FR894072A - Toric lens for electrical particle rays - Google Patents

Toric lens for electrical particle rays

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
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/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/56Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/58Arrangements for focusing or reflecting ray or beam
FR894072D 1941-09-26 1943-04-17 Toric lens for electrical particle rays Expired FR894072A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES147113D DE761193C (en) 1941-09-26 1941-09-26 Toric lens for electrical corpuscular rays

Publications (1)

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

Family

ID=5903112

Family Applications (1)

Application Number Title Priority Date Filing Date
FR894072D Expired FR894072A (en) 1941-09-26 1943-04-17 Toric lens for electrical particle rays

Country Status (3)

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

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
CH237488A (en) 1945-04-30
DE761193C (en) 1953-08-24

Similar Documents

Publication Publication Date Title
FR974126A (en) Auxiliary device for sockets
FR894072A (en) Toric lens for electrical particle rays
FR972402A (en) Multifocal lens for eyewear
FR866758A (en) Shutter for various uses
FR974594A (en) Charger for cameras
FR889990A (en) Frame for glasses
FR874539A (en) Chargers for portable electric lights
AU114506B2 (en) Improvement in photographic lenses
CA401911A (en) Lens
FR892450A (en) Hinge for glasses
CA400414A (en) Lens mount
CA401628A (en) Photographic objective
CA401627A (en) Photographic objective
FR880158A (en) Enlarger
AU99641A (en) Improvement in photographic lenses
CA394457A (en) Photographic developer
CA393900A (en) Eye-glasses
CA399753A (en) Photographic bath
CA397334A (en) Naphthenic resin
FR880298A (en) Ultra-shortwave lamps
CA392236A (en) Light projecting device
CA387615A (en) Opthalmic lens
FR51853E (en) Chargers for portable electric lights
FR889380A (en) Photographic lenses
CH258025A (en) Winder-gluer for cinematographic films.