Tag Archives: illegal

Method and appts. for preventing illegal copying digit, data

Application Number  00128648 Application Date  2000.09.19 Publication Number  1343932 Publication Date  2002.04.10 Priority Information     International Classification  G06F12/14;G06F12/16   Applicant(s) Name  AGC Science & Tech Inc   Address     Inventor(s) Name  You Yuee;Chen Chongguang   Patent Agency Code  11105 Patent Agent  chen chen AbstractA method and device for preventing illegal copy of digital… Read More »

Recording apparatus capable of preventing illegal copying, recording method and recording medium

Application Number: 00126061Application Date: 2000.08.29Publication Number: 1286468Publication Date: 2001.03.07Priority Information: 1999/8/30 JP 243457/99International: G11B19/02Applicant(s) Name: Sony Corp.Address: Inventor(s) Name: Hirai AtsushiPatent Agency Code: 11105Patent Agent: huang xiaolinAbstract A digital watermark detection circuit detects a digital watermark inserted in an input signal. When the digital watermark detection circuit detects a digital watermark indicating the prohibition of… Read More »

Electric power metering method and device able to detect and prevent illegal use of electric energy

Application Number: 00103985Application Date: 2000.03.30Publication Number: 1315660Publication Date: 2001.10.03Priority Information: International: G01R11/24Applicant(s) Name: Zhang PeixinAddress: Inventor(s) Name: Zhang PeixinPatent Agency Code: 11219Patent Agent: shou ningAbstract An electric power metering device able to fine illegal use of electric energy is composed of microprocessor, voltage signal detector circuit, current signal detector circuit, relay and its driver ciruit,… Read More »