USB565717I5 - - Google Patents

Info

Publication number
USB565717I5
USB565717I5 US56571775A USB565717I5 US B565717 I5 USB565717 I5 US B565717I5 US 56571775 A US56571775 A US 56571775A US B565717 I5 USB565717 I5 US B565717I5
Authority
US
United States
Legal status (The legal status 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 status listed.)
Pending
Application number
Other languages
English (en)
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.)
Filing date
Publication date
Priority to CA219,866A priority Critical patent/CA1062779A/en
Priority to GB50661/77A priority patent/GB1511043A/en
Priority to GB13415/75A priority patent/GB1511041A/en
Priority to NLAANVRAGE7503939,A priority patent/NL178111C/xx
Priority to GB50660/77A priority patent/GB1511042A/en
Priority to DE2514555A priority patent/DE2514555C2/de
Priority to FR757510598A priority patent/FR2266979B1/fr
Priority to JP4047475A priority patent/JPS5714605B2/ja
Application filed filed Critical
Priority to US05/565,717 priority patent/US3999138A/en
Publication of USB565717I5 publication Critical patent/USB565717I5/en
Application granted granted Critical
Publication of US3999138A publication Critical patent/US3999138A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D5/00—Circuits for demodulating amplitude-modulated or angle-modulated oscillations at will
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/14—Demodulation of amplitude-modulated oscillations by means of non-linear elements having more than two poles
    • H03D1/18—Demodulation of amplitude-modulated oscillations by means of non-linear elements having more than two poles of semiconductor devices
    • 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
    • H03D3/14—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 semiconductor devices having more than two electrodes
    • 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
    • H03D3/18—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by means of synchronous gating arrangements
    • H03D3/20—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by means of synchronous gating arrangements producing pulses whose amplitude or duration depends on phase difference

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Circuits Of Receivers In General (AREA)
  • Amplifiers (AREA)
US05/565,717 1974-04-04 1975-04-07 Detector for AM-FM signals Expired - Lifetime US3999138A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
CA219,866A CA1062779A (en) 1974-04-04 1975-02-10 Detector for am-fm signals
GB13415/75A GB1511041A (en) 1974-04-04 1975-04-02 Fm-detector
NLAANVRAGE7503939,A NL178111C (nl) 1974-04-04 1975-04-02 Getransistoriseerde fm-am detectorschakeling.
GB50660/77A GB1511042A (en) 1974-04-04 1975-04-02 If amplifier
GB50661/77A GB1511043A (en) 1974-04-04 1975-04-02 Current source
DE2514555A DE2514555C2 (de) 1974-04-04 1975-04-03 FM/AM-Demodulator
FR757510598A FR2266979B1 (en)) 1974-04-04 1975-04-04
JP4047475A JPS5714605B2 (en)) 1974-04-04 1975-04-04
US05/565,717 US3999138A (en) 1974-04-04 1975-04-07 Detector for AM-FM signals

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US45790874A 1974-04-04 1974-04-04
US05/565,717 US3999138A (en) 1974-04-04 1975-04-07 Detector for AM-FM signals

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US45790874A Continuation-In-Part 1974-04-04 1974-04-04

Publications (2)

Publication Number Publication Date
USB565717I5 true USB565717I5 (en)) 1976-04-13
US3999138A US3999138A (en) 1976-12-21

Family

ID=27038774

Family Applications (1)

Application Number Title Priority Date Filing Date
US05/565,717 Expired - Lifetime US3999138A (en) 1974-04-04 1975-04-07 Detector for AM-FM signals

Country Status (7)

Country Link
US (1) US3999138A (en))
JP (1) JPS5714605B2 (en))
CA (1) CA1062779A (en))
DE (1) DE2514555C2 (en))
FR (1) FR2266979B1 (en))
GB (3) GB1511043A (en))
NL (1) NL178111C (en))

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4050022A (en) * 1975-10-20 1977-09-20 General Electric Company AM-FM receiver having improved mode conversion
FR2331909A1 (fr) * 1975-11-14 1977-06-10 Gen Electric Circuit radio-recepteur pour un recepteur a modulation d'amplitude et a modulation de frequence
DE2554255A1 (de) * 1975-12-03 1977-06-16 Gen Electric Schaltung fuer einen am-fm-rundfunkempfaenger
US4122394A (en) * 1976-01-19 1978-10-24 Hitachi, Ltd. Phase-shifting multiplication type FM signal demodulation circuit
JPS5855696B2 (ja) * 1976-12-11 1983-12-10 富士通テン株式会社 Ａｍ・ｆｍ兼用周波数弁別器
US4201946A (en) * 1978-12-22 1980-05-06 General Electric Company AM-FM Detector circuit stabilized against fabrication and temperature variations
JPS55155105U (en)) * 1979-04-20 1980-11-08
JPS5643807A (en) * 1979-09-17 1981-04-22 Nec Corp Detecting circuit
US4388496A (en) * 1980-08-11 1983-06-14 Trio Kabushiki Kaisha FM/AM Stereo receiver
US4390845A (en) * 1980-12-05 1983-06-28 Motorola, Inc. Gated quadrature detector biased to switch on sinusoidal zero crossings
US4534043A (en) * 1983-06-27 1985-08-06 Racal Data Communications, Inc. Test tone detector apparatus and method modem using same
US4634965A (en) * 1984-12-31 1987-01-06 Sundstrand Data Control, Inc. Charge balancing detection circuit
JPS61206310U (en)) * 1986-04-17 1986-12-26
US4730603A (en) * 1987-01-28 1988-03-15 Minnesota Mining And Manufacturing Company Receiver of amplitude modulated signals
WO2007126573A2 (en) 2006-03-29 2007-11-08 Thomson Licensing Frequency limiting amplifier in a fsk receiver

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3022461A (en) * 1959-07-20 1962-02-20 Ampex Frequency and/or phase demodulator
US3519944A (en) * 1968-02-15 1970-07-07 Rca Corp Angle modulation discriminator-detector circuit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB968995A (en) * 1960-09-14 1964-09-09 Ass Elect Ind Frequency deviation detector
US3665507A (en) * 1971-01-04 1972-05-23 Gen Electric Signal processor for reception of amplitude or frequency modulated signals

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3022461A (en) * 1959-07-20 1962-02-20 Ampex Frequency and/or phase demodulator
US3519944A (en) * 1968-02-15 1970-07-07 Rca Corp Angle modulation discriminator-detector circuit

Also Published As

Publication number Publication date
FR2266979A1 (en)) 1975-10-31
NL178111B (nl) 1985-08-16
NL7503939A (nl) 1975-10-07
FR2266979B1 (en)) 1981-03-06
JPS5714605B2 (en)) 1982-03-25
JPS50141956A (en)) 1975-11-15
GB1511041A (en) 1978-05-17
NL178111C (nl) 1986-01-16
GB1511043A (en) 1978-05-17
DE2514555C2 (de) 1987-02-12
DE2514555A1 (de) 1975-10-30
GB1511042A (en) 1978-05-17
US3999138A (en) 1976-12-21
CA1062779A (en) 1979-09-18

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Legal Events

Date Code Title Description
AS Assignment

Owner name: RCA LICENSING CORPORATION, TWO INDEPENDECE WAY, PR

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:GENERAL ELECTRIC COMPANY, A NY CORP.;REEL/FRAME:004854/0730

Effective date: 19880126

Owner name: RCA LICENSING CORPORATION, A DE CORP.,NEW JERSEY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:GENERAL ELECTRIC COMPANY, A NY CORP.;REEL/FRAME:004854/0730

Effective date: 19880126

STCF Information on status: patent grant

Free format text: PATENTED FILE - (OLD CASE ADDED FOR FILE TRACKING PURPOSES)