FR871483A - Improvements to non-rotating electronic lenses - Google Patents

Improvements to non-rotating electronic lenses

Info

Publication number
FR871483A
FR871483A FR871483DA FR871483A FR 871483 A FR871483 A FR 871483A FR 871483D A FR871483D A FR 871483DA FR 871483 A FR871483 A FR 871483A
Authority
FR
France
Prior art keywords
rotating electronic
electronic lenses
lenses
rotating
electronic
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.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie 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 Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Application granted granted Critical
Publication of FR871483A publication Critical patent/FR871483A/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
    • H01J29/64—Magnetic lenses
FR871483D 1939-02-10 1941-04-11 Improvements to non-rotating electronic lenses Expired FR871483A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE871483X 1939-02-10

Publications (1)

Publication Number Publication Date
FR871483A true FR871483A (en) 1942-04-27

Family

ID=6813866

Family Applications (1)

Application Number Title Priority Date Filing Date
FR871483D Expired FR871483A (en) 1939-02-10 1941-04-11 Improvements to non-rotating electronic lenses

Country Status (1)

Country Link
FR (1) FR871483A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2533689A (en) * 1950-06-28 1950-12-12 Quam Nichols Company Magnetic focusing device
US2533688A (en) * 1950-01-31 1950-12-12 Quam Nichols Company Focusing device
US2533687A (en) * 1949-05-27 1950-12-12 Quam Nichols Company Magnetic focusing device
US2592185A (en) * 1950-12-09 1952-04-08 Quam Nichols Company Focusing device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2533687A (en) * 1949-05-27 1950-12-12 Quam Nichols Company Magnetic focusing device
US2533688A (en) * 1950-01-31 1950-12-12 Quam Nichols Company Focusing device
US2533689A (en) * 1950-06-28 1950-12-12 Quam Nichols Company Magnetic focusing device
US2592185A (en) * 1950-12-09 1952-04-08 Quam Nichols Company Focusing device

Similar Documents

Publication Publication Date Title
FR869013A (en) Improvements to electronic speed modulation tubes
FR871483A (en) Improvements to non-rotating electronic lenses
FR862003A (en) Improvements to doctors
FR855155A (en) Improvements to gyroscopes
FR862062A (en) Improvements to centrifugal pumps
FR855779A (en) Improvements to skis
FR850685A (en) Improvements to rotary pumps
FR859274A (en) Improvements to gear changes
FR848755A (en) Bicycle
FR834575A (en) Improvements to rotary electroplating barrels
FR861357A (en) Improvements to aerodynes
FR858684A (en) Improvements to rotary wings
FR855251A (en) Improvements to centrifugal pumps
FR868842A (en) Recording tachometer
FR863774A (en) Improvements to constructions
FR853990A (en) Improvements made to bearings
FR870420A (en) Improvements made to shredders
FR858703A (en) Improvements to bearings
FR860748A (en) Improvements to sealed bearings
FR864637A (en) Centrifuge improvements
FR855008A (en) Improvements made to heliographic machines
FR870804A (en) Improvements made to dyname-electric machines
FR848639A (en) Improvements to drills
FR870621A (en) Improvements to gear changes
FR865845A (en) Improvements to bicycles