BE546699A - - Google Patents
Info
- Publication number
- BE546699A BE546699A BE546699DA BE546699A BE 546699 A BE546699 A BE 546699A BE 546699D A BE546699D A BE 546699DA BE 546699 A BE546699 A BE 546699A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/28—Measuring attenuation, gain, phase shift or derived characteristics of electric four pole networks, i.e. two-port networks; Measuring transient response
- G01R27/32—Measuring attenuation, gain, phase shift or derived characteristics of electric four pole networks, i.e. two-port networks; Measuring transient response in circuits having distributed constants, e.g. having very long conductors or involving high frequencies
-
- 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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Control Of Multiple Motors (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US499046A US2861177A (en) | 1955-04-04 | 1955-04-04 | Control system for correcting phase and amplitude |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE546699A true BE546699A (fr) |
Family
ID=23983596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE546699D BE546699A (fr) | 1955-04-04 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2861177A (fr) |
| BE (1) | BE546699A (fr) |
| CH (1) | CH349308A (fr) |
| DE (1) | DE1053593B (fr) |
| FR (1) | FR69964E (fr) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3110027A (en) * | 1959-12-23 | 1963-11-05 | Servo Corp Of America | Reference modulation phase stabilizer |
| US3183507A (en) * | 1959-12-23 | 1965-05-11 | Servo Corp Of America | Radio navigation system |
| US3104352A (en) * | 1959-12-24 | 1963-09-17 | Gen Electric | Voltage regulator employing a narrow junction degenerate semiconductor diode |
| US3177489A (en) * | 1960-01-11 | 1965-04-06 | Thompson Ramo Wooldridge Inc | Interference suppression systems |
| US3195132A (en) * | 1962-01-16 | 1965-07-13 | Cutler Hammer Inc | Autocalibration of decoding receivers |
| US3267380A (en) * | 1962-10-19 | 1966-08-16 | Sichak Associates | Diversity phase control system using subcarrier identifying signals |
| US3358231A (en) * | 1963-09-19 | 1967-12-12 | Mcdonnell Aircraft Corp | Analogue signal correlator |
| US3683254A (en) * | 1971-02-22 | 1972-08-08 | Rca Corp | Servo system with noise cancellation |
| IL38104A (en) * | 1971-02-24 | 1974-01-14 | Hughes Aircraft Co | Adaptive power redistribution systems |
| US4300092A (en) * | 1980-03-24 | 1981-11-10 | Sperry Corporation | Phase match measuring system |
| US4348676A (en) * | 1980-09-09 | 1982-09-07 | Ford Aerospace & Communications Corporation | Automatic phase alignment system for a tracking antenna |
| US20080129613A1 (en) * | 2006-12-05 | 2008-06-05 | Nokia Corporation | Calibration for re-configurable active antennas |
| US9209523B2 (en) | 2012-02-24 | 2015-12-08 | Futurewei Technologies, Inc. | Apparatus and method for modular multi-sector active antenna system |
| US9130271B2 (en) * | 2012-02-24 | 2015-09-08 | Futurewei Technologies, Inc. | Apparatus and method for an active antenna system with near-field radio frequency probes |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2449174A (en) * | 1942-04-13 | 1948-09-14 | Decca Record Co Ltd | Antenna supply phase and amplitude control |
| US2358454A (en) * | 1942-04-29 | 1944-09-19 | Rca Corp | Automatic circuit tuning |
| US2562943A (en) * | 1943-12-30 | 1951-08-07 | Sperry Corp | Frequency control apparatus |
| US2520823A (en) * | 1946-04-10 | 1950-08-29 | Premier Crystal Lab Inc | Oscillator frequency control |
| US2479817A (en) * | 1946-10-23 | 1949-08-23 | Amalgamated Wireless Australas | Frequency comparator |
| US2691733A (en) * | 1951-02-28 | 1954-10-12 | Rca Corp | Automatic frequency control |
| US2745067A (en) * | 1951-06-28 | 1956-05-08 | True Virgil | Automatic impedance matching apparatus |
-
0
- BE BE546699D patent/BE546699A/xx unknown
-
1955
- 1955-04-04 US US499046A patent/US2861177A/en not_active Expired - Lifetime
-
1956
- 1956-04-03 FR FR69964D patent/FR69964E/fr not_active Expired
- 1956-04-04 CH CH349308D patent/CH349308A/de unknown
- 1956-04-04 DE DEI11516A patent/DE1053593B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1053593B (de) | 1959-03-26 |
| FR69964E (fr) | 1959-01-30 |
| CH349308A (de) | 1960-10-15 |
| US2861177A (en) | 1958-11-18 |