GB653031A - Improvements in or relating to radio receiving sets tunable to a plurality of wavelength ranges - Google Patents
Improvements in or relating to radio receiving sets tunable to a plurality of wavelength rangesInfo
- Publication number
- GB653031A GB653031A GB15759/48A GB1575948A GB653031A GB 653031 A GB653031 A GB 653031A GB 15759/48 A GB15759/48 A GB 15759/48A GB 1575948 A GB1575948 A GB 1575948A GB 653031 A GB653031 A GB 653031A
- Authority
- GB
- United Kingdom
- Prior art keywords
- condenser
- circuit
- series
- capacity
- fixed
- 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
- 230000000694 effects Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/06—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/10—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being vacuum tube
-
- 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
- H03J5/242—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 used exclusively for band selection
Landscapes
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL653031X | 1947-06-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB653031A true GB653031A (en) | 1951-05-09 |
Family
ID=19795139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB15759/48A Expired GB653031A (en) | 1947-06-14 | 1948-06-11 | Improvements in or relating to radio receiving sets tunable to a plurality of wavelength ranges |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE483111A (enrdf_load_stackoverflow) |
| DE (1) | DE855419C (enrdf_load_stackoverflow) |
| FR (1) | FR967551A (enrdf_load_stackoverflow) |
| GB (1) | GB653031A (enrdf_load_stackoverflow) |
| NL (1) | NL73503C (enrdf_load_stackoverflow) |
-
0
- BE BE483111D patent/BE483111A/xx unknown
- NL NL73503D patent/NL73503C/xx active
-
1948
- 1948-06-11 FR FR967551D patent/FR967551A/fr not_active Expired
- 1948-06-11 GB GB15759/48A patent/GB653031A/en not_active Expired
- 1948-12-23 DE DEP26165A patent/DE855419C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL73503C (enrdf_load_stackoverflow) | |
| FR967551A (fr) | 1950-11-07 |
| DE855419C (de) | 1952-11-13 |
| BE483111A (enrdf_load_stackoverflow) |
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