AT172298B - Electron gun - Google Patents

Electron gun

Info

Publication number: AT172298B
Authority: AT; Austria
Prior art keywords: electron gun; gun; electron
Prior art date: 1949-02-03

Application number

Other languages

German (de)

Inventor

Oskar Heil

Original Assignee

Oskar Heil

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.)

1949-02-03

Filing date

1950-01-20

Publication date

1952-08-25

1950-01-20 Application filed by Oskar Heil filed Critical Oskar Heil

1952-08-25 Application granted granted Critical

1952-08-25 Publication of AT172298B publication Critical patent/AT172298B/en

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J21/00—Vacuum tubes
- H01J21/02—Tubes with a single discharge path
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J21/00—Vacuum tubes
- H01J21/02—Tubes with a single discharge path
- H01J21/06—Tubes with a single discharge path having electrostatic control means only
- H01J21/10—Tubes with a single discharge path having electrostatic control means only with one or more immovable internal control electrodes, e.g. triode, pentode, octode
- H01J21/14—Tubes with means for concentrating the electron stream, e.g. beam tetrode
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
- H01J3/02—Electron guns
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
- H01J3/02—Electron guns
- H01J3/026—Eliminating deleterious effects due to thermal effects, electric or magnetic field
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0029—Electron beam tubes

AT172298D 1949-02-03 1950-01-20 Electron gun AT172298B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US74283A US2518472A (en)	1949-02-03	1949-02-03	Electron gun

Publications (1)

Publication Number	Publication Date
AT172298B true AT172298B (en)	1952-08-25

Family

ID=22118748

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT172298D AT172298B (en)	1949-02-03	1950-01-20	Electron gun

Country Status (6)

Country	Link
US (1)	US2518472A (en)
AT (1)	AT172298B (en)
CH (1)	CH282861A (en)
DE (1)	DE831856C (en)
FR (1)	FR1009449A (en)
NL (1)	NL85535C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE977183C (en) *	1953-05-01	1965-05-20	Telefunken Patent	Electrostatically strong bundling electron beam generation system
DE975107C (en) *	1953-05-15	1961-08-17	Telefunken Patent	Electrostatic lens with rotationally symmetrical electrodes, especially for cathode ray tubes
US3139552A (en) *	1960-03-07	1964-06-30	Hughes Aircraft Co	Charged particle gun with nonspherical emissive surface
US3192425A (en) *	1961-03-06	1965-06-29	Zenith Radio Corp	X-ray tube with adjustable electron beam cross-section
US3916202A (en) *	1974-05-03	1975-10-28	Gen Electric	Lens-grid system for electron tubes

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1979392A (en) *	1931-05-04	1934-11-06	Siemens Ag	Cathode ray tube
US2079163A (en) *	1932-05-31	1937-05-04	Farnsworth Television Inc	Electron gun
NL46608C (en) *	1932-10-21
US2146365A (en) *	1934-12-13	1939-02-07	John C Batchelor	Electron emitter
US2174853A (en) *	1937-08-26	1939-10-03	Hygrade Sylvania Corp	Electron gun structure and method of assembly thereof
US2284389A (en) *	1940-08-31	1942-05-26	Gen Electric	Rectifying system
US2303166A (en) *	1941-01-21	1942-11-24	Bell Telephone Labor Inc	Electron discharge device
US2308800A (en) *	1941-02-15	1943-01-19	Bell Telephone Labor Inc	Electron discharge device

1949
- 1949-02-03 US US74283A patent/US2518472A/en not_active Expired - Lifetime
1950
- 1950-01-17 NL NL151078A patent/NL85535C/xx active
- 1950-01-18 DE DEH1286A patent/DE831856C/en not_active Expired
- 1950-01-20 CH CH282861D patent/CH282861A/en unknown
- 1950-01-20 AT AT172298D patent/AT172298B/en active
- 1950-01-24 FR FR1009449D patent/FR1009449A/en not_active Expired

Also Published As

Publication number	Publication date
US2518472A (en)	1950-08-15
NL85535C (en)	1957-07-15
CH282861A (en)	1952-05-15
DE831856C (en)	1952-02-18
FR1009449A (en)	1952-05-29

Publication	Publication Date	Title
FR985015A (en)	1951-07-13	Projectile
FR1017940A (en)	1952-12-22	Thermionic cathode
CH288012A (en)	1952-12-31	Electron slingshot.
AT172298B (en)	1952-08-25	Electron gun
CH285608A (en)	1952-09-15	Electron slingshot.
FR1008191A (en)	1952-05-14	Projectile
FR993441A (en)	1951-10-31	Sprayer
FR1026810A (en)	1953-05-05	Sprayer
AT167933B (en)	1951-03-27	Rieselwerk
AT171258B (en)	1952-05-10	Rieselwerk
AT170836B (en)	1952-03-25	Electron tube
AT170609B (en)	1952-03-10	Electron tube
FR1017426A (en)	1952-12-10	Magnetron
CH284922A (en)	1952-08-15	Cathode.
FR999614A (en)	1952-02-04	Projection gun
FR979184A (en)	1951-04-23	Projection gun
FI24856A (en)	1951-02-10	Tielana
FR995060A (en)	1951-11-27	Toy gun
FR991810A (en)	1951-10-10	Toy gun
FR984713A (en)	1951-07-10	Toy gun
FR1003434A (en)	1952-03-18	Toy gun
FR988317A (en)	1951-08-27	Electron tube
AT173063B (en)	1952-11-10	Bullet
FR1000745A (en)	1952-02-15	Luminescent tube
FR1029571A (en)	1953-06-03	Metallic construction