Tag Archives: Two-purpose

Two-purpose optical disk for both VCD player and computer multimedia

Application Number  00129112 Application Date  2000.09.19 Publication Number  1343974 Publication Date  2002.04.10 Priority Information     International Classification  G11B7/007;G11B20/12   Applicant(s) Name  Liang Qicheng   Address     Inventor(s) Name  Liang Qicheng   Patent Agency Code  66001 Patent Agent  chen hui AbstractA multimedia optical disk used as both CD-ROM and VCD features that the function… Read More »

Two-purpose pantoscope

Application Number: 00113858Application Date: 2000.06.29Publication Number: 1300951Publication Date: 2001.06.27Priority Information: International: G02B23/02;G02B25/04Applicant(s) Name: Lu ChunxiangAddress: Inventor(s) Name: Lu Chunxiang;Chen Eyun;Sun LiPatent Agency Code: 61110Patent Agent: yu shenAbstract A two-purpose pantoscope has left and right lens cones, each of which is composed of eye lens set, prism set and objeet lens set. Said object lens set… Read More »

Two-purpose bicycle brake-sped varying mechanism

Application Number: 00119567Application Date: 2000.08.04Publication Number: 1337341Publication Date: 2002.02.27Priority Information: International: B62L5/00;B62M11/18Applicant(s) Name: Liu RenchiAddress: Inventor(s) Name: Liu RenchiPatent Agency Code: 31002Patent Agent: zhang zechunAbstract The dual-purpose internal brake and internal speed-changing mechanism for bicycle are characterized by that its internal brake possesses a roller standard and several rollers and several brake blocks, and the… Read More »