NL70931C - - Google Patents
Info
- Publication number
- NL70931C NL70931C NL70931DA NL70931C NL 70931 C NL70931 C NL 70931C NL 70931D A NL70931D A NL 70931DA NL 70931 C NL70931 C NL 70931C
- 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
- H03D3/06—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators
- H03D3/08—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators by means of diodes, e.g. Foster-Seeley discriminator
- H03D3/10—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators by means of diodes, e.g. Foster-Seeley discriminator in which the diodes are simultaneously conducting during the same half period of the signal, e.g. radio detector
 
- 
        - B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
 
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Amplifiers (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| US599343A US2497840A (en) | 1945-06-14 | 1945-06-14 | Angle modulation detector | 
Publications (1)
| Publication Number | Publication Date | 
|---|---|
| NL70931C true NL70931C (en0) | 
Family
ID=24399244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| NL70931D NL70931C (en0) | 1945-06-14 | 
Country Status (8)
| Country | Link | 
|---|---|
| US (1) | US2497840A (en0) | 
| BE (1) | BE475237A (en0) | 
| CH (1) | CH278146A (en0) | 
| DE (1) | DE965854C (en0) | 
| ES (1) | ES172599A1 (en0) | 
| FR (1) | FR927665A (en0) | 
| GB (1) | GB602846A (en0) | 
| NL (1) | NL70931C (en0) | 
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| US2653230A (en) * | 1948-07-19 | 1953-09-22 | Sylvania Electric Prod | Ratio detector | 
| US2694143A (en) * | 1948-11-12 | 1954-11-09 | Torrence H Chambers | Balanced phase detector | 
| DE865008C (de) * | 1949-07-21 | 1953-03-05 | Siemens Ag | Demodulator fuer frequenzmodulierte Hochfrequenzschwingungen | 
| US2623530A (en) * | 1949-12-17 | 1952-12-30 | Nathan L Solomon | Hair curler | 
| US2676250A (en) * | 1950-04-27 | 1954-04-20 | Stromberg Carlson Co | Pulse clipping circuit | 
| DE975723C (de) * | 1951-12-06 | 1962-06-28 | Telefunken Patent | Schaltung zur Abstimmungsanzeige | 
| CA578158A (en) * | 1953-04-21 | 1959-06-23 | Westinghouse Electric Corporation | Frequency shift receiver | 
| US2794912A (en) * | 1953-09-23 | 1957-06-04 | Gen Electric | Frequency modulation detector | 
| DE1104570B (de) * | 1954-05-28 | 1961-04-13 | Philips Patentverwaltung | Verhaeltnis-Detektor | 
| NL97726C (en0) * | 1956-12-15 | |||
| US2943263A (en) * | 1957-08-20 | 1960-06-28 | Hazeltine Research Inc | Phase detector | 
| US2999948A (en) * | 1958-05-15 | 1961-09-12 | Robert W Beckwith | Signal transmission circuit | 
| US3122708A (en) * | 1960-11-09 | 1964-02-25 | Motorola Inc | Gain controlled frequency modulation detector system | 
| US3256489A (en) * | 1963-01-11 | 1966-06-14 | Rca Corp | Amplitude dependent zero shift reduction for frequency discriminators | 
| US3386042A (en) * | 1964-12-28 | 1968-05-28 | Collins Radio Co | Diode detector having individual audio and rectified d-c doubled outputs | 
| US3399353A (en) * | 1967-06-02 | 1968-08-27 | Rca Corp | Fm counter-type detector especially suited for integrated circuit fabrication | 
| US4272726A (en) * | 1979-07-20 | 1981-06-09 | Rca Corporation | Differential FM detector with series tuned filter | 
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| BE411275A (en0) * | 1934-09-14 | |||
| NL79628B (en0) * | 1935-10-17 | |||
| DE917130C (de) * | 1936-08-05 | 1954-08-26 | Telefunken Gmbh | Einrichtung zur Daempfung stoerender, einer pericodischen Wechselspannung ueberlagerter Stossspannungen | 
| US2173231A (en) * | 1937-06-22 | 1939-09-19 | Rca Corp | Measuring instrument | 
| US2190319A (en) * | 1937-07-31 | 1940-02-13 | Rca Corp | Automatic tuning system | 
| NL56738C (en0) * | 1938-10-15 | 1900-01-01 | ||
| US2282101A (en) * | 1939-12-22 | 1942-05-05 | Rca Corp | Detection of frequency modulated waves | 
| GB552807A (en) * | 1940-08-12 | 1943-04-27 | Hazeltine Corp | Improvements in carrier-signal frequency-detector systems | 
| US2286378A (en) * | 1940-08-31 | 1942-06-16 | Rca Corp | Frequency modulated wave detector | 
| US2302834A (en) * | 1940-12-03 | 1942-11-24 | Rca Corp | Discriminator-rectifier circuit | 
| US2312070A (en) * | 1940-12-07 | 1943-02-23 | Rca Corp | Frequency discriminator circuit | 
| US2296092A (en) * | 1941-07-17 | 1942-09-15 | Rca Corp | Differential detector circuits | 
| US2330902A (en) * | 1941-10-17 | 1943-10-05 | Philco Radio & Television Corp | Detector and automatic volume control circuit for frequency-modulation receivers | 
| US2413913A (en) * | 1942-10-29 | 1947-01-07 | Rca Corp | Frequency discriminator circuit | 
- 
        0
        - NL NL70931D patent/NL70931C/xx active
- BE BE475237D patent/BE475237A/xx unknown
 
- 
        1945
        - 1945-06-14 US US599343A patent/US2497840A/en not_active Expired - Lifetime
- 1945-12-18 GB GB34297/45A patent/GB602846A/en not_active Expired
 
- 
        1946
        - 1946-02-18 ES ES172599A patent/ES172599A1/es not_active Expired
- 1946-06-05 FR FR927665D patent/FR927665A/fr not_active Expired
 
- 
        1947
        - 1947-07-23 CH CH278146D patent/CH278146A/fr unknown
 
- 
        1950
        - 1950-05-16 DE DER1753A patent/DE965854C/de not_active Expired
 
Also Published As
| Publication number | Publication date | 
|---|---|
| DE965854C (de) | 1957-06-27 | 
| BE475237A (en0) | |
| GB602846A (en) | 1948-06-03 | 
| US2497840A (en) | 1950-02-14 | 
| ES172599A1 (es) | 1946-03-16 | 
| CH278146A (fr) | 1951-09-30 | 
| FR927665A (fr) | 1947-11-05 |