BE477481A - - Google Patents
Info
- Publication number
- BE477481A BE477481A BE477481DA BE477481A BE 477481 A BE477481 A BE 477481A BE 477481D A BE477481D A BE 477481DA BE 477481 A BE477481 A BE 477481A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
- H04B7/17—Ground-based stations employing pulse modulation, e.g. pulse code modulation
-
- 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
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Signal Processing (AREA)
- Radio Relay Systems (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Mobile Radio Communication Systems (AREA)
- Traffic Control Systems (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US534284A US2421017A (en) | 1944-05-05 | 1944-05-05 | Communication and guiding system |
Publications (1)
Publication Number | Publication Date |
---|---|
BE477481A true BE477481A (de) |
Family
ID=24129435
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE474663D BE474663A (de) | 1944-05-05 | ||
BE477481D BE477481A (de) | 1944-05-05 | ||
BE482468D BE482468A (de) | 1944-05-05 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE474663D BE474663A (de) | 1944-05-05 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE482468D BE482468A (de) | 1944-05-05 |
Country Status (5)
Country | Link |
---|---|
US (1) | US2421017A (de) |
BE (3) | BE482468A (de) |
CH (2) | CH283937A (de) |
ES (1) | ES178737A1 (de) |
GB (2) | GB604445A (de) |
Families Citing this family (46)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2732548A (en) * | 1956-01-24 | Electronic system for correlating | ||
US2626348A (en) * | 1945-08-08 | 1953-01-20 | Westinghouse Electric Corp | Airborne radio relay and broadcast system |
GB587351A (en) * | 1943-09-15 | 1947-04-23 | Frederick Calland Williams | Improvements in or relating to radio navigation systems |
BE480685A (de) * | 1944-04-29 | |||
US2471416A (en) * | 1944-05-05 | 1949-05-31 | Standard Telephones Cables Ltd | Radio communicating system |
BE474059A (de) * | 1944-08-25 | |||
US2532719A (en) * | 1944-10-16 | 1950-12-05 | John H Homrighous | Dimensional radio communication system |
US2523295A (en) * | 1945-06-07 | 1950-09-26 | Farnsworth Res Corp | Airways navigational system |
US2531393A (en) * | 1945-06-08 | 1950-11-28 | Burnight T Robert | Electronic coordinating system |
US2523748A (en) * | 1946-01-29 | 1950-09-26 | Bell Telephone Labor Inc | Carrier telegraph system |
BE471236A (de) * | 1946-02-15 | |||
US2481516A (en) * | 1946-03-22 | 1949-09-13 | Lance R Jacobsen | Mobile telephone system |
US2535107A (en) * | 1946-04-19 | 1950-12-26 | Panoramic Radio Corp | Navigational system |
US2672607A (en) * | 1946-06-10 | 1954-03-16 | Jr James H Mulligan | System for suppressing unwanted recognition signals |
US2649540A (en) * | 1946-07-08 | 1953-08-18 | John H Homrighous | Multiplex radiophone communication system |
US2637022A (en) * | 1947-01-16 | 1953-04-28 | Radio Industrie Sa | Communication system between two stations linked by television |
NL139323B (nl) * | 1947-03-19 | Ici Ltd | Werkwijze voor het polymeriseren van alkenen-1. | |
US2525815A (en) * | 1947-03-20 | 1950-10-17 | Raymond G Lloyd | System of radio aids for aerial navigation |
US2608684A (en) * | 1947-03-29 | 1952-08-26 | Standard Telephones Cables Ltd | Radio navigation system |
US2579591A (en) * | 1947-04-19 | 1951-12-25 | Westinghouse Electric Corp | Relay system |
US2588916A (en) * | 1948-02-02 | 1952-03-11 | Gen Railway Signal Co | Navigational system for airways traffic control |
US2588930A (en) * | 1947-04-22 | 1952-03-11 | Gen Railway Signal Co | Airway traffic control system |
US2623208A (en) * | 1947-06-16 | 1952-12-23 | Wallace | Traffic control system |
US2524776A (en) * | 1947-07-02 | 1950-10-10 | Standard Telephones Cables Ltd | Pulse time modulation repeater system |
US2631194A (en) * | 1947-07-22 | 1953-03-10 | Int Standard Electric Corp | Telecommunication system |
US2490061A (en) * | 1947-07-31 | 1949-12-06 | United Air Lines Inc | Radio-wire communication system |
US2636166A (en) * | 1947-09-10 | 1953-04-21 | Rca Corp | Bearing deviation indication system |
US2502317A (en) * | 1947-09-30 | 1950-03-28 | Rca Corp | Radio navigation |
US2534844A (en) * | 1947-11-26 | 1950-12-19 | Panoramic Radio Corp | Gated triple synchrometric system |
US2666198A (en) * | 1948-03-15 | 1954-01-12 | Wallace | Synchrometric radar system |
US2980903A (en) * | 1948-03-19 | 1961-04-18 | Goodyear Aircraft Corp | Radar-command system of time coded pulses |
US2572235A (en) * | 1948-03-30 | 1951-10-23 | Bell Telephone Labor Inc | Multichannel intermodulation interference reduction radio communication system |
US2514436A (en) * | 1948-06-18 | 1950-07-11 | Luis W Alvarez | Airway monitoring and control system |
GB651604A (de) * | 1948-09-09 | |||
US2642524A (en) * | 1948-11-04 | 1953-06-16 | Gen Electric Co Ltd | Radio communication system |
US2800651A (en) * | 1948-11-30 | 1957-07-23 | Rca Corp | Radio beacon |
US2781509A (en) * | 1948-11-30 | 1957-02-12 | Rca Corp | Side-lobe rejection circuit for pulse radar system |
US2678437A (en) * | 1949-04-27 | 1954-05-11 | Gen Railway Signal Co | Air traffic control system |
US2571386A (en) * | 1949-09-16 | 1951-10-16 | Rca Corp | Early warning relay system |
US2918532A (en) * | 1955-02-25 | 1959-12-22 | Itt | Multiplex transmission system |
USRE24590E (en) * | 1952-04-07 | 1959-01-20 | parker | |
US2887659A (en) * | 1955-07-26 | 1959-05-19 | Bendix Aviat Corp | Signal network |
US2904674A (en) * | 1956-11-29 | 1959-09-15 | Bell Telephone Labor Inc | Radiant energy highway communication system with controlled directive antenna |
US3539924A (en) * | 1967-10-12 | 1970-11-10 | Bell Telephone Labor Inc | Zoned mobile radio telephone system |
JPH0530000A (ja) * | 1991-07-18 | 1993-02-05 | Fujitsu Ltd | 移動体通信方式 |
US7973730B2 (en) * | 2006-12-29 | 2011-07-05 | Broadcom Corporation | Adjustable integrated circuit antenna structure |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2322225A (en) * | 1939-07-29 | 1943-06-22 | Carl J Crane | Aircraft automatic take-off, flight, and landing |
-
0
- BE BE474663D patent/BE474663A/xx unknown
- BE BE477481D patent/BE477481A/xx unknown
- BE BE482468D patent/BE482468A/xx unknown
-
1944
- 1944-05-05 US US534284A patent/US2421017A/en not_active Expired - Lifetime
-
1945
- 1945-04-27 GB GB10724/45A patent/GB604445A/en not_active Expired
-
1947
- 1947-03-21 GB GB7814/47A patent/GB625478A/en not_active Expired
- 1947-07-02 ES ES0178737A patent/ES178737A1/es not_active Expired
- 1947-08-02 CH CH283937D patent/CH283937A/fr unknown
- 1947-08-27 CH CH281168D patent/CH281168A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
GB625478A (en) | 1949-06-28 |
CH281168A (fr) | 1952-02-29 |
BE482468A (de) | |
BE474663A (de) | |
CH283937A (fr) | 1952-06-30 |
GB604445A (en) | 1948-07-05 |
US2421017A (en) | 1947-05-27 |
ES178737A1 (es) | 1947-09-01 |