FR928738A - Improvements to radio headlight systems - Google Patents
Improvements to radio headlight systemsInfo
- Publication number
- FR928738A FR928738A FR928738DA FR928738A FR 928738 A FR928738 A FR 928738A FR 928738D A FR928738D A FR 928738DA FR 928738 A FR928738 A FR 928738A
- Authority
- FR
- France
- Prior art keywords
- radio
- headlight systems
- headlight
- systems
- radio headlight
- 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
-
- 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)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US604462XA | 1942-04-13 | 1942-04-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR928738A true FR928738A (en) | 1947-12-05 |
Family
ID=22029526
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR928738D Expired FR928738A (en) | 1942-04-13 | 1946-04-18 | Improvements to radio headlight systems |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE466300A (en) |
CH (1) | CH257134A (en) |
FR (1) | FR928738A (en) |
GB (1) | GB604462A (en) |
-
0
- BE BE466300D patent/BE466300A/xx unknown
-
1943
- 1943-04-12 GB GB23173/45A patent/GB604462A/en not_active Expired
-
1946
- 1946-03-20 CH CH257134D patent/CH257134A/en unknown
- 1946-04-18 FR FR928738D patent/FR928738A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB604462A (en) | 1948-07-05 |
CH257134A (en) | 1948-09-30 |
BE466300A (en) |
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