JPS5394919A - Microwave telephone system used at sea bottom - Google Patents

Microwave telephone system used at sea bottom

Info

Publication number
JPS5394919A
JPS5394919A JP14457777A JP14457777A JPS5394919A JP S5394919 A JPS5394919 A JP S5394919A JP 14457777 A JP14457777 A JP 14457777A JP 14457777 A JP14457777 A JP 14457777A JP S5394919 A JPS5394919 A JP S5394919A
Authority
JP
Japan
Prior art keywords
microwave
system used
telephone system
sea bottom
sea
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.)
Pending
Application number
JP14457777A
Other languages
English (en)
Japanese (ja)
Inventor
Gunnaa Moeraa Raasen Jiensu
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of JPS5394919A publication Critical patent/JPS5394919A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor
    • H04R1/083—Special constructions of mouthpieces
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/44—Special adaptations for subaqueous use, e.g. for hydrophone

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Measuring Fluid Pressure (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Telephone Set Structure (AREA)
JP14457777A 1976-12-02 1977-12-01 Microwave telephone system used at sea bottom Pending JPS5394919A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5026876 1976-12-02

Publications (1)

Publication Number Publication Date
JPS5394919A true JPS5394919A (en) 1978-08-19

Family

ID=10455301

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14457777A Pending JPS5394919A (en) 1976-12-02 1977-12-01 Microwave telephone system used at sea bottom

Country Status (5)

Country Link
JP (1) JPS5394919A (da)
DE (1) DE2753848A1 (da)
DK (1) DK530077A (da)
NO (1) NO774102L (da)
SE (1) SE7713661L (da)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62290296A (ja) * 1986-06-09 1987-12-17 Sony Corp 防水型イヤホン
JPH0382952U (da) * 1989-12-14 1991-08-23

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2738442B1 (fr) * 1995-09-01 1997-11-28 Degreane Ets Transducteur electrodynamique compense

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62290296A (ja) * 1986-06-09 1987-12-17 Sony Corp 防水型イヤホン
JPH0382952U (da) * 1989-12-14 1991-08-23

Also Published As

Publication number Publication date
NO774102L (no) 1978-06-05
SE7713661L (sv) 1978-06-03
DK530077A (da) 1978-06-03
DE2753848A1 (de) 1978-06-08

Similar Documents

Publication Publication Date Title
HK72785A (en) Buoyancy systems
HK53179A (en) Floating-refuse-collecting boat
JPS52153615A (en) Facsimile system
AU3135877A (en) Electronic telephone system
JPS52149008A (en) Telephone system
AU2220977A (en) Hopper barge
JPS5296900A (en) Boat
JPS52122413A (en) Automaticallyyoperated facsimile system
YU191077A (en) Vessel closer
JPS52155007A (en) Facsimile system
JPS5394919A (en) Microwave telephone system used at sea bottom
GB1546559A (en) Multi-pary telephone system
GB1549766A (en) Offshore terminals
JPS5358800A (en) Buoy
JPS52120710A (en) Extension telephone system
JPS52147366A (en) Vessel requiring conditions
GB1543950A (en) Vessel construction
JPS52137884A (en) Marine
JPS52147004A (en) Pushhbutton telephone system
JPS52153318A (en) Facsimile system
JPS52145864A (en) Submerged stirrer
JPS5335202A (en) Trencher
JPS52137916A (en) Facsimile receiving system
JPS52137888A (en) Buoy
JPS5370609A (en) Telephone set