FR881520A - Procédé de relèvement du but - Google Patents
Procédé de relèvement du butInfo
- Publication number
- FR881520A FR881520A FR881520DA FR881520A FR 881520 A FR881520 A FR 881520A FR 881520D A FR881520D A FR 881520DA FR 881520 A FR881520 A FR 881520A
- Authority
- FR
- France
- Prior art keywords
- goal
- raising
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/10—Polarisation diversity; Directional diversity
-
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE235061X | 1941-05-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR881520A true FR881520A (fr) | 1943-04-28 |
Family
ID=5894903
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR881520D Expired FR881520A (fr) | 1941-05-17 | 1942-04-24 | Procédé de relèvement du but |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE445530A (enrdf_load_stackoverflow) |
CH (1) | CH235061A (enrdf_load_stackoverflow) |
FR (1) | FR881520A (enrdf_load_stackoverflow) |
NL (1) | NL60556C (enrdf_load_stackoverflow) |
-
0
- BE BE445530D patent/BE445530A/xx unknown
- NL NL60556D patent/NL60556C/xx active
-
1942
- 1942-03-24 CH CH235061D patent/CH235061A/de unknown
- 1942-04-24 FR FR881520D patent/FR881520A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL60556C (enrdf_load_stackoverflow) | |
CH235061A (de) | 1944-11-15 |
BE445530A (enrdf_load_stackoverflow) |
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