GB531251A - Improvements in or relating to electrical converters, particularly converters operating at high frequencies - Google Patents

Improvements in or relating to electrical converters, particularly converters operating at high frequencies

Info

Publication number: GB531251A
Authority: GB; United Kingdom
Prior art keywords: shell; grid; grids; shells; electrons
Prior art date: 1938-06-18
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

GB16034/39A

Other languages

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.)

Leland Stanford Junior University

Original Assignee

Leland Stanford Junior University

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.)

1938-06-18

Filing date

1939-05-31

Publication date

1941-01-01

1939-04-20 Priority claimed from US268898A external-priority patent/US2259690A/en

1939-05-31 Application filed by Leland Stanford Junior University filed Critical Leland Stanford Junior University

1941-01-01 Publication of GB531251A publication Critical patent/GB531251A/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
- H01J25/22—Reflex klystrons, i.e. tubes having one or more resonators, with a single reflection of the electron stream, and in which the stream is modulated mainly by velocity in the modulator zone
- H01J25/24—Reflex klystrons, i.e. tubes having one or more resonators, with a single reflection of the electron stream, and in which the stream is modulated mainly by velocity in the modulator zone in which the electron stream is in the axis of the resonator or resonators and is pencil-like before reflection
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
- H01J25/06—Tubes having only one resonator, without reflection of the electron stream, and in which the modulation produced in the modulator zone is mainly velocity modulation, e.g. Lüdi-Klystron
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
- H01J25/10—Klystrons, i.e. tubes having two or more resonators, without reflection of the electron stream, and in which the stream is modulated mainly by velocity in the zone of the input resonator
- H01J25/12—Klystrons, i.e. tubes having two or more resonators, without reflection of the electron stream, and in which the stream is modulated mainly by velocity in the zone of the input resonator with pencil-like electron stream in the axis of the resonators
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
- H01J25/10—Klystrons, i.e. tubes having two or more resonators, without reflection of the electron stream, and in which the stream is modulated mainly by velocity in the zone of the input resonator
- H01J25/20—Klystrons, i.e. tubes having two or more resonators, without reflection of the electron stream, and in which the stream is modulated mainly by velocity in the zone of the input resonator having special arrangements in the space between resonators, e.g. resistive-wall amplifier tube, space-charge amplifier tube, velocity-jump tube
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/20—Transference of modulation from one carrier to another, e.g. frequency-changing by means of transit-time tubes

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Microwave Tubes (AREA)
Particle Accelerators (AREA)
Lasers (AREA)
Structures Of Non-Positive Displacement Pumps (AREA)
Analysing Materials By The Use Of Radiation (AREA)
Earth Drilling (AREA)
Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Physical Water Treatments (AREA)

GB16034/39A 1938-06-18 1939-05-31 Improvements in or relating to electrical converters, particularly converters operating at high frequencies Expired GB531251A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US531251XA	1938-06-18	1938-06-18
US268898A US2259690A (en)	1939-04-20	1939-04-20	High frequency radio apparatus

Publications (1)

Publication Number	Publication Date
GB531251A true GB531251A (en)	1941-01-01

Family

ID=26731479

Family Applications (4)

Application Number	Title	Priority Date	Filing Date
GB16034/39A Expired GB531251A (en)	1938-06-18	1939-05-31	Improvements in or relating to electrical converters, particularly converters operating at high frequencies
GB5120/40A Expired GB548725A (en)	1938-06-18	1940-03-19	Improvements in or relating to apparatus for controlling the flow of electrons in an electron stream
GB6238/48A Expired GB703324A (en)	1938-06-18	1948-02-28	Improvements in or relating to methods of and apparatus for generating, amplifying or converting ultra-high-frequency electric oscillations
GB21405/51A Expired GB703375A (en)	1938-06-18	1948-02-28	Improvements relating to electron discharge devices employing velocity modulation ofan electron stream

Family Applications After (3)

Application Number	Title	Priority Date	Filing Date
GB5120/40A Expired GB548725A (en)	1938-06-18	1940-03-19	Improvements in or relating to apparatus for controlling the flow of electrons in an electron stream
GB6238/48A Expired GB703324A (en)	1938-06-18	1948-02-28	Improvements in or relating to methods of and apparatus for generating, amplifying or converting ultra-high-frequency electric oscillations
GB21405/51A Expired GB703375A (en)	1938-06-18	1948-02-28	Improvements relating to electron discharge devices employing velocity modulation ofan electron stream

Country Status (5)

Country	Link
US (2)	USRE23479E (xx)
DE (1)	DE972760C (xx)
FR (2)	FR51178E (xx)
GB (4)	GB531251A (xx)
NL (3)	NL79487C (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1082986B (de) *	1955-02-12	1960-06-09	Telefunken Gmbh	Reflexionsklystron
US2965794A (en) *	1955-06-17	1960-12-20	Varian Associates	Electron tube apparatus

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL45407C (xx) *	1934-02-23
DE668800C (de) *	1934-02-24	1938-12-10	Telefunken Gmbh	Einrichtung zur Erzeugung kurzer elektromagnetischer Wellen
US2128233A (en) *	1934-03-01	1938-08-30	Meaf Mach En Apparaten Fab Nv	Electron tube
NL56878C (xx) *	1934-10-19
DE748161C (de) *	1935-06-28	1944-10-27		Elektronenroehrenanordnung zum Anfachen ultrahochfrequenter elektromagnetischer Schwingungen
NL49857C (xx) *	1935-11-30
NL51366C (xx) *	1936-01-31
US2195455A (en) *	1936-03-04	1940-04-02	Telefunken Gmbh	Electronic system
FR47472E (fr) *	1936-06-16	1937-05-22	Meaf Mach En Apparaten Fab Nv	Tube électronique comportant un espace vide servant de résonateur
US2190668A (en) *	1937-07-31	1940-02-20	Bell Telephone Labor Inc	Diode oscillator
US2242275A (en) *	1937-10-11	1941-05-20	Univ Leland Stanford Junior	Electrical translating system and method
US2243537A (en) *	1940-07-31	1941-05-27	Westinghouse Electric & Mfg Co	Resonator grid structure

0
- NL NL72297D patent/NL72297C/xx active
- US US2511886D patent/US2511886A/en not_active Expired - Lifetime
- US US23479D patent/USRE23479E/en not_active Expired
- NL NL89660D patent/NL89660C/xx active
- NL NL79487D patent/NL79487C/xx active
1939
- 1939-05-31 GB GB16034/39A patent/GB531251A/en not_active Expired
- 1939-06-08 FR FR51178D patent/FR51178E/fr not_active Expired
- 1939-06-17 DE DEB11823A patent/DE972760C/de not_active Expired
1940
- 1940-03-19 GB GB5120/40A patent/GB548725A/en not_active Expired
- 1940-04-19 FR FR51369D patent/FR51369E/fr not_active Expired
1948
- 1948-02-28 GB GB6238/48A patent/GB703324A/en not_active Expired
- 1948-02-28 GB GB21405/51A patent/GB703375A/en not_active Expired

Also Published As

Publication number	Publication date
GB703375A (en)	1954-02-03
NL89660C (xx)
NL79487C (xx)
USRE23479E (en)	1952-04-08
GB548725A (en)	1942-10-22
US2511886A (en)	1950-06-20
FR51178E (fr)	1941-09-30
FR51369E (fr)	1942-06-09
GB703324A (en)	1954-02-03
DE972760C (de)	1959-09-17
NL72297C (xx)

Publication	Publication Date	Title
US2293151A (en)	1942-08-18	Resonant cavity device
GB555864A (en)	1943-09-10	Improvements in high frequency electric apparatus
GB530785A (en)	1940-12-23	Improvements in or relating to electrical oscillating systems
GB516750A (en)	1940-01-10	Electron oscillators for generating electromagnetic waves of ultra-high frequencies
GB528041A (en)	1940-10-28	Improvements in or relating to the production of electromagnetic oscillations
GB549489A (en)	1942-11-24	Improvements in or relating to ultra-high-frequency receiving devices
GB715242A (en)	1954-09-08	Improvement in adjustable magnetic focussing system for beam tubes
GB531251A (en)	1941-01-01	Improvements in or relating to electrical converters, particularly converters operating at high frequencies
US2407298A (en)	1946-09-10	Electron discharge apparatus
GB689290A (en)	1953-03-25	Improvements relating to high-frequency electro-magnetic wave devices
GB729930A (en)	1955-05-11	Improvements in or relating to electron discharge devices
GB548918A (en)	1942-10-29	Improvements in ultra high frequency electron discharge devices
US2408410A (en)	1946-10-01	Frequency converter
US2263248A (en)	1941-11-18	Oscillation generation system
GB560959A (en)	1944-04-28	Electron discharge device
GB712266A (en)	1954-07-21	Improvements in velocity-modulation tubes
US2406364A (en)	1946-08-27	Oscillation generator
GB597511A (en)	1948-01-28	Improvements in oscillators of the velocity modulation type
US2519420A (en)	1950-08-22	Thermionic vacuum tube and circuit
GB590473A (en)	1947-07-18	Tuned circuit and system therefor
US3108232A (en)	1963-10-22	Ultra high frequency amplifier
US2467153A (en)	1949-04-12	Device for generating ultra highfrequency oscillations by means of a discharge tube
US2464229A (en)	1949-03-15	High-frequency apparatus and method
GB594344A (en)	1947-11-10	Improvements in electric discharge devices
Caldwell	1933	A New Focusing Device for Electron Diffraction