The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 10, 2010
Filed:
Feb. 19, 2002
Dong-hwan Shin, Seoul, KR;
Jong-weon Kim, Seoul, KR;
Seung-won Shin, Seoul, KR;
Han-ho Lee, Seoul, KR;
Dong-Hwan Shin, Seoul, KR;
Jong-Weon Kim, Seoul, KR;
Seung-Won Shin, Seoul, KR;
Han-Ho Lee, Seoul, KR;
Markany Inc., Seoul, KR;
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.