FR894072A - Lentille torique pour rayons corpusculaires électriques - Google Patents

Lentille torique pour rayons corpusculaires électriques

Info

Publication number
FR894072A
FR894072A FR894072DA FR894072A FR 894072 A FR894072 A FR 894072A FR 894072D A FR894072D A FR 894072DA FR 894072 A FR894072 A FR 894072A
Authority
FR
France
Prior art keywords
toric lens
particle rays
electrical particle
electrical
rays
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)
French (fr)
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.)
Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH
Original Assignee
Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH
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 Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH filed Critical Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH
Application granted granted Critical
Publication of FR894072A publication Critical patent/FR894072A/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
    • H01J29/56—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses
    • 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
FR894072D 1941-09-26 1943-04-17 Lentille torique pour rayons corpusculaires électriques Expired FR894072A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES147113D DE761193C (de) 1941-09-26 1941-09-26 Torische Linse fuer elektrische Korpuskularstrahlen

Publications (1)

Publication Number Publication Date
FR894072A true FR894072A (fr) 1944-12-13

Family

ID=5903112

Family Applications (1)

Application Number Title Priority Date Filing Date
FR894072D Expired FR894072A (fr) 1941-09-26 1943-04-17 Lentille torique pour rayons corpusculaires électriques

Country Status (3)

Country Link
CH (1) CH237488A (de)
DE (1) DE761193C (de)
FR (1) FR894072A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3205391A (en) * 1957-11-18 1965-09-07 Multi Tron Lab Inc Negative-lens type deflection magnifying means for electron beam in cathode ray tubes
US3154710A (en) * 1958-11-13 1964-10-27 Motorola Inc Cathode-ray display system having electrostatic magnifying lens

Also Published As

Publication number Publication date
DE761193C (de) 1953-08-24
CH237488A (de) 1945-04-30

Similar Documents

Publication Publication Date Title
FR974126A (fr) Dispositif auxiliaire pour prises de courant
FR894072A (fr) Lentille torique pour rayons corpusculaires électriques
FR972402A (fr) Verre multifocal pour la lunetterie
FR866758A (fr) Obturateur pour usages divers
FR974594A (fr) Chargeur pour appareils photographiques
FR874539A (fr) Chargeurs pour lampes électriques portatives
AU114506B2 (en) Improvement in photographic lenses
CA401911A (en) Lens
FR892450A (fr) Charnière pour lunettes
CA386431A (en) Bi-focal lens
CA400414A (en) Lens mount
CA401627A (en) Photographic objective
CA401628A (en) Photographic objective
FR880158A (fr) Agrandisseur
AU99641A (en) Improvement in photographic lenses
CA394457A (en) Photographic developer
CA393900A (en) Eye-glasses
CA399753A (en) Photographic bath
CA397334A (en) Naphthenic resin
FR880298A (fr) Lampes pour ondes ultra-courtes
CA392236A (en) Light projecting device
CA387615A (en) Opthalmic lens
FR51853E (fr) Chargeurs pour lampes électriques portatives
FR889380A (fr) Objectifs photographiques
CH258025A (fr) Enrouleuse-colleuse pour films cinématographiques.