NL160075B - ELONGATED VENTILATION HOOD CONSTRUCTION FOR A ROOF OF A BUILDING. - Google Patents

ELONGATED VENTILATION HOOD CONSTRUCTION FOR A ROOF OF A BUILDING.

Info

Publication number: NL160075B
Authority: NL; Netherlands
Prior art keywords: roof; building; ventilation hood; hood construction; elongated ventilation
Prior art date: 1950-03-27

Application number

NL7403649.A

Other languages

Dutch (nl)

Original Assignee

Alcan Aluminiumwerke

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.)

1950-03-27

Publication of NL160075B publication Critical patent/NL160075B/en

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/201—Filters for transverse electromagnetic waves

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
Control Of Motors That Do Not Use Commutators (AREA)
Waveguides (AREA)

NL7403649.A 1950-03-27 ELONGATED VENTILATION HOOD CONSTRUCTION FOR A ROOF OF A BUILDING. NL160075B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US152132A US2736866A (en)	1950-03-27	1950-03-27	Filter for transmission line

Publications (1)

Publication Number	Publication Date
NL160075B true NL160075B (en)

Family

ID=22541639

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
NL98681D NL98681C (en)	1950-03-27
NL7403649.A NL160075B (en)	1950-03-27		ELONGATED VENTILATION HOOD CONSTRUCTION FOR A ROOF OF A BUILDING.

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
NL98681D NL98681C (en)	1950-03-27

Country Status (5)

Country	Link
US (1)	US2736866A (en)
DE (1)	DE898339C (en)
FR (1)	FR1034212A (en)
GB (1)	GB683352A (en)
NL (2)	NL160075B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1057096A (en) *	1952-03-17	1954-03-04	Csf	Improvements to coupling and matching devices between a waveguide and a delay line with periodic structure used in a traveling wave tube
FR1081196A (en) *	1953-04-24	1954-12-16	Csf	Aerial for short electromagnetic waves
US3025478A (en) *	1959-05-27	1962-03-13	Bell Telephone Labor Inc	Microwave devices for waveguides of circular cross section
US3513416A (en) *	1967-01-30	1970-05-19	Varian Associates	Cylindrical surface horn forming a transition between a closed periodic circuit and an open sided periodic circuit

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1853437A (en) *	1927-03-22	1932-04-12	Kuttner Ernst Wolfgang	Process for producing an insulating coating on articles containing aluminum
DE600011C (en) *	1932-08-13	1934-07-16	Telefunken Gmbh	Rod-shaped line for high-frequency currents, especially antenna
US2207845A (en) *	1938-05-28	1940-07-16	Rca Corp	Propagation of waves in a wave guide
US2419855A (en) *	1939-06-22	1947-04-29	Roosenstein Hans Otto	Arrangement adapted to suppress radio frequency currents on conductors
BE441157A (en) *	1940-10-01
US2438913A (en) *	1941-10-31	1948-04-06	Sperry Corp	High-frequency filter structure
US2387783A (en) *	1943-02-01	1945-10-30	Sperry Gyroscope Co Inc	Transmission line
US2479687A (en) *	1943-05-17	1949-08-23	Rca Corp	Super high frequency filter
US2438795A (en) *	1943-12-13	1948-03-30	Hazeltine Research Inc	Wave-guide system
US2497707A (en) *	1945-02-21	1950-02-14	Gen Electric	Method for making high-frequency cable joints
US2567718A (en) *	1945-09-24	1951-09-11	Roland W Larson	Tapered corrugated line
US2588610A (en) *	1946-06-07	1952-03-11	Philco Corp	Directional antenna system
US2643353A (en) *	1948-11-04	1953-06-23	Int Standard Electric Corp	Traveling wave tube
US2659817A (en) *	1948-12-31	1953-11-17	Bell Telephone Labor Inc	Translation of electromagnetic waves
US2688732A (en) *	1949-05-05	1954-09-07	Bell Telephone Labor Inc	Wave guide

0
- NL NL98681D patent/NL98681C/xx active
- NL NL7403649.A patent/NL160075B/en unknown
1950
- 1950-03-27 US US152132A patent/US2736866A/en not_active Expired - Lifetime
1951
- 1951-01-05 GB GB389/51A patent/GB683352A/en not_active Expired
- 1951-03-20 FR FR1034212D patent/FR1034212A/en not_active Expired
- 1951-03-25 DE DEI3948A patent/DE898339C/en not_active Expired

Also Published As

Publication number	Publication date
US2736866A (en)	1956-02-28
NL98681C (en)
FR1034212A (en)	1953-07-21
DE898339C (en)	1953-11-30
GB683352A (en)	1952-11-26

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