CH297631A - Impedance transformer for very high frequencies. - Google Patents

Impedance transformer for very high frequencies.

Info

Publication number: CH297631A
Authority: CH; Switzerland
Prior art keywords: high frequencies; impedance transformer; impedance; transformer; frequencies
Prior art date: 1950-06-01

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.)

1950-06-01

Filing date

1951-05-30

Publication date

1954-03-31

1951-05-30 Application filed by Philips Nv filed Critical Philips Nv

1954-03-31 Publication of CH297631A publication Critical patent/CH297631A/en

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/24—Terminating devices
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/04—Coupling devices of the waveguide type with variable factor of coupling

CH297631D 1950-06-01 1951-05-30 Impedance transformer for very high frequencies. CH297631A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL297631X		1950-06-01

Publications (1)

Publication Number	Publication Date
CH297631A true CH297631A (en)	1954-03-31

Family

ID=19783057

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH297631D CH297631A (en)	1950-06-01	1951-05-30	Impedance transformer for very high frequencies.

Country Status (7)

Country	Link
US (1)	US2768356A (en)
BE (1)	BE503660A (en)
CH (1)	CH297631A (en)
DE (1)	DE845659C (en)
FR (1)	FR1037905A (en)
GB (1)	GB683273A (en)
NL (2)	NL77472C (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2875415A (en) *	1955-01-17	1959-02-24	Sperry Rand Corp	Microwave power multiplier
US2866166A (en) *	1955-04-08	1958-12-23	Gen Precision Lab Inc	Microwave power divider
US2908813A (en) *	1956-11-28	1959-10-13	Emerson Radio & Phonograph Cor	Phase and frequency modifying apparatus for electrical waves
US2921270A (en) *	1957-02-07	1960-01-12	Polarad Electronics Corp	Extended frequency range signal generator control mechanism
US2996687A (en) *	1959-08-26	1961-08-15	Andersen Lab Inc	Variable ultrasonic delay line
US3255456A (en) *	1963-03-08	1966-06-07	Hazeltine Research Inc	H-plane reflex bend for a two layer pillbox antenna utilizing a plurality of holes to couple the layers
US3621481A (en) *	1970-05-01	1971-11-16	Raytheon Co	Microwave energy phase shifter
FR2616014B1 (en) *	1987-05-26	1989-06-30	Cgr Mev	IMPROVED DEVICE FOR COMBINING TWO ALTERNATIVE SIGNALS OF THE SAME FREQUENCY

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2428485A (en) *	1943-06-30	1947-10-07	Rca Corp	Impedance matching device
US2593120A (en) *	1945-03-08	1952-04-15	Us Sec War	Wave guide transmission system
US2564030A (en) *	1945-12-10	1951-08-14	Edward M Purcell	Phase shifting device
US2508573A (en) *	1946-04-30	1950-05-23	Us Sec War	Ultra high frequency oscillator circuit
US2486818A (en) *	1946-08-30	1949-11-01	Hazeltine Research Inc	Wave-signal directional coupler
US2568090A (en) *	1948-06-22	1951-09-18	Raytheon Mfg Co	Balanced mixer

0
- NL NL676710251A patent/NL153908B/en unknown
- BE BE503660D patent/BE503660A/xx unknown
- NL NL77472D patent/NL77472C/xx active
1951
- 1951-05-09 US US225446A patent/US2768356A/en not_active Expired - Lifetime
- 1951-05-29 GB GB12575/51A patent/GB683273A/en not_active Expired
- 1951-05-30 DE DEN3962A patent/DE845659C/en not_active Expired
- 1951-05-30 CH CH297631D patent/CH297631A/en unknown
- 1951-05-30 FR FR1037905D patent/FR1037905A/en not_active Expired

Also Published As

Publication number	Publication date
DE845659C (en)	1952-08-04
FR1037905A (en)	1953-09-23
BE503660A (en)
GB683273A (en)	1952-11-26
NL153908B (en)
US2768356A (en)	1956-10-23
NL77472C (en)

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