FR23176E - Apparatus for underwater telegraphy - Google Patents
Apparatus for underwater telegraphyInfo
- Publication number
- FR23176E FR23176E FR23176A FR23176DA FR23176E FR 23176 E FR23176 E FR 23176E FR 23176 A FR23176 A FR 23176A FR 23176D A FR23176D A FR 23176DA FR 23176 E FR23176 E FR 23176E
- 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 |
---|---|
FR23176E true FR23176E (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 (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR502238A Expired FR502238A (en) | 1917-11-07 | 1915-05-12 | Apparatus for underwater telegraphy |
Family Applications After (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
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 |
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 |
---|---|
FR23184E (en) | 1921-10-18 |
FR23183E (en) | 1921-10-18 |
FR23182E (en) | 1921-10-18 |
FR502238A (en) | 1920-05-07 |
FR23177E (en) | 1921-10-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR524108A (en) | Apparatus for underwater telegraphy | |
FR23176E (en) | Apparatus for underwater telegraphy | |
FR483941A (en) | Breathing apparatus for minors | |
FR483012A (en) | Rescue apparatus for submarines | |
FR480556A (en) | Perspector apparatus | |
FR478234A (en) | Apparatus for dyeing | |
FR506578A (en) | Rescue device for divers | |
CH73923A (en) | Photogrpahic apparatus | |
FR477730A (en) | Printing telegraph device | |
CH69912A (en) | Cooking apparatus | |
FR453489A (en) | Apparatus for preparing litharge | |
CH64721A (en) | Apparatus for cinematographic projections | |
CH71442A (en) | Auto-cooker for military | |
FR492335A (en) | Vision device for underwater navigation | |
FR427877A (en) | Rescue device for underwater boats | |
FR479297A (en) | Apparatus for the production of toluene | |
FR449256A (en) | Apparatus for cinematographic projections | |
FR444519A (en) | Rescue apparatus for submarine crew | |
FR477741A (en) | Apparatus for the projection of cinematographic views | |
FR478374A (en) | Device for point determination | |
FR447987A (en) | Rescue apparatus for submersible | |
CH72385A (en) | Propelling device for swimming | |
FR455960A (en) | Rescue apparatus for castaways | |
DK19934C (en) | Device for Cinematographic Apparatus. | |
FR479042A (en) | Guardian-reducer for fractures |