DE69319777T2 - Mehrwegeempfangsdetektor mit Phasenvergleich des Stereopilotsignales - Google Patents

Mehrwegeempfangsdetektor mit Phasenvergleich des Stereopilotsignales

Info

Publication number
DE69319777T2
DE69319777T2 DE69319777T DE69319777T DE69319777T2 DE 69319777 T2 DE69319777 T2 DE 69319777T2 DE 69319777 T DE69319777 T DE 69319777T DE 69319777 T DE69319777 T DE 69319777T DE 69319777 T2 DE69319777 T2 DE 69319777T2
Authority
DE
Germany
Prior art keywords
pilot signal
phase comparison
stereo pilot
reception detector
way reception
Prior art date
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 - Fee Related
Application number
DE69319777T
Other languages
English (en)
Other versions
DE69319777D1 (de
Inventor
John F Kennedy
Robert D Plowdrey
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.)
Ford Werke GmbH
Original Assignee
Ford Werke GmbH
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 Ford Werke GmbH filed Critical Ford Werke GmbH
Application granted granted Critical
Publication of DE69319777D1 publication Critical patent/DE69319777D1/de
Publication of DE69319777T2 publication Critical patent/DE69319777T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1081—Reduction of multipath noise
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
    • 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
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • 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
    • H04B1/1646—Circuits adapted for the reception of stereophonic signals
    • H04B1/1661—Reduction of noise by manipulation of the baseband composite stereophonic signal or the decoded left and right channels
    • 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
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • H04B2001/1054—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal by changing bandwidth

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Noise Elimination (AREA)
DE69319777T 1992-04-06 1993-03-18 Mehrwegeempfangsdetektor mit Phasenvergleich des Stereopilotsignales Expired - Fee Related DE69319777T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/863,996 US5408685A (en) 1992-04-06 1992-04-06 Multipath detector using phase comparison of stereo pilot signal

Publications (2)

Publication Number Publication Date
DE69319777D1 DE69319777D1 (de) 1998-08-27
DE69319777T2 true DE69319777T2 (de) 1998-12-03

Family

ID=25342292

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69319777T Expired - Fee Related DE69319777T2 (de) 1992-04-06 1993-03-18 Mehrwegeempfangsdetektor mit Phasenvergleich des Stereopilotsignales

Country Status (3)

Country Link
US (1) US5408685A (de)
EP (1) EP0565255B1 (de)
DE (1) DE69319777T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4401053A1 (de) * 1994-01-15 1995-07-20 Becker Gmbh Verfahren zur Ermittlung von Störsignalen im frequenzmodulierten Empfangssignal eines Rundfunkempfängers und Schaltungsanordnung zur Durchführung dieses Verfahrens
JPH08139632A (ja) * 1994-11-15 1996-05-31 Uniden Corp 狭帯域通信装置
US5710995A (en) * 1997-01-16 1998-01-20 Ford Motor Company Adaptive antenna receiver
US6128337A (en) * 1997-05-29 2000-10-03 Trimble Navigation Limited Multipath signal discrimination
US6173166B1 (en) * 1998-06-29 2001-01-09 Visteon Global Technologies, Inc. Detection and correction of multipath in an FM receiver
US6944301B1 (en) * 1999-03-10 2005-09-13 Cirrus Logic, Inc. Method and apparatus for discriminating multipath and pulse noise distortions in radio receivers
EP1100208B1 (de) * 1999-11-08 2011-02-23 Continental Automotive GmbH Empfänger mit auf Mehrwegstörungen abhängigen Mono-Stereo-Detektor
US6813359B2 (en) * 2001-05-01 2004-11-02 Bae Systems Information And Electronic Systems Integration Inc. Apparatus and method for minimizing multipath interference
JP4134301B2 (ja) * 2004-02-12 2008-08-20 新潟精密株式会社 Ｆｍ受信機
US10636408B2 (en) * 2018-09-28 2020-04-28 The Boeing Company Headrest-integrated active noise control
US10672377B2 (en) * 2018-09-28 2020-06-02 The Boeing Company Feedback-based correction of a control signal in an active noise control system
US10777184B2 (en) 2018-09-28 2020-09-15 The Boeing Company Correction of a control signal in an active noise control headrest

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3537008A (en) * 1967-05-09 1970-10-27 Trw Inc Communications system incorporating means for combatting multipath interference
US3825697A (en) * 1973-07-27 1974-07-23 Gen Motors Corp Phase-lock-loop fm-stereo decoder including stereophonic/monophonic blend system for reducing audio distortion
JPS54122004A (en) * 1978-03-15 1979-09-21 Pioneer Electronic Corp Fm receiver
US4521918A (en) * 1980-11-10 1985-06-04 General Electric Company Battery saving frequency synthesizer arrangement
JPS57121345A (en) * 1981-01-20 1982-07-28 Sanyo Electric Co Ltd Pulse noise eliminating circuit
JPS6014524A (ja) * 1983-07-06 1985-01-25 Pioneer Electronic Corp マルチパス歪低減回路
JPS61202537A (ja) * 1985-03-06 1986-09-08 Clarion Co Ltd Ｆｍステレオ受信機におけるステレオ雑音低減回路
JPS62175025A (ja) * 1986-01-25 1987-07-31 Fujitsu Ten Ltd 雑音除去装置
NL8603221A (nl) * 1986-12-18 1988-07-18 Philips Nv Gemodificeerde multipaddetektor.
US4852167A (en) * 1987-01-20 1989-07-25 Sanyo Electric Co., Ltd. FMX stereophonic receiver
JPH0422584Y2 (de) * 1987-02-13 1992-05-25
US4821322A (en) * 1987-08-12 1989-04-11 Bose Corporation FM multiplex decoding
US5046129A (en) * 1989-01-24 1991-09-03 Bose Corporation Reducing phase error in received FM multiplex signal
US5036543A (en) * 1989-06-30 1991-07-30 Pioneer Electronic Corporation Noise suppression apparatus for FM receiver
DE4027399C2 (de) * 1990-08-30 1995-11-30 Blaupunkt Werke Gmbh UKW-Autoradio
JPH04134928A (ja) * 1990-09-26 1992-05-08 Pioneer Electron Corp ノイズ除去回路
US5241687A (en) * 1991-02-14 1993-08-31 Bose Corporation Phase controlling phase of local subcarrier signal to correspond to transmitted pilot signal
US5249233A (en) * 1992-04-06 1993-09-28 Ford Motor Company Multipath noise minimizer for radio receiver

Also Published As

Publication number Publication date
EP0565255B1 (de) 1998-07-22
DE69319777D1 (de) 1998-08-27
US5408685A (en) 1995-04-18
EP0565255A1 (de) 1993-10-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: FORD-WERKE GMBH, 50735 KOELN, DE

8339 Ceased/non-payment of the annual fee