FR897226A - Electric toric lens for electronic optical device - Google Patents

Electric toric lens for electronic optical device

Info

Publication number
FR897226A
FR897226A FR897226DA FR897226A FR 897226 A FR897226 A FR 897226A FR 897226D A FR897226D A FR 897226DA FR 897226 A FR897226 A FR 897226A
Authority
FR
France
Prior art keywords
optical device
toric lens
electronic optical
electric
electric toric
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
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 FR897226A publication Critical patent/FR897226A/en
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
    • H01J29/62—Electrostatic lenses
    • H01J29/626—Electrostatic lenses producing fields exhibiting periodic axial symmetry, e.g. multipolar fields
FR897226D 1942-04-16 1943-08-13 Electric toric lens for electronic optical device Expired FR897226A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE236860X 1942-04-16

Publications (1)

Publication Number Publication Date
FR897226A true FR897226A (en) 1945-03-15

Family

ID=5902778

Family Applications (1)

Application Number Title Priority Date Filing Date
FR897226D Expired FR897226A (en) 1942-04-16 1943-08-13 Electric toric lens for electronic optical device

Country Status (2)

Country Link
CH (2) CH245208A (en)
FR (1) FR897226A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2973433A (en) * 1957-01-03 1961-02-28 Philips Corp Method and device for adjusting the excitation of a stigmator in electronmicroscopes
EP0241218A2 (en) * 1986-04-03 1987-10-14 Mitsubishi Denki Kabushiki Kaisha Cathode ray tube apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2973433A (en) * 1957-01-03 1961-02-28 Philips Corp Method and device for adjusting the excitation of a stigmator in electronmicroscopes
EP0241218A2 (en) * 1986-04-03 1987-10-14 Mitsubishi Denki Kabushiki Kaisha Cathode ray tube apparatus
EP0241218A3 (en) * 1986-04-03 1988-11-02 Mitsubishi Denki Kabushiki Kaisha Cathode ray tube apparatus
US4886999A (en) * 1986-04-03 1989-12-12 Mitsubishi Denki Kabushiki Kaishi Cathode ray tube apparatus with quadrupole electrode structure

Also Published As

Publication number Publication date
CH245208A (en) 1946-10-31
CH236860A (en) 1945-03-15

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