GB498927A - Improvements in or relating to tuning control systems for radio receivers and the like - Google Patents
Improvements in or relating to tuning control systems for radio receivers and the likeInfo
- Publication number
- GB498927A GB498927A GB20087/37A GB2008737A GB498927A GB 498927 A GB498927 A GB 498927A GB 20087/37 A GB20087/37 A GB 20087/37A GB 2008737 A GB2008737 A GB 2008737A GB 498927 A GB498927 A GB 498927A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sub
- button
- circuit
- wavelength
- range
- 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
- 101100212791 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) YBL068W-A gene Proteins 0.000 abstract 4
- 230000000994 depressogenic effect Effects 0.000 abstract 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
- H03J5/26—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection operated by hand
- H03J5/32—Stationary tuning circuits or elements selected by push-button
Landscapes
- Selective Calling Equipment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB221469X | 1937-07-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB498927A true GB498927A (en) | 1939-01-17 |
Family
ID=10174651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB20087/37A Expired GB498927A (en) | 1937-07-20 | 1937-07-20 | Improvements in or relating to tuning control systems for radio receivers and the like |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE429266A (enrdf_load_stackoverflow) |
| CH (1) | CH221469A (enrdf_load_stackoverflow) |
| FR (1) | FR844223A (enrdf_load_stackoverflow) |
| GB (1) | GB498927A (enrdf_load_stackoverflow) |
-
0
- BE BE429266D patent/BE429266A/xx unknown
-
1937
- 1937-07-20 GB GB20087/37A patent/GB498927A/en not_active Expired
-
1938
- 1938-07-20 FR FR844223D patent/FR844223A/fr not_active Expired
- 1938-07-20 CH CH221469D patent/CH221469A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR844223A (fr) | 1939-07-20 |
| CH221469A (fr) | 1942-05-31 |
| BE429266A (enrdf_load_stackoverflow) |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2141756A (en) | Multirange receiver | |
| US2354148A (en) | Push-button tuner for radio receivers | |
| US2209959A (en) | Radio receiving system | |
| US2137266A (en) | Multiband receiver | |
| US3686575A (en) | Vhf-uhf varactor tuner control circuit | |
| US2150553A (en) | Multiwave band superheterodyne receiver | |
| GB498927A (en) | Improvements in or relating to tuning control systems for radio receivers and the like | |
| US3810022A (en) | Digital to analog converter television tuning of varactor tuners | |
| US2075526A (en) | Radio signal receiving system | |
| US2507576A (en) | Push-button tuner for radio receivers | |
| US2022805A (en) | Radio receiver | |
| US2201938A (en) | Image rejector circuit for radio receivers | |
| US2245388A (en) | Preselection tuning system | |
| US2209982A (en) | Oscillator tuning system | |
| US2105518A (en) | Selectivity control system | |
| US2034773A (en) | Tunable radio frequency circuits | |
| US2206390A (en) | Ultra high frequency radio receiver | |
| US2207254A (en) | Band spread tuning system | |
| US3099808A (en) | Channel tuning system for signal receivers in which tuning components assigned to unselected channels form part of adjacent channel traps | |
| US2024816A (en) | Radio receiving system | |
| US1708453A (en) | Radio apparatus | |
| GB551064A (en) | Improvements in or relating to radio receivers | |
| US2035668A (en) | Radio receiving system | |
| US1961720A (en) | Superheterodyne receiver | |
| US1964990A (en) | Radio frequency receiving system |