NL68587C - - Google Patents
Info
- Publication number
- NL68587C NL68587C NL68587DA NL68587C NL 68587 C NL68587 C NL 68587C NL 68587D A NL68587D A NL 68587DA NL 68587 C NL68587 C NL 68587C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/10—Angle modulation by means of variable impedance
- H03C3/12—Angle modulation by means of variable impedance by means of a variable reactive element
- H03C3/18—Angle modulation by means of variable impedance by means of a variable reactive element the element being a current-dependent inductor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Amplitude Modulation (AREA)
- Ac-Ac Conversion (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL242260X | 1943-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL68587C true NL68587C (https=) |
Family
ID=19780632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL68587D NL68587C (https=) | 1943-05-29 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2486843A (https=) |
| BE (1) | BE456041A (https=) |
| CH (1) | CH242260A (https=) |
| DE (1) | DE862316C (https=) |
| FR (1) | FR904655A (https=) |
| GB (1) | GB617397A (https=) |
| NL (1) | NL68587C (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2650350A (en) * | 1948-11-04 | 1953-08-25 | Gen Electric | Angular modulating system |
| DE910671C (de) * | 1951-09-18 | 1954-05-06 | Oskar Vierling Dr | Schaltungsanordnung fuer magneitsche Modler, Modulatoren, Relais, Verstaerker usw. |
| DE1201412B (de) * | 1962-10-29 | 1965-09-23 | Sennheiser Electronic | Hochfrequenzkondensatormikrofon mit Gegen-kopplung |
| US3974461A (en) * | 1974-06-14 | 1976-08-10 | Moog Music, Inc. | Wide dynamic range voltage controlled filter for electronic musical instruments |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2085418A (en) * | 1933-12-27 | 1937-06-29 | Rca Corp | Variable terminal impedance signaling system |
| US2279660A (en) * | 1937-04-13 | 1942-04-14 | Rca Corp | Wave length modulation system |
| US2354799A (en) * | 1940-07-26 | 1944-08-01 | Rca Corp | Phase modulation |
| US2321269A (en) * | 1941-11-21 | 1943-06-08 | Rca Corp | Frequency modulation |
-
0
- BE BE456041D patent/BE456041A/xx unknown
- NL NL68587D patent/NL68587C/xx active
-
1944
- 1944-05-26 FR FR904655D patent/FR904655A/fr not_active Expired
- 1944-05-27 CH CH242260D patent/CH242260A/de unknown
- 1944-05-27 DE DEN2255D patent/DE862316C/de not_active Expired
-
1946
- 1946-07-16 US US684068A patent/US2486843A/en not_active Expired - Lifetime
- 1946-09-30 GB GB29126/46A patent/GB617397A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2486843A (en) | 1949-11-01 |
| GB617397A (en) | 1949-02-04 |
| DE862316C (de) | 1953-01-08 |
| BE456041A (https=) | |
| FR904655A (fr) | 1945-11-13 |
| CH242260A (de) | 1946-04-30 |