FR851212A - Tubes à rayons x pour l'examen des corps creux - Google Patents

Tubes à rayons x pour l'examen des corps creux

Info

Publication number
FR851212A
FR851212A FR851212DA FR851212A FR 851212 A FR851212 A FR 851212A FR 851212D A FR851212D A FR 851212DA FR 851212 A FR851212 A FR 851212A
Authority
FR
France
Prior art keywords
examination
hollow bodies
ray tubes
tubes
ray
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
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Application granted granted Critical
Publication of FR851212A publication Critical patent/FR851212A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/62—Electrostatic lenses
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/32—Tubes wherein the X-rays are produced at or near the end of the tube or a part thereof which tube or part has a small cross-section to facilitate introduction into a small hole or cavity
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B19/00—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source
    • H03B19/06—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source by means of discharge device or semiconductor device with more than two electrodes
    • H03B19/08—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source by means of discharge device or semiconductor device with more than two electrodes by means of a discharge device
    • H03B19/10—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source by means of discharge device or semiconductor device with more than two electrodes by means of a discharge device using multiplication only
FR851212D 1938-03-06 1939-03-04 Tubes à rayons x pour l'examen des corps creux Expired FR851212A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1938A0086040 DE696419C (de) 1938-03-06 1938-03-06 Roentgenroehre fuer Hohlkoerperdurchleuchtung

Publications (1)

Publication Number Publication Date
FR851212A true FR851212A (fr) 1940-01-05

Family

ID=25944756

Family Applications (1)

Application Number Title Priority Date Filing Date
FR851212D Expired FR851212A (fr) 1938-03-06 1939-03-04 Tubes à rayons x pour l'examen des corps creux

Country Status (3)

Country Link
DE (1) DE696419C (fr)
FR (1) FR851212A (fr)
NL (1) NL55885C (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE973486C (de) * 1950-12-06 1960-03-03 Elektronik Ges Mit Beschraenkt Elektronenroehre fuer laengs einer wendelfoermigen Verzoegerungsleitung fortschreitende sehr kurze elektromagnetische Wellen
GB730803A (en) * 1951-11-08 1955-06-01 Licentia Gmbh Improvements in and relating to x-ray tubes
DE973337C (de) * 1951-11-08 1960-01-28 Licentia Gmbh Roentgenroehre fuer punktfoermigen Brennfleck

Also Published As

Publication number Publication date
NL55885C (fr) 1944-03-15
DE696419C (de) 1940-09-20

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