GB148985A - - Google Patents

Info

Publication number
GB148985A
GB148985A GB20845/20A GB2084520A GB148985A GB 148985 A GB148985 A GB 148985A GB 20845/20 A GB20845/20 A GB 20845/20A GB 2084520 A GB2084520 A GB 2084520A GB 148985 A GB148985 A GB 148985A
Authority
GB
United Kingdom
Prior art keywords
diaphragm
masses
oscillating
sigrnal
ges
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
GB20845/20A
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
Publication of GB148985A publication Critical patent/GB148985A/en
Expired legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measuring Volume Flow (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
GB20845/20A 1918-08-14 1920-07-10 Expired GB148985A (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE339085T 1918-08-14
DE345797T 1919-01-20

Publications (1)

Publication Number Publication Date
GB148985A true GB148985A (enrdf_load_stackoverflow) 1921-11-10

Family

ID=31979302

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20845/20A Expired GB148985A (enrdf_load_stackoverflow) 1918-08-14 1920-07-10

Country Status (1)

Country Link
GB (1) GB148985A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
GB148985A (enrdf_load_stackoverflow)
GB147940A (en) Improvements in and relating to sound transmitting and receiving apparatus
GB147936A (en) Improvements in submarine sound producing devices
GB148972A (en) Sending device for subaqueous sound signals
GB147937A (en) Improvements in sound-producing or receiving devices containing two or more vibratory structures
GB148413A (en) Sending or receiving device for subaqueous sound waves
US1667418A (en) Subaqueous sound-signaling apparatus
GB147941A (en) Improvements in subaqueous sound producers or receivers
GB147942A (en) Submarine sound producer
GB191405935A (en) Receiving Device for Subaqueous Sound Signals.
GB157229A (en) Submarine sound receiving plant
GB191302185A (en) Receiver for Submarine Signalling.
GB192696A (enrdf_load_stackoverflow)
US1582694A (en) Submarine signaling apparatus
GB191314218A (en) Improvements in Transmitters for Submarine Sound Signals.
GB149325A (en) Improvements in and relating to the reception of submarine sound signals
GB148759A (en) Improvements in sound producers and receivers
GB150322A (en) Improvements in and relating to vibration apparatus, particularly for the reception and production of sound waves
GB152616A (en) Improvements in submarine sound receivers
GB146253A (en) Diaphragms for submarine signal transmitters
GB191325207A (en) Submarine Signal Receiving Apparatus.
GB148976A (en) Improvements in electromagnetic sound producers and receivers
GB148973A (en) Improvements in diaphragms for submarine sound signalling apparatus
GB388069A (en) Improvements in electrodynamic devices for use in receiving or transmitting sound
GB191514594A (en) Improvements in Membranous or Diaphragm Transmitters for Submarine Sound Signals.