Tag Archives: multi-beam

High-precision multi-beam amplitude-comparison direction finding system

Application Number: 00120562Application Date: 2000.11.09Publication Number: 1299062Publication Date: 2001.06.13Priority Information: International: G01S3/04Applicant(s) Name: Fu XianrongAddress: Inventor(s) Name: Fu XianrongPatent Agency Code: 51126Patent Agent: chen eshiAbstract A high-accuracy multibeam specific-amplitude direction finding system has an increased lobe digital valve treatment unit except a receiving antenna unit, a specific amplitude calculation unit, and a central computer to… Read More »

Dish antenna with multi-beam reflection surface and its forming method

Application Number: 00121039Application Date: 2000.07.17Publication Number: 1334618Publication Date: 2002.02.06Priority Information: International: H01Q15/16;H01Q19/17;H01Q25/00Applicant(s) Name: Qiqi Science and Technology Co., LtdAddress: Inventor(s) Name: Gao Jianrong;Huang ZongfangPatent Agency Code: 72002Patent Agent: li shumengAbstract The invention discloses a multi-beam antenna with dished reflecting surface and its molding method. The dished antenna includes a reflecting surface molded by using at… Read More »

Multi-beam wave-synthesis ware-partitioning apparatus for cladded pumping optical fiber amplifier and laser

Application Number: 00125366Application Date: 2000.09.22Publication Number: 1285663Publication Date: 2001.02.28Priority Information: International: H04B10/02;H04B10/12Applicant(s) Name: Shanghai Inst. of Optics and Fine Machinery, Chinese Academy of SciencesAddress: Inventor(s) Name: Fang Zujie;Chen Gaoting;Cai HaiwenPatent Agency Code: 31002Patent Agent: li lanyangAbstract The present invention relates to a multi-beam composite wave wave-separator for cladded pumping optic fibre amplifier and laser, and… Read More »

Acoustooptical Bragg diffraction type multi-beam optical R/W head

Application Number: 00108097Application Date: 2000.06.14Publication Number: 1328324Publication Date: 2001.12.26Priority Information: International: G02B27/42;G11B7/12;G11B7/135Applicant(s) Name: Industry Technology InstAddress: Inventor(s) Name: Zhu Liangqian;Zhang ZhijiPatent Agency Code: 72003Patent Agent: li qiangAbstract An acoustooptical bragg diffraction type multi-beam optical R/W head features that an ccoustooptical Bragg diffraction element is arranged between the collimator and splitter of traditional optical R/W head… Read More »