FR1016909A - Perfectionnements aux appareils indicateurs - Google Patents
Perfectionnements aux appareils indicateursInfo
- Publication number
- FR1016909A FR1016909A FR1016909DA FR1016909A FR 1016909 A FR1016909 A FR 1016909A FR 1016909D A FR1016909D A FR 1016909DA FR 1016909 A FR1016909 A FR 1016909A
- Authority
- FR
- France
- Prior art keywords
- indicating devices
- indicating
- devices
- 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
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
- G01C17/36—Repeaters for remote indication of readings of a master compass
-
- 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)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1016909XA | 1944-10-31 | 1944-10-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1016909A true FR1016909A (fr) | 1952-11-26 |
Family
ID=22285911
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1016909D Expired FR1016909A (fr) | 1944-10-31 | 1947-08-02 | Perfectionnements aux appareils indicateurs |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1016909A (fr) |
-
1947
- 1947-08-02 FR FR1016909D patent/FR1016909A/fr not_active Expired
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