FR42677E - Perfectionnements aux systèmes de mesure d'altitude - Google Patents
Perfectionnements aux systèmes de mesure d'altitudeInfo
- Publication number
- FR42677E FR42677E FR42677DA FR42677E FR 42677 E FR42677 E FR 42677E FR 42677D A FR42677D A FR 42677DA FR 42677 E FR42677 E FR 42677E
- Authority
- FR
- France
- Prior art keywords
- measurement systems
- altitude measurement
- altitude
- systems
- measurement
- 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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/06—Systems determining the position data of a target
- G01S15/08—Systems for measuring distance only
- G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated 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
-
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/523—Details of pulse systems
- G01S7/526—Receivers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US461620A US1889614A (en) | 1930-06-16 | 1930-06-16 | Sound wave apparatus |
US580115A US1973673A (en) | 1930-06-16 | 1931-12-10 | Sound or air wave apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
FR42677E true FR42677E (fr) | 1933-09-01 |
Family
ID=27040069
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR718556D Expired FR718556A (fr) | 1930-06-16 | 1931-06-12 | Perfectionnements aux systèmes de mesure d'altitude |
FR42677D Expired FR42677E (fr) | 1930-06-16 | 1932-12-10 | Perfectionnements aux systèmes de mesure d'altitude |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR718556D Expired FR718556A (fr) | 1930-06-16 | 1931-06-12 | Perfectionnements aux systèmes de mesure d'altitude |
Country Status (4)
Country | Link |
---|---|
US (2) | US1889614A (fr) |
DE (2) | DE699653C (fr) |
FR (2) | FR718556A (fr) |
GB (2) | GB379429A (fr) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3125754A (en) * | 1964-03-17 | P-plop | ||
DE925198C (de) * | 1936-04-28 | 1955-03-14 | Telefunken Gmbh | Einrichtung zur gleichzeitigen Anzeige sowohl des Abstandes als auch der genauen Richtung mehrerer reflektierender Gegenstaende |
DE746680C (de) * | 1937-04-10 | 1944-12-27 | Akustisches Peilgeraet | |
FR961701A (fr) * | 1939-12-05 | 1950-05-19 | ||
US2447069A (en) * | 1940-02-05 | 1948-08-17 | Jr Philo Holcomb | Signaling buoy |
US2435253A (en) * | 1940-05-13 | 1948-02-03 | Submarine Signal Co | System for sound ranging |
US2523398A (en) * | 1940-06-29 | 1950-09-26 | Bell Telephone Labor Inc | Radio wave transmission |
US2505587A (en) * | 1940-07-05 | 1950-04-25 | Raytheon Mfg Co | Sound ranging |
US2433332A (en) * | 1941-10-22 | 1947-12-30 | Submarine Signal Co | System for locating obstacles |
US2457393A (en) * | 1942-01-14 | 1948-12-28 | Muffly Glenn | Apparatus for causation and prevention of collisions |
US2497680A (en) * | 1942-03-26 | 1950-02-14 | Brush Dev Co | Piezoelectric crystal unit |
US2433369A (en) * | 1942-07-24 | 1947-12-30 | Standard Telephones Cables Ltd | Antenna system and method of using same |
US2473971A (en) * | 1944-02-25 | 1949-06-21 | Donald E Ross | Underwater transducer |
US2473974A (en) * | 1944-05-18 | 1949-06-21 | Schuck Oscar Hugo | Underwater sound detecting and indicating system |
US2527208A (en) * | 1944-07-27 | 1950-10-24 | Gen Electric | Supersonic testing apparatus |
US2702379A (en) * | 1944-09-26 | 1955-02-15 | Rca Corp | Sound wave direction finding system |
US3094968A (en) * | 1945-01-25 | 1963-06-25 | Richard F Post | Expendable vapor noisemaker |
US2962694A (en) * | 1945-02-01 | 1960-11-29 | Raytheon Co | Ranging system |
US2475363A (en) * | 1945-04-10 | 1949-07-05 | Raytheon Mfg Co | System for echo ranging |
US2488371A (en) * | 1945-08-01 | 1949-11-15 | Bell Telephone Labor Inc | Navigational apparatus |
US2504118A (en) * | 1945-08-02 | 1950-04-18 | George C Evans | Underwater sonic apparatus |
US2625035A (en) * | 1945-12-22 | 1953-01-13 | United Aircraft Corp | Supersonic inspection device |
US2500638A (en) * | 1946-04-26 | 1950-03-14 | Bell Telephone Labor Inc | Aid for the blind |
US2496639A (en) * | 1946-04-26 | 1950-02-07 | Bell Telephone Labor Inc | Aid for the blind |
US2695001A (en) * | 1947-03-24 | 1954-11-23 | Vendo Co | Sound generator and transmitter for door controlling mechanism |
US2557900A (en) * | 1947-10-31 | 1951-06-19 | Jr Robert L Wallace | Position indicator for use in blind flying of towed gliders |
US2935565A (en) * | 1954-02-26 | 1960-05-03 | Radio Ind Corp | Sonic signalling and ranging apparatus for marine use |
US3138138A (en) * | 1961-11-08 | 1964-06-23 | Assembly Products Inc | Pest control |
US3243525A (en) * | 1962-11-13 | 1966-03-29 | Eaton Arthur | Hearing intensifying and directing apparatus |
US3234502A (en) * | 1963-07-29 | 1966-02-08 | Charles A Sicuranza | Echo ranging apparatus |
US5012757A (en) * | 1990-04-20 | 1991-05-07 | Williams James E | Automatic horn warning signal apparatus for use on boats |
US9289349B2 (en) * | 2013-03-15 | 2016-03-22 | Uriel Patent, Llc | Sound therapy systems and methods for recalibrating the body's electromagnetic field |
-
1930
- 1930-06-16 US US461620A patent/US1889614A/en not_active Expired - Lifetime
-
1931
- 1931-06-12 FR FR718556D patent/FR718556A/fr not_active Expired
- 1931-06-16 DE DE1931699653D patent/DE699653C/de not_active Expired
- 1931-06-16 GB GB17504/31A patent/GB379429A/en not_active Expired
- 1931-12-10 US US580115A patent/US1973673A/en not_active Expired - Lifetime
-
1932
- 1932-12-10 FR FR42677D patent/FR42677E/fr not_active Expired
- 1932-12-12 GB GB35194/32A patent/GB411851A/en not_active Expired
-
1935
- 1935-06-06 DE DEA76208D patent/DE708027C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB411851A (en) | 1934-06-12 |
US1889614A (en) | 1932-11-29 |
GB379429A (en) | 1932-09-01 |
US1973673A (en) | 1934-09-11 |
FR718556A (fr) | 1932-01-26 |
DE699653C (de) | 1940-12-04 |
DE708027C (de) | 1941-07-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR42677E (fr) | Perfectionnements aux systèmes de mesure d'altitude | |
FR705155A (fr) | Perfectionnements apportés aux engins de navigation aérienne | |
FR738872A (fr) | Perfectionnements aux systèmes d'antennes | |
FR709028A (fr) | Perfectionnements aux systèmes de sièges réglables | |
FR699545A (fr) | Perfectionnements aux systèmes d'asservissement électriques | |
FR41922E (fr) | Perfectionnements aux systèmes de mesure d'altitude | |
FR745925A (fr) | Perfectionnements aux systèmes radiogoniométriques | |
FR714881A (fr) | Perfectionnements aux systèmes de télévision | |
FR704894A (fr) | Perfectionnements apportés aux appareils de mesure tels, notamment, que les indicateurs de débit | |
FR46288E (fr) | Perfectionnements aux systèmes de mesure d'altitude | |
FR44878E (fr) | Perfectionnements aux systèmes de mesure d'altitude | |
FR39543E (fr) | Perfectionnements aux systèmes électriques de mesure à distance | |
FR723847A (fr) | Perfectionnements aux systèmes de réfrigération | |
FR728543A (fr) | Perfectionnements aux systèmes de fermetures | |
FR709804A (fr) | Perfectionnements aux appareils de mesure | |
FR713895A (fr) | Perfectionnements apportés aux instruments de mesure | |
FR693989A (fr) | Perfectionnements aux peignes | |
FR732221A (fr) | Perfectionnements aux systèmes de téléindication et de télémécanique | |
FR723779A (fr) | Perfectionnements aux systèmes de transmission | |
FR703054A (fr) | Perfectionnements aux systèmes électriques de mesure à distance | |
FR684184A (fr) | Perfectionnements aux systèmes de blocage d'écrous | |
FR746485A (fr) | Perfectionnements aux dispositifs de mesure | |
FR724017A (fr) | Perfectionnements relatifs aux systèmes d'horloges synchronisées | |
FR715612A (fr) | Perfectionnements aux systèmes d'interrupteurs | |
FR41135E (fr) | Perfectionnements aux systèmes de téléindication et de télémécanique |