NL69021C - - Google Patents
Info
- Publication number
- NL69021C NL69021C NL69021DA NL69021C NL 69021 C NL69021 C NL 69021C NL 69021D A NL69021D A NL 69021DA NL 69021 C NL69021 C NL 69021C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
- H03D3/24—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL267012X | 1946-11-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL69021C true NL69021C (en:Method) |
Family
ID=19781782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL69021D NL69021C (en:Method) | 1946-11-02 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2623174A (en:Method) |
| BE (1) | BE478151A (en:Method) |
| CH (1) | CH267012A (en:Method) |
| DE (1) | DE809669C (en:Method) |
| FR (1) | FR982097A (en:Method) |
| GB (1) | GB654174A (en:Method) |
| NL (1) | NL69021C (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1102834B (de) * | 1959-07-16 | 1961-03-23 | Siemens Elektrogeraete Gmbh | UEberlagerungsempfaenger zum wahlweisen Empfang amplitudenmodulierter oder frequenzmodulierter Schwingungen |
| US3191124A (en) * | 1961-10-30 | 1965-06-22 | Avco Corp | Amplitude noise control gate |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2263615A (en) * | 1940-04-06 | 1941-11-25 | Rca Corp | Frequency modulation detector |
| US2280525A (en) * | 1940-07-02 | 1942-04-21 | Rca Corp | Frequency modulated wave detector |
| US2332540A (en) * | 1941-02-27 | 1943-10-26 | Philco Radio & Television Corp | Method and apparatus for receiving frequency modulated waves |
| GB551344A (en) * | 1941-08-16 | 1943-02-18 | Cossor Ltd A C | Improvements relating to the frequency control of thermionic valve oscillators |
| US2440653A (en) * | 1944-11-14 | 1948-04-27 | Rca Corp | Locked-in oscillator circuits |
-
0
- NL NL69021D patent/NL69021C/xx active
- BE BE478151D patent/BE478151A/xx unknown
-
1947
- 1947-11-28 CH CH267012D patent/CH267012A/de unknown
- 1947-12-02 FR FR982097D patent/FR982097A/fr not_active Expired
- 1947-12-18 GB GB33460/47A patent/GB654174A/en not_active Expired
- 1947-12-23 US US793494A patent/US2623174A/en not_active Expired - Lifetime
-
1948
- 1948-11-04 DE DEP20540A patent/DE809669C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2623174A (en) | 1952-12-23 |
| CH267012A (de) | 1950-02-28 |
| FR982097A (fr) | 1951-06-04 |
| GB654174A (en) | 1951-06-06 |
| BE478151A (en:Method) | |
| DE809669C (de) | 1951-08-02 |