Spinel ferrite thermal sensitive resistance component with negative temperature coefficient

Application Number  00128888 Application Date  2000.09.28 Publication Number  1326198 Publication Date  2001.12.12 Priority Information   2000/5/25 KR 28304/00   International Classification  H01C7/04   Applicant(s) Name  Ryool Teup Lyong Co., Ltd.   Address     Inventor(s) Name  Ri Jong-Guk;Yang Gwang-Sop;Wang Yongsong   Patent Agency Code  11105 Patent Agent  yang wu AbstractA negative temperature coefficient thermistor is Read more

Testing method and device for micro bearing friction coefficient

Application Number: 00111711Application Date: 2000.02.24Publication Number: 1261663Publication Date: 2000.08.02Priority Information: International: G01N19/02Applicant(s) Name: Shanghai Jiaotong Univ.Address: Inventor(s) Name: Yao Zhenqiang;Zhang QiPatent Agency Code: 31201Patent Agent: mao cuiyingAbstract In a test specimen of bearing with cut open bush struture, flexible stay cable is wound around the bush, the tension of the stay cable is converted into Read more

Positive temperature coefficient ceramic heater part

Application Number: 00121609Application Date: 2000.07.20Publication Number: 1327359Publication Date: 2001.12.19Priority Information: 2000/6/6 JP 16852/00International: H05B3/02;H05B3/10Applicant(s) Name: Kamikazu Co., Ltd.Address: Inventor(s) Name: Taguchi KoshiroPatent Agency Code: 72001Patent Agent: zhang tiananAbstract Provided is a positive temperature coefficient ceramic heater part which protects the positive temperature coefficient ceramic electrodes from being damped and oxidated, with high safety and reliability. Read more

Reference current source generating circuit with low temp coefficient

Application Number: 00123710Application Date: 2000.08.31Publication Number: 1340750Publication Date: 2002.03.20Priority Information: International: G05F1/46;G05F3/08Applicant(s) Name: Lingyang Science and Technology Co LtdAddress: Inventor(s) Name: Zhuang DachangPatent Agency Code: 11021Patent Agent: tang baobengAbstract A reference current source generating circuit with low temp. coefficient is disclosed. A reference current with positive temp. coefficient generated by the positive temp. coefficient sensing Read more

Composite brake shoe with great friction coefficient and its manufacture

Application Number: 00124569Application Date: 2000.09.22Publication Number: 1344640Publication Date: 2002.04.17Priority Information: International: B61H1/00;C08J5/14;C08L61/04;C10M159/10;F16D69/02Applicant(s) Name: Lu HaichenAddress: Inventor(s) Name: Lu HaichenPatent Agency Code: 13102Patent Agent: dai huiAbstract The composite brake shoe with high coefficient is manufactured by using phenolic resin, composite fiber, graphite, barium sulfate, iron powder, butyronitrile, zirconite, rubber powder, feldspar powder, alumina and other material Read more

Continuous type wire expansion coefficient measuring instrument

Application Number: 00124996Application Date: 2000.09.29Publication Number: 1346052Publication Date: 2002.04.24Priority Information: International: G01N25/16Applicant(s) Name: China Petrochemical Corp.Address: Inventor(s) Name: Wei Ruoqi;Wang Zhenjiang;Gu YiPatent Agency Code: 11218Patent Agent: wei qiangwenAbstract The linear expansion coefficient measuring instrument which only has one thermostatic bath and can continuously control temperature is characterized by that the refrigerating coil pipe and electroheating Read more

Kinetic-friction coefficient measuring device

Application Number: 00108908Application Date: 2000.05.19Publication Number: 1325024Publication Date: 2001.12.05Priority Information: International: G01N19/02Applicant(s) Name: Dainago Construction Industries Co., Ltd.Address: Inventor(s) Name: Abe Hiroya;Sawa ToshioPatent Agency Code: 11038Patent Agent: sun zhengAbstract The measurement device for measuring dynamic friction coefficient comprises friction measuring component with a disk on which a friction measuring rubber element is fixed, a driving Read more

Frame synchronization and equalization coefficient correction method

Application Number: 00107548Application Date: 2000.05.18Publication Number: 1325197Publication Date: 2001.12.05Priority Information: International: H04J11/00;H04L7/00;H04L27/26Applicant(s) Name: Huawei Technology Co., Ltd.Address: Inventor(s) Name: Wang GenpingPatent Agency Code: 11127Patent Agent: han piaoyangAbstract The method for implementing frame synchronization and equalization coefficient correction includes the following steps: equal-dividing whole channel into N subchannels according to frequency spectrum; making adaptive frequency domain Read more

Multiple RSA encryption method utilizing polynomial coefficient to make information conversion

Application Number: 00103359Application Date: 2000.03.03Publication Number: 1263393Publication Date: 2000.08.16Priority Information: International: H04L9/28Applicant(s) Name: Qinghua Univ.Address: Inventor(s) Name: Jia Huibo;Shi Xi;Xiong JianpingPatent Agency Code: 11201Patent Agent: liao yuanqiuAbstract The present invention belongs to the field of computer data encryption technology. It utilizes constructive polynomial x'=anRbn+an-1Rbn-1… +a1R+ao, in which n is defined according to conditional formula RB" Read more

Quick correction method for frame synchronization and equalization coefficient

Application Number: 00102764Application Date: 2000.02.29Publication Number: 1311579Publication Date: 2001.09.05Priority Information: International: H04B7/005;H04L7/00Applicant(s) Name: Huawei Technology Co., Ltd., Shenzhen CityAddress: Inventor(s) Name: Wang Genping;Ma FuweiPatent Agency Code: 11127Patent Agent: han piaoyangAbstract The invention method is proceeded by pilot frequency information. It includes to extract pilot frequency phase information from receiver data in frequency-domain balancer, to proceed Read more

Filter and method for getting filter coefficient

Application Number: 00101627Application Date: 2000.01.20Publication Number: 1261740Publication Date: 2000.08.02Priority Information: 1999/1/20 JP 12388/99International: H03H17/02Applicant(s) Name: Matsushita Electric Industrial Co., Ltd.Address: Inventor(s) Name: Abe RyojiPatent Agency Code: 31100Patent Agent: li lingAbstract A filter device includes a first section for receiving data of a desired cutoff frequency. A second section operates for deciding whether the desired cutoff Read more

Preparation of composite nanometer polyimide/clay film with very low thermal expansion coefficient

Application Number: 00101315Application Date: 2000.01.05Publication Number: 1258690Publication Date: 2000.07.05Priority Information: International: C08J5/18;C08L79/08Applicant(s) Name: Zhejiang Univ.Address: Inventor(s) Name: Gu Yuanjuan;Zhang FengzhiPatent Agency Code: 33200Patent Agent: lin fuyuAbstract Polyamide acid salt solution is first obtained through dissolving aromatic diamine with mixed tetrahydrofuran/methanol solvent in a reactor and the reaction with added aromatic acid anhydride and tertiary amine; Read more