UMCS 211 and mobile application device 241.
- wireless network 221 may be, but is not limited to, a BluetoothTM network or a Wi-Fi network that is, for example, 802.11 compliant.
- wireless network 221 may be, but is not limited to, a BluetoothTM network or a Wi-Fi network that is, for example, 802.11 compliant.
- communication between UMCS 211 and mobile application device 241 is accomplished directly between the two devices without utilizing an intervening wired hub.
- UMCS 211 includes a memory system 207 that includes both application memory 219 and user data memory 217.
- application memory is used in its broadest sense to mean memory allocated to include software or firmware applications. As known in the art, such software and firmware applications include instructions executable by a processor to perform one of a number of desired operations.
- user data memory is used in its broadest sense to mean any memory allocated for data other than application data. Thus, for example, user data memory may store, for example, audio files, video files, documents and other types of user data.
- memory system 207 may be implemented with one or both of volatile and non- volatile memory media.
- non- volatile memory is used in its broadest sense to mean any memory that maintains its contents when power is removed from the memory.
- volatile memory is used in its broadest sense to mean any memory that does not maintain its contents when power is removed from the memory.
- UMCS 211 also includes a memory access system 215 that may be any circuitry and/or programmable controller that provides for access to and from memory system 207.
- UMCS 211 also includes a processor 203 that is capable of directing operation of UMCS 211.
- processor 203 is capable of accessing application memory 219 that includes instructions executable by processor 203 to receive a user data set via wireless distribution interface 213; store the user data set to memory system 207; receive a request initiated through a remote user interface to provide the user data set to a recipient device; and provide the user data set to the recipient device via the wireless interface.
- application memory 219 includes instructions executable by processor 203 to receive a user data set via wireless distribution interface 213; store the user data set to memory system 207; receive a request initiated through a remote user interface to provide the user data set to a recipient device; and provide the user data set to the recipient device via the wireless interface.
- UMCS 211 further includes a wireless interface that includes a wireless distribution interface 213 and an antenna 223.
- Wireless distribution interface 213 includes all of the circuitry required to format data for transmission via a wireless protocol recognized by wireless network 221.
- wireless network 221 is a BluetoothTM network
- wireless distribution interface 213 may be any BluetoothTM interface for transferring data between UMCS 211 and wireless network 221.
- wireless distribution interface 213 may be any interface capable of transferring data between UMCS 211 and wireless network 221 using the other interface protocol.
- mobile storage system 201 may include any number of application devices (mobile application device 241 is exemplary of such application devices) that are communicably coupled to UMCS 211 via wireless interface 221.
- one or more of the aforementioned application devices may be mobile application devices, while others are wired application devices.
- the phrase "mobile application device” is used in its broadest sense to mean any electronic device capable of performing one or more functions without being wired to any other device or power source.
- a mobile application device may be, but is not limited to, a cellular telephone, a wireless headset, a personal digital assistant, a laptop computer, an MP3 player, and a mobile DVD player. Based on the disclosure provided herein, one of ordinary skill in the art will recognize a variety of mobile application devices that may be used in relation to one or more embodiments of the present inventions.
- Mobile application device 241 includes a wireless interface that comprises a wireless network interface 243 and an antenna 225.
- Wireless network interface 243 may be any wireless interface known in the art that is capable of transferring data between mobile application device 241 and another device on wireless network 221.
- Mobile application device also includes a processor 245 that controls operation of the device.
- Mobile application device 241 includes a memory system comprising a cache 247, a random access memory 249 and a non- volatile random access memory 251. Further, mobile application device 241 includes a variety of input/output services including a graphical user interface controller 261, an audio controller 263 and a USER I/O controller 265.
- Graphical user interface controller 261 supports a graphical user interface 286 that may be integrated with mobile application device 241.
- Audio controller 263 supports an audio input device such as microphone 287 and an audio output device such as speaker 288.
- User I/O controller supports a keyboard 289 and in some cases a mouse interface device, a pen interface device, or a motion sensor device as are known in the art.
- UMCS 300 in accordance with one or more embodiments of the present invention is depicted.
- UMCS 300 includes a hard disk drive 305 that is accessible to a processor 310 via a hard disk drive interface 315.
- Hard disk drive interface 315 may be any interface known in the art that allows for transferring data to and from hard disk drive 305.
- hard disk drive 305 may be any hard disk drive known in the art.
- hard disk drive interface 315 is a standard ATA interface and hard disk drive 305 is an ATA hard disk drive. It should be noted that hard disk drive 305 is representative of a variety of storage media that may be used in relation to various embodiments of the present invention.
- UMCS 300 includes multiple transmission paths 330 each coupled to processor 310 via a system bus 350. As depicted, UMCS 300 includes three distinct transmission paths each including a transmitter/receiver 332, 334, 336 electrically coupled to a respective antenna 341, 342, 343 and a local buffering memory 331, 333, 335. It should be noted that UMCS 300 may include more or fewer transmission paths depending upon the intended use and/or design of UMCS 300.
- UMCS 300 also includes a memory system comprising a flash memory 358 and a system memory 354 electrically coupled to processor 310 via system bus 310.
- Some embodiments of the present invention utilize the combination of hard disk drive 305 and flash memory 358 to limit the power consumption of UMCS 300. As considerable power is expended spinning up hard disk drive 305, larger less frequent accesses to hard disk drive offers considerable power savings for UMCS 300. Based in part on this, some embodiments of the present invention carefully tailor the size and allocation of flash memory 358 such that the access to hard disk drive 305 is limited. When such accesses to hard disk drive 305 are performed, large amounts of properly selected data are moved from hard disk drive 305 to flash memory 358.
- the data pulled from hard disk drive 305 to flash memory 358 is not necessarily contiguous. Further, in some cases, the data copied from hard disk drive 305 to flash memory 358 is dictated by the particular memory type and/or a media assemblage of a number of content objects. By segregating and operating portions of the memory system as discussed above, some embodiments of the present invention may yield some advantages in reduced shock sensitivity.
- a memory system 400 includes a hard disk drive 401 and a flash memory 403.
- a file allocation table 405 describing the schema of hard disk drive 401 is included in flash memory 403.
- File allocation table 405 may be a standard file structure table used in relation to operating a memory system. Initially, the remaining portion of flash memory 403 may be unallocated memory 407. It should be noted that in some cases file allocation table 405 may be maintained in another memory area (not shown).
- hard disk drive 401 may be any hard disk drive known in the art, or other non- volatile memory that offers a random memory access and may incur substantial power penalties for an initial memory access, followed by less substantial power consumption for subsequent memory reads/writes in the same memory access.
- Flash memory 403 may be either a flash memory as are known in the art, or another non-volatile memory that is capable of retaining its contents during a power down situation without relying on a maintenance power supply such as that typically used where a nonvolatile memory system is implemented using a DRAM and a constant power supply.
- content objects are received by the device in which memory system 400 is implemented. These content objects are files that are to be stored to hard disk drive 401.
- content object is used in its broadest sense to mean any digital representation of media.
- a content object may be a video file or an audio file.
- a data file such as a *.doc file or an application file such as a *.exe file may be considered a content object.
- menu file is used in its broadest sense to mean a context aware menu file that will know the value of the particular object and allow handling of the particular object. This updating process is shown in Fig. 4b where a content object (i.e., file 1 of type content class A 413) is stored to hard disk drive 401. In addition to storing file 1 to hard disk drive 401, a menu file 423 and a menu file 425 are updated to reflect the presence of file 1.
- Menu file 423 is designed to reflect all available content objects of all of content object class A 413 and a content object class B 415. Menu file 423 is allocated a portion 417 of flash memory 403. Menu file 425 is designed to reflect all available content objects of content object class A 413. Menu file 425 is allocated a portion 421 of flash memory 403. It should be noted that the aforementioned is merely exemplary, and that a variety of content classes may be used in accordance with different embodiments of the present invention.
- Menu file 423 and menu file 425 are tailored for use by particular types of application devices that may access the device in which memory system is implemented.
- an application device may request a menu of content objects that are available from memory system 400.
- memory system 400 provides the menu file applicable to the requesting application device.
- a user interface associated with the requesting application device then utilizes the received menu file to present a list of available content objects to a user of the application device. The user may then select one or more of the listed content objects for transfer from the memory system to either the application device including the user interface, or to another application device.
- menu files may be developed and maintained that are particular to certain types of application devices.
- one application device may include both video and audio output capabilities, while another application device may include only audio output capability.
- content class A 413 may comprised audio content objects
- content class B 415 may be comprise video content objects.
- menu file 423 may be provided as it reflects both video and audio content objects.
- menu file 425 may be provided as it reflects content objects useful to the requesting device.
- file allocation table 405 is also updated to reflect the changes. It should be noted that as content objects are removed from memory system 400 not only is file allocation table 405 updated, but file menus 423, 425, 427 are also updated to reflect the changes.
- Figs. 4e-4f depict an additional power saving approach that may be employed in relation to various embodiments of the present invention.
- a particular play list B 461 may be defined using a requested menu file displayed via a user interface of the requesting device.
- play list B 461 includes a number of content objects (file 7, file 10, file 11 and file 14) of type content class B 415.
- Each content object in play list B 461 is copied into flash memory 403.
- the uploaded content objects are accessible from flash memory 403 and hard disk drive 401 does not need to be spun up. This results in considerable power savings.
- play list B 461 is maintained due to the retention characteristics of flash memory 403.
- play list B 461 is still available.
- hard disk drive 401 does not need to be accessed.
- a flow diagram 500 shows a method in accordance with some embodiments of the present invention for updating menu files maintained in a flash memory as content objects are stored to a hard disk drive. It should be noted that while flow diagram 500 only shows the process of adding a content object to the hard disk drive, a reverse process can be applied to removing a content object from the hard disk drive.
- a content object is received by a device in which memory system 400 is implemented (block 505). This may include, for example, receiving a request to obtain the content object and to access the content object from a source device as is described in the patent application entitled “Systems and Methods for Mobile Data Storage and Acquisition" that was previously incorporated herein by reference for all purposes. Based on the disclosure provided herein, one of ordinary skill in the art will recognize a variety of mechanisms and/or approaches that may be employed in relation to various embodiments of the present invention for requesting and/or receiving content objects to be stored in memory system 400.
- menu files 423, 425, 427 reflecting the particular type of content object are updated to reflect the availability of the content object on hard disk drive 401.
- the updated menu files are then stored on flash memory 403.
- Menu files 423, 425, 427 may be created in a form that is useful to an application device without modification.
- menu files 423, 425, 427 are maintained in XML format.
- menu files 423, 425, 427 are maintained in a format that must be translated by a receiving application device before the menu file may be used to drive a user interface. Based on the disclosure provided herein, one of ordinary skill in the art will recognize a variety of formats in which the menu files may be maintained.
- a request is received from an application device asking for a listing of content objects available on hard disk drive 401 (block 520).
- the menu file appropriate for the requesting application device is accessed from flash memory 403 (block 525).
- the accessed menu file is then provided to the requesting application device (block 530).
- the requesting application device can then use the received menu file to drive a user interface that allows for selection of one or more content objects maintained on hard disk drive 401.
- the selected content object(s) are indicated to the device in which memory system 400 is implemented, and the selection information is provided to memory system 400 (block 535). It is determined if the selected content object is in flash memory 403 (block 540).
- the selected content object is in flash memory 403 (block 540)
- it is accessed from flash memory 403 (block 555) and provided to the requesting application device (block 560).
- the selected content object is only available in hard disk drive 401 (block 540)
- the content object is accessed on hard disk drive 401 (block 545) and copied to flash memory 403 (block 550).
- the content object is then provided to the requesting application device (blocks 555, 560).
- a flow diagram 600 shows a method in accordance with some embodiments of the present invention for maintaining a play list in flash memory such that accesses to hard disk drive 401 is limited.
- a play list is received from an application device that is communicably coupled to the device in which memory system 400 is implemented (block 605).
- the play list may list any number of content objects and any type of content objects.
- the play list may include both video content objects and audio content objects, or may be composed of solely video content objects or audio content objects.
- the makeup of the play list in many cases will reflect the type of content objects that are useful to the application device receiving the content objects.
- One of the content objects from the received play list is selected (block 610), and it is determined if the selected content object is already in flash memory 403 (block 615). Where the selected content object is not already in flash memory 403 (block 615), the content object is retrieved from hard disk drive 401 and copied to flash memory 403 (block 620). It is then determined if there are more content objects in the received play list (block 630). Where there is another content object in the play list (block 630), the next content object from the play list is selected (block 635) and the processes of blocks 615 and 620 are repeated for the next content object.
- the play list may then be supplied one content object at a time from memory system 400 to an identified application device (block 640). As stated above, in many instances the same play list(s) will be used over and over. Thus, by moving the content objects of the play list to flash memory 403, hard disk drive 401 does not need to be spun up in order to enjoy full operation of the device in which memory system 400 is implemented. This results in considerable power savings where the power required to operate hard disk drive 401 is more than that to access information from flash memory 403.
- play list(s) are maintained during the power off situation. Where either the power off switch is not selected (block 650) or the power is turned back on (block 660), the play list continues to be provided one or more content objects at a time. By maintaining the play list even in a power down condition, substantial power savings may be achieved as hard disk drive 401 does not need to be spun up on power up to provide the play list.
- the present invention provides novel systems, devices, methods and arrangements for power management in relation to device including a non- volatile storage component. While detailed descriptions of one or more embodiments of the invention have been given above, various alternatives, modifications, and equivalents will be apparent to those skilled in the art without varying from the spirit of the invention. Therefore, the above description should not be taken as limiting the scope of the invention, which is defined by the appended claims.
Abstract
Description
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07798984A EP2041662A4 (en) | 2006-07-05 | 2007-06-25 | Systems and methods for power management in relation to a wireless storage device |
JP2009518484A JP2009543217A (en) | 2006-07-05 | 2007-06-25 | System and method for power management for wireless storage devices |
US12/280,783 US20090193178A1 (en) | 2006-07-05 | 2007-07-25 | Systems and methods for power management in relation to a wireless storage device |
Applications Claiming Priority (6)
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US80661006P | 2006-07-05 | 2006-07-05 | |
US60/806,610 | 2006-07-05 | ||
US82900706P | 2006-10-11 | 2006-10-11 | |
US60/829,007 | 2006-10-11 | ||
US86945306P | 2006-12-11 | 2006-12-11 | |
US60/869,453 | 2006-12-11 |
Publications (2)
Publication Number | Publication Date |
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WO2008005731A2 true WO2008005731A2 (en) | 2008-01-10 |
WO2008005731A3 WO2008005731A3 (en) | 2008-10-30 |
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PCT/US2007/072008 WO2008005734A2 (en) | 2006-07-05 | 2007-06-25 | Systems and methods for mobile data storage and acquisition |
PCT/US2007/071991 WO2008045603A1 (en) | 2006-07-05 | 2007-06-25 | Systems and methods for multiport communication distribution |
PCT/US2007/072003 WO2008005733A2 (en) | 2006-07-05 | 2007-06-25 | Systems and methods for multi-user access to a wireless storage device |
PCT/US2007/072000 WO2008005732A2 (en) | 2006-07-05 | 2007-06-25 | Systems and methods for enabling consumption of copy-protected content across multiple devices |
PCT/US2007/071989 WO2008005730A2 (en) | 2006-07-05 | 2007-06-25 | Systems and methods for implementing hands free operational environments |
PCT/US2007/071994 WO2008005731A2 (en) | 2006-07-05 | 2007-06-25 | Systems and methods for power management in relation to a wireless storage device |
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PCT/US2007/072008 WO2008005734A2 (en) | 2006-07-05 | 2007-06-25 | Systems and methods for mobile data storage and acquisition |
PCT/US2007/071991 WO2008045603A1 (en) | 2006-07-05 | 2007-06-25 | Systems and methods for multiport communication distribution |
PCT/US2007/072003 WO2008005733A2 (en) | 2006-07-05 | 2007-06-25 | Systems and methods for multi-user access to a wireless storage device |
PCT/US2007/072000 WO2008005732A2 (en) | 2006-07-05 | 2007-06-25 | Systems and methods for enabling consumption of copy-protected content across multiple devices |
PCT/US2007/071989 WO2008005730A2 (en) | 2006-07-05 | 2007-06-25 | Systems and methods for implementing hands free operational environments |
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- 2007-06-25 EP EP07812289A patent/EP2041664A1/en not_active Withdrawn
- 2007-06-25 EP EP07798990A patent/EP2041966A4/en not_active Withdrawn
- 2007-06-25 US US12/280,782 patent/US20090061775A1/en not_active Abandoned
- 2007-06-25 JP JP2009518484A patent/JP2009543217A/en active Pending
- 2007-06-25 US US12/280,787 patent/US8301195B2/en active Active
- 2007-06-25 KR KR1020097002409A patent/KR101400906B1/en not_active IP Right Cessation
- 2007-06-25 US US12/280,779 patent/US20090055408A1/en not_active Abandoned
- 2007-06-25 KR KR1020097002422A patent/KR20090033380A/en not_active Application Discontinuation
- 2007-06-25 KR KR1020097002385A patent/KR20090031761A/en not_active Application Discontinuation
- 2007-06-25 EP EP07798997A patent/EP2041665A4/en not_active Withdrawn
- 2007-06-25 JP JP2009518486A patent/JP4949471B2/en not_active Expired - Fee Related
- 2007-06-25 EP EP07798993A patent/EP2041683A4/en not_active Withdrawn
- 2007-06-25 WO PCT/US2007/072008 patent/WO2008005734A2/en active Application Filing
- 2007-06-25 WO PCT/US2007/071991 patent/WO2008045603A1/en active Application Filing
- 2007-06-25 WO PCT/US2007/072003 patent/WO2008005733A2/en active Application Filing
- 2007-06-25 WO PCT/US2007/072000 patent/WO2008005732A2/en active Application Filing
- 2007-06-25 JP JP2009518482A patent/JP2009543467A/en active Pending
- 2007-06-25 US US12/280,744 patent/US20100203830A1/en not_active Abandoned
- 2007-06-25 JP JP2009518488A patent/JP5220740B2/en not_active Expired - Fee Related
- 2007-06-25 KR KR1020097002421A patent/KR20090040317A/en not_active Application Discontinuation
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- 2007-06-25 JP JP2009518483A patent/JP2009543468A/en not_active Abandoned
- 2007-06-25 WO PCT/US2007/071989 patent/WO2008005730A2/en active Application Filing
- 2007-06-25 EP EP07798982A patent/EP2041925A2/en not_active Withdrawn
- 2007-06-25 US US12/280,784 patent/US20100202610A1/en not_active Abandoned
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- 2007-06-25 KR KR1020097002382A patent/KR20090028810A/en not_active Application Discontinuation
- 2007-06-25 WO PCT/US2007/071994 patent/WO2008005731A2/en active Application Filing
- 2007-07-25 US US12/280,783 patent/US20090193178A1/en not_active Abandoned
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