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
Links
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)
| 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)
| 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 |
-
1994
- 1994-12-14 DE DE4444361A patent/DE4444361A1/de not_active Withdrawn
-
1995
- 1995-12-05 DE DE59510606T patent/DE59510606D1/de not_active Expired - Lifetime
- 1995-12-05 EP EP95203347A patent/EP0717285B1/de not_active Expired - Lifetime
- 1995-12-11 JP JP32205995A patent/JP4030606B2/ja not_active Expired - Fee Related
- 1995-12-13 US US08/571,505 patent/US5774625A/en not_active Expired - Lifetime
-
2007
- 2007-02-13 JP JP2007032440A patent/JP2007209194A/ja active Pending
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