BE521895A - - Google Patents
Info
- Publication number
- BE521895A BE521895A BE521895DA BE521895A BE 521895 A BE521895 A BE 521895A BE 521895D A BE521895D A BE 521895DA BE 521895 A BE521895 A BE 521895A
- Authority
- BE
- Belgium
Links
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
- H01P1/207—Hollow waveguide filters
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US302292A US2773244A (en) | 1952-08-02 | 1952-08-02 | Band pass filter |
Publications (1)
Publication Number | Publication Date |
---|---|
BE521895A true BE521895A (ja) |
Family
ID=23167116
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE521895D BE521895A (ja) | 1952-08-02 |
Country Status (3)
Country | Link |
---|---|
US (1) | US2773244A (ja) |
BE (1) | BE521895A (ja) |
NL (1) | NL180280B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2512593A1 (fr) * | 1981-09-04 | 1983-03-11 | Thomson Csf | Filtre en guide d'onde |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3013212A (en) * | 1953-08-28 | 1961-12-12 | Itt | Aural detection apparatus comprising an acoustical delay line having external feedback circuit |
DE1218084B (de) * | 1959-10-09 | 1966-06-02 | Telefunken Patent | Siebanordnung fuer Mikrowellen mit kontinuierlich veraenderbarer UEbertragungs-charakteristik |
US3132312A (en) * | 1960-10-03 | 1964-05-05 | North American Aviation Inc | Microwave phase shifter adjusted by simultaneously altering two dimensions so as to keep frequency dependent phase dispersion constant |
US5106826A (en) * | 1989-07-24 | 1992-04-21 | At&T Bell Laboratories | System for transmitting and/or receiving electromagnetic radiation employing resonant cavity including high Tc superconducting material |
US7009469B2 (en) * | 2002-06-28 | 2006-03-07 | Harris Corporation | Compact waveguide filter and method |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2161593A (en) * | 1935-03-29 | 1939-06-06 | Rca Corp | Band-pass filter |
FR49942E (ja) * | 1937-11-16 | 1939-09-25 | ||
US2218980A (en) * | 1938-11-23 | 1940-10-22 | Hazeltine Corp | Tunable band-pass selector |
US2390768A (en) * | 1944-10-07 | 1945-12-11 | Gen Electric | Variable selectivity amplifier |
US2566020A (en) * | 1945-01-04 | 1951-08-28 | Willard H Fenn | High-frequency detecting device |
US2509062A (en) * | 1945-09-07 | 1950-05-23 | Emi Ltd | Selectable band width coupling network |
NL78640C (ja) * | 1945-09-27 | |||
US2498073A (en) * | 1946-05-11 | 1950-02-21 | Bell Telephone Labor Inc | Microwave electrical testing system |
US2667597A (en) * | 1948-06-14 | 1954-01-26 | Int Standard Electric Corp | Velocity modulated electron discharge device |
US2749523A (en) * | 1951-12-01 | 1956-06-05 | Itt | Band pass filters |
US2735073A (en) * | 1952-08-02 | 1956-02-14 | Bandpass |
-
0
- NL NLAANVRAGE8006808,A patent/NL180280B/xx unknown
- BE BE521895D patent/BE521895A/xx unknown
-
1952
- 1952-08-02 US US302292A patent/US2773244A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2512593A1 (fr) * | 1981-09-04 | 1983-03-11 | Thomson Csf | Filtre en guide d'onde |
Also Published As
Publication number | Publication date |
---|---|
NL180280B (nl) | |
US2773244A (en) | 1956-12-04 |