Sony Corporation

Taiyo Yuden Co., Ltd.

Masahiro Hotori

Yoichiro Sako

Tatsuya Inokuchi

Toru Takeda

Masayuki Obata

Yuichiro Deguchi

Shuichi Ito

Takayuki Usami

Hiroshi Ogawa

Yuji Arai

Kazuhiko Fujiie

Heitaro Nakajima

Data broadcast data, which is broadcast in data broadcasts, is constructed by disposing, for example, EMD (Electric Music Distribution) links required to acquire song data as actual broadcast data, which is broadcast in actual broadcasts by a transmitting device, the actual broadcast data is transmitted, and the data broadcast data wherein the EMD links for the song data in the actual broadcasts are disposed, is transmitted periodically during the transmission of the actual broadcast data. The actual broadcast data and the data broadcast data are received by a user terminal, and the EMD links disposed in the data broadcast data are stored whenever there is an input of an operation to attach a 'bookmark'. Thus, audio data such as songs in programs broadcast can easily be acquired by radio.

Transmitting method and transmitting device, receiving method and receiving device, and transfer method and transfer system

Optical disk system with table of contents

The optical disc according to the present invention includes an unrewritable region in which the number of times of possible recording or the cumulative possible recording time duration is recorded in advance. The apparatus for recording signals on this optical disc according to the present invention reproduce the number of times of possible recording or the cumulative possible recording time duration recorded in the unrewritable region of the optical disc and inhibits the recording operation when the number of times of recording or the cumulative recording time duration exceeds the aforementioned number of times of possible recording or the cumulative possible recording time duration.

Recordable optical disc storage device with limited storage capacity,

An optical information recording medium having at least a transparent substrate and a recording layer and capable of recording an information by irradiating the recording layer with laser beams from the transparent substrate side, wherein a protective film having hygroscopic property is formed on a light incident surface of the transparent substrate so that it can be stripped therefrom.

Optical information recording medium having a protective film which can

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Kanagawa, Japan

Masahiro Hotori