BE476848A - - Google Patents
Info
- Publication number
- BE476848A BE476848A BE476848DA BE476848A BE 476848 A BE476848 A BE 476848A BE 476848D A BE476848D A BE 476848DA BE 476848 A BE476848 A BE 476848A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/34—Networks for connecting several sources or loads working on different frequencies or frequency bands, to a common load or source
- H03H11/346—Networks for connecting several sources or loads working on different frequencies or frequency bands, to a common load or source particularly adapted as input circuit for receivers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/04—Details
- G01S3/06—Means for increasing effective directivity, e.g. by combining signals having differently oriented directivity characteristics or by sharpening the envelope waveform of the signal derived from a rotating or oscillating beam antenna
- G01S3/065—Means for increasing effective directivity, e.g. by combining signals having differently oriented directivity characteristics or by sharpening the envelope waveform of the signal derived from a rotating or oscillating beam antenna by using non-directional aerial
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US500076A US2457123A (en) | 1943-08-26 | 1943-08-26 | Coupling arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE476848A true BE476848A (da) |
Family
ID=23987942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE476848D BE476848A (da) | 1943-08-26 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2457123A (da) |
| BE (1) | BE476848A (da) |
| ES (1) | ES179899A1 (da) |
| FR (1) | FR952689A (da) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2578836A (en) * | 1947-12-03 | 1951-12-18 | Gen Bronze Corp | Television and radio distribution system |
| US2628312A (en) * | 1949-05-24 | 1953-02-10 | Rca Corp | Receiving station antenna distribution system |
| US2724772A (en) * | 1950-05-10 | 1955-11-22 | Decca Record Co Ltd | Aircraft radio antennae |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1313483A (en) * | 1919-08-19 | High-freqttency-carrier telephony | ||
| US1912766A (en) * | 1923-06-27 | 1933-06-06 | Telefunken Gmbh | Receiving arrangement with aperiodic directional aerial system |
| US2003962A (en) * | 1929-03-29 | 1935-06-04 | Rca Corp | Radio frequency distribution system |
| US1853181A (en) * | 1930-02-06 | 1932-04-12 | Rca Corp | Centralized radio system |
| US2000190A (en) * | 1931-08-28 | 1935-05-07 | Bell Telephone Labor Inc | Radio receiving system |
| US1971235A (en) * | 1931-11-28 | 1934-08-21 | Bell Telephone Labor Inc | Radio receiving system |
| US2054799A (en) * | 1932-04-20 | 1936-09-22 | Telefunken Gmbh | High frequency distribution system |
| US2006994A (en) * | 1932-05-10 | 1935-07-02 | Rca Corp | Radio frequency distribution system |
| US2129075A (en) * | 1936-02-19 | 1938-09-06 | Rca Corp | Centralized radio system for short and broadcast waves |
| NL84932B (da) * | 1936-11-07 | 1900-01-01 | ||
| US2179414A (en) * | 1937-05-25 | 1939-11-07 | Philco Radio & Television Corp | Contrast amplifier |
| US2229043A (en) * | 1939-01-28 | 1941-01-21 | Wired Radio Inc | Radio reception system |
| US2229044A (en) * | 1939-10-11 | 1941-01-21 | Wired Radio Inc | Radio receiving method and system |
| US2411706A (en) * | 1942-06-03 | 1946-11-26 | Gen Electric | Phase inverter circuit |
-
0
- BE BE476848D patent/BE476848A/xx unknown
-
1943
- 1943-08-26 US US500076A patent/US2457123A/en not_active Expired - Lifetime
-
1947
- 1947-08-05 FR FR952689D patent/FR952689A/fr not_active Expired
- 1947-09-27 ES ES0179899A patent/ES179899A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR952689A (fr) | 1949-11-22 |
| US2457123A (en) | 1948-12-28 |
| ES179899A1 (es) | 1947-11-01 |