CH295233A - Device with electron-optical imaging of a photoelectric cathode. - Google Patents

Device with electron-optical imaging of a photoelectric cathode.

Info

Publication number: CH295233A
Authority: CH; Switzerland
Prior art keywords: electron; optical imaging; photoelectric cathode; photoelectric; cathode
Prior art date: 1950-11-06

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.)

1950-11-06

Filing date

1951-11-05

Publication date

1953-12-15

1951-11-05 Application filed by Philips Nv filed Critical Philips Nv

1953-12-15 Publication of CH295233A publication Critical patent/CH295233A/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
- H01J29/66—Magnetic lenses using electromagnetic means only

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
Electron Sources, Ion Sources (AREA)

CH295233D 1950-11-06 1951-11-05 Device with electron-optical imaging of a photoelectric cathode. CH295233A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL295233X		1950-11-06

Publications (1)

Publication Number	Publication Date
CH295233A true CH295233A (en)	1953-12-15

Family

ID=19782943

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH295233D CH295233A (en)	1950-11-06	1951-11-05	Device with electron-optical imaging of a photoelectric cathode.

Country Status (7)

Country	Link
US (1)	US2727182A (en)
BE (1)	BE506901A (en)
CH (1)	CH295233A (en)
DE (1)	DE879876C (en)
FR (1)	FR1056055A (en)
GB (1)	GB741354A (en)
NL (1)	NL89166C (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB790416A (en) *	1953-06-05	1958-02-12	Emi Ltd	Improvements in or relating to electron discharge devices incorporating electron multipliers
GB822166A (en) *	1954-09-20	1959-10-21	Julius Cato Vredenburg Inglesb	Cathode ray image producing system and apparatus
NL279475A (en) *	1961-06-09
US3193721A (en) *	1961-08-15	1965-07-06	Tokyo Shibaura Electric Co	Image magnification varying means for photoelectronic image devices
US3383514A (en) *	1965-01-26	1968-05-14	Rauland Corp	Multi-stage image converter with both magnifying and minifying stages
NL6903860A (en) *	1969-03-13	1970-09-15
US4070574A (en) *	1976-04-28	1978-01-24	Nasa	Magnifying image intensifier

Family Cites Families (7)

* 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
GB497645A (en) *	1937-05-20	1938-12-20	Hans Gerhard Lubszynski	Improvements in or relating to electron lenses
US2314409A (en) *	1940-09-28	1943-03-23	Bell Telephone Labor Inc	Magnetic coil structure
US2376707A (en) *	1941-04-05	1945-05-22	Robert E Mccoy	Space discharge device
US2533073A (en) *	1945-11-28	1950-12-05	Rca Corp	Cathode beam tube
BE480411A (en) *	1947-02-19
US2581487A (en) *	1950-03-01	1952-01-08	Rca Corp	Color television reproduction tube

0
- BE BE506901D patent/BE506901A/xx unknown
- NL NL89166D patent/NL89166C/xx active
1951
- 1951-10-19 US US252071A patent/US2727182A/en not_active Expired - Lifetime
- 1951-11-02 GB GB25676/51A patent/GB741354A/en not_active Expired
- 1951-11-03 DE DEN4633A patent/DE879876C/en not_active Expired
- 1951-11-05 FR FR1056055D patent/FR1056055A/en not_active Expired
- 1951-11-05 CH CH295233D patent/CH295233A/en unknown

Also Published As

Publication number	Publication date
BE506901A (en)
NL89166C (en)
FR1056055A (en)	1954-02-24
US2727182A (en)	1955-12-13
DE879876C (en)	1953-06-15
GB741354A (en)	1955-11-30

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