NL160075B - Langwerpige ventilatiekapconstructie voor een dak van een gebouw. - Google Patents
Langwerpige ventilatiekapconstructie voor een dak van een gebouw.Info
- Publication number
- NL160075B NL160075B NL7403649.A NL160075DA NL160075B NL 160075 B NL160075 B NL 160075B NL 160075D A NL160075D A NL 160075DA NL 160075 B NL160075 B NL 160075B
- Authority
- NL
- Netherlands
- Prior art keywords
- roof
- building
- ventilation hood
- hood construction
- elongated ventilation
- Prior art date
Links
- 238000010276 construction Methods 0.000 title 1
- 238000009423 ventilation Methods 0.000 title 1
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)
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 (nl) |
Family
ID=22541639
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL98681D NL98681C (forum.php) | 1950-03-27 | ||
NL7403649.A NL160075B (nl) | 1950-03-27 | Langwerpige ventilatiekapconstructie voor een dak van een gebouw. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL98681D NL98681C (forum.php) | 1950-03-27 |
Country Status (5)
Country | Link |
---|---|
US (1) | US2736866A (forum.php) |
DE (1) | DE898339C (forum.php) |
FR (1) | FR1034212A (forum.php) |
GB (1) | GB683352A (forum.php) |
NL (2) | NL160075B (forum.php) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1057096A (fr) * | 1952-03-17 | 1954-03-04 | Csf | Perfectionnements aux dispositifs de couplage et d'adaptation entre un guide d'ondeset une ligne à retard à structure périodique utilisée dans un tube à ondes progressives |
FR1081196A (fr) * | 1953-04-24 | 1954-12-16 | Csf | Aérien pour ondes électromagnétiques courtes |
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)
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 (de) * | 1932-08-13 | 1934-07-16 | Telefunken Gmbh | Stabfoermige Leitung fuer hochfrequente Stroeme, insbesondere Antenne |
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 (forum.php) * | 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/xx 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/fr not_active Expired
- 1951-03-25 DE DEI3948A patent/DE898339C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB683352A (en) | 1952-11-26 |
FR1034212A (fr) | 1953-07-21 |
US2736866A (en) | 1956-02-28 |
NL98681C (forum.php) | |
DE898339C (de) | 1953-11-30 |
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