FR22069E - Verifying device for underwater acoustic receivers - Google Patents
Verifying device for underwater acoustic receiversInfo
- Publication number
- FR22069E FR22069E FR22069A FR22069DA FR22069E FR 22069 E FR22069 E FR 22069E FR 22069 A FR22069 A FR 22069A FR 22069D A FR22069D A FR 22069DA FR 22069 E FR22069 E FR 22069E
- Authority
- FR
- France
- Prior art keywords
- underwater acoustic
- verifying device
- acoustic receivers
- receivers
- verifying
- 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
- H04B—TRANSMISSION
- H04B11/00—Transmission systems employing sonic, ultrasonic or infrasonic waves
-
- 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)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Mobile Radio Communication Systems (AREA)
- Examining Or Testing Airtightness (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE191303934X | 1912-03-09 | ||
DE191501751X | 1914-02-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR22069E true FR22069E (en) | 1921-05-12 |
Family
ID=32870602
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR454425A Expired FR454425A (en) | 1912-03-09 | 1913-02-15 | Verifying device for underwater acoustic receivers |
FR22069A Expired FR22069E (en) | 1912-03-09 | 1915-02-02 | Verifying device for underwater acoustic receivers |
FR22075D Expired FR22075E (en) | 1912-03-09 | 1915-02-23 | Verifying device for underwater acoustic receivers |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR454425A Expired FR454425A (en) | 1912-03-09 | 1913-02-15 | Verifying device for underwater acoustic receivers |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR22075D Expired FR22075E (en) | 1912-03-09 | 1915-02-23 | Verifying device for underwater acoustic receivers |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE301260C (en) |
FR (3) | FR454425A (en) |
GB (2) | GB191303934A (en) |
-
0
- DE DENDAT301260D patent/DE301260C/de active Active
-
1913
- 1913-02-15 FR FR454425A patent/FR454425A/en not_active Expired
- 1913-02-15 GB GB191303934D patent/GB191303934A/en not_active Expired
-
1915
- 1915-02-02 FR FR22069A patent/FR22069E/en not_active Expired
- 1915-02-03 GB GB191501751D patent/GB191501751A/en not_active Expired
- 1915-02-23 FR FR22075D patent/FR22075E/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB191501751A (en) | 1915-12-16 |
DE301260C (en) | |
FR22075E (en) | 1921-05-12 |
GB191303934A (en) | 1914-01-15 |
FR454425A (en) | 1913-07-04 |
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