Tag Archives: grating

Equipment and method for producing optic fibre grating

Application Number: 00120355Application Date: 2000.07.07Publication Number: 1280303Publication Date: 2001.01.17Priority Information: 1999/7/7 KR 27277/99International: G02B6/34Applicant(s) Name: Samsung Electronics Co., Ltd.Address: Inventor(s) Name: Park Mu-Yun;Kim Mun-songPatent Agency Code: 72001Patent Agent: wu zengyongAbstract An apparatus and method for fabricating fiber gratings. To fabricate fiber gratings using a mask having gratings written therein, at least two optical fibers are… Read More »

Equipment and method for manufacturing low polarization correlated long period optical fiber grating

Application Number: 00121435Application Date: 2000.07.21Publication Number: 1282880Publication Date: 2001.02.07Priority Information: 1999/7/28 KR 99-30833International: G02B6/34Applicant(s) Name: Samsung Electronics Co., Ltd.Address: Inventor(s) Name: Kim Sae-Yun;Kim Mae-sung;Yun Sin-YongPatent Agency Code: 11021Patent Agent: rong zhiminAbstract An apparatus and method for manufacturing long period fiber gratings with low polarization dependence, and a long period fiber grating manufactured by the apparatus,… Read More »

Intelligent and high precision grating signal measuring method and device therefor

Application Number: 00112341Application Date: 2000.06.13Publication Number: 1278058Publication Date: 2000.12.27Priority Information: International: G01B11/04;G01B11/26Applicant(s) Name: Najing Normal Univ.Address: Inventor(s) Name: Zhu QingbaoPatent Agency Code: 32207Patent Agent: wang dongshengAbstract The invented intelligent high-precision grating signal measuring method and its device are a method and device capable of measuring angle and displacement precisely. Partitioning method of artificial nerve network… Read More »

Absolute encoding measuremnt method using circular grating

Application Number: 00112651Application Date: 2000.01.25Publication Number: 1307226Publication Date: 2001.08.08Priority Information: International: G01B11/26Applicant(s) Name: Inst. of Opto-Electronics, Chinese Academy of SciencesAddress: Inventor(s) Name: Ye Shengxiang;Wei Aimin;Wang JijiaoPatent Agency Code: 51001Patent Agent: zhang yigongAbstract The measurement method uses the primary signal from circular grating as detecting element to obtain a series of output signals with successively doubled… Read More »

Error correcting method in circular grating angle measurement

Application Number: 00112652Application Date: 2000.01.25Publication Number: 1307227Publication Date: 2001.08.08Priority Information: International: G01B11/26Applicant(s) Name: Inst. of Opto-Electronics, Chinese Academy of SciencesAddress: Inventor(s) Name: Ye Shengxiang;Wei AiminPatent Agency Code: 51001Patent Agent: zhang yigongAbstract Primary output signals of two circular grating with 90 deg phase difference are frequency division successively, one of the primary signal and its frequency… Read More »

Large crystal grating parameter deomosine montmorillonite 2 : 1 type double 8-sided body laminated structural filictae, catalyst and its transfer method

Application Number: 00117856Application Date: 2000.04.12Publication Number: 1273880Publication Date: 2000.11.22Priority Information: 1999/4/12 FR 99/04856International: B01J29/00;B01J29/08Applicant(s) Name: Institut Francais Du PetroleAddress: Inventor(s) Name: S. Raconbu;J. Brandler;T. SeriPatent Agency Code: 72001Patent Agent: lu xinhuaAbstract 2:1 Dioctahedric phyllosilicates of montmorillonite type have a cross-linking distance of at least 2.00 x 10<-9> m and comprise interleaving columns based on compounds… Read More »

Equipment for preparing double wave band long period grating

Application Number: 00118092Application Date: 2000.06.09Publication Number: 1278070Publication Date: 2000.12.27Priority Information: 1999/6/21 KR 23276/99International: G02B5/18;G02B6/34Applicant(s) Name: Samsung Electronics Co., Ltd.Address: Inventor(s) Name: Jang Joo-NyongPatent Agency Code: 72001Patent Agent: liang yongAbstract The invention provides a device for forming concurrently a two-band long period grating in one optical fiber. In this grating forming device, a laser beam source,… Read More »

Grating member and optic pick-up device

Application Number: 00118900Application Date: 2000.06.22Publication Number: 1290931Publication Date: 2001.04.11Priority Information: 1999/7/1 JP 187339/99International: G11B7/135Applicant(s) Name: Sankyo Seiko Mfg. (Seisakusho) Co., Ltd.Address: Inventor(s) Name: Shiba Kazuo;Ohayashi FumioPatent Agency Code: 31100Patent Agent: fang xiaogongAbstract A grating mounting section for mounting a laser diode and a diffraction grating element is formed in a frame body of an optical… Read More »

Collector pipe mouth with cover and metal grating having hinge-joint and lockable

Application Number: 00119228Application Date: 2000.05.11Publication Number: 1273314Publication Date: 2000.11.15Priority Information: 1999/5/11 FR 9906007International: E02D29/14;E03F5/046;E03F5/06Applicant(s) Name: Naurinkau S. A.Address: Inventor(s) Name: Jea-Yak MornalertPatent Agency Code: 11038Patent Agent: huang bijingAbstract Manhole comprises frame (1), metallic grid (2), and lid (4). Grid has elastic bar (3) with free end (30) having enlarged sec (31) allowing locking of grid… Read More »

Wavelength-division multiplex arrangement equied with array wave-guide grating for alignment of waveguide, and alignment arrangement therefor

Application Number: 00119305Application Date: 2000.06.21Publication Number: 1278131Publication Date: 2000.12.27Priority Information: 1999/6/21 KR 23273/99International: H04B10/02;H04J14/02Applicant(s) Name: Samsung Electroics Inc.Address: Inventor(s) Name: Sung Hyong-Seung;Lee Ryang-Gyu;Kim Hyon-SuhPatent Agency Code: 72001Patent Agent: wu zengyongAbstract An arrayed waveguide grating (AWG) wavelength division multiplexer (WDM) provided with alignment waveguides, and an apparatus for aligning the arrayed waveguide grating wavelength division multiplexer.… Read More »

Silicon complementary metal oxide semiconductor body contact on insulator formed by grating

Application Number: 00120329Application Date: 2000.07.12Publication Number: 1280388Publication Date: 2001.01.17Priority Information: 1999/7/13 US 09/351,647International: H01L21/786;H01L21/84Applicant(s) Name: IBM Co.Address: Inventor(s) Name: Michael J. Hagruf;Jack A. MangrimanPatent Agency Code: 11038Patent Agent: wang yonggangAbstract A structure and process for making a semiconductor device with SOI body contacts under the gate conductor. The gate conductor is partitioned into segments and… Read More »

Optical fiber grating mfg. method with chirp and apodization function adjustment

Application Number: 00109436Application Date: 2000.06.23Publication Number: 1278069Publication Date: 2000.12.27Priority Information: International: G02B5/18Applicant(s) Name: Qinghua Univ.Address: Inventor(s) Name: Xie Shizhong;Li Xuhui;Xia LiPatent Agency Code: 11201Patent Agent: liao yuanqiuAbstract The present invention relates to the photo electron and optical fiber communication field including use of ultraviolet rag laser as light source, the scanning reflective mirror fixed on… Read More »

Erbium doped optic fibre having grating formed therein and mfg. method thereof

Application Number: 00104134Application Date: 2000.03.13Publication Number: 1266995Publication Date: 2000.09.20Priority Information: 1999/3/11 KR 8079/99International: G02B6/02;G02B6/124;G02F1/39Applicant(s) Name: Samsung Electronics Co., Ltd.Address: Inventor(s) Name: Paek Un-Chool;Chong Yong-Joo;Kim Chang-SokPatent Agency Code: 72001Patent Agent: wu zengyongAbstract An erbium-doped optical fiber (EDF) and a fabricating method. The erbium-doped optical fiber has a core formed by substantially doping silica with erbium and… Read More »

Apparatus and method for forming fibre-optic grating by minor bending

Application Number: 00104121Application Date: 2000.03.07Publication Number: 1266994Publication Date: 2000.09.20Priority Information: 1999/3/11 KR 8081/99International: G02B6/124;G02B6/16Applicant(s) Name: Samsung Electronics Co., Ltd.Address: Inventor(s) Name: Paek Un-chool;Chong Yong-Joo;Kim Chang-SokPatent Agency Code: 72001Patent Agent: liang yongAbstract There is provided a device and method for forming optical fiber anti-symmetric long period gratings by microbending. In the optical fiber grating forming device,… Read More »

Optic fibre for maximizing residual mechanical stress and method for mfg. fibre-optic grating using same

Application Number: 00104115Application Date: 2000.03.10Publication Number: 1266993Publication Date: 2000.09.20Priority Information: 1999/3/11 KR 8080/99International: C03B37/012;G02B6/02Applicant(s) Name: Samsung Electronics Co., Ltd.Address: Inventor(s) Name: Paek Un-Chool;Chong Yong-Joo;Kim Chang-SokPatent Agency Code: 72001Patent Agent: wu zengyongAbstract An optical fiber for maximizing residual mechanical stress and an optical fiber grating fabricating method using the optical fiber are provided. The optical fiber… Read More »

Grating image producing method and optical system

Application Number: 00101971Application Date: 2000.02.02Publication Number: 1307249Publication Date: 2001.08.08Priority Information: International: G02F1/35Applicant(s) Name: Guyetai Electronic Industry Co., Ltd.Address: Inventor(s) Name: Guo Qiwang;Lin ShicongPatent Agency Code: 31100Patent Agent: zhou chengAbstract The present invention forms point grating by means of light guide, symmetric light generation, local scanning, etc. and composes grating image by combining point gratings. The… Read More »

Array waveguide grating assembly and apparatus for monitoring light signals using same

Application Number: 00100262Application Date: 2000.01.12Publication Number: 1260500Publication Date: 2000.07.19Priority Information: 1999/1/14 KR 99-845International: G02B6/34;H04B10/08Applicant(s) Name: Samsung Electronic Co., Ltd.Address: Inventor(s) Name: Kong Ryong-Hoon;Kim Jong-MiPatent Agency Code: 11021Patent Agent: zhu jinguiAbstract An arrayed waveguide grating (AWG) module monitors the quality of a wavelength division multiplexed multi-channel optical signal without using a special measurer in a wavelength… Read More »