GB425659A - Modulation circuit for use in superheterodyne radio receivers and for like purposes - Google Patents
Modulation circuit for use in superheterodyne radio receivers and for like purposesInfo
- Publication number
- GB425659A GB425659A GB17002/34A GB1700234A GB425659A GB 425659 A GB425659 A GB 425659A GB 17002/34 A GB17002/34 A GB 17002/34A GB 1700234 A GB1700234 A GB 1700234A GB 425659 A GB425659 A GB 425659A
- Authority
- GB
- United Kingdom
- Prior art keywords
- coil
- condenser
- valve
- frequency
- tuning
- 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
- 230000010355 oscillation Effects 0.000 abstract 2
- 235000001188 Peltandra virginica Nutrition 0.000 abstract 1
- 244000197580 Poria cocos Species 0.000 abstract 1
- 235000008599 Poria cocos Nutrition 0.000 abstract 1
- 230000000903 blocking 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
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Superheterodyne Receivers (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US684827A US2110664A (en) | 1933-08-12 | 1933-08-12 | Modulation circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB425659A true GB425659A (en) | 1935-03-19 |
Family
ID=24749747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB17002/34A Expired GB425659A (en) | 1933-08-12 | 1934-06-08 | Modulation circuit for use in superheterodyne radio receivers and for like purposes |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2110664A (enrdf_load_stackoverflow) |
| BE (1) | BE404653A (enrdf_load_stackoverflow) |
| DE (1) | DE668497C (enrdf_load_stackoverflow) |
| FR (1) | FR777385A (enrdf_load_stackoverflow) |
| GB (1) | GB425659A (enrdf_load_stackoverflow) |
| NL (1) | NL40466C (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE856168C (de) * | 1949-01-21 | 1952-11-20 | Lorenz C Ag | Schaltungsanordnung zur gleichzeitigen Veraenderung der Resonanzfrequenzen zweier Schwingungskreise |
-
0
- BE BE404653D patent/BE404653A/xx unknown
- NL NL40466D patent/NL40466C/xx active
-
1933
- 1933-08-12 US US684827A patent/US2110664A/en not_active Expired - Lifetime
-
1934
- 1934-06-08 GB GB17002/34A patent/GB425659A/en not_active Expired
- 1934-08-10 FR FR777385D patent/FR777385A/fr not_active Expired
- 1934-08-11 DE DEH140902D patent/DE668497C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR777385A (fr) | 1935-02-18 |
| DE668497C (de) | 1938-12-03 |
| NL40466C (enrdf_load_stackoverflow) | |
| US2110664A (en) | 1938-03-08 |
| BE404653A (enrdf_load_stackoverflow) |
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