IT1178354B - Tubo per raggi x a punto focale regolabile - Google Patents
Tubo per raggi x a punto focale regolabileInfo
- Publication number
- IT1178354B IT1178354B IT49351/83A IT4935183A IT1178354B IT 1178354 B IT1178354 B IT 1178354B IT 49351/83 A IT49351/83 A IT 49351/83A IT 4935183 A IT4935183 A IT 4935183A IT 1178354 B IT1178354 B IT 1178354B
- Authority
- IT
- Italy
- Prior art keywords
- ray tube
- focal point
- adjustable focal
- adjustable
- ray
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/02—Details
- H01J35/14—Arrangements for concentrating, focusing, or directing the cathode ray
- H01J35/153—Spot position control
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/02—Details
- H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor
- H01J35/06—Cathodes
- H01J35/066—Details of electron optical components, e.g. cathode cups
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/02—Details
- H01J35/14—Arrangements for concentrating, focusing, or directing the cathode ray
- H01J35/147—Spot size control
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US44396382A | 1982-11-23 | 1982-11-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8349351A0 IT8349351A0 (it) | 1983-11-17 |
IT1178354B true IT1178354B (it) | 1987-09-09 |
Family
ID=23762917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT49351/83A IT1178354B (it) | 1982-11-23 | 1983-11-17 | Tubo per raggi x a punto focale regolabile |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS59149642A (it) |
DE (1) | DE3342127A1 (it) |
FR (1) | FR2536583B1 (it) |
IL (1) | IL70210A (it) |
IT (1) | IT1178354B (it) |
NL (1) | NL192549C (it) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2538948B3 (fr) * | 1982-12-30 | 1985-10-18 | Thomson Csf | Tube a rayons x a balayage |
US4698835A (en) * | 1984-05-31 | 1987-10-06 | Kabushiki Kaisha Toshiba | X-ray tube apparatus |
FR2572215A1 (fr) * | 1984-10-19 | 1986-04-25 | Thomson Cgr | Dispositif radiologique a asservissement de position de foyer suivant un axe d'asservissement donne |
US4764947A (en) * | 1985-12-04 | 1988-08-16 | The Machlett Laboratories, Incorporated | Cathode focusing arrangement |
FR2644931A1 (fr) * | 1989-03-24 | 1990-09-28 | Gen Electric Cgr | Tube a rayons x a balayage avec plaques de deflexion |
FR2671229B1 (fr) * | 1990-12-28 | 1993-03-19 | Gen Electric Cgr | Procede, tube et systeme pour eliminer une grille anti-diffusante fixe dans une image radiologique. |
EP1449231B1 (en) * | 2001-11-20 | 2010-06-23 | Koninklijke Philips Electronics N.V. | X-ray tube cathode cup structure for focal spot deflection |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3250916A (en) * | 1963-06-14 | 1966-05-10 | Machlett Lab Inc | Stereo x-ray device |
US4048496A (en) * | 1972-05-08 | 1977-09-13 | Albert Richard D | Selectable wavelength X-ray source, spectrometer and assay method |
US3783323A (en) * | 1972-08-30 | 1974-01-01 | Picker Corp | X-ray tube having focusing cup with non-emitting coating |
DE2437119A1 (de) * | 1974-08-01 | 1976-02-12 | Siemens Ag | Roentgenroehre |
US3962583A (en) * | 1974-12-30 | 1976-06-08 | The Machlett Laboratories, Incorporated | X-ray tube focusing means |
CA1108062A (en) * | 1977-07-18 | 1981-09-01 | Rudolph A. Morgenfruh | Automatically colour printing control device |
DE2821597A1 (de) * | 1978-05-17 | 1979-11-22 | Siemens Ag | Verwendung eines systems zur erzeugung eines elektronenflachstrahls mit rein elektrostatischer fokussierung in einer roentgenroehre |
JPS5568056A (en) * | 1978-11-17 | 1980-05-22 | Hitachi Ltd | X-ray tube |
DE3001141A1 (de) * | 1980-01-14 | 1981-07-16 | Siemens AG, 1000 Berlin und 8000 München | Kathodenanordnung fuer eine roentgenroehre |
US4334153A (en) * | 1980-09-29 | 1982-06-08 | General Electric Company | X-Ray tube grid bias supply |
-
1983
- 1983-11-13 IL IL70210A patent/IL70210A/xx unknown
- 1983-11-17 IT IT49351/83A patent/IT1178354B/it active
- 1983-11-21 FR FR838318478A patent/FR2536583B1/fr not_active Expired - Lifetime
- 1983-11-22 DE DE19833342127 patent/DE3342127A1/de not_active Ceased
- 1983-11-23 NL NL8304028A patent/NL192549C/nl not_active IP Right Cessation
- 1983-11-24 JP JP58221929A patent/JPS59149642A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH0415982B2 (it) | 1992-03-19 |
NL8304028A (nl) | 1984-06-18 |
DE3342127A1 (de) | 1984-06-07 |
IL70210A0 (en) | 1984-02-29 |
FR2536583A1 (fr) | 1984-05-25 |
IL70210A (en) | 1987-10-20 |
NL192549B (nl) | 1997-05-01 |
FR2536583B1 (fr) | 1990-05-11 |
NL192549C (nl) | 1997-09-02 |
JPS59149642A (ja) | 1984-08-27 |
IT8349351A0 (it) | 1983-11-17 |
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