BE412177A - - Google Patents
Info
- Publication number
- BE412177A BE412177A BE412177DA BE412177A BE 412177 A BE412177 A BE 412177A BE 412177D A BE412177D A BE 412177DA BE 412177 A BE412177 A BE 412177A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/68—Tubes specially designed to act as oscillator with positive grid and retarding field, e.g. for Barkhausen-Kurz oscillators
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/20—Transference of modulation from one carrier to another, e.g. frequency-changing by means of transit-time tubes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
- H04L27/04—Modulator circuits; Transmitter circuits
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Details Of Aerials (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR693875X | 1934-11-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE412177A true BE412177A (ja�@�@) |
Family
ID=9042912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE412177D BE412177A (ja�@�@) | 1934-11-24 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2141291A (ja�@�@) |
| BE (1) | BE412177A (ja�@�@) |
| DE (1) | DE693875C (ja�@�@) |
| FR (1) | FR794810A (ja�@�@) |
| GB (1) | GB461763A (ja�@�@) |
| NL (1) | NL48352C (ja�@�@) |
-
0
- NL NL48352D patent/NL48352C/xx active
- BE BE412177D patent/BE412177A/xx unknown
-
1934
- 1934-11-24 FR FR794810D patent/FR794810A/fr not_active Expired
-
1935
- 1935-10-25 GB GB29534/35A patent/GB461763A/en not_active Expired
- 1935-11-02 US US47955A patent/US2141291A/en not_active Expired - Lifetime
- 1935-11-23 DE DE1935I0053716 patent/DE693875C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2141291A (en) | 1938-12-27 |
| FR794810A (fr) | 1936-02-26 |
| DE693875C (de) | 1940-07-20 |
| NL48352C (ja�@�@) | |
| GB461763A (en) | 1937-02-24 |