BE640377A - - Google Patents
Info
- Publication number
- BE640377A BE640377A BE640377A BE640377A BE640377A BE 640377 A BE640377 A BE 640377A BE 640377 A BE640377 A BE 640377A BE 640377 A BE640377 A BE 640377A BE 640377 A BE640377 A BE 640377A
- Authority
- BE
- Belgium
Links
Classifications
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/04—Parts, details or accessories of helmets
- A42B3/30—Mounting radio sets or communication systems
-
- 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)
- Telephone Set Structure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1979963 | 1963-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE640377A true BE640377A (de) | 1964-03-16 |
Family
ID=10135413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE640377A BE640377A (de) | 1963-05-17 | 1963-11-25 |
Country Status (3)
| Country | Link |
|---|---|
| AT (1) | AT239331B (de) |
| BE (1) | BE640377A (de) |
| FR (1) | FR1377071A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3723670A (en) * | 1970-10-20 | 1973-03-27 | Dyna Magnetic Devices Inc | Head contact microphone system |
-
1963
- 1963-11-22 AT AT938863A patent/AT239331B/de active
- 1963-11-25 BE BE640377A patent/BE640377A/xx unknown
- 1963-12-11 FR FR956740A patent/FR1377071A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AT239331B (de) | 1965-03-25 |
| FR1377071A (fr) | 1964-10-31 |