KR910006237B1 - 고자장에서 사용되는 스위치 - Google Patents

고자장에서 사용되는 스위치 Download PDF

Info

Publication number
KR910006237B1
KR910006237B1 KR1019880014974A KR880014974A KR910006237B1 KR 910006237 B1 KR910006237 B1 KR 910006237B1 KR 1019880014974 A KR1019880014974 A KR 1019880014974A KR 880014974 A KR880014974 A KR 880014974A KR 910006237 B1 KR910006237 B1 KR 910006237B1
Authority
KR
South Korea
Prior art keywords
magnetic field
high magnetic
switch
coil
opening
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
KR1019880014974A
Other languages
English (en)
Korean (ko)
Other versions
KR890008875A (ko
Inventor
모도지 하라가시라
요시미 마에가와
Original Assignee
가부시기가이샤 도오시바
아오이 죠이찌
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 가부시기가이샤 도오시바, 아오이 죠이찌 filed Critical 가부시기가이샤 도오시바
Publication of KR890008875A publication Critical patent/KR890008875A/ko
Application granted granted Critical
Publication of KR910006237B1 publication Critical patent/KR910006237B1/ko
Expired legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3621—NMR receivers or demodulators, e.g. preamplifiers, means for frequency modulation of the MR signal using a digital down converter, means for analog to digital conversion [ADC] or for filtering or processing of the MR signal such as bandpass filtering, resampling, decimation or interpolation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/28—Power arrangements internal to the switch for operating the driving mechanism using electromagnet
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3642—Mutual coupling or decoupling of multiple coils, e.g. decoupling of a receive coil from a transmission coil, or intentional coupling of RF coils, e.g. for RF magnetic field amplification

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
KR1019880014974A 1987-11-18 1988-11-14 고자장에서 사용되는 스위치 Expired KR910006237B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62289402A JPH01131651A (ja) 1987-11-18 1987-11-18 磁気共鳴診断装置
JP62-289402 1987-11-18

Publications (2)

Publication Number Publication Date
KR890008875A KR890008875A (ko) 1989-07-12
KR910006237B1 true KR910006237B1 (ko) 1991-08-17

Family

ID=17742767

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880014974A Expired KR910006237B1 (ko) 1987-11-18 1988-11-14 고자장에서 사용되는 스위치

Country Status (5)

Country Link
US (1) US4954924A (enExample)
EP (1) EP0316901B1 (enExample)
JP (1) JPH01131651A (enExample)
KR (1) KR910006237B1 (enExample)
DE (1) DE3889425T2 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2576938C (en) * 2004-08-27 2012-08-28 Archer-Daniels-Midland Company High-fat animal feed pellets and method for making same
DE102011087485B3 (de) * 2011-11-30 2013-05-29 Siemens Aktiengesellschaft Magnetresonanztomographie-Anlage, Verfahren zum Ausgleichen einer Feldinhomogenität in der Anlage und Shimspulenanordnung
JP6808434B2 (ja) * 2016-10-05 2021-01-06 富士通コンポーネント株式会社 電磁継電器
CN109961969B (zh) * 2017-12-26 2023-03-24 Abb瑞士股份有限公司 一种装置和一种包括装置的开关
CN111494010B (zh) * 2020-04-28 2022-03-29 绍兴梅奥心磁医疗科技有限公司 磁导航系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT246836B (de) * 1964-03-13 1966-05-10 Naimer H L Elektrisches Schaltschütz
DE3421830A1 (de) * 1984-06-13 1985-12-19 Philips Patentverwaltung Gmbh, 2000 Hamburg Kernspinresonanzgeraet mit einem stellglied zur anpassung oder zum nachstimmen des resonators
EP0173353B1 (en) * 1984-08-31 1991-09-18 Omron Tateisi Electronics Co. Electromagnetic relay with linearly moving armature assembly
FR2570872B1 (fr) * 1984-09-27 1988-08-26 Telemecanique Electrique Dispositif de commutation a composition variable
JPS62206734A (ja) * 1986-03-05 1987-09-11 富士電機株式会社 回路しや断器
DE3625342A1 (de) * 1986-07-26 1988-01-28 Philips Patentverwaltung Relais zur anwendung in einem stationaeren magnetfeld, insbesondere fuer kernspin-untersuchungsgeraete
US4725801A (en) * 1986-10-24 1988-02-16 Hamilton Standard Controls, Inc. Bistable solenoid switch

Also Published As

Publication number Publication date
EP0316901A3 (en) 1991-03-27
JPH01131651A (ja) 1989-05-24
DE3889425T2 (de) 1994-08-25
DE3889425D1 (de) 1994-06-09
EP0316901A2 (en) 1989-05-24
JPH0464259B2 (enExample) 1992-10-14
KR890008875A (ko) 1989-07-12
EP0316901B1 (en) 1994-05-04
US4954924A (en) 1990-09-04

Similar Documents

Publication Publication Date Title
US5877664A (en) Magnetic proximity switch system
US7896303B2 (en) Container holder
US20050052265A1 (en) Linear switch actuator
JP2001176369A (ja) 可動電極と固定電極を有するデバイスの駆動装置
US5546063A (en) Magnetic field solenoid
KR910006237B1 (ko) 고자장에서 사용되는 스위치
US4965542A (en) Magnetic switch for coaxial transmission lines
US20050264387A1 (en) Bi-stable trip-free relay configuration
US5929731A (en) Balanced magnetic proximity switch assembly
US5554961A (en) Energy efficient electromagnetic circuit
US6781259B2 (en) Electrical appartus having an actuator
JPH02208905A (ja) ソレノイドアクチュエータ
US20020196110A1 (en) Reconfigurable power transistor using latching micromagnetic switches
CA2521688A1 (en) System and method for reducing effect of magnetic fields on a magnetic transducer
US4038620A (en) Magnetic reed switch
US3290625A (en) Yig filter
US2917719A (en) High speed waveguide switch
JPH02135638A (ja) スイッチ
US4325042A (en) Thermo-magnetically operated switches having two different operating temperatures
WO1997042709A1 (en) Magnetic proximity switch system
US3214646A (en) Torque motor
US5268660A (en) Quadrant driver for microwave switches
US20040145424A1 (en) Switchable circulator
US4814732A (en) Magnetic latching actuator
US20130200964A1 (en) Security switch

Legal Events

Date Code Title Description
A201 Request for examination
PA0109 Patent application

St.27 status event code: A-0-1-A10-A12-nap-PA0109

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

G160 Decision to publish patent application
PG1605 Publication of application before grant of patent

St.27 status event code: A-2-2-Q10-Q13-nap-PG1605

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U11-oth-PR1002

Fee payment year number: 1

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 5

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 6

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 7

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 8

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

PN2301 Change of applicant

St.27 status event code: A-5-5-R10-R13-asn-PN2301

St.27 status event code: A-5-5-R10-R11-asn-PN2301

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 9

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 10

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 11

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 12

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 13

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 14

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 15

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 16

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 17

FPAY Annual fee payment

Payment date: 20080725

Year of fee payment: 18

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 18

EXPY Expiration of term
PC1801 Expiration of term

St.27 status event code: N-4-6-H10-H14-oth-PC1801

Not in force date: 20081115

Ip right cessation event data comment text: Termination Category : EXPIRATION_OF_DURATION

P22-X000 Classification modified

St.27 status event code: A-4-4-P10-P22-nap-X000

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000