BE447212A - - Google Patents
Info
- Publication number
- BE447212A BE447212A BE447212DA BE447212A BE 447212 A BE447212 A BE 447212A BE 447212D A BE447212D A BE 447212DA BE 447212 A BE447212 A BE 447212A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/18—Automatic scanning over a band of frequencies
- H03J7/32—Automatic scanning over a band of frequencies with simultaneous display of received frequencies, e.g. panoramic receivers
-
- 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
-
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
- G01S7/4004—Means for monitoring or calibrating of parts of a radar system
- G01S7/4008—Means for monitoring or calibrating of parts of a radar system of transmitters
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Details Of Television Scanning (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR257589X | 1941-06-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE447212A true BE447212A (en:Method) |
Family
ID=8884719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE447212D BE447212A (en:Method) | 1941-06-21 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2520141A (en:Method) |
| BE (1) | BE447212A (en:Method) |
| CH (1) | CH257589A (en:Method) |
| FR (1) | FR959699A (en:Method) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2619590A (en) * | 1946-04-26 | 1952-11-25 | Everard M Williams | Discriminating panoramic receiver |
| US2689911A (en) * | 1946-09-24 | 1954-09-21 | Us Navy | Sweep voltage generator |
| US2936762A (en) * | 1952-06-05 | 1960-05-17 | Bernard Pierre Denis | Application of modulated decreasing frequencies to the body |
| US3066257A (en) * | 1953-04-20 | 1962-11-27 | Itt | Frequency analysis and measurement system |
| DE2164522C2 (de) * | 1971-12-24 | 1983-08-18 | M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8900 Augsburg | Heißgaskolbenmaschine |
| US3980926A (en) * | 1974-01-30 | 1976-09-14 | Honeywell Inc. | Spiral scan display apparatus with transient suppression means |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE22150E (en) * | 1942-08-04 | Cathode bat oscilloscope | ||
| US1917268A (en) * | 1930-04-11 | 1933-07-11 | Nat Electrical Supply Company | Multiple frequency receiving system |
| US1994232A (en) * | 1933-02-02 | 1935-03-12 | Jr Oscar H Schuck | Wave analyzer |
| US2084760A (en) * | 1934-04-10 | 1937-06-22 | Rca Corp | System for radio spectrography |
| US2098695A (en) * | 1934-11-06 | 1937-11-09 | Laurence F Southwick | Electrocardiograph apparatus |
| US2130913A (en) * | 1935-04-30 | 1938-09-20 | Rca Corp | System for the communication of intelligence |
| DE685095C (de) * | 1935-08-14 | 1939-12-11 | Siemens & Halske Akt Ges | Frequenzanalysator mit unmittelbarer Anzeige ueber das gesamte zu untersuchende Frequenzspektrum durch eine oszillographische Vorrichtung |
| GB465461A (en) * | 1935-10-29 | 1937-04-29 | James Robinson | Improvements in or relating to wireless and like signalling apparatus |
| GB518031A (en) * | 1937-09-09 | 1940-02-15 | Standard Telephones Cables Ltd | Indicator systems for wireless apparatus or the like |
| US2279151A (en) * | 1938-02-21 | 1942-04-07 | Panoramic Radio Corp | Panoramic radio receiving system |
| US2189549A (en) * | 1938-03-18 | 1940-02-06 | Rca Corp | Antenna switching system |
| US2273914A (en) * | 1938-04-26 | 1942-02-24 | Panoramic Radio Corp | Radio navigation system |
| FR846835A (fr) * | 1938-06-03 | 1939-09-26 | Procédé de guidage d'un mobile tel qu'un avion ou un navire | |
| US2213886A (en) * | 1938-07-08 | 1940-09-03 | John T Potter | Radio recorder |
| US2233275A (en) * | 1939-01-31 | 1941-02-25 | Rca Corp | Navigational instrument |
| US2275460A (en) * | 1939-11-01 | 1942-03-10 | Robert M Page | Electron beam control apparatus |
| US2312203A (en) * | 1940-04-20 | 1943-02-23 | Panoramic Lab Inc | Radio beacon and panoramic reception system |
| US2378604A (en) * | 1940-09-21 | 1945-06-19 | Wallace Marcel | Radio altimeter and panoramic reception system |
-
0
- BE BE447212D patent/BE447212A/xx unknown
- FR FR959699D patent/FR959699A/fr not_active Expired
-
1943
- 1943-04-10 CH CH257589D patent/CH257589A/fr unknown
- 1943-05-24 US US488296A patent/US2520141A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CH257589A (fr) | 1948-10-15 |
| US2520141A (en) | 1950-08-29 |
| FR959699A (en:Method) | 1950-03-31 |