FR1322456A - Self-contained electronic submersible device for voice sound communications in liquid media and between them and the air environment - Google Patents

Self-contained electronic submersible device for voice sound communications in liquid media and between them and the air environment

Info

Publication number
FR1322456A
FR1322456A FR893975A FR893975A FR1322456A FR 1322456 A FR1322456 A FR 1322456A FR 893975 A FR893975 A FR 893975A FR 893975 A FR893975 A FR 893975A FR 1322456 A FR1322456 A FR 1322456A
Authority
FR
France
Prior art keywords
self
liquid media
air environment
voice sound
submersible device
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
FR893975A
Other languages
French (fr)
Inventor
Luigi Martelli
Carlos Reinberg
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 filed Critical
Priority to FR893975A priority Critical patent/FR1322456A/en
Application granted granted Critical
Publication of FR1322456A publication Critical patent/FR1322456A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/04—Supports for telephone transmitters or receivers
    • H04M1/05—Supports for telephone transmitters or receivers specially adapted for use on head, throat or breast

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR893975A 1961-04-10 1962-04-10 Self-contained electronic submersible device for voice sound communications in liquid media and between them and the air environment Expired FR1322456A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR893975A FR1322456A (en) 1961-04-10 1962-04-10 Self-contained electronic submersible device for voice sound communications in liquid media and between them and the air environment

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT647081 1961-04-10
FR893975A FR1322456A (en) 1961-04-10 1962-04-10 Self-contained electronic submersible device for voice sound communications in liquid media and between them and the air environment

Publications (1)

Publication Number Publication Date
FR1322456A true FR1322456A (en) 1963-03-29

Family

ID=26195158

Family Applications (1)

Application Number Title Priority Date Filing Date
FR893975A Expired FR1322456A (en) 1961-04-10 1962-04-10 Self-contained electronic submersible device for voice sound communications in liquid media and between them and the air environment

Country Status (1)

Country Link
FR (1) FR1322456A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1216371B (en) * 1963-06-28 1966-05-12 Bendix Corp Underwater speakers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1216371B (en) * 1963-06-28 1966-05-12 Bendix Corp Underwater speakers

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