Invention Grant
US07773751B2 Apparatus and method for controlling the copy and play of a digital audio contents
有权
用于控制数字音频内容的复制和播放的装置和方法
- Patent Title: Apparatus and method for controlling the copy and play of a digital audio contents
- Patent Title (中): 用于控制数字音频内容的复制和播放的装置和方法
-
Application No.: US10240581Application Date: 2002-02-19
-
Publication No.: US07773751B2Publication Date: 2010-08-10
- Inventor: Dong-Hwan Shin , Jong-Weon Kim , Seung-Won Shin , Han-Ho Lee
- Applicant: Dong-Hwan Shin , Jong-Weon Kim , Seung-Won Shin , Han-Ho Lee
- Applicant Address: KR Seoul
- Assignee: Markany Inc.
- Current Assignee: Markany Inc.
- Current Assignee Address: KR Seoul
- Agency: Blakely, Sokoloff, Taylor & Zafman LLP
- Priority: KR2001/8255 20010219
- International Application: PCT/KR02/00250 WO 20020219
- International Announcement: WO02/067257 WO 20020829
- Main IPC: H04N7/167
- IPC: H04N7/167 ; H04L9/00
Abstract:
The object of the present invention is providing the apparatus and method for controlling playing and copying the digital audio contents by way of embedding the control code into and extracting the control code from the digital audio contents. To achieve the object of the invention, the present invention includes control code embedding apparatus which includes timing deciding part for distributing control code, control code embedding part and digital audio signal summing part, and control code extracting apparatus which includes distribution information collecting part, control code discerning part, and decoding/instruction generating part.
Public/Granted literature
- US20030161470A1 Apparatus and method for controlling the copy and play of a digital audio contents Public/Granted day:2003-08-28
Information query
