GB191303934A - - Google Patents

Info

Publication number
GB191303934A
GB191303934A GB191303934DA GB191303934A GB 191303934 A GB191303934 A GB 191303934A GB 191303934D A GB191303934D A GB 191303934DA GB 191303934 A GB191303934 A GB 191303934A
Authority
GB
United Kingdom
Prior art keywords
subaqueous sound
soundproducer
march
receiver
operator
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
English (en)
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 GB191303934A publication Critical patent/GB191303934A/en
Priority to GB191502921D priority Critical patent/GB191502921A/en
Expired legal-status Critical Current

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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Signal Processing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
GB191303934D 1912-03-09 1913-02-15 Expired GB191303934A (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB191502921D GB191502921A (en) 1913-02-15 1915-02-23 Device for Subaqueous Signalling Stations.

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
GB191303934A true GB191303934A (enrdf_load_stackoverflow) 1914-01-15

Family

ID=32870602

Family Applications (2)

Application Number Title Priority Date Filing Date
GB191303934D Expired GB191303934A (enrdf_load_stackoverflow) 1912-03-09 1913-02-15
GB191501751D Expired GB191501751A (en) 1912-03-09 1915-02-03 Subaqueous Sound Signalling Apparatus.

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB191501751D Expired GB191501751A (en) 1912-03-09 1915-02-03 Subaqueous Sound Signalling Apparatus.

Country Status (3)

Country Link
DE (1) DE301260C (enrdf_load_stackoverflow)
FR (3) FR454425A (enrdf_load_stackoverflow)
GB (2) GB191303934A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR454425A (fr) 1913-07-04
FR22075E (fr) 1921-05-12
FR22069E (fr) 1921-05-12
DE301260C (enrdf_load_stackoverflow)
GB191501751A (en) 1915-12-16

Similar Documents

Publication Publication Date Title
GB1510696A (en) Well pipe sensing probe
GB191303934A (enrdf_load_stackoverflow)
GB563459A (en) Means for reduction or suppression of dust in coal-cutting
GB219458A (en) An improved shelter or cover for bathers' use
GB190908562A (en) Improvements in Styles for Sound Recording or Reproducing Machines.
GB493131A (en) Improvements in or relating to expansion bolts
GB1319055A (en) Vibration transducer mounting arrangement
GB202493A (en) An improved needle or stylus for gramophones or disc talking machines
FR1072259A (fr) Application aux disques de phonographes de la variation automatique de la distance entre sillons sonores, en fonction de l'amplitude de la fréquence musicale enregistrée
ES31573U (es) Captador de señales acústicas para vehículos
GB147938A (en) Subaqueous sound producer and receiver
GB186673A (en) Improvements in or relating to diaphragms for sound-recording and sound-reproducing instruments
GB191406079A (en) Improvements in and connected with Devices for Recording Sounds.
CA205623A (en) Foundation and housing for railway signals
GB215968A (en) Improvements in or relating to the manufacture of felt and like materials
GB191209178A (en) Improvements in and relating to Submarine Sound Direction Finders.
GB171938A (en) Improved lock
JPS52153472A (en) Ultrasonic transmitter and receiver
GB603606A (en) Improvements relating to styli for sound reproducing
JPS539495A (en) Ultrasonic probe
GB191113802A (en) Improvements relating to Tobacco Pipes.
AU4851A (en) Adhesively bonded nonwoven fibrous material having increased tensile strength and amplified porosity and methods of production thereof
GB319717A (en) Improvements in and relating to electric gramophone pick-ups
GB196982A (en) Improvements in or relating to gramophones or like talking machines
GB307687A (en) Improvements in and relating to sound reproducing tools, gramophone needles and the like