BE475817A - - Google Patents
Info
- Publication number
- BE475817A BE475817A BE475817DA BE475817A BE 475817 A BE475817 A BE 475817A BE 475817D A BE475817D A BE 475817DA BE 475817 A BE475817 A BE 475817A
- 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
- H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
-
- 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
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/26—Circuits for superheterodyne receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB281618X | 1939-03-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE475817A true BE475817A (enrdf_load_html_response) |
Family
ID=10271258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE475817D BE475817A (enrdf_load_html_response) | 1939-03-03 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE475817A (enrdf_load_html_response) |
| CH (1) | CH281618A (enrdf_load_html_response) |
| FR (1) | FR957153A (enrdf_load_html_response) |
-
0
- BE BE475817D patent/BE475817A/xx unknown
- FR FR957153D patent/FR957153A/fr not_active Expired
-
1947
- 1947-07-31 CH CH281618D patent/CH281618A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR957153A (enrdf_load_html_response) | 1950-02-16 |
| CH281618A (fr) | 1952-03-15 |