FR401264A - Perfectionnements aux signaux sous-marins - Google Patents
Perfectionnements aux signaux sous-marinsInfo
- Publication number
- FR401264A FR401264A FR401264DA FR401264A FR 401264 A FR401264 A FR 401264A FR 401264D A FR401264D A FR 401264DA FR 401264 A FR401264 A FR 401264A
- Authority
- FR
- France
- Prior art keywords
- underwater signals
- underwater
- signals
- 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
- G01S1/72—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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR401264T | 1908-07-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR401264A true FR401264A (fr) | 1909-08-24 |
Family
ID=1446079
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR401264D Expired FR401264A (fr) | 1908-07-15 | 1908-07-15 | Perfectionnements aux signaux sous-marins |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR401264A (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2429104A (en) * | 1943-03-27 | 1947-10-14 | Rca Corp | Signal translating apparatus |
US2434900A (en) * | 1943-07-14 | 1948-01-27 | Bell Telephone Labor Inc | Sonic translating device |
DE1100354B (de) * | 1957-01-19 | 1961-02-23 | Koch August G Maschinen | Vorrichtung zum Erzeugen von starken Schall- und Infraschallwellen in freien Gewaessern mit grossem Fernwirkungsbereich |
-
1908
- 1908-07-15 FR FR401264D patent/FR401264A/fr not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2429104A (en) * | 1943-03-27 | 1947-10-14 | Rca Corp | Signal translating apparatus |
US2434900A (en) * | 1943-07-14 | 1948-01-27 | Bell Telephone Labor Inc | Sonic translating device |
DE1100354B (de) * | 1957-01-19 | 1961-02-23 | Koch August G Maschinen | Vorrichtung zum Erzeugen von starken Schall- und Infraschallwellen in freien Gewaessern mit grossem Fernwirkungsbereich |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR401264A (fr) | Perfectionnements aux signaux sous-marins | |
FR401832A (fr) | Perfectionnements apportés aux navires | |
FR397532A (fr) | Perfectionnements apportés aux torpilles | |
FR397433A (fr) | Perfectionnements aux phonographes | |
FR399388A (fr) | Perfectionnements aux gazogènes | |
FR403397A (fr) | Perfectionnements aux gazogènes | |
FR404263A (fr) | Perfectionnements apportés aux télémètres | |
FR394165A (fr) | Perfectionnements aux appareils de sauvetage maritimes | |
FR392196A (fr) | Perfectionnements apportés aux torpilles | |
FR440830A (fr) | Perfectionnements aux signaux sonores sous-marins | |
FR412802A (fr) | Perfectionnements aux appareils pour signaux sonores sous-marins | |
FR399794A (fr) | Perfectionnements aux membranes sonores | |
FR395840A (fr) | Perfectionnements aux aéroplanes | |
FR392765A (fr) | Perfectionnements aux appareils de sondage | |
FR395069A (fr) | Perfectionnements apportés aux accouplements | |
FR394356A (fr) | Perfectionnements aux registres | |
FR392599A (fr) | Perfectionnements apportés aux tarares | |
FR400209A (fr) | Perfectionnements aux robinets | |
FR403764A (fr) | Dispositif applicable aux microphones | |
FR390390A (fr) | Perfectionnements apportés aux pianos automatiques | |
FR363895A (fr) | Perfectionnements apportés aux graphophones | |
FR370094A (fr) | Perfectionnements aux navires | |
FR6257E (fr) | Perfectionnements aux phonographes | |
FR364372A (fr) | Perfectionnements aux phonographes | |
FR388174A (fr) | Perfectionnements apportés aux transmetteurs téléphoniques |