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 environmentInfo
- 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
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1216371B (en) * | 1963-06-28 | 1966-05-12 | Bendix Corp | Underwater speakers |
-
1962
- 1962-04-10 FR FR893975A patent/FR1322456A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1216371B (en) * | 1963-06-28 | 1966-05-12 | Bendix Corp | Underwater speakers |
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