BE486276A - - Google Patents
Info
- Publication number
- BE486276A BE486276A BE486276DA BE486276A BE 486276 A BE486276 A BE 486276A BE 486276D A BE486276D A BE 486276DA BE 486276 A BE486276 A BE 486276A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
- H03J7/042—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant with reactance tube
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/12—Frequency diversity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/14—Demodulator circuits; Receiver circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/16—Frequency regulation arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Superheterodyne Receivers (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL269957X | 1947-12-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE486276A true BE486276A (en]) |
Family
ID=19781884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE486276D BE486276A (en]) | 1947-12-13 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE486276A (en]) |
| CH (1) | CH269957A (en]) |
| DE (1) | DE807959C (en]) |
| FR (2) | FR976416A (en]) |
| GB (1) | GB681543A (en]) |
-
0
- BE BE486276D patent/BE486276A/xx unknown
- FR FR176416D patent/FR176416A/fr active Active
-
1948
- 1948-12-10 FR FR976416D patent/FR976416A/fr not_active Expired
- 1948-12-10 GB GB31994/48A patent/GB681543A/en not_active Expired
- 1948-12-11 CH CH269957D patent/CH269957A/de unknown
- 1948-12-24 DE DEP26482D patent/DE807959C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR176416A (en]) | |
| GB681543A (en) | 1952-10-29 |
| CH269957A (de) | 1950-07-31 |
| DE807959C (de) | 1951-07-09 |
| FR976416A (fr) | 1951-03-19 |