FR27240E - Acoustic receiver, especially for sound waves in liquids - Google Patents

Acoustic receiver, especially for sound waves in liquids

Info

Publication number
FR27240E
FR27240E FR27240DA FR27240E FR 27240 E FR27240 E FR 27240E FR 27240D A FR27240D A FR 27240DA FR 27240 E FR27240 E FR 27240E
Authority
FR
France
Prior art keywords
liquids
sound waves
acoustic receiver
acoustic
receiver
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
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Signal GmbH
Original Assignee
Signal GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Signal GmbH filed Critical Signal GmbH
Application granted granted Critical
Publication of FR27240E publication Critical patent/FR27240E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00—Insulators or insulating bodies characterised by their form
    • H01B17/26—Lead-in insulators; Lead-through insulators
    • H01B17/28—Capacitor type
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/18—Rotary transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
FR27240D 1920-12-07 1923-01-15 Acoustic receiver, especially for sound waves in liquids Expired FR27240E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES54944D DE387509C (en) 1920-12-07 1920-12-07 System for the transmission of sound signals in any media (water, air)

Publications (1)

Publication Number Publication Date
FR27240E true FR27240E (en) 1924-05-24

Family

ID=7490136

Family Applications (2)

Application Number Title Priority Date Filing Date
FR544869D Expired FR544869A (en) 1920-12-07 1921-12-07 Acoustic receiver, especially for sound waves in liquids
FR27240D Expired FR27240E (en) 1920-12-07 1923-01-15 Acoustic receiver, especially for sound waves in liquids

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR544869D Expired FR544869A (en) 1920-12-07 1921-12-07 Acoustic receiver, especially for sound waves in liquids

Country Status (4)

Country Link
DE (1) DE387509C (en)
FR (2) FR544869A (en)
GB (2) GB172637A (en)
NL (2) NL15110C (en)

Also Published As

Publication number Publication date
NL15110C (en)
GB172637A (en) 1923-06-07
FR544869A (en) 1922-10-02
NL16965C (en)
GB192696A (en) 1924-04-10
DE387509C (en) 1924-01-05

Similar Documents

Publication Publication Date Title
FR541251A (en) Device for the suppression of disturbances in acoustic reception
FR544869A (en) Acoustic receiver, especially for sound waves in liquids
GB172296A (en) Apparatus for the reproduction of sound waves
FR539016A (en) Mixer-sprayer for liquids
FR545724A (en) Vibrator, especially for acoustic signals
FR564625A (en) Electrical system for transmitting sound waves
FR572854A (en) Acoustic vibration receiver
FR540869A (en) Device for reproducing sound waves
DK31935C (en) Sound receiver, especially for Sound Waves in Liquids.
FR578452A (en) Folding horn for amplification of sound waves
FR521300A (en) Acoustic horn for technical purposes
FR525131A (en) Complete device with very small dimensions for the reception of radio waves
FR513503A (en) Improvements to filtration devices for liquids
FR530176A (en) Acoustic device for volume measurement
FR624692A (en) Acoustic horn
FR526601A (en) Underwater acoustic receiver
DK33792C (en) Sound receiver, especially for Sound Waves in Liquids.
FR529426A (en) Device for reproducing sound waves
FR533219A (en) Device for reproducing sound waves
FR561517A (en) Sound amplifier horn for radiotelephone reception
FR515258A (en) Pasteurizer for all liquids
FR570117A (en) Vibrating membrane for telephone devices
AT91608B (en) Device for determining the direction of underwater sound waves.
FR556407A (en) Sound amplifier for phonographs
CH100987A (en) Concentration hat for acoustic instrument.