公开(公告)号：WO0013125A3

公开(公告)日：2002-01-03

申请号：PCT/US9919317

申请日：1999-08-25

Applicant: SMARTDISK CORP

Inventor： FISCHER ADDISON M ,  PROTHEROE ROBERT L

IPC: G11B25/04 ,  G11B23/04 ,  G11B31/00

CPC classification number: G11B25/046

Abstract: A device of the same general physical size and shape as a standard audio cassette tape, but which accepts digital information from any of a variety of sources - including for example: Internet transmission, a digital computer, or memory cards (especially digital memory cards) - and plays this digital information through any, for example, standard audio tape cassette player. The device operates by converting the digital representation of the sound into magnetic signals which are presented to the read/write head of the cassette player equipment. The device allows the user of the cassette player to regulate the audio playback using conventional equipment controls such as: START, STOP, REWIND, FAST REWIND, FORWARD, FAST FORWARD, etc. In one exemplary implementation, the device has the same general physical dimensions of a standard audio cassette; at least one digital processor; and a slot into which electronic media such as, for example, memory cards, smart cards having a processor and a memory embodied thereon and other memory media may be inserted. The device also includes user input control buttons, a display and a headphone jack all mounted in the case of the cassette device such that they are substantially flush with the case and will not interfere with the use in a cassette player. The user can use the cassette device in a cassette player and also use the cassette device as a portable and free standing, digital audio player.

Abstract translation: 与标准音频盒式磁带相同的一般物理尺寸和形状的装置，但是它接受来自各种来源的数字信息，包括例如：互联网传输，数字计算机或存储卡（尤其是数字存储卡） 并且通过任何例如标准的音频磁带录像机播放数字信息。 该装置通过将声音的数字表示转换成呈现给盒式录音机设备的读/写头的磁信号来操作。 该设备允许盒式磁带播放器的用户使用常规设备控制来调节音频播放，例如：START，STOP，REWIND，FAST REWIND，FORWARD，FAST FORWARD等。在一个示例性实现中，设备具有相同的一般物理尺寸 的标准录音带; 至少一个数字处理器; 以及插槽，其中可以插入电子介质，例如存储卡，具有处理器的智能卡和其上体现的存储器和其他存储介质。 该设备还包括用户输入控制按钮，显示器和耳机插孔，其全部安装在盒式磁带机的情况下，使得它们与壳体基本齐平，并且不会干扰盒式磁带机中的使用。 用户可以在盒式录放机中使用盒式磁带设备，并且还可以使用盒式磁带设备作为便携式和独立的数字音频播放器。

公开(公告)号：WO0013181A3

公开(公告)日：2002-10-17

申请号：PCT/US9919318

申请日：1999-08-25

Applicant: SMARTDISK CORP

Inventor： FISCHER ADDISON M ,  PROTHEROE ROBERT L

IPC: G11B25/04 ,  G11B23/04 ,  G11B31/00

CPC classification number: G11B25/046

Abstract: A device of the same general physical size and shape as a standard audio cassette tape, but which accepts digital information from any of a variety of sources - including for example: Internet transmission, a digital computer, or memory cards (especially digital memory cards) - and plays this digital information through any, for example, standard audio tape cassette player. The device operates by converting the digital representation of the sound into magnetic signals which are presented to the read/write head of the cassette player equipment. The device allows the user of the cassette player to regulate the audio playback using conventional equipment controls such as: START, STOP, REWIND, FAST REWIND, FORWARD, FAST FOWARD, etc. The device has the same general physical dimensions of a standard audio cassette; at least one digital processor; and a slot into which electronic media such as, for example, memory cards, smart cards having a processor and a memory embodied thereon and other memory media may be inserted. Numerous sensors detect changes in at least one of the tape equipment mechanisms in the audio cassette emulator. Various cryptographic techniques are described for protecting the unauthorized distribution of audio information.

Abstract translation: 与标准音频盒式磁带相同的一般物理尺寸和形状的装置，但是它接受来自各种来源的数字信息，包括例如：互联网传输，数字计算机或存储卡（尤其是数字存储卡） 并且通过任何例如标准的音频磁带录像机播放数字信息。 该装置通过将声音的数字表示转换成呈现给盒式录音机设备的读/写头的磁信号来操作。 该设备允许盒式磁带播放机的用户使用常规设备控制来调节音频播放，例如：START，STOP，REWIND，FAST REWIND，FORWARD，FAST FOWARD等。该设备具有与标准音频盒相同的一般物理尺寸 ; 至少一个数字处理器; 以及插槽，其中可以插入电子介质，例如存储卡，具有处理器的智能卡和其上体现的存储器和其他存储介质。 许多传感器检测音频盒式磁带仿真器中的至少一个磁带设备机构的变化。 描述了用于保护音频信息的未授权分配的各种加密技术。