GB518552A - Improvements in radio tuning circuits - Google Patents
Improvements in radio tuning circuitsInfo
- Publication number
- GB518552A GB518552A GB2517238A GB2517238A GB518552A GB 518552 A GB518552 A GB 518552A GB 2517238 A GB2517238 A GB 2517238A GB 2517238 A GB2517238 A GB 2517238A GB 518552 A GB518552 A GB 518552A
- Authority
- GB
- United Kingdom
- Prior art keywords
- auxiliary
- controlled
- condensers
- reactances
- separate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000001939 inductive effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/28—Continuous tuning of more than one resonant circuit simultaneously, the tuning frequencies of the circuits having a substantially constant difference throughout the tuning range
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE436153D BE436153A (enrdf_load_stackoverflow) | 1938-08-26 | ||
GB2517238A GB518552A (en) | 1938-08-26 | 1938-08-26 | Improvements in radio tuning circuits |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2517238A GB518552A (en) | 1938-08-26 | 1938-08-26 | Improvements in radio tuning circuits |
Publications (1)
Publication Number | Publication Date |
---|---|
GB518552A true GB518552A (en) | 1940-02-29 |
Family
ID=10223394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2517238A Expired GB518552A (en) | 1938-08-26 | 1938-08-26 | Improvements in radio tuning circuits |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE436153A (enrdf_load_stackoverflow) |
GB (1) | GB518552A (enrdf_load_stackoverflow) |
-
0
- BE BE436153D patent/BE436153A/xx unknown
-
1938
- 1938-08-26 GB GB2517238A patent/GB518552A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE436153A (enrdf_load_stackoverflow) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB559717A (en) | Improvements in or relating to variable tuning systems for radio signal receiving apparatus and the like | |
GB450247A (en) | Improvements in radio receivers | |
GB502178A (en) | Improvements in or relating to radio receivers and the like | |
GB518552A (en) | Improvements in radio tuning circuits | |
GB472502A (en) | Improvements in multi-band radio receivers | |
GB574407A (en) | Improvements in or relating to antenna input circuits for radio receivers | |
GB546248A (en) | Improvements in or relating to electric tuning systems | |
US2230557A (en) | Multiband superheterodyne receiver | |
US2357442A (en) | Radio receiver | |
GB447104A (en) | Improvements in or relating to tuning systems for wireless receivers of the supersonic-heterodyne type | |
GB464970A (en) | Improvements in coupling coil systems for oscillatory electric circuits | |
US2074447A (en) | Control device for radio receivers | |
US1895247A (en) | Method and means of extending frequency range of radio apparatus | |
GB149283A (en) | Improvements in variable electrical controlling elements especially suitable for usein wireless telegraphy | |
US2301324A (en) | Radio frequency coupling system | |
GB542611A (en) | Improvements in band-spread tuning circuits for radio receivers | |
US2165058A (en) | Coupling circuits | |
GB409756A (en) | Improvements in or relating to super-heterodyne radio receivers | |
GB442477A (en) | Superheterodyne receiver for wireless reception | |
GB605353A (en) | Improvements in or relating to tuning devices for superheterodyne receivers | |
GB269686A (en) | Improvements in tuning devices for radio receivers | |
US1872343A (en) | Coupling system | |
GB867233A (en) | Improvements in or relating to printed circuits incorporating high frequency coils | |
GB804874A (en) | Improvements in multi-band radio receivers | |
GB466124A (en) | Ultra-short wave valve amplifying system |