KR880012032A - Fm 통신기 - Google Patents

Fm 통신기 Download PDF

Info

Publication number
KR880012032A
KR880012032A KR1019880002387A KR880002387A KR880012032A KR 880012032 A KR880012032 A KR 880012032A KR 1019880002387 A KR1019880002387 A KR 1019880002387A KR 880002387 A KR880002387 A KR 880002387A KR 880012032 A KR880012032 A KR 880012032A
Authority
KR
South Korea
Prior art keywords
detection circuit
communicator
log amplifier
note
disclosure
Prior art date
Application number
KR1019880002387A
Other languages
English (en)
Other versions
KR960008947B1 (en
Inventor
분이치 오바나
겐이치 가나자와
Original Assignee
오가 노리오
소니 가부시키가이샤
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 오가 노리오, 소니 가부시키가이샤 filed Critical 오가 노리오
Publication of KR880012032A publication Critical patent/KR880012032A/ko
Application granted granted Critical
Publication of KR960008947B1 publication Critical patent/KR960008947B1/ko

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
    • 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
    • H03D3/001—Details of arrangements applicable to more than one type of frequency demodulator
    • H03D3/002—Modifications of demodulators to reduce interference by undesired signals
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Circuits Of Receivers In General (AREA)

Abstract

내용 없음

Description

FM 통신기
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도 본원 발명 FM 통신기의 일실시예를 설명하기 위한 것이다.

Claims (1)

  1. 수신한 주파수 피변조 신호를 대수(對數) 변환하는 로그앰프와, 상기 로그앰프의 출력 신호의 비트 성분의 레벨을 검출하는 검파회로를 가진 간섭 검출회로를 구비한 것을 특징으로 하는 FM 통신기.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR88002387A 1987-03-18 1988-03-08 Fm communicator KR960008947B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62-63587 1987-03-18
JP62063587A JP2698349B2 (ja) 1987-03-18 1987-03-18 Ｆｍ通信機

Publications (2)

Publication Number Publication Date
KR880012032A true KR880012032A (ko) 1988-10-31
KR960008947B1 KR960008947B1 (en) 1996-07-10

Family

ID=13233548

Family Applications (1)

Application Number Title Priority Date Filing Date
KR88002387A KR960008947B1 (en) 1987-03-18 1988-03-08 Fm communicator

Country Status (6)

Country Link
US (1) US4882768A (ko)
EP (1) EP0283401B1 (ko)
JP (1) JP2698349B2 (ko)
KR (1) KR960008947B1 (ko)
CA (1) CA1278043C (ko)
DE (1) DE3852052T2 (ko)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4550654A (en) * 1983-04-01 1985-11-05 Heden Team A.G. Apparatus for automatic preparation of food products such as bread, cakes and the like
US4590850A (en) * 1983-12-27 1986-05-27 Heden Team A.G. Apparatus for automatically making of food products such as bread, cakes and the like
US4998289A (en) * 1988-06-02 1991-03-05 Motorola, Inc. Signal integrity control technique for an RF communication system
IL89961A (en) * 1988-06-02 1992-12-01 Motorola Inc Interference detecting circuit for high frequency angular modulated system
GB2226723B (en) * 1988-10-06 1992-12-23 Peter Smolka A method of and system for demodulating fm signals
GB8906997D0 (en) * 1989-03-28 1989-05-10 Secr Defence Fm interference reduction
JPH04291524A (ja) * 1991-03-20 1992-10-15 Matsushita Electric Ind Co Ltd 受信装置
BR9204795A (pt) * 1991-04-29 1993-07-13 Motorola Inc Circuito e processo para indicar nivel de interferencia,e dispositivo de comunicacao
DE4235453C2 (de) * 1992-10-21 1995-03-09 Grundig Emv Verfahren zur Bestimmung des Belegungszustandes von FDM-Funkübertragungskanälen
WO2014089123A1 (en) 2012-12-03 2014-06-12 Forrest James Brown Low noise detection system using log detector amplifier
WO2014144919A1 (en) * 2013-03-15 2014-09-18 Forrest James Brown Power combiner and fixed/adjustable cpl antennas
WO2014144958A1 (en) * 2013-03-15 2014-09-18 Forrest James Brown Frequency selective logarithmic amplifier with intrinsic frequency demodulation capability
CN105765601B (zh) * 2013-09-12 2020-03-06 多康公司 在通信装置的接收链中使用的系统和方法
US11183974B2 (en) * 2013-09-12 2021-11-23 Dockon Ag Logarithmic detector amplifier system in open-loop configuration for use as high sensitivity selective receiver without frequency conversion
US11082014B2 (en) 2013-09-12 2021-08-03 Dockon Ag Advanced amplifier system for ultra-wide band RF communication

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4166251A (en) * 1977-05-30 1979-08-28 Victor Company Of Japan, Ltd. System for removing interference distortion in the demodulated signal of a frequency-modulated signal
US4380082A (en) * 1980-05-21 1983-04-12 Nippon Electric Co., Ltd. Digital signal receiver with FM interference elimination capability
US4466128A (en) * 1981-01-15 1984-08-14 Texas Instruments Incorporated Automatically centered pulsed FM receiver
JPS5868330A (ja) * 1981-10-19 1983-04-23 Nippon Telegr & Teleph Corp <Ntt> 同一周波干渉検出回路
JPS59161945A (ja) * 1983-03-04 1984-09-12 Nippon Telegr & Teleph Corp <Ntt> 移動通信方式における干渉検出装置
JPS6251845A (ja) * 1985-08-31 1987-03-06 Nec Corp 干渉検出器
JPS6267938A (ja) * 1985-09-19 1987-03-27 Nippon Telegr & Teleph Corp <Ntt> 電波干渉検出方法および装置

Also Published As

Publication number Publication date
KR960008947B1 (en) 1996-07-10
US4882768A (en) 1989-11-21
EP0283401B1 (en) 1994-11-09
DE3852052D1 (de) 1994-12-15
DE3852052T2 (de) 1995-04-06
JP2698349B2 (ja) 1998-01-19
EP0283401A2 (en) 1988-09-21
EP0283401A3 (en) 1990-07-04
JPS63229927A (ja) 1988-09-26
CA1278043C (en) 1990-12-18

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