BE472340A - - Google Patents
Info
- Publication number
- BE472340A BE472340A BE472340DA BE472340A BE 472340 A BE472340 A BE 472340A BE 472340D A BE472340D A BE 472340DA BE 472340 A BE472340 A BE 472340A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
- G01S13/103—Systems for measuring distance only using transmission of interrupted, pulse modulated waves particularities of the measurement of the distance
-
- 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)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Particle Accelerators (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US505024A US2422205A (en) | 1943-10-05 | 1943-10-05 | Range indicator |
US573194A US2468302A (en) | 1943-10-05 | 1945-01-17 | Quadrature phase shifting circuit |
US575449A US2434669A (en) | 1943-10-05 | 1945-01-31 | Oscillation generator |
Publications (1)
Publication Number | Publication Date |
---|---|
BE472340A true BE472340A (xx) |
Family
ID=27414271
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE472340D BE472340A (xx) | 1943-10-05 |
Country Status (4)
Country | Link |
---|---|
US (2) | US2468302A (xx) |
BE (1) | BE472340A (xx) |
FR (1) | FR945674A (xx) |
GB (1) | GB587592A (xx) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2638550A (en) * | 1946-08-10 | 1953-05-12 | Faximile Inc | Variable frequency oscillator |
US2668238A (en) * | 1946-08-20 | 1954-02-02 | Frederick W Frink | Wide-band phase shifting means |
US2547523A (en) * | 1947-10-30 | 1951-04-03 | Western Electric Co | Electronic pulse generator |
US2544466A (en) * | 1950-04-27 | 1951-03-06 | Larned A Meacham | Electronic musical entertainment device |
US3031909A (en) * | 1955-09-28 | 1962-05-01 | White James Paul | Apparatus for tone quality control |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1240206A (en) * | 1915-10-12 | 1917-09-18 | Western Electric Co | Oscillation-generator. |
FR580373A (xx) * | 1923-03-31 | 1924-11-05 | ||
GB304382A (en) * | 1927-10-24 | 1929-01-24 | John Knowles Im Thurn | Improvements in and relating to transmitting apparatus for wireless telegraphy |
US2124973A (en) * | 1936-11-13 | 1938-07-26 | Justin L Fearing | Wave translating method and circuits |
US2231955A (en) * | 1938-02-25 | 1941-02-18 | Rca Corp | Phase shifting device |
GB516358A (en) * | 1938-06-21 | 1939-01-01 | Standard Telephones Cables Ltd | Stabilized negative resistance and conductance devices |
US2324797A (en) * | 1941-09-17 | 1943-07-20 | Bell Telephone Labor Inc | Differentiating amplifier |
US2332253A (en) * | 1942-01-21 | 1943-10-19 | Rca Corp | Combining unit |
-
0
- BE BE472340D patent/BE472340A/xx unknown
-
1944
- 1944-09-29 GB GB18736/44A patent/GB587592A/en not_active Expired
-
1945
- 1945-01-17 US US573194A patent/US2468302A/en not_active Expired - Lifetime
- 1945-01-31 US US575449A patent/US2434669A/en not_active Expired - Lifetime
-
1947
- 1947-04-25 FR FR945674D patent/FR945674A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2434669A (en) | 1948-01-20 |
GB587592A (en) | 1947-04-30 |
FR945674A (fr) | 1949-05-11 |
US2468302A (en) | 1949-04-26 |