GB374913A - Improvements in and relating to x-ray equipments - Google Patents

Improvements in and relating to x-ray equipments

Info

Publication number
GB374913A
GB374913A GB5423/31A GB542331A GB374913A GB 374913 A GB374913 A GB 374913A GB 5423/31 A GB5423/31 A GB 5423/31A GB 542331 A GB542331 A GB 542331A GB 374913 A GB374913 A GB 374913A
Authority
GB
United Kingdom
Prior art keywords
tube
current
filament
transformer
focal spot
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
GB5423/31A
Other languages
English (en)
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co Ltd
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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB374913A publication Critical patent/GB374913A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05G—X-RAY TECHNIQUE
    • H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08—Electrical details
    • H05G1/26—Measuring, controlling or protecting
    • H05G1/30—Controlling
    • H05G1/52—Target size or shape; Direction of electron beam, e.g. in tubes with one anode and more than one cathode
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F99/00—Subject matter not provided for in other groups of this subclass

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • X-Ray Techniques (AREA)
GB5423/31A 1930-02-21 1931-02-20 Improvements in and relating to x-ray equipments Expired GB374913A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US430418A US1946287A (en) 1930-02-21 1930-02-21 X-ray equipment

Publications (1)

Publication Number Publication Date
GB374913A true GB374913A (en) 1932-06-20

Family

ID=23707477

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5423/31A Expired GB374913A (en) 1930-02-21 1931-02-20 Improvements in and relating to x-ray equipments

Country Status (3)

Country Link
US (1) US1946287A (enrdf_load_stackoverflow)
BE (1) BE377546A (enrdf_load_stackoverflow)
GB (1) GB374913A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4594630A (en) * 1980-06-02 1986-06-10 Electric Power Research Institute, Inc. Emission controlled current limiter for use in electric power transmission and distribution

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2421994A (en) * 1943-03-23 1947-06-10 Gen Electric Electric valve system
US2518539A (en) * 1944-09-27 1950-08-15 Picker X Ray Corp Waite Mfg Filament current stabilizer
US2878393A (en) * 1955-01-12 1959-03-17 Picker X Ray Corp Waite Mfg X-ray tube with variable focal spot and control means therefor
US4104530A (en) * 1976-04-01 1978-08-01 Thoro-Ray Inc. Dental and medical X-ray apparatus
DE3025107A1 (de) * 1980-07-02 1982-01-14 Siemens AG, 1000 Berlin und 8000 München Roentgendiagnostikeinrichtung fuer aufnahme und durchleuchtung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4594630A (en) * 1980-06-02 1986-06-10 Electric Power Research Institute, Inc. Emission controlled current limiter for use in electric power transmission and distribution

Also Published As

Publication number Publication date
US1946287A (en) 1934-02-06
BE377546A (enrdf_load_stackoverflow) 1931-03-31

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