# US 2010/0166391 A1 · Information storage medium, information playback apparatus, and information playback method

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- Number: US 2010/0166391 A1
- Document ID: US20100166391A1
- Status: Published application
- Kind: A1
- Application number: 12/720,271
- Filed: 2010-03-09
- Published: 2010-07-01
- Earliest claimed: 2003-03-10
- Inventors: Yasufumi TSUMAGARI; Hideki Mimura
- Web page: https://patentgrep.com/patent/US20100166391A1

## CPC

- H04N 9/8205: {involving the multiplexing of an additional signal and the colour video signal}
- G11B 27/105: {of operating discs}
- G11B 27/11: by using information not detectable on the record carrier
- G11B 2020/1062: {Data buffering arrangements, e.g. recording or playback buffers}
- G11B 2220/2562: DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
- H04N 5/85: on discs or drums
- H04N 9/8042: {involving data reduction}
- H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION
- G11B: INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER (recording measured values in a way that does not require playback through a transducer G01D9/00; recording or playback apparatus using mechanically marked tape, e.g. punched paper tape, or using unit records, e.g. punched or magnetically marked cards G06K; transferring data from one type of record carrier to another G06K1/18; circuits for coupling output of reproducer to radio receiver H04B1/20; gramophone pick-ups or like acoustic electromechanical transducers or circuits therefor H04R)

## Abstract

An apparatus includes a playback engine which acquires video/audio contents from a disc, an ENAV engine+Internet connection unit which acquire ENAV contents from the disc or acquire another ENAV contents from a server via a communication line, and a buffer manager. This buffer manager generates timing information upon completion of acquisition of the ENAV contents.

## Claims

### Claim 1

A player apparatus configured to playback or reproduce contents complying with a predetermined standard, the contents including AV contents and navigation contents that can be played back or reproduced in association with playback of the AV contents, the player apparatus comprising:
a playback module configured to playback the AV contents; and
a navigation module configured to reproduce the navigation contents, the navigation module comprising
a buffer module configured to store or to load one or more files of the navigation contents according to loading information including name information of the navigation contents.

### Claim 2 (depends on 1)

The apparatus of claim 1, wherein the player apparatus is configured to perform a seamless playback of the AV contents.

### Claim 3 (depends on 1)

The apparatus of claim 1, wherein the navigation contents further include information relating to language.

### Claim 4 (depends on 1)

The apparatus of claim 1, further comprising:
a communication module configured to obtain the contents from a network.

### Claim 5

A method of playing back contents complying with a predetermined standard, the contents including AV contents and navigation contents that can be played back or reproduced in association with playback of the AV contents, the method comprising:
reproducing the navigation contents, using a buffer module configured to store or to load one or more files of the navigation contents, according to loading information including name information of the navigation contents; and
playing back the AV contents.

### Claim 6 (depends on 1)

An information storage medium configured to be used with the apparatus of claim 1, the medium comprising areas for storing the navigation contents and the AV contents.