BE504945A - - Google Patents
Info
- Publication number
- BE504945A BE504945A BE504945DA BE504945A BE 504945 A BE504945 A BE 504945A BE 504945D A BE504945D A BE 504945DA BE 504945 A BE504945 A BE 504945A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H2/00—Networks using elements or techniques not provided for in groups H03H3/00 - H03H21/00
- H03H2/005—Coupling circuits between transmission lines or antennas and transmitters, receivers or amplifiers
- H03H2/008—Receiver or amplifier input circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
- H01Q7/005—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with variable reactance for tuning the antenna
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US177363A US2641704A (en) | 1950-08-03 | 1950-08-03 | High-inductance loop antenna and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE504945A true BE504945A (US07122603-20061017-C00294.png) |
Family
ID=22648308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE504945D BE504945A (US07122603-20061017-C00294.png) | 1950-08-03 |
Country Status (7)
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2841791A (en) * | 1953-01-26 | 1958-07-01 | Allen Bradley Co | High dielectric type antenna |
| US2915752A (en) * | 1953-12-29 | 1959-12-01 | Raytheon Co | Directional antenna |
| BE537486A (US07122603-20061017-C00294.png) * | 1954-04-21 | |||
| US2797315A (en) * | 1954-10-04 | 1957-06-25 | Hoffman Electronics Corp | Portable loud-speaker type radio receiver with battery-saving earphone circuit |
| DE1061841B (de) * | 1955-01-24 | 1959-07-23 | Bendix Aviat Corp | Magnetische Peilantenne mit Mitteln zur Verminderung der Missweisung |
| US2882392A (en) * | 1955-03-09 | 1959-04-14 | Rca Corp | Receiver tuned by inductors with tracking by initial positionment of coils on cores |
| US2889453A (en) * | 1955-05-31 | 1959-06-02 | Gen Electric | Tunable transistor radio frequency amplifier having approximately constant bandwidth |
| US2883523A (en) * | 1955-09-07 | 1959-04-21 | Francis P Meserow | Wireless communication system |
| BE551962A (US07122603-20061017-C00294.png) * | 1955-10-21 | |||
| US2948888A (en) * | 1957-03-15 | 1960-08-09 | Avco Mfg Corp | Magnetic energy transmitter for a remote control system for a television receiver |
| US3018373A (en) * | 1958-07-10 | 1962-01-23 | Texas Instruments Inc | Antenna coupling circuit |
| US2996717A (en) * | 1959-02-06 | 1961-08-15 | Hazeltine Research Inc | Wave focusing antenna |
| US3051903A (en) * | 1959-12-30 | 1962-08-28 | Robert D Morrow | Radio antenna |
| US4314378A (en) * | 1979-05-25 | 1982-02-02 | Tractor, Inc. | Antenna low-noise Q spoiling circuit |
| DE102020100659B4 (de) * | 2020-01-14 | 2022-02-24 | Daniel Soppa | Kommunikationsvorrichtung, Kommunikationssystem sowie Verfahren zum Übertragen von Informationen |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE356248C (de) * | 1922-07-18 | Bruno Rosenbaum Dipl Ing | Rahmenantenne fuer drahtlose Zeichenuebermittlung | |
| US1020032A (en) * | 1903-07-27 | 1912-03-12 | Nat Electric Signaling Company | Signaling by electromagnetic waves. |
| BE217245A (US07122603-20061017-C00294.png) * | 1923-06-06 | |||
| FR775614A (fr) * | 1933-06-26 | 1935-01-05 | Siemens Ag | Bobine à haute fréquence |
| DE720977C (de) * | 1933-12-13 | 1942-05-20 | Telefunken Gmbh | Einrichtung zur Einstellung des Frequenzganges einer veraenderlichen Selbstinduktion in Hochfrequenzgeraeten |
| DE735429C (de) * | 1935-04-25 | 1943-05-14 | Lorenz C Ag | Rahmenantenne |
| US2051012A (en) * | 1935-06-26 | 1936-08-11 | Johnson Lab Inc | Permeability tuning means |
| DE738454C (de) * | 1938-08-21 | 1943-08-16 | Siemens Ag | Rahmenantenne |
| CH269434A (de) * | 1938-12-13 | 1950-06-30 | Standard Telephon & Radio Ag | Rahmenantenne. |
| US2350211A (en) * | 1939-03-04 | 1944-05-30 | Bergtold Fritz | Loop antenna with iron core |
| DE738203C (de) * | 1939-03-04 | 1943-08-05 | Telefunken Gmbh | Rahmenantenne mit ferromagnetischem Kern |
| DE707379C (de) * | 1939-03-12 | 1941-06-20 | Telefunken Gmbh | Peilantennensystem mit ferromagnetischem Kern |
| GB529980A (en) * | 1939-05-30 | 1940-12-03 | Alfred Augustus Thornton | Improvements in and relating to loop equipped radio receivers |
| US2316623A (en) * | 1940-06-29 | 1943-04-13 | Rca Corp | Loop antenna system |
| US2313231A (en) * | 1940-08-28 | 1943-03-09 | Colonial Radio Corp | Directional radio receiver |
| US2335969A (en) * | 1941-04-04 | 1943-12-07 | Johnson Lab Inc | Loop antenna system |
| CH223177A (de) * | 1941-08-21 | 1942-08-31 | Philips Nv | Abstimmvorrichtung für Überlagerungsempfänger. |
| US2370714A (en) * | 1942-09-30 | 1945-03-06 | Rca Corp | Variable permeability tuning device |
| US2383415A (en) * | 1943-03-11 | 1945-08-21 | Wladimir J Polydoroff | Loop antenna apparatus |
| GB632356A (en) * | 1944-05-09 | 1949-11-28 | Wladimir John Polydoroff | Improvements in and relating to loop antenna apparatus |
| BE478263A (US07122603-20061017-C00294.png) * | 1946-12-17 | |||
| DE807965C (de) * | 1947-06-21 | 1951-07-09 | Philips Nv | Schaltung zur UEbertragung elektrischer Schwingungen mit einem grossen Durchlassbereich |
-
0
- BE BE504945D patent/BE504945A/xx unknown
-
1950
- 1950-08-03 US US177363A patent/US2641704A/en not_active Expired - Lifetime
-
1951
- 1951-07-26 GB GB17755/51A patent/GB688175A/en not_active Expired
- 1951-08-01 FR FR1045903D patent/FR1045903A/fr not_active Expired
- 1951-08-02 ES ES0199063A patent/ES199063A1/es not_active Expired
- 1951-08-02 CH CH303098D patent/CH303098A/de unknown
- 1951-08-04 DE DER6477A patent/DE974577C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH303098A (de) | 1954-11-15 |
| FR1045903A (fr) | 1953-12-02 |
| GB688175A (en) | 1953-02-25 |
| ES199063A1 (es) | 1951-12-16 |
| US2641704A (en) | 1953-06-09 |
| DE974577C (de) | 1961-02-16 |
