Tag Archives: Optical

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 »

Optical fiber secondary cocoon PBT special material

Application Number: 00111650Application Date: 2000.02.03Publication Number: 1259678Publication Date: 2000.07.12Priority Information: International: G02B6/16Applicant(s) Name: Hu LonglongAddress: Inventor(s) Name: Hu LonglongPatent Agency Code: 33201Patent Agent: cao chaowenAbstract The present invention relates to the prodn. method of optical secondary coating PBT special material, its main characteristic is to add fluorescent whitener to general PBT resin, then proceed condensation… Read More »

Optical pick-up device and used correction lens

Application Number: 00117665Application Date: 2000.05.26Publication Number: 1275766Publication Date: 2000.12.06Priority Information: 1999/5/27 JP 147732/1999International: G11B7/135Applicant(s) Name: Konica Corp.Address: Inventor(s) Name: Saito NaoichiroPatent Agency Code: 11038Patent Agent: he tengyunAbstract In an optical pick-up apparatus includes: a light source for emitting light flux; a light converging optical system having an aperture and an objective lens and converging the… Read More »

Optical disk chip

Application Number: 00119231Application Date: 2000.03.25Publication Number: 1273416Publication Date: 2000.11.15Priority Information: 1999/3/25 KR 10272/99International: G11B7/007;G11B7/24Applicant(s) Name: Samsung Electroics Co., Ltd.Address: Inventor(s) Name: Yun Doo-Sop;Park Chang-MinPatent Agency Code: 11105Patent Agent: ma yingAbstract An optical disc substrate with deep grooves having a depth of lambda /4n to lambda /2n, where lambda is the wavelength of a laser beam… Read More »

Adjustable failure switching instrument for optical fibre network

Application Number: 00121264Application Date: 2000.08.11Publication Number: 1338874Publication Date: 2002.03.06Priority Information: International: H04B10/08;H04N7/22Applicant(s) Name: Zhaowei Optical Communication Techynology Co Ltd, BeijingAddress: Inventor(s) Name: Ma Deyuan;Li Huanping;Ma YanPatent Agency Code: 00000Patent Agent: Abstract A failure switching instrument for large optical fibre network is disclosed, which can flexibly regulated to temporarily replace the LAN in failure to ensure… Read More »

Program controllable optical gate for multi-wavelength laser radar and its control method

Application Number: 00123650Application Date: 2000.08.24Publication Number: 1340702Publication Date: 2002.03.20Priority Information: International: G01N21/17;G01N21/21;G01N21/33;G01S17/95Applicant(s) Name: Inst of Atmospheric Physics, Chinese Academy of SciencesAddress: Inventor(s) Name: Zheng Siping;Pan Jidong;Wang ShufangPatent Agency Code: 11021Patent Agent: jiang lilouAbstract A program-controlled optical shutter for multi-wavelength laser radar to probe ozone and aerosol in stratosphere is composed of optical shutter blades, motor,… Read More »

Optical system

Application Number: 00126963Application Date: 2000.06.30Publication Number: 1291727Publication Date: 2001.04.18Priority Information: 1999/7/30 GB 9915233.2; 1999/8/10 GB 9918727.0International: G02B27/44;G02F1/01;H04B10/18Applicant(s) Name: Marconi Communications Ltd.Address: Inventor(s) Name: R.C. GudfelloPatent Agency Code: 72001Patent Agent: li efeiAbstract A system for individually controlling the chromatic dispersion of one or more wavelength division multiplexed (WDM) optical signals, chromatic dispersion is compensated a plurality… Read More »

Three-dimensional profile measuring method and equipment with optical fiber panel and confocal microscope

Application Number: 00113793Application Date: 2000.04.26Publication Number: 1269517Publication Date: 2000.10.11Priority Information: International: G02B21/36;G01B11/24Applicant(s) Name: Xi'an Jiaotong Univ.Address: Inventor(s) Name: Tan Yushan;Wang Zhao;Kong BingPatent Agency Code: 61200Patent Agent: jia yujianAbstract By making beam-extending collimated light source illuminate on its right-side prism, using oblique plane of the prism to make light source illuminate on the beam splitter under… Read More »

Optical information reproducing device

Application Number: 00118192Application Date: 2000.06.06Publication Number: 1276599Publication Date: 2000.12.13Priority Information: 1999/6/7 JP 159797/99International: G11B7/08;G11B33/12Applicant(s) Name: K. K. Sankyo Seiki Mfg. SeisakushoAddress: Inventor(s) Name: Kitahara YushiPatent Agency Code: 31100Patent Agent: huang yiwenAbstract The present invention can realize an optical information reproducing device capable of surely obtaining a tracking error signal even in the high speed reproduction… Read More »

Temperature-controlling optical pulse parametric amplifier

Application Number: 00119555Application Date: 2000.08.03Publication Number: 1278608Publication Date: 2001.01.03Priority Information: International: G02F1/39Applicant(s) Name: Shanghai Inst. of Optics & Fine Machines, Chinese Academy of SciencesAddress: Inventor(s) Name: Jin Shiqi;Xu Zhizhan (CN )Patent Agency Code: 31002Patent Agent: li lanyangAbstract The temp.-controlled optical pules parametric amplifier equipment includes amplification element being in refrigeration cavity of temp, controller, and… Read More »

Apparatus for scanning optical recording medium

Application Number: 00121962Application Date: 2000.07.26Publication Number: 1282074Publication Date: 2001.01.31Priority Information: 1999/7/27 DE 19934473.6International: G11B7/00Applicant(s) Name: Deutsche Thomson-Brandt GmbHAddress: Inventor(s) Name: Krischun;Birkler;Christoffer DieterichPatent Agency Code: 11105Patent Agent: ma yingAbstract The present invention relates to an apparatus for reading and/or writing data markings of an optical recording medium having data markings arranged along a track and header… Read More »