BE500563A - - Google Patents
Info
- Publication number
- BE500563A BE500563A BE500563DA BE500563A BE 500563 A BE500563 A BE 500563A BE 500563D A BE500563D A BE 500563DA BE 500563 A BE500563 A BE 500563A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01J—MANUFACTURE OF DAIRY PRODUCTS
- A01J7/00—Accessories for milking machines or devices
- A01J7/02—Accessories for milking machines or devices for cleaning or sanitising milking machines or devices
-
- 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
- H01Q15/12—Refracting or diffracting devices, e.g. lens, prism functioning also as polarisation filter
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/12—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems
- H01Q3/14—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying the relative position of primary active element and a refracting or diffracting device
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/38—Impedance-matching networks
- H03H7/40—Automatic matching of load impedance to source impedance
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Animal Husbandry (AREA)
- Environmental Sciences (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Aerials With Secondary Devices (AREA)
- Waveguide Aerials (AREA)
- Transmitters (AREA)
- Details Of Aerials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US138138A US2640930A (en) | 1950-01-12 | 1950-01-12 | Antenna assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE500563A true BE500563A (US20060009399A1-20060112-C00020.png) | 1952-11-12 |
Family
ID=22480591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE500563D BE500563A (US20060009399A1-20060112-C00020.png) | 1950-01-12 | 1952-03-28 |
Country Status (7)
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL169964B (nl) * | 1951-06-02 | Louyot Comptoir Lyon Alemand | Uit meerdere lagen opgebouwde, gevormde naverbrandingskatalysatordrager, alsmede inrichting voor het zuiveren van afvalgassen die een op deze drager aangebrachte naverbrandingskatalysator bevat. | |
| US2836823A (en) * | 1952-12-19 | 1958-05-27 | Paul A Kennebeck | Wave guide transmitting antenna |
| US2834013A (en) * | 1953-09-02 | 1958-05-06 | Itt | Plural antenna assembly |
| CH326809A (de) * | 1954-11-11 | 1957-12-31 | Patelhold Patentverwertung | Richtantennensystem mit Umlenkspiegeln |
| US2938208A (en) * | 1955-01-05 | 1960-05-24 | Itt | Omnirange beacon antenna having rotating parasitic conductive elements |
| DE958747C (de) * | 1955-03-24 | 1957-02-21 | Int Standard Electric Corp | Antennenanordnung fuer ein Drehfunkfeuer |
| DE1019355B (de) * | 1955-07-25 | 1957-11-14 | Int Standard Electric Corp | Breitband-Richtantennensystem |
| DE1059055B (de) * | 1956-08-21 | 1959-06-11 | Collins Radio Co | Senderantenne fuer Drehfunkfeuer |
| US2985876A (en) * | 1957-01-23 | 1961-05-23 | Marconi Wireless Telegraph Co | Aerial systems |
| US2993204A (en) * | 1958-02-28 | 1961-07-18 | Itt | Two-band helical antenna |
| US3003126A (en) * | 1958-12-08 | 1961-10-03 | Jasik Henry | Impedance transformer |
| US3262075A (en) * | 1961-11-07 | 1966-07-19 | Anzac Electronics Inc | Impedance matching transformer |
| US3281721A (en) * | 1962-05-11 | 1966-10-25 | Sperry Rand Corp | Impedance matching system |
| US3179941A (en) * | 1962-08-17 | 1965-04-20 | Dynascan Corp | Helical antenna with adjustable length by switching |
| US3381222A (en) * | 1964-06-12 | 1968-04-30 | John L. Gray | Radio telephone with automatically tuned loaded antenna |
| US3412403A (en) * | 1964-12-22 | 1968-11-19 | Carl I. Peters Jr. | Radiating tuned inductance coil antenna |
| US3262119A (en) * | 1965-07-30 | 1966-07-19 | Bendix Corp | Cavity backed slot antenna with rotatable loop feed |
| US3601717A (en) * | 1969-11-20 | 1971-08-24 | Gen Dynamics Corp | System for automatically matching a radio frequency power output circuit to a load |
| US4064474A (en) * | 1976-11-09 | 1977-12-20 | Solitron Devices, Inc. | Impedance ratio varying device |
| EP0106082B1 (de) * | 1982-09-10 | 1986-12-17 | Bayer Ag | Neue Polyphosphate, deren Herstellung und Verwendung |
| US4803493A (en) * | 1986-12-01 | 1989-02-07 | Jamison Wayne L | Mobile antenna circuit with variable line length |
| US6653803B1 (en) * | 2000-05-30 | 2003-11-25 | Axcelis Technologies, Inc. | Integrated resonator and amplifier system |
| US7176840B1 (en) | 2005-04-08 | 2007-02-13 | Michael Peter Kelley | Variable spacing inductance coil apparatus and method |
| US20070248116A1 (en) | 2006-04-21 | 2007-10-25 | Masashi Hamada | Communication control apparatus and method of controlling same |
| FR3045838B1 (fr) * | 2015-12-18 | 2020-05-22 | Thales | Antenne multi-acces |
| CN106785368B (zh) * | 2016-12-26 | 2019-08-02 | 广东中元创新科技有限公司 | 一种多瓣高增益uv全向带am天线 |
| US11923924B2 (en) * | 2018-02-26 | 2024-03-05 | Parallel Wireless, Inc. | Miniature antenna array with polar combining architecture |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1860123A (en) * | 1925-12-29 | 1932-05-24 | Rca Corp | Variable directional electric wave generating device |
| US1912754A (en) * | 1929-06-11 | 1933-06-06 | Telefunken Gmbh | Antenna |
| GB553970A (en) * | 1941-12-09 | 1943-06-11 | Standard Telephones Cables Ltd | Improvements in or relating to antenna systems |
| US2465416A (en) * | 1943-10-02 | 1949-03-29 | Zenith Radio Corp | Resonant circuit and radiator |
| US2498078A (en) * | 1945-03-30 | 1950-02-21 | Bell Telephone Labor Inc | Common control for electrical tuners and couplers |
| US2515436A (en) * | 1945-10-04 | 1950-07-18 | Radio Ind | Tuning device for true antennas |
| US2532919A (en) * | 1947-04-21 | 1950-12-05 | Johnson William Arthur | Radio aerial system, and particularly directive aerial system |
| US2532920A (en) * | 1947-04-21 | 1950-12-05 | Johnson William Arthur | Radio aerial system, and particularly directive aerial system |
| US2657362A (en) * | 1951-05-15 | 1953-10-27 | Aeronautical Comm Equipment In | Impedance matching network |
| US2745067A (en) * | 1951-06-28 | 1956-05-08 | True Virgil | Automatic impedance matching apparatus |
-
0
- NL NL7115730.A patent/NL158378B/xx unknown
-
1950
- 1950-01-12 US US138138A patent/US2640930A/en not_active Expired - Lifetime
- 1950-11-09 DE DEJ3487A patent/DE831419C/de not_active Expired
- 1950-12-29 GB GB31584/50A patent/GB680512A/en not_active Expired
-
1951
- 1951-01-05 NL NL158378A patent/NL80176C/xx active
- 1951-01-11 FR FR1035591D patent/FR1035591A/fr not_active Expired
- 1951-01-12 DE DEI3687A patent/DE901665C/de not_active Expired
- 1951-01-12 CH CH293157D patent/CH293157A/fr unknown
-
1952
- 1952-03-28 BE BE500563D patent/BE500563A/xx unknown
- 1952-04-30 FR FR64511D patent/FR64511E/fr not_active Expired
- 1952-05-30 FR FR64853D patent/FR64853E/fr not_active Expired
-
1954
- 1954-09-02 FR FR67351D patent/FR67351E/fr not_active Expired
-
1955
- 1955-08-05 US US526716A patent/US2855599A/en not_active Expired - Lifetime
-
1956
- 1956-08-03 FR FR70739D patent/FR70739E/fr not_active Expired
-
1960
- 1960-11-25 FR FR845012A patent/FR78739E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1035591A (fr) | 1953-08-26 |
| CH293157A (fr) | 1953-09-15 |
| FR64511E (fr) | 1955-11-14 |
| GB680512A (en) | 1952-10-08 |
| NL158378B (nl) | |
| FR78739E (fr) | 1962-08-31 |
| NL80176C (US20060009399A1-20060112-C00020.png) | 1955-08-15 |
| DE901665C (de) | 1954-01-14 |
| US2855599A (en) | 1958-10-07 |
| US2640930A (en) | 1953-06-02 |
| FR67351E (fr) | 1958-03-06 |
| FR70739E (fr) | 1959-07-10 |
| FR64853E (fr) | 1955-12-14 |
| DE831419C (de) | 1952-02-14 |
