Archive for February 5th, 2007

Transmission of AV/C transactions over multiple transports

Monday, February 5th, 2007

Title:  Transmission of AV/C transactions over multiple transports method and apparatus

Patent application publication number:  20070027998

Publication date:  February 1, 2007

Filing date:  September 28, 2006 (priority to February 16, 2000)

Link to PDF: 

AIPW Summary:  This application relates to transferring audio/video control (AV/C) data over a FireWire interface. The AV/C control protocol over a Function Control Protocol (FCP) via a FireWire bus is described. This invention separates the AV/C protocol from the AV/C transport, allowing the AV/C protocol to be used over multiple kinds of transports. As shown in Figure 2, but separating the AV/C protocol layer from the transport, the AV/C transport layer can act as a transfer point to different protocols, such as FCP, Serial Bus Protocol (SBP), and IP.

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Transferring stored data between a media player and an accessory

Monday, February 5th, 2007

Title:  Method and system for transferring stored data between a media player and an accessory

Patent application publication number:  20070028006

Publication date:  February 1, 2007

Filing date:  May 22, 2006 (priority to April 27, 2004)

Link to PDF: 

AIPW Summary:  This application relates to the iPod dock connector, and utilizing the connector to transfer data between an iPod (made generic in the application to a media player) and an accessory. To transfer data, a unique identifier for a file is obtained from the player or the accessory. The unique ID and the file are returned and the file is accessed.

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Hot unpluggable media storage device

Monday, February 5th, 2007

Title:  Hot unpluggable media storage device

Patent application publication number:  20070028009

Publication date:  February 1, 2007

Filing date:  October 4, 2006 (priority to July 23, 2002)

Link to PDF: 

AIPW Summary:  An existing problem with removable media storage devices is that the device could be unplugged from the host computer while a data transfer is occurring, leading to data loss and/or data corruption on the storage device. According to this invention, the storage device is “prepared” to be removable at any time, without the possibility of data loss or corruption. The device is mounted to the host computer during a synchronization process and is unmounted once synchronization is complete (paragraph 0032). A media database in both the host computer and the storage device is used to perform the synchronization.

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