FR936844A - Montage changeur de fréquence - Google Patents
Montage changeur de fréquenceInfo
- Publication number
- FR936844A FR936844A FR936844DA FR936844A FR 936844 A FR936844 A FR 936844A FR 936844D A FR936844D A FR 936844DA FR 936844 A FR936844 A FR 936844A
- Authority
- FR
- France
- Prior art keywords
- frequency changer
- changer assembly
- assembly
- frequency
- changer
- 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
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/06—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes
- H03D7/10—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes the signals to be mixed being applied between different pairs of electrodes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/06—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- General Induction Heating (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE261237X | 1944-11-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR936844A true FR936844A (fr) | 1948-07-30 |
Family
ID=3866751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR936844D Expired FR936844A (fr) | 1944-11-03 | 1946-11-20 | Montage changeur de fréquence |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2577489A (pm) |
| CH (1) | CH261237A (pm) |
| DE (1) | DE807629C (pm) |
| FR (1) | FR936844A (pm) |
| GB (1) | GB623162A (pm) |
| NL (1) | NL66625C (pm) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE497412A (pm) * | 1949-08-09 | |||
| US2833990A (en) * | 1955-11-21 | 1958-05-06 | Collins Radio Co | Controlled oscillator means utilizing gated-beam tubes |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE401193A (pm) * | 1933-01-31 | |||
| US2033986A (en) * | 1933-12-08 | 1936-03-17 | Rca Corp | Frequency converter |
| NL46575C (pm) * | 1935-01-31 | |||
| US2122283A (en) * | 1937-03-09 | 1938-06-28 | Rca Corp | Frequency converter |
| US2141750A (en) * | 1937-06-19 | 1938-12-27 | Rca Corp | Frequency converter |
| US2252584A (en) * | 1939-05-09 | 1941-08-12 | Philips Nv | Mixing circuit in superheterodyne receivers |
| GB547737A (en) * | 1941-02-07 | 1942-09-09 | Standard Telephones Cables Ltd | Improvements in or relating to radio receivers |
-
0
- NL NL66625D patent/NL66625C/xx active
-
1946
- 1946-09-12 CH CH261237D patent/CH261237A/fr unknown
- 1946-11-20 FR FR936844D patent/FR936844A/fr not_active Expired
-
1947
- 1947-02-14 US US728707A patent/US2577489A/en not_active Expired - Lifetime
- 1947-04-23 GB GB10869/47A patent/GB623162A/en not_active Expired
-
1948
- 1948-11-26 DE DEP22675A patent/DE807629C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB623162A (en) | 1949-05-12 |
| US2577489A (en) | 1951-12-04 |
| NL66625C (pm) | |
| CH261237A (fr) | 1949-04-30 |
| DE807629C (de) | 1951-07-02 |
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