NL60549C - - Google Patents
Info
- Publication number
- NL60549C NL60549C NL60549DA NL60549C NL 60549 C NL60549 C NL 60549C NL 60549D A NL60549D A NL 60549DA NL 60549 C NL60549 C NL 60549C
- 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
- H03C3/14—Angle modulation by means of variable impedance by means of a variable reactive element simulated by circuit comprising active element with at least three electrodes, e.g. reactance-tube circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/09—Modifications of modulator for regulating the mean frequency
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US311074A US2278429A (en) | 1939-12-27 | 1939-12-27 | Reactance tube modulation |
| US433745A US2349811A (en) | 1939-12-27 | 1942-03-07 | Reactance tube modulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL60549C true NL60549C (US06262066-20010717-C00424.png) |
Family
ID=26977722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL60549D NL60549C (US06262066-20010717-C00424.png) | 1939-12-27 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2349811A (US06262066-20010717-C00424.png) |
| CH (1) | CH230608A (US06262066-20010717-C00424.png) |
| NL (1) | NL60549C (US06262066-20010717-C00424.png) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2419869A (en) * | 1944-04-08 | 1947-04-29 | Gen Electric | Oscillation generator |
| US2438768A (en) * | 1944-04-28 | 1948-03-30 | Philco Corp | Apparatus for varying the frequency of resonant cavities |
| US2515030A (en) * | 1945-10-31 | 1950-07-11 | Rca Corp | Wave generation and control |
| US2485919A (en) * | 1945-11-06 | 1949-10-25 | Us Sec War | Electrical circuit |
| US2555959A (en) * | 1946-10-18 | 1951-06-05 | Bell Telephone Labor Inc | Nonlinear reactance circuits utilizing high dielectric constant ceramics |
| US2672509A (en) * | 1949-04-01 | 1954-03-16 | Mccoy John Harvey | Teletypewriter frequency shift transmission |
| US2710378A (en) * | 1951-04-28 | 1955-06-07 | Motorola Inc | Frequency modulation system |
| US2794957A (en) * | 1952-12-13 | 1957-06-04 | Motorola Inc | Frequency modulator |
| US2724802A (en) * | 1953-03-05 | 1955-11-22 | Rca Corp | Frequency modulated oscillator |
| US2884598A (en) * | 1955-04-01 | 1959-04-28 | Hallicrafters Co | Reactance modulator circuit and method |
| US2817017A (en) * | 1955-08-12 | 1957-12-17 | Orville C Hall | Frequency shift keyed oscillators |
| US2962672A (en) * | 1955-11-28 | 1960-11-29 | Blasio Conrad G De | Dual-tube modulator and associated frequency-modulated crystal oscillator circuit therefor |
-
0
- NL NL60549D patent/NL60549C/xx active
-
1941
- 1941-07-16 CH CH230608D patent/CH230608A/de unknown
-
1942
- 1942-03-07 US US433745A patent/US2349811A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CH230608A (de) | 1944-01-15 |
| US2349811A (en) | 1944-05-30 |
