BE475237A - - Google Patents

Info

Publication number
BE475237A
BE475237A BE475237DA BE475237A BE 475237 A BE475237 A BE 475237A BE 475237D A BE475237D A BE 475237DA BE 475237 A BE475237 A BE 475237A
Authority
BE
Belgium
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of BE475237A publication Critical patent/BE475237A/xx

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
BE475237D 1945-06-14 BE475237A (xx)

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
BE475237A true BE475237A (xx)

Family

ID=24399244

Family Applications (1)

Application Number Title Priority Date Filing Date
BE475237D BE475237A (xx) 1945-06-14

Country Status (8)

Country Link
US (1) US2497840A (xx)
BE (1) BE475237A (xx)
CH (1) CH278146A (xx)
DE (1) DE965854C (xx)
ES (1) ES172599A1 (xx)
FR (1) FR927665A (xx)
GB (1) GB602846A (xx)
NL (1) NL70931C (xx)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
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
BE528261A (xx) * 1953-04-21
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
NL223075A (xx) * 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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE411275A (xx) * 1934-09-14
NL79628B (xx) * 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 (xx) * 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

Also Published As

Publication number Publication date
FR927665A (fr) 1947-11-05
ES172599A1 (es) 1946-03-16
GB602846A (en) 1948-06-03
DE965854C (de) 1957-06-27
CH278146A (fr) 1951-09-30
NL70931C (xx)
US2497840A (en) 1950-02-14

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