FR23183E - Apparatus for underwater telegraphy - Google Patents
Apparatus for underwater telegraphyInfo
- Publication number
- FR23183E FR23183E FR23183A FR23183DA FR23183E FR 23183 E FR23183 E FR 23183E FR 23183 A FR23183 A FR 23183A FR 23183D A FR23183D A FR 23183DA FR 23183 E FR23183 E FR 23183E
- Authority
- FR
- France
- Prior art keywords
- telegraphy
- underwater
- underwater telegraphy
- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L15/00—Apparatus or local circuits for transmitting or receiving dot-and-dash codes, e.g. Morse code
- H04L15/24—Apparatus or circuits at the receiving end
- H04L15/28—Code reproducing apparatus
- H04L15/30—Writing recorders
-
- 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)
- Signal Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR23184T | 1917-11-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR23183E true FR23183E (en) | 1921-10-18 |
Family
ID=8661962
Family Applications (6)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR502238A Expired FR502238A (en) | 1917-11-07 | 1915-05-12 | Apparatus for underwater telegraphy |
FR23176A Expired FR23176E (en) | 1917-11-07 | 1915-07-12 | Apparatus for underwater telegraphy |
FR23177A Expired FR23177E (en) | 1917-11-07 | 1915-08-05 | Apparatus for underwater telegraphy |
FR23182A Expired FR23182E (en) | 1917-11-07 | 1917-08-03 | Apparatus for underwater telegraphy |
FR23183A Expired FR23183E (en) | 1917-11-07 | 1917-10-03 | Apparatus for underwater telegraphy |
FR23184A Expired FR23184E (en) | 1917-11-07 | 1917-11-07 | Apparatus for underwater telegraphy |
Family Applications Before (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR502238A Expired FR502238A (en) | 1917-11-07 | 1915-05-12 | Apparatus for underwater telegraphy |
FR23176A Expired FR23176E (en) | 1917-11-07 | 1915-07-12 | Apparatus for underwater telegraphy |
FR23177A Expired FR23177E (en) | 1917-11-07 | 1915-08-05 | Apparatus for underwater telegraphy |
FR23182A Expired FR23182E (en) | 1917-11-07 | 1917-08-03 | Apparatus for underwater telegraphy |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR23184A Expired FR23184E (en) | 1917-11-07 | 1917-11-07 | Apparatus for underwater telegraphy |
Country Status (1)
Country | Link |
---|---|
FR (6) | FR502238A (en) |
-
1915
- 1915-05-12 FR FR502238A patent/FR502238A/en not_active Expired
- 1915-07-12 FR FR23176A patent/FR23176E/en not_active Expired
- 1915-08-05 FR FR23177A patent/FR23177E/en not_active Expired
-
1917
- 1917-08-03 FR FR23182A patent/FR23182E/en not_active Expired
- 1917-10-03 FR FR23183A patent/FR23183E/en not_active Expired
- 1917-11-07 FR FR23184A patent/FR23184E/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR23182E (en) | 1921-10-18 |
FR23184E (en) | 1921-10-18 |
FR23177E (en) | 1921-10-18 |
FR502238A (en) | 1920-05-07 |
FR23176E (en) | 1921-10-18 |
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