NL67920C - - Google Patents
Info
- Publication number
- NL67920C NL67920C NL67920DA NL67920C NL 67920 C NL67920 C NL 67920C NL 67920D A NL67920D A NL 67920DA NL 67920 C NL67920 C NL 67920C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/02—Details
-
- 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
-
- 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
- H03C3/20—Angle modulation by means of variable impedance by means of a variable reactive element the element being a voltage-dependent capacitor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Filters And Equalizers (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL244209X | 1943-05-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL67920C true NL67920C (da) |
Family
ID=19780755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL67920D NL67920C (da) | 1943-05-06 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2541650A (da) |
| BE (1) | BE455642A (da) |
| CH (1) | CH244209A (da) |
| DE (1) | DE936153C (da) |
| FR (1) | FR904097A (da) |
| GB (1) | GB637094A (da) |
| NL (1) | NL67920C (da) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE976238C (de) * | 1953-05-28 | 1963-05-16 | Telefunken Patent | Schaltung eines rueckgekoppelten Roehrengenerators zur Frequenzmodulation mit grossem Frequenzhub |
| US2830176A (en) * | 1953-12-01 | 1958-04-08 | Robert J Howell | Frequency modulation |
| US2925561A (en) * | 1955-07-01 | 1960-02-16 | Motorola Inc | Crystal oscillator system |
| US2864059A (en) * | 1955-08-17 | 1958-12-09 | Rca Corp | Frequency control circuit |
| US3229229A (en) * | 1962-12-05 | 1966-01-11 | Louis M Tozzi | Variable resonant frequency circuits |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2000584A (en) * | 1931-10-05 | 1935-05-07 | Fichandler Carl | Frequency control |
| NL48519C (da) * | 1935-04-29 | |||
| US2128997A (en) * | 1937-04-10 | 1938-09-06 | Rca Corp | Automatic frequency control circuit |
| US2243921A (en) * | 1938-11-12 | 1941-06-03 | Rca Corp | Variable capacity device and circuit |
| GB537167A (en) * | 1939-05-03 | 1941-06-11 | Standard Telephones Cables Ltd | Crystal-controlled oscillator |
| US2341040A (en) * | 1940-11-22 | 1944-02-08 | Rca Corp | Frequency modulator |
| US2346331A (en) * | 1942-04-21 | 1944-04-11 | Rca Corp | Combined oscillator and reactance tube |
| US2382615A (en) * | 1942-05-16 | 1945-08-14 | Rca Corp | Oscillator tuning system |
| US2351368A (en) * | 1942-06-03 | 1944-06-13 | Rca Corp | Reactance tube |
| US2374000A (en) * | 1943-03-06 | 1945-04-17 | Rca Corp | Phase modulator |
| US2473556A (en) * | 1943-03-15 | 1949-06-21 | Carl A Wiley | Device for controlling oscillating circuits |
-
0
- NL NL67920D patent/NL67920C/xx active
- BE BE455642D patent/BE455642A/xx unknown
-
1944
- 1944-05-03 DE DEN2170D patent/DE936153C/de not_active Expired
- 1944-05-04 CH CH244209D patent/CH244209A/de unknown
- 1944-05-05 FR FR904097D patent/FR904097A/fr not_active Expired
-
1946
- 1946-07-20 US US685194A patent/US2541650A/en not_active Expired - Lifetime
- 1946-11-11 GB GB33472/46A patent/GB637094A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2541650A (en) | 1951-02-13 |
| BE455642A (da) | |
| CH244209A (de) | 1946-08-31 |
| GB637094A (en) | 1950-05-10 |
| DE936153C (de) | 1955-12-07 |
| FR904097A (fr) | 1945-10-25 |