FR955285A - - Google Patents
Info
- Publication number
- FR955285A FR955285A FR955285DA FR955285A FR 955285 A FR955285 A FR 955285A FR 955285D A FR955285D A FR 955285DA FR 955285 A FR955285 A FR 955285A
- Authority
- FR
- France
- 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
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/10—Circuit arrangements for fine tuning, e.g. bandspreading
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US425910A US2443935A (en) | 1942-01-07 | 1942-01-07 | Superheterodyne radio receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR955285A true FR955285A (xx) | 1950-01-11 |
Family
ID=23688543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR955285D Expired FR955285A (xx) | 1942-01-07 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2443935A (xx) |
| BE (1) | BE479623A (xx) |
| FR (1) | FR955285A (xx) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2491808A (en) * | 1942-08-06 | 1949-12-20 | Gen Electric | Multichannel radio and television receiver |
| US2525053A (en) * | 1945-08-01 | 1950-10-10 | Rca Corp | Multirange oscillator circuits |
| US2505754A (en) * | 1945-08-02 | 1950-05-02 | Edward E Combs | Superheterodyne circuit |
| US2571001A (en) * | 1945-12-04 | 1951-10-09 | Rca Corp | Converter circuits for frequency modulation-amplitude modulation receivers |
| US2516272A (en) * | 1945-12-07 | 1950-07-25 | Philco Corp | Frequency conversion system |
| US2580051A (en) * | 1948-03-26 | 1951-12-25 | Rca Corp | Frequency converter and oscillator circuit |
| US2687514A (en) * | 1948-08-27 | 1954-08-24 | Rca Corp | Two-band tuning network |
| US2601475A (en) * | 1948-08-28 | 1952-06-24 | Rca Corp | Frequency converter for am-fm receivers |
| US2601467A (en) * | 1948-08-31 | 1952-06-24 | Rca Corp | Triode mixer construction |
| US2637808A (en) * | 1949-11-16 | 1953-05-05 | Stromberg Carison Company | Oscillator for am-fm receivers |
| NL172064B (nl) * | 1952-08-26 | Bristol Myers Co | Werkwijze voor het bereiden van cefalosporanzuurderivaten. | |
| US2776376A (en) * | 1952-12-22 | 1957-01-01 | Du Mont Allen B Lab Inc | Multiple band tuning device |
| US2905814A (en) * | 1953-06-03 | 1959-09-22 | Standard Coil Prod Co Inc | Turret tuner with variable coupling means for constant oscillation injection |
| US2821622A (en) * | 1953-11-18 | 1958-01-28 | Standard Coil Prod Co Inc | Band switching television turret tuner for very high and ultrahigh frequency bands |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2062379A (en) * | 1934-11-30 | 1936-12-01 | Glen S Patents And Holdings In | Radio receiver |
| US2137266A (en) * | 1935-05-25 | 1938-11-22 | Hazeltine Corp | Multiband receiver |
| GB490206A (en) * | 1936-12-08 | 1938-08-08 | Paul Gabriel Wardle | Improvements in or relating to tuning controls for radio receivers |
| BE434287A (xx) * | 1938-05-11 | |||
| NL55445C (xx) * | 1939-02-28 | |||
| US2250366A (en) * | 1940-01-19 | 1941-07-22 | Frisbee Randolph William | Radio frequency tuner unit |
-
0
- FR FR955285D patent/FR955285A/fr not_active Expired
- BE BE479623D patent/BE479623A/xx unknown
-
1942
- 1942-01-07 US US425910A patent/US2443935A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2443935A (en) | 1948-06-22 |
| BE479623A (xx) |