FR577339A - Improvements in ferromagnetic circuit reactance coils used in telegraphy and wireless telephony - Google Patents
Improvements in ferromagnetic circuit reactance coils used in telegraphy and wireless telephonyInfo
- Publication number
- FR577339A FR577339A FR577339DA FR577339A FR 577339 A FR577339 A FR 577339A FR 577339D A FR577339D A FR 577339DA FR 577339 A FR577339 A FR 577339A
- Authority
- FR
- France
- Prior art keywords
- telegraphy
- wireless telephony
- coils used
- circuit reactance
- ferromagnetic circuit
- 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
- H03C—MODULATION
- H03C1/00—Amplitude modulation
- H03C1/08—Amplitude modulation by means of variable impedance element
- H03C1/10—Amplitude modulation by means of variable impedance element the element being a current-dependent inductor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Soft Magnetic Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR577339T | 1923-04-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR577339A true FR577339A (en) | 1924-09-03 |
Family
ID=8954663
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR577339D Expired FR577339A (en) | 1923-04-10 | 1923-04-10 | Improvements in ferromagnetic circuit reactance coils used in telegraphy and wireless telephony |
Country Status (2)
Country | Link |
---|---|
US (1) | US1600828A (en) |
FR (1) | FR577339A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2578421A (en) * | 1947-06-13 | 1951-12-11 | Wilhelm Franzos | Inductance device |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3244782A (en) * | 1957-05-17 | 1966-04-05 | Magnetics Inc | Toroidal core pressure forming method |
US3063098A (en) * | 1957-05-17 | 1962-11-13 | Magnetics Inc | Pressure forming apparatus |
-
1923
- 1923-04-10 FR FR577339D patent/FR577339A/en not_active Expired
-
1924
- 1924-02-14 US US692658A patent/US1600828A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2578421A (en) * | 1947-06-13 | 1951-12-11 | Wilhelm Franzos | Inductance device |
Also Published As
Publication number | Publication date |
---|---|
US1600828A (en) | 1926-09-21 |
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