FR30911E - Tube à rayons chi et dispositif destiné à la faire fonctionner - Google Patents

Tube à rayons chi et dispositif destiné à la faire fonctionner

Info

Publication number: FR30911E
Authority: FR; France
Prior art keywords: chi; operating; ray tube; ray; tube
Prior art date: 1922-12-06
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

Other languages

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Koninklijke Philips NV

Original Assignee

Philips Gloeilampenfabrieken NV

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.)

1922-12-06

Filing date

1925-09-02

Publication date

1926-10-05

1925-09-02 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1926-10-05 Application granted granted Critical

1926-10-05 Publication of FR30911E publication Critical patent/FR30911E/fr

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/02—Details
- 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
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21K—HANDLING OF PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
- G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
- G21K1/02—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
- G21K1/04—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/02—Details
- H01J35/16—Vessels; Containers; Shields associated therewith

Landscapes

Physics & Mathematics (AREA)
Spectroscopy & Molecular Physics (AREA)
Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
High Energy & Nuclear Physics (AREA)
X-Ray Techniques (AREA)
Apparatus For Radiation Diagnosis (AREA)

FR30911D 1922-12-06 1925-09-02 Tube à rayons chi et dispositif destiné à la faire fonctionner Expired FR30911E (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
NL23340T		1922-12-06
NL16795T		1924-11-20

Publications (1)

Publication Number	Publication Date
FR30911E true FR30911E (fr)	1926-10-05

Family

ID=31949624

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR30911D Expired FR30911E (fr)	1922-12-06	1925-09-02	Tube à rayons chi et dispositif destiné à la faire fonctionner

Country Status (5)

Country	Link
CH (1)	CH116523A (fr)
DE (1)	DE491802C (fr)
FR (1)	FR30911E (fr)
GB (1)	GB243310A (fr)
NL (1)	NL16795C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1042142B (de) *	1956-01-02	1958-10-30	Licentia Gmbh	Hochstromroentgenroehre mit Membrananode

1924
- 1924-11-20 NL NL16795D patent/NL16795C/xx active
1925
- 1925-06-30 GB GB16781/25A patent/GB243310A/en not_active Expired
- 1925-07-22 DE DEN24845A patent/DE491802C/de not_active Expired
- 1925-09-02 FR FR30911D patent/FR30911E/fr not_active Expired
- 1925-09-03 CH CH116523D patent/CH116523A/de unknown

Also Published As

Publication number	Publication date
GB243310A (en)	1925-12-17
CH116523A (de)	1926-09-01
DE491802C (de)	1930-02-27
NL16795C (fr)	1927-09-15

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