FR628518A - Frequency change method for radio signaling and device for carrying out this method - Google Patents
Frequency change method for radio signaling and device for carrying out this methodInfo
- Publication number
- FR628518A FR628518A FR628518DA FR628518A FR 628518 A FR628518 A FR 628518A FR 628518D A FR628518D A FR 628518DA FR 628518 A FR628518 A FR 628518A
- Authority
- FR
- France
- Prior art keywords
- carrying
- frequency change
- radio signaling
- change method
- signaling
- 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
- H03D7/08—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 the same two electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR628518T | 1927-01-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR628518A true FR628518A (en) | 1927-10-25 |
Family
ID=8989704
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR628518D Expired FR628518A (en) | 1927-01-15 | 1927-01-15 | Frequency change method for radio signaling and device for carrying out this method |
Country Status (2)
Country | Link |
---|---|
US (1) | US1863564A (en) |
FR (1) | FR628518A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE967648C (en) * | 1952-03-23 | 1957-12-05 | Telefunken Gmbh | Mixing stage with additive mixing, especially for FM reception |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2737580A (en) * | 1949-02-16 | 1956-03-06 | Hartford Nat Bank & Trust Co | Mixing circuit for superheterodyne receivers |
NL88017C (en) * | 1949-02-16 | |||
NL89828C (en) * | 1951-07-02 |
-
1927
- 1927-01-15 FR FR628518D patent/FR628518A/en not_active Expired
-
1928
- 1928-01-14 US US246878A patent/US1863564A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE967648C (en) * | 1952-03-23 | 1957-12-05 | Telefunken Gmbh | Mixing stage with additive mixing, especially for FM reception |
Also Published As
Publication number | Publication date |
---|---|
US1863564A (en) | 1932-06-21 |
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