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Input/output device and input/output management system

  • US 8,320,730 B2
  • Filed: 06/10/2004
  • Issued: 11/27/2012
  • Est. Priority Date: 06/13/2003
  • Status: Expired due to Fees
First Claim
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1. An input/output device connected to a video camera and to a storage device, the input/output device controls only audio/video data input/output operations from or to the storage device having a non-linear accessible recording medium, the input/output device comprising:

  • input/output control unit outputting of externally supplied audio/video data from the video camera to the storage device, and inputting of audio/video data from the storage device; and

    record information management unit generating, storing and managing, through a file system provided therein, record management information related to the audio/video data acquired at the time when the audio/video data is recorded to the storage device by the input/output control unit, the file system is provided in the record information management unit independent of the storage device,wherein the storage device only stores the audio/video data, andwherein the input/output control unit accesses the file system of the record information management unit to acquire the record management information relating to the audio/video data to be reproduced and input/outputs the audio/video data from the storage device on the basis of the record management information managed by the file system of the record information management unit, a transfer bit rate between the storage device and the input/output control unit is constant since only the audio/video data is input/output between the storage device and the input/output control unit.

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