AU504754B2 - Underwater fm communication - Google Patents

Underwater fm communication

Info

Publication number
AU504754B2
AU504754B2 AU20464/76A AU2046476A AU504754B2 AU 504754 B2 AU504754 B2 AU 504754B2 AU 20464/76 A AU20464/76 A AU 20464/76A AU 2046476 A AU2046476 A AU 2046476A AU 504754 B2 AU504754 B2 AU 504754B2
Authority
AU
Australia
Prior art keywords
underwater
communication
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
AU20464/76A
Other versions
AU2046476A (en
Inventor
G. M Renggli
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.)
EFA ELEKTROFUNKGERATE AG
Original Assignee
Efa Elektrofunkgeraete
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 Efa Elektrofunkgeraete filed Critical Efa Elektrofunkgeraete
Publication of AU2046476A publication Critical patent/AU2046476A/en
Application granted granted Critical
Publication of AU504754B2 publication Critical patent/AU504754B2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physical Water Treatments (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
AU20464/76A 1975-12-17 1976-12-10 Underwater fm communication Expired AU504754B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1634875A CH588789A5 (en) 1975-12-17 1975-12-17
CHCH16348/75 1975-12-17

Publications (2)

Publication Number Publication Date
AU2046476A AU2046476A (en) 1978-06-15
AU504754B2 true AU504754B2 (en) 1979-10-25

Family

ID=4416556

Family Applications (1)

Application Number Title Priority Date Filing Date
AU20464/76A Expired AU504754B2 (en) 1975-12-17 1976-12-10 Underwater fm communication

Country Status (13)

Country Link
JP (1) JPS5286761A (en)
AU (1) AU504754B2 (en)
BR (1) BR7608462A (en)
CH (1) CH588789A5 (en)
DE (1) DE2656969A1 (en)
DK (1) DK565876A (en)
ES (1) ES454180A1 (en)
FI (1) FI763585A (en)
FR (1) FR2336006A1 (en)
GB (1) GB1513200A (en)
NL (1) NL7613846A (en)
NO (1) NO764241L (en)
ZA (1) ZA767342B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5413748U (en) * 1977-06-30 1979-01-29
GB2119980B (en) * 1982-05-11 1985-10-16 Madelyn Carrol Freeman A device for use by a diver to give a signal
BR9107194A (en) * 1991-01-04 1994-06-14 Brosow Joergen Process and device for transmitting an information signal

Also Published As

Publication number Publication date
ES454180A1 (en) 1977-12-01
FR2336006B3 (en) 1979-01-19
BR7608462A (en) 1977-11-29
AU2046476A (en) 1978-06-15
ZA767342B (en) 1977-11-30
GB1513200A (en) 1978-06-07
CH588789A5 (en) 1977-06-15
FR2336006A1 (en) 1977-07-15
FI763585A (en) 1977-06-18
DE2656969A1 (en) 1977-07-07
DK565876A (en) 1977-06-18
NL7613846A (en) 1977-06-21
JPS5286761A (en) 1977-07-19
NO764241L (en) 1977-06-20

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