JPH08233839A5 - - Google Patents

Info

Publication number
JPH08233839A5
JPH08233839A5 JP1995322059A JP32205995A JPH08233839A5 JP H08233839 A5 JPH08233839 A5 JP H08233839A5 JP 1995322059 A JP1995322059 A JP 1995322059A JP 32205995 A JP32205995 A JP 32205995A JP H08233839 A5 JPH08233839 A5 JP H08233839A5
Authority
JP
Japan
Prior art keywords
signal
motor
keying
frequency
circuit
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.)
Granted
Application number
JP1995322059A
Other languages
English (en)
Japanese (ja)
Other versions
JPH08233839A (ja
JP4030606B2 (ja
Filing date
Publication date
Priority claimed from DE4444361A external-priority patent/DE4444361A1/de
Application filed filed Critical
Publication of JPH08233839A publication Critical patent/JPH08233839A/ja
Publication of JPH08233839A5 publication Critical patent/JPH08233839A5/ja
Application granted granted Critical
Publication of JP4030606B2 publication Critical patent/JP4030606B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

JP32205995A 1994-12-14 1995-12-11 X線管の回転式アノードの駆動モータの回転速度の監視装置 Expired - Fee Related JP4030606B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4444361:7 1994-12-14
DE4444361A DE4444361A1 (de) 1994-12-14 1994-12-14 Verfahren zur Überwachung der Drehzahl eines Induktionsmotors

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2007032440A Division JP2007209194A (ja) 1994-12-14 2007-02-13 X線管の回転式アノードの駆動モータの回転速度の監視装置

Publications (3)

Publication Number Publication Date
JPH08233839A JPH08233839A (ja) 1996-09-13
JPH08233839A5 true JPH08233839A5 (enExample) 2007-05-10
JP4030606B2 JP4030606B2 (ja) 2008-01-09

Family

ID=6535687

Family Applications (2)

Application Number Title Priority Date Filing Date
JP32205995A Expired - Fee Related JP4030606B2 (ja) 1994-12-14 1995-12-11 X線管の回転式アノードの駆動モータの回転速度の監視装置
JP2007032440A Pending JP2007209194A (ja) 1994-12-14 2007-02-13 X線管の回転式アノードの駆動モータの回転速度の監視装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2007032440A Pending JP2007209194A (ja) 1994-12-14 2007-02-13 X線管の回転式アノードの駆動モータの回転速度の監視装置

Country Status (4)

Country Link
US (1) US5774625A (enExample)
EP (1) EP0717285B1 (enExample)
JP (2) JP4030606B2 (enExample)
DE (2) DE4444361A1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19752114A1 (de) * 1997-11-25 1999-05-27 Philips Patentverwaltung Antriebsvorrichtung für eine Röntgen-Drehanode sowie Verfahren zur Steuerung der Antriebsvorrichtung
DE19910014A1 (de) * 1999-03-08 2000-09-21 Siemens Ag Drehanodenröhre mit einer Drehzahlmeßeinrichtung
JP4213894B2 (ja) * 2002-01-25 2009-01-21 株式会社日立メディコ X線管装置及びこれを用いたx線発生装置並びにx線画像診断装置
US20130279656A1 (en) * 2012-04-19 2013-10-24 Canon Kabushiki Kaisha Radiation imaging apparatus, radiation imaging system, method of controlling radiation imaging apparatus and storage medium
JP2016038965A (ja) * 2014-08-06 2016-03-22 株式会社日立メディコ X線装置およびその制御方法
US11051388B2 (en) * 2018-06-30 2021-06-29 Varex Imaging Corporation X-ray tube diagnostic system including a circuit to generate a phase signal and/or an indication of a status of a motor
US11523793B2 (en) 2020-05-08 2022-12-13 GE Precision Healthcare LLC Methods for x-ray tube rotors with speed and/or position control
US11309160B2 (en) 2020-05-08 2022-04-19 GE Precision Healthcare LLC Methods and systems for a magnetic motor X-ray assembly

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4225787A (en) * 1977-11-02 1980-09-30 The Machlett Laboratories, Inc. X-ray tube control system
US4355276A (en) * 1979-04-11 1982-10-19 Medicor Muvek Apparatus for supplying high power electric loads operated in a pulse-like manner, especially for X-ray equipment
DE3123407A1 (de) * 1981-06-12 1983-01-05 Siemens AG, 1000 Berlin und 8000 München Roentgendiagnostikgenerator mit einer drehanodenroentgenroehre
US5010287A (en) * 1988-02-24 1991-04-23 Matsushita Electric Works, Ltd. Induction motor control system
US5140246A (en) * 1990-03-06 1992-08-18 Picker International, Inc. High performance high speed starter for an x-ray tube rotor
DE9006860U1 (de) * 1990-06-19 1990-08-23 Philips Patentverwaltung GmbH, 22335 Hamburg Einrichtung für einen Drehanodenantriebsmotor einer Röntgenröhre zur Bildung eines das Erreichen einer Mindestdrehzahl anzeigenden Signals
US5212437A (en) * 1991-08-02 1993-05-18 Picker International, Inc. High speed starter operations monitor

Similar Documents

Publication Publication Date Title
JP2007209194A (ja) X線管の回転式アノードの駆動モータの回転速度の監視装置
US6741059B2 (en) Controller for a wound rotor slip ring induction machine
US8624532B2 (en) System and method for synchronizing sinusoidal drive to permanent magnet motor without distorting drive voltage
US5659231A (en) Brake for DC brushless motor
WO1998006168A1 (en) A position and velocity sensorless control for a motor generator system operated as a motor using exciter impedance
US5047699A (en) VSCF start system motor current estimator
JPH08233839A5 (enExample)
CN211429147U (zh) 一种用于永磁同步电机的旋变调零系统
CN100359798C (zh) 控制双输送机的方法
JPS6031431Y2 (ja) 可変速度誘導モ−タ用すべり周波数制御装置
FI92115C (fi) Menetelmä invertterisyötetyn oikosulkukoneen jäännösvuon määrittämiseksi
EP0994561B1 (en) Method for restarting a synchronous permanent magnet motor still rotating
US4967132A (en) VSCF start system current estimator
US4065703A (en) Pulse excitation torque amplifier
JPH073839Y2 (ja) モ−タの回転数制御装置
CN209803299U (zh) 一种性能测试设备
JPS6364160B2 (enExample)
JP3221686B2 (ja) モータ速度制御用信号発生装置
JP3576827B2 (ja) 同期電動機の回転子位置推定装置
JP3512275B2 (ja) 誘導電動機の速度制御方法
JPS6311916Y2 (enExample)
JP2003506002A (ja) トルクの不規則性を低減するために電子的に整流される直流モータを備えた電気的ドライブ装置
JPH1080178A (ja) 直流ブラシレスモータ駆動回路
JP2004202092A (ja) X線コンピュータ断層撮影装置
JPH0349596A (ja) リラクタンスモータの制御回路