FR757193A - Perfectionnements relatifs à des dispositifs de repérage d'avions - Google Patents
Perfectionnements relatifs à des dispositifs de repérage d'avionsInfo
- Publication number
- FR757193A FR757193A FR757193DA FR757193A FR 757193 A FR757193 A FR 757193A FR 757193D A FR757193D A FR 757193DA FR 757193 A FR757193 A FR 757193A
- Authority
- FR
- France
- Prior art keywords
- tracking devices
- improvements relating
- aircraft tracking
- aircraft
- relating
- 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
- G01S1/72—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 ultrasonic, sonic or infrasonic 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)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US611448A US2003661A (en) | 1932-05-16 | 1932-05-16 | Searchlight director |
Publications (1)
Publication Number | Publication Date |
---|---|
FR757193A true FR757193A (fr) | 1933-12-21 |
Family
ID=24449061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR757193D Expired FR757193A (fr) | 1932-05-16 | 1933-05-08 | Perfectionnements relatifs à des dispositifs de repérage d'avions |
Country Status (3)
Country | Link |
---|---|
US (1) | US2003661A (fr) |
FR (1) | FR757193A (fr) |
NL (1) | NL37447C (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2424193A (en) * | 1939-08-16 | 1947-07-15 | Rost Helge Fabian | Self-steering device |
US2523398A (en) * | 1940-06-29 | 1950-09-26 | Bell Telephone Labor Inc | Radio wave transmission |
US2419999A (en) * | 1941-06-14 | 1947-05-06 | Rca Corp | Orienting mechanism for pulse echo systems |
US2617982A (en) * | 1942-04-30 | 1952-11-11 | Sperry Corp | Radio gun control system |
US2416562A (en) * | 1942-11-09 | 1947-02-25 | Gen Electric | Follow-up system |
US2700920A (en) * | 1944-11-10 | 1955-02-01 | United Shoe Machinery Corp | Instrument control mount |
US2803819A (en) * | 1945-06-07 | 1957-08-20 | William R Blair | Object locating system |
US2543188A (en) * | 1947-04-15 | 1951-02-27 | Tomlinson I Moseley | Radar scanner apparatus |
US20060102764A1 (en) * | 2004-11-17 | 2006-05-18 | Naeckel Arno T Jr | Disposable Variable Depth Anchor Cable Pack |
-
1932
- 1932-05-16 US US611448A patent/US2003661A/en not_active Expired - Lifetime
-
1933
- 1933-04-21 NL NL65038A patent/NL37447C/xx active
- 1933-05-08 FR FR757193D patent/FR757193A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL37447C (fr) | 1936-02-15 |
US2003661A (en) | 1935-06-04 |
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