NL193571A - - Google Patents

Info

Publication number: NL193571A
Authority: NL; Netherlands

Application number

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.)

1953-12-28

Publication of NL193571A publication Critical patent/NL193571A/xx

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F7/00—Parametric amplifiers
- H03F7/02—Parametric amplifiers using variable-inductance element; using variable-permeability element
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P7/00—Resonators of the waveguide type
- H01P7/06—Cavity resonators
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S1/00—Masers, i.e. devices using stimulated emission of electromagnetic radiation in the microwave range
- H01S1/02—Masers, i.e. devices using stimulated emission of electromagnetic radiation in the microwave range solid
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/54—Amplifiers using transit-time effect in tubes or semiconductor devices
- H03F3/58—Amplifiers using transit-time effect in tubes or semiconductor devices using travelling-wave tubes

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Physics & Mathematics (AREA)
Electromagnetism (AREA)
Optics & Photonics (AREA)
Control Of Motors That Do Not Use Commutators (AREA)
Microwave Tubes (AREA)
Hall/Mr Elements (AREA)

NL193571D 1953-12-28 NL193571A (pt)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR949349X		1953-12-28

Publications (1)

Publication Number	Publication Date
NL193571A true NL193571A (pt)

Family

ID=9474507

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL193571D NL193571A (pt)	1953-12-28

Country Status (7)

Country	Link
US (1)	US2825765A (pt)
BE (1)	BE534335A (pt)
CH (1)	CH335422A (pt)
DE (1)	DE949349C (pt)
FR (1)	FR1096655A (pt)
GB (1)	GB753128A (pt)
NL (1)	NL193571A (pt)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2981894A (en) *		1961-04-25		scovil
US2958045A (en) *		1960-10-25		anderson
US3064201A (en) *		1962-11-13		Damon
US3001141A (en) *		1961-09-19		Source
US2976492A (en) *		1961-03-21		Solid state maser
US2980870A (en) *	1954-02-15	1961-04-18	Gen Precision Inc	Microwave field rotator
US2908878A (en) *	1955-05-27	1959-10-13	Robert F Sullivan	Microwave switching device
US2963661A (en) *	1956-05-09	1960-12-06	Bell Telephone Labor Inc	Wave guide filter
US2965863A (en) *	1956-06-19	1960-12-20	Bell Telephone Labor Inc	Magnetic tuned cavity resonator
US2950442A (en) *	1956-08-30	1960-08-23	Bell Telephone Labor Inc	Passive signal intensifier
US2951216A (en) *	1956-12-17	1960-08-30	Hughes Aircraft Co	Reflectionless microwave filter
US2978649A (en) *	1957-05-20	1961-04-04	Bell Telephone Labor Inc	Solid state microwave device
US3022466A (en) *	1957-11-07	1962-02-20		weiss
BE563913A (pt) *	1957-02-15
US2945744A (en) *	1958-02-14	1960-07-19	Bell Telephone Labor Inc	Magnetic materials
US2970274A (en) *	1958-03-21	1961-01-31	Bell Telephone Labor Inc	Solid state amplifier
US3078419A (en) *	1958-03-24	1963-02-19	Gen Electric	Ferromagnetic amplifier and frequency converter
US3018443A (en) *	1958-05-20	1962-01-23	Rca Corp	Parameric amplifier with lower frequency pumping
DE1098049B (de) *	1958-05-28	1961-01-26	Nat Res Dev	Mischanordnung fuer Mikrowellen unter Verwendung eines Ferritstabes
US2997673A (en) *	1958-06-13	1961-08-22	Hughes Aircraft Co	Microwave filter
US3090012A (en) *	1958-07-31	1963-05-14	Gen Electric	Microwave ferrite parametric amplifier using frequency doubling and lower frequency pump
US3014184A (en) *	1958-08-18	1961-12-19	Hughes Aircraft Co	Ferrite parametric amplifier
NL242761A (pt) *	1958-12-15
US3064214A (en) *	1958-12-30	1962-11-13	Bell Telephone Labor Inc	Microwave ferrite switch
US3076149A (en) *	1959-09-15	1963-01-29	Hughes Aircraft Co	Coupled-cavity traveling-wave parametric amplifier
US3072859A (en) *	1959-12-01	1963-01-08	Ibm	Four spin flip maser with single maser action
US3244993A (en) *	1962-02-06	1966-04-05	Raytheon Co	Electronically adjustable spin-wave delay line and parametric amplifier
US3379985A (en) *	1966-02-09	1968-04-23	Nippon Electric Co	High frequency magnetic amplifier employing "attractive exchange interaction" between spin waves
US3504303A (en) *	1967-05-04	1970-03-31	Japan Broadcasting Corp	Reentrant cavity type circulator

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2644930A (en) *	1949-03-24	1953-07-07	Gen Precision Lab Inc	Microwave polarization rotating device and coupling network
NL169864B (nl) *	1951-05-26		Mitsubishi Chem Ind	Werkwijze voor het katalytisch omzetten van een geconjugeerd dieen.

0
- BE BE534335D patent/BE534335A/xx unknown
- NL NL193571D patent/NL193571A/xx unknown
1953
- 1953-12-28 FR FR1096655D patent/FR1096655A/fr not_active Expired
1954
- 1954-12-03 CH CH335422D patent/CH335422A/fr unknown
- 1954-12-14 US US475078A patent/US2825765A/en not_active Expired - Lifetime
- 1954-12-17 GB GB36652/54A patent/GB753128A/en not_active Expired
- 1954-12-28 DE DEM25603A patent/DE949349C/de not_active Expired

Also Published As

Publication number	Publication date
DE949349C (de)	1956-09-20
GB753128A (en)	1956-07-18
FR1096655A (fr)	1955-06-23
US2825765A (en)	1958-03-04
CH335422A (fr)	1958-12-31
BE534335A (pt)

Publication	Publication Date	Title
FR1096904A (pt)	1955-06-28
BE517130A (pt)	1953-02-14
FR1037116A (pt)	1953-09-15
AT191140B (pt)	1957-08-10
AT199365B (pt)	1958-08-25
AT196785B (pt)	1958-03-25
AT194074B (pt)	1957-12-27
AT197771B (pt)	1958-05-27
AT199317B (pt)	1958-08-25
AT205166B (pt)	1959-09-10
AT213751B (pt)	1961-02-27
BE517139A (pt)
BE515978A (pt)
BE517828A (pt)
BE517734A (pt)	1953-03-14
BE517732A (pt)
BE517726A (pt)	1953-08-17
BE517667A (pt)
BE534335A (pt)
BE525401A (pt)	1956-05-25
BE517254A (pt)
BE517192A (pt)
BE517318A (pt)
BE527296A (pt)
BE516895A (pt)