DE3887049D1 - FM-Stereodemodulatoren. - Google Patents

FM-Stereodemodulatoren.

Info

Publication number
DE3887049D1
DE3887049D1 DE88115018T DE3887049T DE3887049D1 DE 3887049 D1 DE3887049 D1 DE 3887049D1 DE 88115018 T DE88115018 T DE 88115018T DE 3887049 T DE3887049 T DE 3887049T DE 3887049 D1 DE3887049 D1 DE 3887049D1
Authority
DE
Germany
Prior art keywords
demodulators
stereo
stereo demodulators
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 - Lifetime
Application number
DE88115018T
Other languages
English (en)
Other versions
DE3887049T2 (de
Inventor
Kazuhisa Ishiguro
Mikio Yamagishi
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co Ltd
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 claimed from JP62235442A external-priority patent/JPS6478043A/ja
Priority claimed from JP62331178A external-priority patent/JPH01171335A/ja
Application filed by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Publication of DE3887049D1 publication Critical patent/DE3887049D1/de
Application granted granted Critical
Publication of DE3887049T2 publication Critical patent/DE3887049T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04B1/16—Circuits
    • 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
    • H04B1/1692—Circuits adapted for the reception of stereophonic signals using companding of the stereo difference signal, e.g. FMX

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Stereo-Broadcasting Methods (AREA)
DE88115018T 1987-09-18 1988-09-14 FM-Stereodemodulatoren. Expired - Lifetime DE3887049T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62235442A JPS6478043A (en) 1987-09-18 1987-09-18 Fm stereoscopic demodulation circuit
JP62331178A JPH01171335A (ja) 1987-12-25 1987-12-25 ステレオ復調回路の分離度調整装置

Publications (2)

Publication Number Publication Date
DE3887049D1 true DE3887049D1 (de) 1994-02-24
DE3887049T2 DE3887049T2 (de) 1994-05-05

Family

ID=26532128

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88115018T Expired - Lifetime DE3887049T2 (de) 1987-09-18 1988-09-14 FM-Stereodemodulatoren.

Country Status (4)

Country Link
US (1) US4972482A (de)
EP (1) EP0307887B1 (de)
KR (1) KR970000160B1 (de)
DE (1) DE3887049T2 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5077797A (en) * 1989-05-25 1991-12-31 Sanyo Electric Co., Ltd. Fm stereo receiver
DE4102834A1 (de) * 1991-01-31 1992-08-06 Rohde & Schwarz Anordnung zum abgleich eines stereodecoders auf minimales uebersprechen
US5377272A (en) * 1992-08-28 1994-12-27 Thomson Consumer Electronics, Inc. Switched signal processing circuit
DE69428184T2 (de) * 1993-06-30 2002-05-16 Shintom Kk Funkempfänger
DE4326811A1 (de) * 1993-08-10 1995-02-16 Philips Patentverwaltung Schaltungsanordnung zum Umwandeln eines Stereosignals
JPH10163877A (ja) 1996-11-28 1998-06-19 Sony Corp 復調回路における多値コンパレータのしきい値制御回路
US7447321B2 (en) * 2001-05-07 2008-11-04 Harman International Industries, Incorporated Sound processing system for configuration of audio signals in a vehicle
US6804565B2 (en) 2001-05-07 2004-10-12 Harman International Industries, Incorporated Data-driven software architecture for digital sound processing and equalization
US7451006B2 (en) * 2001-05-07 2008-11-11 Harman International Industries, Incorporated Sound processing system using distortion limiting techniques
US7177432B2 (en) * 2001-05-07 2007-02-13 Harman International Industries, Incorporated Sound processing system with degraded signal optimization
CA2773294C (en) 2002-05-03 2013-03-12 Harman International Industries, Incorporated Sound detection and localization system
JP3891896B2 (ja) * 2002-07-12 2007-03-14 株式会社豊田自動織機 セパレーション調整回路
US7986790B2 (en) 2006-03-14 2011-07-26 Starkey Laboratories, Inc. System for evaluating hearing assistance device settings using detected sound environment
US8571244B2 (en) * 2008-03-25 2013-10-29 Starkey Laboratories, Inc. Apparatus and method for dynamic detection and attenuation of periodic acoustic feedback
US9729976B2 (en) 2009-12-22 2017-08-08 Starkey Laboratories, Inc. Acoustic feedback event monitoring system for hearing assistance devices
US8917891B2 (en) 2010-04-13 2014-12-23 Starkey Laboratories, Inc. Methods and apparatus for allocating feedback cancellation resources for hearing assistance devices
US8942398B2 (en) 2010-04-13 2015-01-27 Starkey Laboratories, Inc. Methods and apparatus for early audio feedback cancellation for hearing assistance devices
US9654885B2 (en) 2010-04-13 2017-05-16 Starkey Laboratories, Inc. Methods and apparatus for allocating feedback cancellation resources for hearing assistance devices

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL174312C (nl) * 1978-05-17 1984-05-16 Philips Nv Stereodecoder met 19khz-piloot onderdrukking en verbeterende oscillatie-fase-vergrendeling.
JPS5639646A (en) * 1979-09-07 1981-04-15 Pioneer Electronic Corp Processor for demodulation output of stereophonic signal
GB2078066B (en) * 1980-06-13 1984-08-30 Magnavox Consumer Electronics A circuit for minimizing the effects of the level of received broadcast signals on separation in a sterephonic receiver
US4375580A (en) * 1980-10-27 1983-03-01 National Semiconductor Corporation AM Stereo receiver separation control
US4748669A (en) * 1986-03-27 1988-05-31 Hughes Aircraft Company Stereo enhancement system

Also Published As

Publication number Publication date
KR970000160B1 (ko) 1997-01-04
DE3887049T2 (de) 1994-05-05
US4972482A (en) 1990-11-20
KR890005970A (ko) 1989-05-18
EP0307887A2 (de) 1989-03-22
EP0307887A3 (en) 1990-06-06
EP0307887B1 (de) 1994-01-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition