FR2252707B1 - - Google Patents

Info

Publication number
FR2252707B1
FR2252707B1 FR7438391A FR7438391A FR2252707B1 FR 2252707 B1 FR2252707 B1 FR 2252707B1 FR 7438391 A FR7438391 A FR 7438391A FR 7438391 A FR7438391 A FR 7438391A FR 2252707 B1 FR2252707 B1 FR 2252707B1
Authority
FR
France
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.)
Expired
Application number
FR7438391A
Other versions
FR2252707A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of FR2252707A1 publication Critical patent/FR2252707A1/fr
Application granted granted Critical
Publication of FR2252707B1 publication Critical patent/FR2252707B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
    • H03D7/166—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature using two or more quadrature frequency translation stages
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Superheterodyne Receivers (AREA)
  • Circuits Of Receivers In General (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
FR7438391A 1973-11-22 1974-11-22 Expired FR2252707B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2358288A DE2358288A1 (de) 1973-11-22 1973-11-22 Empfaenger fuer frequenzmodulierte hf-signale

Publications (2)

Publication Number Publication Date
FR2252707A1 FR2252707A1 (fr) 1975-06-20
FR2252707B1 true FR2252707B1 (fr) 1982-02-05

Family

ID=5898810

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7438391A Expired FR2252707B1 (fr) 1973-11-22 1974-11-22

Country Status (7)

Country Link
US (1) US3961262A (fr)
JP (1) JPS535491B2 (fr)
CA (1) CA1035427A (fr)
DE (1) DE2358288A1 (fr)
FR (1) FR2252707B1 (fr)
IT (1) IT1030818B (fr)
NL (1) NL7414835A (fr)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1530602A (en) * 1975-10-14 1978-11-01 Standard Telephones Cables Ltd Demodulator for fm signals
GB1517121A (en) * 1977-01-13 1978-07-12 Standard Telephones Cables Ltd Radio receiver for fsk signals
JPS55143848A (en) * 1979-04-26 1980-11-10 Matsushita Electric Ind Co Ltd Wide band receiving circuit
GB2052196A (en) * 1979-06-27 1981-01-21 Plessey Co Ltd Demodulators
GB2064271B (en) * 1979-07-06 1983-09-28 Plessey Co Ltd Transceivers
JPS5676637A (en) * 1979-11-29 1981-06-24 Fujitsu Ltd Phase synchronizing circuit
DE3007907A1 (de) * 1980-03-01 1981-09-17 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Digitaler empfaenger
FR2525055A1 (fr) * 1982-04-09 1983-10-14 Trt Telecom Radio Electr Procede de correction de frequence de la porteuse locale dans le recepteur d'un systeme de transmission de donnees et recepteur utilisant ce procede
JPS59175837A (ja) * 1983-03-28 1984-10-04 東邦金属株式会社 釣糸
DE3313867A1 (de) * 1983-04-16 1984-10-18 Standard Elektrik Lorenz Ag, 7000 Stuttgart Ueberlagerungsempfaenger
DE3412190C2 (de) * 1984-04-02 1986-12-18 Telefunken electronic GmbH, 7100 Heilbronn Integrierbare Empfängerschaltung
DE3412191A1 (de) * 1984-04-02 1985-10-31 Telefunken electronic GmbH, 7100 Heilbronn Integrierbare empfaengerschaltung
DE3438286A1 (de) * 1984-10-16 1986-04-17 Hansen/Catito Elektronik, 1000 Berlin Verfahren und schaltungsanordnung zum umsetzen frequenzmodulierter signale ueber mindestens eine zwischenfrequenz in niederfrequenzsignale
EP0184593A1 (fr) * 1984-12-14 1986-06-18 Deutsche ITT Industries GmbH Circuit générateur pour engendrer deux signaux sinusoidaux en quadrature
DE3516492A1 (de) * 1985-05-08 1986-11-13 Standard Elektrik Lorenz Ag, 7000 Stuttgart Funkempfaenger
US4653117A (en) * 1985-11-18 1987-03-24 Motorola, Inc. Dual conversion FM receiver using phase locked direct conversion IF
US4837853A (en) * 1987-06-05 1989-06-06 Motorola, Inc. Dual port FM demodulation in phase locked receivers
EP0305604B1 (fr) * 1987-09-03 1992-06-03 Koninklijke Philips Electronics N.V. Récepteur comprenant des voies de signal parables
JP2546331B2 (ja) * 1988-04-26 1996-10-23 ソニー株式会社 Ｆｍ・ａｍ受信機
US4944025A (en) * 1988-08-09 1990-07-24 At&E Corporation Direct conversion FM receiver with offset
US5307517A (en) * 1991-10-17 1994-04-26 Rich David A Adaptive notch filter for FM interference cancellation
JP2982567B2 (ja) * 1993-07-20 1999-11-22 松下電器産業株式会社 受信装置
JP3478313B2 (ja) * 1995-01-25 2003-12-15 ソニー株式会社 受信機
US5937341A (en) 1996-09-13 1999-08-10 University Of Washington Simplified high frequency tuner and tuning method
GB9818400D0 (en) * 1998-08-25 1998-10-21 Philips Electronics Nv Low if reciever
US7139546B1 (en) 2003-04-29 2006-11-21 Ami Semiconductor, Inc. Up-conversion of a down-converted baseband signal in a direct conversion architecture without the baseband signal passing through active elements
US7113760B1 (en) * 2003-04-29 2006-09-26 Ami Semiconductor, Inc. Direct conversion receiver for amplitude modulated signals using linear/log filtering
US7006809B2 (en) * 2003-05-06 2006-02-28 Ami Semiconductor, Inc. Adaptive diversity receiver architecture
US7197091B1 (en) 2003-05-06 2007-03-27 Ami Semiconductor, Inc. Direct conversion receiver with direct current offset correction circuitry
US7272375B2 (en) * 2004-06-30 2007-09-18 Silicon Laboratories Inc. Integrated low-IF terrestrial audio broadcast receiver and associated method
US7877020B1 (en) 2006-04-28 2011-01-25 Hrl Laboratories, Llc Coherent RF-photonic link linearized via a negative feedback phase-tracking loop
US7941059B1 (en) * 2006-04-28 2011-05-10 Hrl Laboratories, Llc Down conversion for distortion free recovery of a phase modulated optical signal
DE102007055529A1 (de) * 2007-08-06 2009-02-12 Rhode & Schwarz Gmbh & Co. Kg Verfahren und Anordnung zum Erzeugen eines frequenzmodulierten Signals
US8306493B2 (en) * 2010-04-13 2012-11-06 Newport Media, Inc. Pilot based adaptation for FM radio receiver

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2997577A (en) * 1960-01-04 1961-08-22 Bell Telephone Labor Inc Synchronous carrier production
US3418578A (en) * 1966-03-11 1968-12-24 Bose Corp Frequency modulation electrical communication system
US3501691A (en) * 1968-05-08 1970-03-17 Varian Associates Single sideband system for improving the sensitivity of gyromagnetic resonance spectrometers
US3831097A (en) * 1973-02-23 1974-08-20 Rhg Electronics Labor Inc Image recovery receiver
US3806815A (en) * 1973-03-06 1974-04-23 Nasa Decision feedback loop for tracking a polyphase modulated carrier

Also Published As

Publication number Publication date
JPS535491B2 (fr) 1978-02-28
CA1035427A (fr) 1978-07-25
JPS50106508A (fr) 1975-08-22
FR2252707A1 (fr) 1975-06-20
IT1030818B (it) 1979-04-10
NL7414835A (nl) 1975-05-26
DE2358288A1 (de) 1975-06-05
AU7541174A (en) 1976-05-20
US3961262A (en) 1976-06-01

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Legal Events

Date Code Title Description
ST Notification of lapse
RC Opposition against decision of lapse
DA Annulment of decision of lapse
ST Notification of lapse