BE504193A - - Google Patents
Info
- Publication number
- BE504193A BE504193A BE504193DA BE504193A BE 504193 A BE504193 A BE 504193A BE 504193D A BE504193D A BE 504193DA BE 504193 A BE504193 A BE 504193A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
- H01Q15/10—Refracting or diffracting devices, e.g. lens, prism comprising three-dimensional array of impedance discontinuities, e.g. holes in conductive surfaces or conductive discs forming artificial dielectric
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US169968A US2747184A (en) | 1950-06-23 | 1950-06-23 | Wave refracting devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE504193A true BE504193A (US20080094685A1-20080424-C00004.png) |
Family
ID=22617960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE504193D BE504193A (US20080094685A1-20080424-C00004.png) | 1950-06-23 |
Country Status (7)
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2834962A (en) * | 1954-03-02 | 1958-05-13 | Sperry Rand Corp | Wave guide lens |
| US2859418A (en) * | 1955-06-21 | 1958-11-04 | Joseph H Vogelman | High power transmission line filters |
| US2956247A (en) * | 1956-01-26 | 1960-10-11 | Sperry Rand Corp | Broad band microwave phase shifter |
| US3066294A (en) * | 1957-03-18 | 1962-11-27 | Gen Electric | Helical antennas coupled to circular waveguide carrying orthogonal modes |
| NL244999A (US20080094685A1-20080424-C00004.png) * | 1958-11-21 | |||
| DE1271278B (de) * | 1960-08-05 | 1968-06-27 | Telefunken Patent | Verzoegerungsleitung |
| US3257614A (en) * | 1962-12-17 | 1966-06-21 | Hallicrafters Co | Frequency measuring utilizing reflected waves |
| US3949327A (en) * | 1974-08-01 | 1976-04-06 | Sage Laboratories, Inc. | Waveguide low pass filter |
| US4125841A (en) * | 1977-05-17 | 1978-11-14 | Ohio State University Research Foundation | Space filter |
| JPS5865777A (ja) * | 1981-10-16 | 1983-04-19 | Toshiba Silicone Co Ltd | つや出し剤およびその製造法 |
| US4684874A (en) * | 1985-02-05 | 1987-08-04 | Trw Inc. | Radial wave power divider/combiner and related method |
| FR2691840B1 (fr) * | 1992-05-26 | 1994-08-26 | Thomson Csf | Dispositif de compression d'impulsions, notamment en émission hyperfréquence. |
| JPH07202506A (ja) * | 1993-12-28 | 1995-08-04 | Nec Corp | 送受信分波器 |
| US7157989B2 (en) * | 2002-03-07 | 2007-01-02 | Lockheed Martin Corporation | Inline waveguide phase shifter with electromechanical means to change the physical dimension of the waveguide |
| US7554053B2 (en) * | 2005-12-23 | 2009-06-30 | Lam Research Corporation | Corrugated plasma trap arrangement for creating a highly efficient downstream microwave plasma system |
| US7562638B2 (en) * | 2005-12-23 | 2009-07-21 | Lam Research Corporation | Methods and arrangement for implementing highly efficient plasma traps |
| US7679024B2 (en) * | 2005-12-23 | 2010-03-16 | Lam Research Corporation | Highly efficient gas distribution arrangement for plasma tube of a plasma processing chamber |
| JP5904490B2 (ja) * | 2012-02-15 | 2016-04-13 | 国立大学法人茨城大学 | 人工誘電体レンズ |
| FR3038457B1 (fr) * | 2015-07-03 | 2017-07-28 | Thales Sa | Formateur de faisceaux quasi-optique a lentille et antenne plane comportant un tel formateur de faisceaux |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1804884A (en) * | 1929-09-13 | 1931-05-12 | Mazer Marcus | Acoustic slab |
| US1954516A (en) * | 1931-10-19 | 1934-04-10 | Maxim Silencer Co | Sound attenuating device |
| US2395560A (en) * | 1940-10-19 | 1946-02-26 | Bell Telephone Labor Inc | Wave guide |
| US2412713A (en) * | 1941-12-19 | 1946-12-17 | Celotex Corp | Acoustical tile |
| US2567748A (en) * | 1943-10-02 | 1951-09-11 | Milton G White | Control of wave length in wave guides |
| BE474864A (US20080094685A1-20080424-C00004.png) * | 1944-04-22 | |||
| US2508479A (en) * | 1944-11-16 | 1950-05-23 | Hazeltine Research Inc | High-frequency electromagneticwave translating arrangement |
| US2530580A (en) * | 1946-10-30 | 1950-11-21 | Rca Corp | Multichannel signaling system |
| US2528582A (en) * | 1947-10-30 | 1950-11-07 | Rca Corp | Lens for focusing radio waves |
| GB664688A (en) * | 1947-12-05 | 1952-01-09 | Western Electric Co | Arrangements for separating or combining the different frequency components of energy waves |
-
0
- NL NL6818480.A patent/NL160932B/xx unknown
- NL NL90090D patent/NL90090C/xx active
- BE BE504193D patent/BE504193A/xx unknown
-
1950
- 1950-06-23 US US169968A patent/US2747184A/en not_active Expired - Lifetime
-
1951
- 1951-02-01 FR FR1033648D patent/FR1033648A/fr not_active Expired
- 1951-04-18 DE DEW5589A patent/DE886769C/de not_active Expired
- 1951-06-04 CH CH296202D patent/CH296202A/de unknown
- 1951-06-22 GB GB14887/51A patent/GB706716A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1033648A (fr) | 1953-07-13 |
| DE886769C (de) | 1953-08-17 |
| CH296202A (de) | 1954-01-31 |
| GB706716A (en) | 1954-04-07 |
| NL160932B (nl) | |
| US2747184A (en) | 1956-05-22 |
| NL90090C (US20080094685A1-20080424-C00004.png) |
