专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

DE3882152D1 未知
公开(公告)号：DE3882152D1
公开(公告)日：1993-08-12
申请号：DE3882152
申请日：1988-01-08
申请人： FUKUDA DENSHI KK , RIKEN KK
发明人： ISHI HIROYOSHI , SUZUKI KENZO , KANEKO MISAO , KAWAMOTO HIROSHI , SHIMIZU CHUJI , ONODERA YASUAKI
IPC分类号： A61B5/0408 , A61B5/0402
摘要： An electrocardiographic electrode comprises a synthetic resin element (1) having a head portion (11) with a lead attached thereto, a neck portion (12) and a bottom portion (13). The outer surface of the synthetic resin element (1) is made electrically conductive by a metal powder coating (15). An expansible member (2) can be locked in an engagement portion (12a) of the neck (12). A adhesive film (5) is applied to the expansible member (2) in order to hold it in close contact with the skin of a living body.

2. 发明专利

AT91224T 未知
公开(公告)号：AT91224T
公开(公告)日：1993-07-15
申请号：AT88100185
申请日：1988-01-08
申请人： FUKUDA DENSHI KK , RIKEN KK
发明人： ISHI HIROYOSHI , SUZUKI KENZO , KANEKO MISAO , KAWAMOTO HIROSHI , SHIMIZU CHUJI , ONODERA YASUAKI
IPC分类号： A61B5/0402

3. 发明专利

JPS63132632A ELECTRODE ELEMENT FOR LIVING BODY INDUCTION ELECTRODE AND ITS PRODUCTION 失效
公开(公告)号：JPS63132632A
公开(公告)日：1988-06-04
申请号：JP28096386
申请日：1986-11-26
申请人： FUKUDA DENSHI KK , RIKEN KK
发明人： ISHII HIROYOSHI , SUZUKI KENZO , KANEKO MISAO , KAWAMOTO HIROSHI , SHIMIZU TADAHARU , ONODERA YASUAKI
IPC分类号： A61B5/0408 , A61B5/04

4. 发明专利

JPH0230249B2 失效
公开(公告)号：JPH0230249B2
公开(公告)日：1990-07-05
申请号：JP28096386
申请日：1986-11-26
申请人： FUKUDA DENSHI KK , RIKEN KK
发明人： ISHII HIROYOSHI , SUZUKI KENZO , KANEKO MISAO , KAWAMOTO HIROSHI , SHIMIZU TADAHARU , ONODERA YASUAKI
IPC分类号： A61B5/0408 , A61B5/04

5. 发明专利

DE3882152T2 未知
公开(公告)号：DE3882152T2
公开(公告)日：1993-10-28
申请号：DE3882152
申请日：1988-01-08
申请人： FUKUDA DENSHI KK , RIKEN TOKIO TOKYO KK
发明人： ISHI HIROYOSHI , SUZUKI KENZO , KANEKO MISAO , KAWAMOTO HIROSHI , SHIMIZU CHUJI , ONODERA YASUAKI
IPC分类号： A61B5/0408 , A61B5/0402
摘要： An electrocardiographic electrode comprises a synthetic resin element (1) having a head portion (11) with a lead attached thereto, a neck portion (12) and a bottom portion (13). The outer surface of the synthetic resin element (1) is made electrically conductive by a metal powder coating (15). An expansible member (2) can be locked in an engagement portion (12a) of the neck (12). A adhesive film (5) is applied to the expansible member (2) in order to hold it in close contact with the skin of a living body.

6. 发明专利

JPH1051177A MAGNETIC SHIELDING ROOM 失效
公开(公告)号：JPH1051177A
公开(公告)日：1998-02-20
申请号：JP22079896
申请日：1996-08-05
申请人： RIKEN KK , TOKYO ELECTRIC POWER CO
发明人： HAYASHI TOSHIKATSU , KAWAMOTO HIROSHI , ISHIBASHI TAKESHI , YOSHIZAWA HIROAKI
IPC分类号： E04B1/92 , E04H9/14 , H05K9/00
摘要： PROBLEM TO BE SOLVED: To obtain a magnetic shielding room which is worked easily and which is excellent in a magnetic shielding property by a method wherein wall surfaces are constituted by combining magnetic shielding frames with magnetic shielding panels and the wall surfaces are connected by a mounting metal fitting composed of a magnetic substance. SOLUTION: A ceiling wall 1 is constituted by combining a plurality of magnetic shielding panels 2, and a floor 5 is constituted in such a way that magnetic shielding materials 6 are spread doubly in a zigzag shape. The magnetic shielding panels 2 and magnetic shielding panels 4 are panels constituted of magnetic shielding surface frames as soft magnetic materials and of inner layers which are arranged and installed inside the magnetic shileing surface frames and which are composed of a nonmagnetic material, cross sections in end parts of the magnetic shielding surface frames situated at both end parts are formed respectively to be protruclion-shaped and recess-shaped, and respective wall surfaces are constituted in such a way that side-face protruding parts 21 and side-face parts at the adjacent panels are coupled in a nesting shape so as to be connected. Thereby, a magnetic shielding room can be formed by a construction content which is nearly identical to that of an ordinary unit method of construction.

7. 发明专利

JPH08130389A POROUS FERRITE RADIO WAVE ABSORBER 失效
公开(公告)号：JPH08130389A
公开(公告)日：1996-05-21
申请号：JP29035794
申请日：1994-11-01
申请人： RIKEN KK
发明人： HAYASHI TOSHIKATSU , KAWAMOTO HIROSHI
IPC分类号： H05K9/00
摘要： PURPOSE: To improve low frequency radio wave absorbing characteristic, without changing the high frequency absorbing characteristics by forming a porous ferrite into a shape having pyramid or wedge-like protrusions on a rectangular parallelpiped. CONSTITUTION: A ferrite particulate is mixed with additives of soda silicate and soda aluminate, kneaded with a surfactant, foaming agent and water and formed into a pyramid or wedge shape of porous hydrogel, which is dried and baked to produce a porous ferrite piece. Such porous ferrite pieces are combined to form a panel whereby the wave absorption characteristic at low frequency bands improved, without changing that at high frequency band.

8. 发明专利

JPH06224585A FERRITE RADIO WAVE ABSORPTIVE MATERIAL AND MANUFACTURE THEREOF 失效
公开(公告)号：JPH06224585A
公开(公告)日：1994-08-12
申请号：JP2716093
申请日：1993-01-25
申请人： RIKEN KK
发明人： KAWAMOTO HIROSHI , ITO TOYOHITO , HAYASHI TOSHIKATSU
IPC分类号： C04B35/30 , H05B6/76 , H05K9/00
摘要： PURPOSE:To achieve a ferrite radio absorptive material which improves the radio wave absorption characteristic in a desired frequency band by providing a sintered ferrite radio wave absorptive material with frequency characteristics which increase the permittivity in an absorption target frequency band. CONSTITUTION:Ni-Zn ferrite powder is formed into a desired shaped, and then fired at 1200-1300 deg.C or so to provide a Ni-Zn ferrite sintered body. Sintering temperature is further risen to 1430-1480 deg.C, and the sintered body is sintered again for 2-5hrs to obtain desired characteristics. The resultant sintered body is 10 OMEGA-m in resistivity, and its absorption characteristic is 20dB or below in frequency bands from approx. 200MHz down to 20MHz; the absorption characteristic is improved in low frequency band, especially in those of 20-50MHz. This obtains a ferrite radio wave absorptive material which shows a favorable radio wave absorption characteristic in target frequency bands.

9. 发明专利

JPH0613780A RADIO WAVE ABSORBENT 失效
公开(公告)号：JPH0613780A
公开(公告)日：1994-01-21
申请号：JP19024792
申请日：1992-06-25
申请人： RIKEN KK
发明人： KAWAMOTO HIROSHI , HAYASHI TOSHIKATSU
IPC分类号： H05K9/00
摘要： PURPOSE:To obtain a radio wave absorbent capable of absorbing electromagnetic energy by a method wherein the absorbent is formed through such a manner that metal powder is dispersed into a ferrite sintered body. CONSTITUTION:A radio wave absorbent 1 is a composite body composed of Ni-Zn ferrite sintered body 4 as parent material and TiC powder 5 of conductive ceramics dispersed in the sintered body 4, the conductive ceramic powder has an electric resistivity rho represented by a formula, rho>=100muOMEGA-cm, powder is 10 to 100mum in maximum axis, 1 to 30mum in minimum axis, over 50 in aspect ratio, and needle-like or fiber-like in shape. If the volume ratio of metal powder 5 to ferrite sintered body 4 is less than 5%, the absorbent 1 can not be enhanced in dielectric constant, and if the ratio exceeds 30%, metal powder is lessened in contact resistance, so that the absorbent can not kept high in characteristics. Therefore, an absorbent of this design can be set not only in complex permeability as required but also in complex dielectric constant for a certain frequency band, and consequently it is able to absorb electromagnetic energy damping both the magnetic field component and electrical field component of electromagnetic waves.

10. 发明专利

JPH05335779A 失效
公开(公告)号：JPH05335779A
公开(公告)日：1993-12-17
申请号：JP16558192
申请日：1992-06-02
申请人： RIKEN KK
发明人： KAWAMOTO HIROSHI , HAYASHI TOSHIKATSU
IPC分类号： E04B1/92 , H05K9/00
摘要： PURPOSE:To provide an excellent electric wave absorbing characteristic regardless of electric wave polarization by overlapping two pieces of square panels provided with alloy thin strips laminated in the panel plane direction so as to permit the laminating directions to orthogonally intersect. CONSTITUTION:An electric wave absorber 1 is designed to provide an maximum absorbing characteristic when it is applied with an electric wave whose direction H of the magnetic field component is parallel to the laminating line and the direction E of the electric field component is permitted to orthogonally intersect with the laminating line. However, there is few case that the polarized wave of the electric wave is limited to be horizontal or vertical. Therefore, when the absorbers are arranged so as to permit the directions of the laminating lines to be uniform, an excellent electric wave absorbing characteristic is not attained. A square panel 4 is formed by laminating amorphous alloy thin strips which have high magnetic permeability in a direction that the panel plane extends. An electric wave absorber 5 is formed by laminating two pieces of the square panels 4 so as to permit the alloy thin strips to orthogonally intersect. Thus, the excellent electric wave absorbing characteristic is attained for any polarized wave.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式