SE7713661L - MICROPHONE UNIT FOR USE UNDER UNORMAL PRESSURE CONDITIONS, SPECIAL FOR DIVERS - Google Patents

MICROPHONE UNIT FOR USE UNDER UNORMAL PRESSURE CONDITIONS, SPECIAL FOR DIVERS

Info

Publication number
SE7713661L
SE7713661L SE7713661A SE7713661A SE7713661L SE 7713661 L SE7713661 L SE 7713661L SE 7713661 A SE7713661 A SE 7713661A SE 7713661 A SE7713661 A SE 7713661A SE 7713661 L SE7713661 L SE 7713661L
Authority
SE
Sweden
Prior art keywords
unormal
divers
special
pressure conditions
use under
Prior art date
Application number
SE7713661A
Other languages
Swedish (sv)
Inventor
Sok
Original Assignee
Larsen Jens Gunnar Moller
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 Larsen Jens Gunnar Moller filed Critical Larsen Jens Gunnar Moller
Publication of SE7713661L publication Critical patent/SE7713661L/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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; DEAF-AID SETS; 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)
  • Measuring Fluid Pressure (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Telephone Set Structure (AREA)
  • Transducers For Ultrasonic Waves (AREA)
SE7713661A 1976-12-02 1977-12-01 MICROPHONE UNIT FOR USE UNDER UNORMAL PRESSURE CONDITIONS, SPECIAL FOR DIVERS SE7713661L (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
SE7713661L true SE7713661L (en) 1978-06-03

Family

ID=10455301

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7713661A SE7713661L (en) 1976-12-02 1977-12-01 MICROPHONE UNIT FOR USE UNDER UNORMAL PRESSURE CONDITIONS, SPECIAL FOR DIVERS

Country Status (5)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2581037B2 (en) * 1986-06-09 1997-02-12 ソニー株式会社 Waterproof earphones
JPH0510442Y2 (en) * 1989-12-14 1993-03-15
FR2738442B1 (en) * 1995-09-01 1997-11-28 Degreane Ets COMPENSATED ELECTRODYNAMIC TRANSDUCER

Also Published As

Publication number Publication date
JPS5394919A (en) 1978-08-19
DK530077A (en) 1978-06-03
DE2753848A1 (en) 1978-06-08
NO774102L (en) 1978-06-05

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