CH310959A - Magnetic electron lens. - Google Patents

Magnetic electron lens.

Info

Publication number: CH310959A
Authority: CH; Switzerland
Prior art keywords: electron lens; magnetic electron; magnetic; lens; electron
Prior art date: 1952-01-04

Application number

Other languages

German (de)

Inventor

Gloeilampenfabrieken N Philips

Original Assignee

Philips Nv

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.)

1952-01-04

Filing date

1952-12-31

Publication date

1955-11-15

1952-12-31 Application filed by Philips Nv filed Critical Philips Nv

1955-11-15 Publication of CH310959A publication Critical patent/CH310959A/en

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
- H01J29/68—Magnetic lenses using permanent magnets only

CH310959D 1952-01-04 1952-12-31 Magnetic electron lens. CH310959A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL310959X		1952-01-04

Publications (1)

Publication Number	Publication Date
CH310959A true CH310959A (en)	1955-11-15

Family

ID=19783636

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH310959D CH310959A (en)	1952-01-04	1952-12-31	Magnetic electron lens.

Country Status (7)

Country	Link
US (1)	US2849636A (en)
BE (1)	BE516722A (en)
CH (1)	CH310959A (en)
DE (1)	DE976927C (en)
FR (1)	FR1069392A (en)
GB (1)	GB729840A (en)
NL (2)	NL166477B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3324433A (en) *	1963-12-27	1967-06-06	Hitachi Ltd	Electron lens system excited by at least one permanent magnet
US3387158A (en) *	1965-04-14	1968-06-04	Sony Corp	Focus magnet assembly for cathode ray tubes
US3354336A (en) *	1965-06-30	1967-11-21	Zenith Radio Corp	Ring magnetized across thickness with two diametrically opposed and oppositely oriented groups of magnetic pole pairs
NL7812540A (en) *	1978-12-27	1980-07-01	Philips Nv	CATHED BEAM TUBE.
NL8700528A (en) *	1987-03-05	1988-10-03	Philips Nv	MAGNETIC FOCUSING LENS FOR A CATHODE BEAM.
CN103890442B (en) *	2011-09-10	2015-12-02	本田技研工业株式会社	Variable damper
EP3749065B1 (en) *	2019-03-27	2022-08-17	Huazhong University of Science and Technology	Electron radiation system

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2102421A (en) *	1934-07-12	1937-12-14	Gen Electric	Cathode ray oscillograph
FR796502A (en) *	1934-10-19	1936-04-09	Fernseh Ag	Magnet now the straight ray in the braun tubes
DE682031C (en) *	1936-09-11	1939-10-06	Aeg	Rotationally symmetric magnetic electron lens made of permanent magnets
DE720927C (en) *	1937-02-25	1942-05-19	Telefunken Gmbh	Magnetic electron lens
DE688644C (en) *	1937-05-29	1940-02-27	Aeg	r coaxial partial lenses
GB522377A (en) *	1938-12-07	1940-06-17	Ferranti Ltd	Improvements in or relating to focusing systems for electron beams
DE758548C (en) *	1939-02-10	1953-05-26	Telefunken Gmbh	Magnetic electron lens without image rotation
NL147275B (en) *	1948-07-01		Plessey Uk Limited	ELECTRIC TORQUE SWITCH FOR PUSH-BUTTON CONTROL.
US2582788A (en) *	1949-02-01	1952-01-15	Gen Electric	Magnetic suspension for horizontal shafts
US2564737A (en) *	1949-12-23	1951-08-21	Rauland Corp	Cathode-ray tube
US2615738A (en) *	1950-03-18	1952-10-28	Bailey Meter Co	Linkage connector
US2565533A (en) *	1950-05-19	1951-08-28	Rauland Corp	Cathode-ray tube
US2714678A (en) *	1950-09-03	1955-08-02	Siemens Ag	Electron microscopes
BE503996A (en) *	1950-12-12
US2722617A (en) *	1951-11-28	1955-11-01	Hartford Nat Bank & Trust Comp	Magnetic circuits and devices
NL87140C (en) *	1954-03-05

0
- NL NL87342D patent/NL87342C/xx active
- NL NL7207424.A patent/NL166477B/en unknown
- BE BE516722D patent/BE516722A/xx unknown
1952
- 1952-11-28 US US322962A patent/US2849636A/en not_active Expired - Lifetime
- 1952-12-31 CH CH310959D patent/CH310959A/en unknown
1953
- 1953-01-01 DE DEN6578A patent/DE976927C/en not_active Expired
- 1953-01-01 GB GB49/53A patent/GB729840A/en not_active Expired
- 1953-01-02 FR FR1069392D patent/FR1069392A/en not_active Expired

Also Published As

Publication number	Publication date
FR1069392A (en)	1954-07-07
NL166477B (en)
US2849636A (en)	1958-08-26
BE516722A (en)
NL87342C (en)
DE976927C (en)	1964-08-06
GB729840A (en)	1955-05-11

Publication	Publication Date	Title
CH336867A (en)	1959-03-15	Magnetic switching arrangement
CH325278A (en)	1957-10-31	electron microscope
CH324520A (en)	1957-09-30	Magnetic switching arrangement
CH307659A (en)	1955-06-15	Projectile.
CH297054A (en)	1954-03-15	Projectile.
CH303109A (en)	1954-11-15	Television projector.
CH310959A (en)	1955-11-15	Magnetic electron lens.
CH316013A (en)	1956-09-15	Magnetic electron lens
CH309689A (en)	1955-09-15	Electromagnetic switch.
CH315730A (en)	1956-08-31	electron microscope
CH312320A (en)	1955-12-31	Harmonica-like bellows.
CH312152A (en)	1955-12-31	Camiciotto.
NL180272B (en)		ALTERNATE LIST.
CH318309A (en)	1956-12-31	Cathode
AT178387B (en)	1954-05-10	Magnetic electron lens
DK81194C (en)	1956-10-01	Magnetic electron lens.
CH310448A (en)	1955-10-31	Stage.
DK83553C (en)	1957-09-30	Adjustable magnetic electron lens.
DK82537C (en)	1957-03-18	Coil.
NL178823B (en)		MAGNETIC TAPE UNIT.
AT185472B (en)	1956-05-11	cathode
CH320915A (en)	1957-04-15	cathode
FR1069344A (en)	1954-07-06	Improved magnetic circuit
DK86390C (en)	1958-10-20	Magnetic electron lens.
CH310061A (en)	1955-09-30	Electron slingshot.