FR51301E - Perfectionnements apportés à la goniométrie - Google Patents
Perfectionnements apportés à la goniométrieInfo
- Publication number
- FR51301E FR51301E FR51301DA FR51301E FR 51301 E FR51301 E FR 51301E FR 51301D A FR51301D A FR 51301DA FR 51301 E FR51301 E FR 51301E
- Authority
- FR
- France
- Prior art keywords
- direction finding
- finding
- 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)
- Arrangements For Transmission Of Measured Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR2475190X | 1938-05-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR51301E true FR51301E (fr) | 1942-04-15 |
Family
ID=9685622
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR846500D Expired FR846500A (fr) | 1938-05-13 | 1938-05-13 | |
FR50655D Expired FR50655E (fr) | 1938-05-13 | 1939-02-10 | Perfectionnements apportés à la goniométrie |
FR51301D Expired FR51301E (fr) | 1938-05-13 | 1939-04-25 | Perfectionnements apportés à la goniométrie |
FR51474D Expired FR51474E (fr) | 1938-05-13 | 1939-05-11 | Perfectionnements apportés à la goniométrie |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR846500D Expired FR846500A (fr) | 1938-05-13 | 1938-05-13 | |
FR50655D Expired FR50655E (fr) | 1938-05-13 | 1939-02-10 | Perfectionnements apportés à la goniométrie |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR51474D Expired FR51474E (fr) | 1938-05-13 | 1939-05-11 | Perfectionnements apportés à la goniométrie |
Country Status (2)
Country | Link |
---|---|
US (1) | US2475190A (fr) |
FR (4) | FR846500A (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2599287A (en) * | 1950-05-23 | 1952-06-03 | Gen Electric | Wide frequency range power-factor meter |
US3226638A (en) * | 1962-02-26 | 1965-12-28 | Virginia R Brain | Apparatus for use in phase relationship determinations including a plurality of coils mounted on a flat structural member |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US982930A (en) * | 1907-03-18 | 1911-01-31 | Donald M Bliss | Electric signaling device. |
US1183881A (en) * | 1911-08-31 | 1916-05-23 | Carl G Koppitz | Apparatus for interconverting high-potential polyphase and direct electric currents. |
FR478456A (fr) * | 1914-05-23 | 1915-12-15 | Societa Anonima Italiana Gio Ansaldo & C | Nouveau dispositif de commande des hélices |
FR631558A (fr) * | 1926-04-03 | 1927-12-22 | Perfectionnements à la goniométrie magnétique et radioélectrique | |
US1774458A (en) * | 1927-09-22 | 1930-08-26 | Gen Electric | Compass |
GB339664A (en) * | 1929-08-13 | 1930-12-15 | Arthur Whitten Brown | Improvements in wireless direction finding systems |
US1982689A (en) * | 1931-03-16 | 1934-12-04 | Johnson Lab Inc | Magnetic core material |
US2151917A (en) * | 1935-07-24 | 1939-03-28 | Bendix Radio Corp | Radio apparatus |
NL54191C (nl) * | 1936-01-28 | 1943-04-15 | Telefunken Gmbh | Goniometer met ijzerhoudend materiaal voor peildoeleinden |
-
1938
- 1938-05-13 FR FR846500D patent/FR846500A/fr not_active Expired
-
1939
- 1939-02-10 FR FR50655D patent/FR50655E/fr not_active Expired
- 1939-04-25 FR FR51301D patent/FR51301E/fr not_active Expired
- 1939-05-06 US US272238A patent/US2475190A/en not_active Expired - Lifetime
- 1939-05-11 FR FR51474D patent/FR51474E/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR846500A (fr) | 1939-09-18 |
US2475190A (en) | 1949-07-05 |
FR51474E (fr) | 1942-08-12 |
FR50655E (fr) | 1941-02-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR51301E (fr) | Perfectionnements apportés à la goniométrie | |
FR988438A (fr) | Perfectionnements à la radiovision | |
FR859550A (fr) | Ski à arêtes métalliques | |
FR859062A (fr) | Stylomine à poussoir | |
FR861931A (fr) | Perfectionnements à la construction des avions | |
FR838485A (fr) | Métier à tisser | |
FR851937A (fr) | Pulvérisateur-diffuseur à disque | |
FR866611A (fr) | Perfectionnements à la construction des paliers | |
FR856677A (fr) | Perfectionnements à la soudure | |
FR844173A (fr) | Métier à tisser | |
FR839507A (fr) | Perfectionnements à la construction des navires | |
FR846538A (fr) | Meuble à double destination | |
FR861414A (fr) | Perfectionnement à la construction des roues | |
FR51053E (fr) | Perfectionnements à la radio-goniométrie | |
FR863776A (fr) | Perfectionnements à la radio-goniométrie | |
FR846302A (fr) | Instrument à dessiner | |
FR842139A (fr) | Règle à hachurer | |
FR855997A (fr) | Goniomètre | |
FR839209A (fr) | Fauteuil-divan à glissières | |
FR852497A (fr) | Perfectionnements à la soudure | |
FR837255A (fr) | Perfectionnements à la galvanoplastie | |
FR49992E (fr) | Carburateur à pulvérisation forcée | |
FR841270A (fr) | Carburateur à pulvérisation forcée | |
FR870329A (fr) | Perfectionnements à la construction des avions | |
FR913072A (fr) | Perfectionnement à la réfrigération |