BE503536A - - Google Patents
Info
- Publication number
- BE503536A BE503536A BE503536DA BE503536A BE 503536 A BE503536 A BE 503536A BE 503536D A BE503536D A BE 503536DA BE 503536 A BE503536 A BE 503536A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/385—Transceivers carried on the body, e.g. in helmets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/385—Transceivers carried on the body, e.g. in helmets
- H04B2001/3855—Transceivers carried on the body, e.g. in helmets carried in a belt or harness
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1019731T | 1950-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE503536A true BE503536A (es) |
Family
ID=9575864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE503536D BE503536A (es) | 1950-05-26 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE503536A (es) |
| FR (2) | FR1019731A (es) |
| GB (1) | GB695326A (es) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE523942E (sv) | 2003-09-04 | 2009-06-02 | Bo Franzen | Anordning vid ett bullerdämpande "headset" |
-
0
- BE BE503536D patent/BE503536A/xx unknown
-
1950
- 1950-05-26 FR FR1019731D patent/FR1019731A/fr not_active Expired
-
1951
- 1951-05-10 FR FR61758D patent/FR61758E/fr not_active Expired
- 1951-05-18 GB GB11703/51A patent/GB695326A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB695326A (en) | 1953-08-05 |
| FR61758E (fr) | 1955-05-17 |
| FR1019731A (fr) | 1953-01-26 |