Tag Archives: Optical

Cleaning agent for marine optical instrument window

Application Number: 00117346Application Date: 2000.08.22Publication Number: 1339580Publication Date: 2002.03.13Priority Information: International: C11D7/28Applicant(s) Name: Nanhai Oceanology Inst., Chinese Academy of SciencesAddress: Inventor(s) Name: Zhang Sui;Cao Wenxi;Ke TiancunPatent Agency Code: 44001Patent Agent: yu bingheAbstract The cleaning agent for marine optical instrument window consists of trichloro trifluoro ethane 60-70 wt%, ethyl acetate 15-25 wt% and n-butanol 10-20 wt%.… Read More »

Ring optical fiber Q-switching laser

Application Number: 00119025Application Date: 2000.10.12Publication Number: 1349291Publication Date: 2002.05.15Priority Information: International: H01S3/067;H01S3/10Applicant(s) Name: China Science &. Technology Univ.Address: Inventor(s) Name: Xu Lixin;Ming Hai;Xie JianpingPatent Agency Code: 34103Patent Agent: wang yongAbstract The invention relates to a full fibre ring type laser composed of semiconductor laser, active fiber, wave interleaver, polarization controller, fiber isolator and adjusting unit.… Read More »

Speed-doubling optical head position regulating method

Application Number: 00121223Application Date: 2000.08.07Publication Number: 1337784Publication Date: 2002.02.27Priority Information: International: G11B7/09;H03L7/099Applicant(s) Name: Jianxing Electronic Science & Technology Co., Ltd.Address: Inventor(s) Name: Fu XiangyiPatent Agency Code: 11127Patent Agent: li qiangAbstract The optical head position velocity multiplication regulation method is characterized by that after the D/A conversion value of the estimated optical head head position velocity… Read More »

Optical filter method and mechanism for optical scanner

Application Number: 00123509Application Date: 2000.08.15Publication Number: 1338622Publication Date: 2002.03.06Priority Information: International: G01J3/02;G01J3/06;G01J3/10;G01N21/88Applicant(s) Name: Lijie Computer Co LtdAddress: Inventor(s) Name: Fang BohuaPatent Agency Code: 11127Patent Agent: li qiangAbstract An optical filter method and mechanism for optical scanner features that a filter structure consisting of combined filter and reciprocating moving unit is used in the light path… Read More »

Object lens for optical pick-up and optical pick-up device

Application Number: 00126445Application Date: 2000.09.01Publication Number: 1286407Publication Date: 2001.03.07Priority Information: 2000/3/6 JP 060843/2000; 1999/9/1 JP 247294/1999International: G02B3/02;G11B7/12Applicant(s) Name: Konica Corp.Address: Inventor(s) Name: Ota Kohei;Kimura AkiraPatent Agency Code: 11038Patent Agent: feng puAbstract An objective lens for use in an optical pickup apparatus to record or reproduce information in an optical information recording medium, comprises an aspheric… Read More »

Anticopy optical disk of software

Application Number: 00113477Application Date: 2000.06.05Publication Number: 1274148Publication Date: 2000.11.22Priority Information: International: G11B7/007;G11B20/12Applicant(s) Name: Zeng HaibinAddress: Inventor(s) Name: Zeng HaibinPatent Agency Code: 43113Patent Agent: xia jingAbstract An anticopy optical disk of software for computer features that a certain quantity of unusable data information is recorded in an area in the data record region and then destroyed… Read More »

Thick wall optical cable shell having non-circular cavity cross section

Application Number: 00118133Application Date: 2000.06.09Publication Number: 1278071Publication Date: 2000.12.27Priority Information: 1999/6/18 US 09/335,911International: G02B6/44Applicant(s) Name: AlcatelAddress: Inventor(s) Name: John Boyet Stevens;Peter Ellison;Jephray BachPatent Agency Code: 11038Patent Agent: zheng zhongjunAbstract An optical fiber cable including a cable jacket having a longitudinally extending inner cavity with a non-circular cross section, and at least two longitudinally extending strength… Read More »

Process and equipment for preparing chloromethyl trimethylsilane by gas-phase optical chlorinating reaction

Application Number: 00119457Application Date: 2000.07.14Publication Number: 1283625Publication Date: 2001.02.14Priority Information: International: B01J19/12;C07F7/10Applicant(s) Name: Shanghai Inst. of Organic Chemistry, Chinese Academy of SciencesAddress: Inventor(s) Name: Jiang Biao;Xie Deliang;Zhang FangjiangPatent Agency Code: 31002Patent Agent: wu shenzhongAbstract A process for equipment for preparing chloromethyl trimethylsilane by gas-phase optical chlorinating reaction features that mixed gas of tetramethyl silane and… Read More »

Orthogonal integrated light switch array of optical waveguide

Application Number: 00121842Application Date: 2000.07.26Publication Number: 1280304Publication Date: 2001.01.17Priority Information: International: G02B6/35Applicant(s) Name: Semiconductor Photoelectronic Technology and System Inst., Zhejiang Univ.Address: Inventor(s) Name: Wang Minghua;Jiang Xiaoqing;Yin RuiPatent Agency Code: 33203Patent Agent: cui yongcaiAbstract The orthogonal integrated optical switch array has two groups of optical waveguides at the angle of plus and minus 10 deg. At… Read More »

Method and device for monitoring signal transmission in optical transmission system

Application Number: 00124285Application Date: 2000.08.23Publication Number: 1338620Publication Date: 2002.03.06Priority Information: International: G01J1/10;H04B10/08Applicant(s) Name: Jieyao Science and Technology Co LtdAddress: Inventor(s) Name: Wang Qilu;Zhang Xilin;Wu ShunzhengPatent Agency Code: 11038Patent Agent: ma gaoAbstract A method and device for monitoring the signal transmission in optical transmission system to transmit at least one communication signal is disclosed. A splitting… Read More »

Wide-stopband low-loss long-period optical fibre raster

Application Number: 00115738Application Date: 2000.05.17Publication Number: 1270321Publication Date: 2000.10.18Priority Information: International: G02B6/124Applicant(s) Name: Shanghai Jiaotong Univ.Address: Inventor(s) Name: Ye Ailun;Li XinwanPatent Agency Code: 31201Patent Agent: mao cuiyingAbstract A wide-stop band low-loss long-period optical fibre raster is prepared by optical fibre slotting-heating technology, which includes such steps as closely arranging and fixing the optical fibres on… Read More »

Optical module and its manufacturing method, semiconductor device and optical transmission device

Application Number: 00118622Application Date: 2000.06.16Publication Number: 1293375Publication Date: 2001.05.02Priority Information: 2000/4/18 JP 116438/00; 1999/6/16 JP 169659/99International: G02B6/42Applicant(s) Name: Seiko Epson Corp.Address: Inventor(s) Name: Ichii Kazutoku;Umetsu Ichisei;Murata AkihiroPatent Agency Code: 72001Patent Agent: yang kaiAbstract An optical module comprising: an optical fiber; an optical element having an optical section and with a fixed position relative to the… Read More »

Apparatus and method for control of track skip rotating of optical disc driver

Application Number: 00120220Application Date: 2000.07.13Publication Number: 1286470Publication Date: 2001.03.07Priority Information: 1999/8/28 KR 36114/99International: G11B21/08;G11B21/10Applicant(s) Name: Samsung Electronics Co., Ltd.Address: Inventor(s) Name: Yun Hyong-DukPatent Agency Code: 11105Patent Agent: ma yingAbstract There is provided a track jump control device and method for an optical disc drive. A track jump control device comprises an optical spot position command… Read More »

Method and device used for centring lens in optical telescopic sleeve

Application Number: 00122636Application Date: 2000.08.11Publication Number: 1293376Publication Date: 2001.05.02Priority Information: 1999/10/13 US 09/418213International: G02B7/02;G02B7/00Applicant(s) Name: Hewlett Packarad Co.Address: Inventor(s) Name: D.D. Boen;E.a. MickshPatent Agency Code: 72001Patent Agent: zheng jianhuiAbstract A method and apparatus for centering an optical component, such as a lens element, within an optical bore sleeve. The optical component has an outer perimeter,… Read More »

Miniature rotary type 1xN optical switch

Application Number: 00125380Application Date: 2000.09.26Publication Number: 1285522Publication Date: 2001.02.28Priority Information: International: G02B6/35Applicant(s) Name: Shanghai Jiaotong Univ.Address: Inventor(s) Name: Zhang Chen;Zhao Xiaolin;Yang ChunshengPatent Agency Code: 31201Patent Agent: wang tilinAbstract The miniature rotary type 1XN optical switch is mainly formed from polygonal prism, rotating portion, electromagnetic driving portion, base board, bearing, rotating shaft and external shell, the… Read More »

Optical recording media

Application Number: 00117604Application Date: 2000.04.08Publication Number: 1270387Publication Date: 2000.10.18Priority Information: 1999/4/8 JP 101466/99International: G11B7/007Applicant(s) Name: Nippon Pioneer Co., Ltd.Address: Inventor(s) Name: Takishita Shungen;Kato Masahiro;Muramatsu EijiPatent Agency Code: 72001Patent Agent: chen jingjunAbstract An optical recording medium which can produce a read signal free from waveform distortion during reproduction of information. The optical recording medium comprises groove… Read More »

Reference wave length providing equipment of performance monitor in wave division complex optical transmitting system

Application Number: 00119221Application Date: 2000.05.12Publication Number: 1274216Publication Date: 2000.11.22Priority Information: 1999/5/12 KR 17015/99International: H04B10/08;H04J14/02Applicant(s) Name: Samsung Electronics Co., Ltd.Address: Inventor(s) Name: Kim Byong-HoonPatent Agency Code: 72001Patent Agent: chen jingjunAbstract A device for providing a reference wavelength which is used in monitoring the performance of a WDM optical transmission system which includes a light emitting diode… Read More »

Optical head track seeking method for CD drive

Application Number: 00121224Application Date: 2000.08.07Publication Number: 1337678Publication Date: 2002.02.27Priority Information: International: G11B7/09;G11B21/10Applicant(s) Name: Jianxing Electronic Science &. Technology Co., Ltd.Address: Inventor(s) Name: Cai YaozhouPatent Agency Code: 11127Patent Agent: li qiangAbstract The present invention relates to a track-searching method for optical head of optical drive, and is characterized by that in the operation of searching track… Read More »

Device for regulating parallelism between emitting and receiving optical axes of multi-wavelength laser radar

Application Number: 00123647Application Date: 2000.08.24Publication Number: 1340699Publication Date: 2002.03.20Priority Information: International: G01S7/48;G01S17/88;G02B7/198Applicant(s) Name: Inst of Atmospheric Physics, Chinese Academy of SciencesAddress: Inventor(s) Name: Zheng Siping;Wang Wenming;Wang ShufangPatent Agency Code: 11021Patent Agent: jiang lilouAbstract A regulator for regulating the parallelism between emitting and receiving optical axes of multi-wavelength laser radar for probing ozone in atmosphere and… Read More »

Optical system

Application Number: 00126961Application Date: 2000.06.30Publication Number: 1281992Publication Date: 2001.01.31Priority Information: 1999/6/30 GB 9915234.0; 1999/8/10 GB 9918723.9International: G02B6/34;H04J14/02Applicant(s) Name: Marconi Communication Co., Ltd.Address: Inventor(s) Name: R.C. GoodfroPatent Agency Code: 72001Patent Agent: li efeiAbstract A system for individually controlling the power levels of a plurality of wavelength division multiplexed (WDM) optical signals in a single optical guide… Read More »

Thermal polarizing optical fiber device with electroplated microstrip electrode

Application Number: 00113687Application Date: 2000.09.14Publication Number: 1289061Publication Date: 2001.03.28Priority Information: International: G02F1/01Applicant(s) Name: National Defence Science &. Technology Univ., PLAAddress: Inventor(s) Name: Chen Zhe;Hu Yongming;Meng ZhouPatent Agency Code: 43202Patent Agent: sheng xiangraoAbstract The present invention relates to a polarized optical-fibre device prepared by adopting thermal polarization process, and said polarized optical-fibre device is formed from… Read More »

Device and method for optical disk recording and/or broadcasting and follow-up control method thereof

Application Number: 00118174Application Date: 2000.04.24Publication Number: 1284711Publication Date: 2001.02.21Priority Information: 1999/4/23 JP 116426/99International: G11B7/007;G11B7/09;G11B21/10Applicant(s) Name: Sony Co., Ltd.Address: Inventor(s) Name: Tada ShingiPatent Agency Code: 31100Patent Agent: li jialinAbstract Disclosed is an apparatus for recording and playback data into and from an optical disc having: first tracks including a wobbled track and a non-wobbled track each… Read More »

Optical path converting method and device with piezoelectric bicrystal vibrator

Application Number: 00119476Application Date: 2000.07.19Publication Number: 1289191Publication Date: 2001.03.28Priority Information: International: H04B10/12Applicant(s) Name: Lianneng Science & Technology Co., Ltd. ShanghaiAddress: Inventor(s) Name: Chen Weicheng;Li Yi;LI Cheng'enPatent Agency Code: 31208Patent Agent: huang guijuanAbstract The present invention relates to optical fibre communication, including: utilizing opical circuit switching equipment, including optical fibre switch, switchable optical circuit gyroscope and… Read More »

Optical receiving device integrated with circuit and manufacturing method thereof

Application Number: 00121955Application Date: 2000.07.27Publication Number: 1282109Publication Date: 2001.01.31Priority Information: 1999/7/27 JP 212914/99International: H01L21/82;H01L27/14;H01L27/146;H01L31/10Applicant(s) Name: Sharp K.K.Address: Inventor(s) Name: Takinomato Takahiro;Fukunaga Naoki;Oku YasuyuPatent Agency Code: 11105Patent Agent: yang wuAbstract A circuit-incorporating light receiving device includes an integrated circuit and a photodiode. The integrated circuit and the photodiode are provided on a single semiconductor substrate. The… Read More »

Fast repairing method of optical disk

Application Number: 00124390Application Date: 2000.09.12Publication Number: 1342982Publication Date: 2002.04.03Priority Information: International: G11B23/50Applicant(s) Name: Cai QuanAddress: Inventor(s) Name: Cai QuanPatent Agency Code: 00000Patent Agent: Abstract A fast repair method for optical disk includes such steps as grinding the scratched surface of opticak disk with abrading agent and wool felt, sticking optically reflective paper or powder, and… Read More »

Multi-unit fused optical fibre coupler, its making method and equipment for implementing the method

Application Number: 00115742Application Date: 2000.05.18Publication Number: 1270322Publication Date: 2000.10.18Priority Information: International: G02B6/255Applicant(s) Name: Lin LengAddress: Inventor(s) Name: Lin Leng;Lin XingePatent Agency Code: 31213Patent Agent: zhong chengxuanAbstract A multi-unit fused optical fibre coupler features that two or more groups of optical fibres to form coupling areas are fixed onto a substrate with low expansion coefficient, than… Read More »

Optical system for laser leat treatment and laser heat treatment apparatus

Application Number: 00118744Application Date: 2000.06.23Publication Number: 1287381Publication Date: 2001.03.14Priority Information: 1999/6/25 JP 179233/1999International: B23K26/06;C30B33/02;H01L21/324Applicant(s) Name: Mitsubishi Electric Corp.Address: Inventor(s) Name: Okamoto Tatsuitsuki;Ogawa Tetsuya;Kota KeisukePatent Agency Code: 11038Patent Agent: du rixinAbstract An optical system that controls laser beam spot profile for forming a high performance thin film by a laser heat treatment process is provided. In… Read More »

Optical data transmission device

Application Number: 00120275Application Date: 2000.07.19Publication Number: 1334652Publication Date: 2002.02.06Priority Information: International: H04B10/00Applicant(s) Name: Kitayo Electric Co., Ltd.Address: Inventor(s) Name: Shunto Ayao;Maeshima Yoji;Shimaji NaohiroPatent Agency Code: 11105Patent Agent: huang minAbstract A transport system with linking device can transfer optical data, in the meantime get the moved matter at the place of multi working equipment by unpiloted… Read More »

Efficient production method of optical fiber coupler

Application Number: 00122640Application Date: 2000.08.10Publication Number: 1338645Publication Date: 2002.03.06Priority Information: International: G02B6/255Applicant(s) Name: Taiyan Photoelectric Science and Technology Co LtdAddress: Inventor(s) Name: Qiu Hefeng;Lin Shiqiang;Zhang ZhiweiPatent Agency Code: 11105Patent Agent: li xiaoshuAbstract An efficient process for preparing optical fibre coupler features use of multiple fixture benches or the combination of fixture benches with rotary benches,… Read More »

Variable-angle optical eyepiece unit and its regulation method

Application Number: 00125751Application Date: 2000.10.24Publication Number: 1350189Publication Date: 2002.05.22Priority Information: International: G02B7/02;G02B7/18Applicant(s) Name: Jiang JinxiAddress: Inventor(s) Name: Jiang JinxiPatent Agency Code: 31211Patent Agent: ding jitieAbstract The present invention relates to a kind of optical eyepiece device capable of turning at arbitrary angle and its regulation method. It is mainly characterized by that between objective group… Read More »