Tag Archives: interference

Strong controller of interference observer based on optical disk drive focas servo-system

Application Number  00129540 Application Date  2000.09.28 Publication Number  1335595 Publication Date  2002.02.13 Priority Information   2000/7/31 KR 0044217/2000   International Classification  G11B7/09;G11B21/02   Applicant(s) Name  Daewoo Electronics Co., Ltd.   Address     Inventor(s) Name  Pae Hongmun   Patent Agency Code  72002 Patent Agent  jian wei AbstractTo provide a disk drive focusing servo controller capable… Read More »

Electromagnetic interference shielding for small magnetic apparatus

Application Number  00128385 Application Date  2000.11.28 Publication Number  1298189 Publication Date  2001.06.06 Priority Information   1999/11/29 US 09/450,934   International Classification  H01F27/36;H05K9/00   Applicant(s) Name  Lucent Technologies Inc.   Address     Inventor(s) Name  Jao.L. Andress;Michael.R. Beyle   Patent Agency Code  11038 Patent Agent  wang maohua AbstractThe present invention provides magnetic structure, particularly an isolation… Read More »

Floor resisting against interference, radiation, fire and water

Application Number: 00111485Application Date: 2000.01.21Publication Number: 1257960Publication Date: 2000.06.28Priority Information: International: B32B5/22;E04F15/02Applicant(s) Name: Zhang LiweiAddress: Inventor(s) Name: Zhang Feng;Zhang Liwei;Tu GuangweiPatent Agency Code: 00000Patent Agent: Abstract A floor tile resisting against interference, radiation, fire and water is composed of top and bottom surface plates, decorative facing sheet, cavity between top and bottom surface plates and… Read More »

Co-clock timing method for signal interference detection

Application Number: 00113367Application Date: 2000.04.11Publication Number: 1317901Publication Date: 2001.10.17Priority Information: International: H04L27/02Applicant(s) Name: Zhongnan Polytechnical UnivAddress: Inventor(s) Name: Zhang Youshan;Yuan Zhengwu;Mu JianhongPatent Agency Code: 43200Patent Agent: gong canfanAbstract A co-clock timing method for signal interference detection features that the timing clock signals (or after frequency division) for generating the signals to be transmitted in transmitter… Read More »

Phase conjugation and interference device for measuring vibration amplitude of body with sub-nm resolution

Application Number: 00115304Application Date: 2000.03.30Publication Number: 1264830Publication Date: 2000.08.30Priority Information: International: G01N21/21Applicant(s) Name: Shanghai Inst. of Optical Fine Machinery, Chinese Academy of SciencesAddress: Inventor(s) Name: Wang Xiangchao;Wang Xuefeng;Qian FengPatent Agency Code: 31002Patent Agent: li lanyangAbstract A phase conjugation interference device for measuring the vibration amplitude of body with sub-nm resolution is composed of the first… Read More »

Equipment and method for reducing crosstalk and symbol interference

Application Number: 00117869Application Date: 2000.04.22Publication Number: 1273412Publication Date: 2000.11.15Priority Information: 1999/4/22 KR 14488/99International: G11B7/004;G11B20/10Applicant(s) Name: Samsung Electronics Co.,Ltd.Address: Inventor(s) Name: Kim Tae-Gyong;Jong Chong-Sam;An Yong-ManPatent Agency Code: 11105Patent Agent: ma yingAbstract A device and method of reducing intersymbol interference ISI and crosstalk are provided. The ISI and crosstalk reducing device includes an optical detector for detecting… Read More »

Interference eliminator in CDMA receiver

Application Number: 00118791Application Date: 2000.06.29Publication Number: 1287424Publication Date: 2001.03.14Priority Information: 1999/7/2 JP 188911/1999International: H04J13/02;H04Q7/30Applicant(s) Name: Fujitsu Ltd.Address: Inventor(s) Name: Nimi Tetsuhiro;Seki Hiroyuki;Tanaka YoshikiPatent Agency Code: 11038Patent Agent: wu liliAbstract Interference eliminator in code division multiple access(CDMA)receiver is able to eliminate interference from the received signal by multiplying the interference replication with an adjustment coefficient and… Read More »

Sation system having processor to elimnate parallel interference

Application Number: 00119333Application Date: 2000.06.28Publication Number: 1279569Publication Date: 2001.01.10Priority Information: 1999/6/29 US 09/342,145International: H04Q7/30Applicant(s) Name: Lucent Technologies Inc.Address: Inventor(s) Name: R. M. Bucher;M. D. Harm;S. Q. LiuPatent Agency Code: 11038Patent Agent: jiang shixunAbstract The base station system includes a cancellation processor connected to a plurality of conventional signal processors. Under the control of a controller,… Read More »

High-safety floor board preventing light damage rays and interference

Application Number: 00119536Application Date: 2000.08.01Publication Number: 1279327Publication Date: 2001.01.10Priority Information: International: C04B22/00;C04B28/04;E04B1/92;E04F15/02Applicant(s) Name: Zhang LiweiAddress: Inventor(s) Name: Zhang Feng;Zhang Liwei;Zhang WeiPatent Agency Code: 00000Patent Agent: Abstract A high-safety floor board preventing light damage, ray and interference is composed of surficial plate and bottom plate as substrate, which has diamond blind holes. Said surficial plate is… Read More »

Interference offset device of CDMA receiver

Application Number: 00119919Application Date: 2000.06.30Publication Number: 1291020Publication Date: 2001.04.11Priority Information: 1999/7/2 JP 188934/1999International: H04J13/02;H04Q7/30Applicant(s) Name: Fujitsu Ltd.Address: Inventor(s) Name: Seki Hiriyuki;Nimi TetsuhiroPatent Agency Code: 11038Patent Agent: wu liliAbstract The interference canceler device is provided with one or more interference removing stages for removing interference from a received signal by generating interference replicas for individual channels… Read More »

Guidance method and device capable of resisting interference of strong light

Application Number: 00110728Application Date: 2000.07.24Publication Number: 1295232Publication Date: 2001.05.16Priority Information: International: F41G7/28Applicant(s) Name: Changchun Shikai Science &. Technology Industry Co., Ltd.Address: Inventor(s) Name: Zou Zhongyu;Huang LiyePatent Agency Code: 22100Patent Agent: chen hongweiAbstract In the double-CCD guidance device, planar array CCD, filter and video signal processing system are adopted. In the planar array CCD FOV range,… Read More »

Method for avoiding interference between wireless mice

Application Number: 00120782Application Date: 2000.07.12Publication Number: 1333502Publication Date: 2002.01.30Priority Information: International: G06F9/06Applicant(s) Name: Zheng GuoshuAddress: Inventor(s) Name: Zheng GuoshuPatent Agency Code: 11127Patent Agent: chen jianminAbstract The present invention relates to a method for preventing interference between radio mouses, and is characterized by that radio mouse, receiver and computer, are used and matched with drive program… Read More »

Method for eliminating Fe2+ interference in detection of Zn content

Application Number: 00110858Application Date: 2000.01.25Publication Number: 1264041Publication Date: 2000.08.23Priority Information: International: G01N31/16Applicant(s) Name: Ji ShengAddress: Inventor(s) Name: Ji Sheng;Jia Chenglu;Shang ZhaocongPatent Agency Code: 00000Patent Agent: Abstract A method for eliminating the Fe2+ ions interference in adetermining Zn content in the mixture of zinc sulfate and ferrous sulfate includes such steps as using 3% H2O2 to… Read More »

Method for eliminating Fe2+ interference in detection of Zn content

Application Number: 00110858Application Date: 2000.01.25Publication Number: 1264041Publication Date: 2000.08.23Priority Information: International: G01N31/16Applicant(s) Name: Ji ShengAddress: Inventor(s) Name: Ji Sheng;Jia Chenglu;Shang ZhaocongPatent Agency Code: 00000Patent Agent: Abstract A method for eliminating the Fe2+ ions interference in adetermining Zn content in the mixture of zinc sulfate and ferrous sulfate includes such steps as using 3% H2O2 to… Read More »

Use of position update response information to protect predefined area from moving terminal interference

Application Number: 00108318Application Date: 2000.03.12Publication Number: 1272758Publication Date: 2000.11.08Priority Information: 1999/4/16 EP 99107647.2; 1999/3/12 EP PCT/EP99/01642International: H04B7/26;H04Q7/30Applicant(s) Name: Sony International (Europe) GmbHAddress: Inventor(s) Name: M. Waeberr;G. WenklerPatent Agency Code: 72001Patent Agent: li efeiAbstract The present invention relates to a base station and a method for protecting a predetermined area from disturbing usage of mobile terminals… Read More »

Protection of use in drift terminal in predetermined zone from being interference

Application Number: 00108313Application Date: 2000.03.12Publication Number: 1268857Publication Date: 2000.10.04Priority Information: 1999/4/16 EP 99107677.9; 1999/3/12 EP PCT/EP99/01643International: H04B7/26;H04Q7/30Applicant(s) Name: Sony International (Europe) Co., Ltd.Address: Inventor(s) Name: M. Webell;G. WinkqinPatent Agency Code: 72001Patent Agent: li efeiAbstract The present invention relates to a base station and a method for protecting a predetermined area from disturbing usage of mobile… Read More »

Multistage interference canceller using first level and second level path timing

Application Number: 00107233Application Date: 2000.04.27Publication Number: 1272009Publication Date: 2000.11.01Priority Information: 1999/4/27 JP 120520/1999International: H04J13/02Applicant(s) Name: NEC Corp.Address: Inventor(s) Name: Donburi TatsuyaPatent Agency Code: 11021Patent Agent: zhu jinguiAbstract Each of path search unit 41 . . . 4N performs a path-searching on a received signal rin to output a primary path timing signal 8 indicating primary… Read More »

Phase difference measurer and heterodyne interference measuring system using it

Application Number: 00107057Application Date: 2000.04.24Publication Number: 1320812Publication Date: 2001.11.07Priority Information: International: G01J9/02Applicant(s) Name: Zhou ZhengAddress: Inventor(s) Name: Zhou ZhengPatent Agency Code: 31100Patent Agent: li lingAbstract A phase-difference measurer and its heterodyne interference measuring system are disclosed. A differential amplifier is used to find out the difference value between two phase modulated measured signals with same… Read More »

Device and method for generating sparse interference graph

Application Number: 00107016Application Date: 2000.04.24Publication Number: 1271894Publication Date: 2000.11.01Priority Information: 1999/4/23 US 09/298115International: G06F9/50Applicant(s) Name: Sun Microsystems, Inc.Address: Inventor(s) Name: C. N. Kerlek;Jr.;C. A. Vick;M. H. ParetznyPatent Agency Code: 72001Patent Agent: wu limengAbstract Methods and apparatus for reducing the number of edges described by an interference graph are disclosed. According to one aspect of the… Read More »

Counteraction circuit for controlling high speed line electromagnetic interference

Application Number: 00104785Application Date: 2000.03.22Publication Number: 1314777Publication Date: 2001.09.26Priority Information: International: G12B17/02;H05K1/02Applicant(s) Name: Shenda Computer Co., Ltd.Address: Inventor(s) Name: Zheng YuqiangPatent Agency Code: 31100Patent Agent: qian weiminAbstract The counteraction circuit produces differential signal to counteract magnetic field and couple electric field without negative effect to signal quality. The differential signal is produced by an additional… Read More »

Strong interference pigment

Application Number: 00104682Application Date: 2000.02.15Publication Number: 1265405Publication Date: 2000.09.06Priority Information: 1999/2/15 DE 19915153.9International: C09C3/06;C09D17/00Applicant(s) Name: Merck Patent GmbHAddress: Inventor(s) Name: C. Schmied;C. Bonadt;D. HeintzPatent Agency Code: 11038Patent Agent: long chuangongAbstract The invention relates to strong interference pigment based on a small laminar substrate of a multi-layer coating, the pigment has (A) a high-refractive index coating… Read More »

Method for removing interference

Application Number: 00103775Application Date: 2000.03.09Publication Number: 1266317Publication Date: 2000.09.13Priority Information: 1999/3/9 FI 990509International: H04L1/00Applicant(s) Name: Nokia Mobile Phones Ltd.Address: Inventor(s) Name: A. HodinanPatent Agency Code: 72001Patent Agent: luan benshengAbstract The invention relates to an interference cancellation method and receiver in a data transmission system, which receiver comprises means (208) to detect and channel-decode (210) a… Read More »

Method for reducing interference of stray signals to motherboard and increasing expandability of memory

Application Number: 00102977Application Date: 2000.03.13Publication Number: 1271880Publication Date: 2000.11.01Priority Information: International: G06F1/00Applicant(s) Name: Bodeng Computer Co., Ltd.Address: Inventor(s) Name: Du JinmingPatent Agency Code: 11021Patent Agent: tang baobengAbstract A method for reducing the stray signal interference to motherboard and increasing the expandability of memory features that part of the memory circuit board is separated from the… Read More »

Colour interference pigment

Application Number: 00101954Application Date: 2000.02.03Publication Number: 1267686Publication Date: 2000.09.27Priority Information: 1999/2/10 DE 19905427.4International: C08K9/02;C09C3/06Applicant(s) Name: Merck Patent GmbHAddress: Inventor(s) Name: K. Boenhate;H-D. Brucena;K. OstriedPatent Agency Code: 11038Patent Agent: long chuangongAbstract A colored interference pigment having a platelet-shaped layer as substrate, a coating of at least one metal oxide layer and, optionally, a further layer, at… Read More »

Device for automatically cutting-off interference sounder on receiving radio signals

Application Number: 00100762Application Date: 2000.02.18Publication Number: 1309481Publication Date: 2001.08.22Priority Information: International: H04B15/00Applicant(s) Name: Luan PengAddress: Inventor(s) Name: Luan PengPatent Agency Code: 11241Patent Agent: xia yanbengAbstract A device able to silence interference sounder on receiving radio signals has a controller. The electromagnetic waves generated by mobile telephone or interphone is received by its antenna, rectified and… Read More »

Method of cancelling outside peridic interference in electromagnetic signal determination

Application Number: 00100637Application Date: 2000.01.25Publication Number: 1259673Publication Date: 2000.07.12Priority Information: International: G01R15/00Applicant(s) Name: Beijing Univ.Address: Inventor(s) Name: He Dongfeng;Dai YuandongPatent Agency Code: 11200Patent Agent: yu changjiangAbstract The present invention relates to a method of using impressed signal to cancel the external periodic interference in electromagnetic signal measurement. By superimposing the signal from signal generator or… Read More »

Method for generating electromagnetic wave interference shielding membrane

Application Number: 00100516Application Date: 2000.01.20Publication Number: 1306387Publication Date: 2001.08.01Priority Information: International: H05K9/00;C23C18/00;G12B17/02Applicant(s) Name: Baiteng Science and Technology Co LtdAddress: Inventor(s) Name: Liu Qizhi;Chen Zaipu;Huang GuangzhaoPatent Agency Code: 31002Patent Agent: li baiAbstract A method to form a electromagnetic interference masking film aims at forming the first metal film on the nonconducting material surface by physical vapour… Read More »