KR890012459A - Radio receiver - Google Patents

Radio receiver Download PDF

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Publication number
KR890012459A
KR890012459A KR1019880015549A KR880015549A KR890012459A KR 890012459 A KR890012459 A KR 890012459A KR 1019880015549 A KR1019880015549 A KR 1019880015549A KR 880015549 A KR880015549 A KR 880015549A KR 890012459 A KR890012459 A KR 890012459A
Authority
KR
South Korea
Prior art keywords
signal
broadcast signal
radio receiver
tuned
bandwidth
Prior art date
Application number
KR1019880015549A
Other languages
Korean (ko)
Other versions
KR960014669B1 (en
Inventor
엠.엑클런드 로렌스
Original Assignee
빈센트 죠셉 로너
모토로라 인코포레이티드
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 빈센트 죠셉 로너, 모토로라 인코포레이티드 filed Critical 빈센트 죠셉 로너
Publication of KR890012459A publication Critical patent/KR890012459A/en
Application granted granted Critical
Publication of KR960014669B1 publication Critical patent/KR960014669B1/en

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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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Circuits Of Receivers In General (AREA)
  • Noise Elimination (AREA)
  • Superheterodyne Receivers (AREA)

Abstract

내용 없음.No content.

Description

라디오 수신기Radio receiver

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 블럭도,1 is a block diagram of the present invention,

제2도는 본 발명의 대역폭 제어 특성을 도시하는 개략도.2 is a schematic diagram illustrating bandwidth control characteristics of the present invention.

Claims (3)

관심있는 방송 신호를 수신하기 위한 RF 수단과, 관심있는 특정 방송 신호를 선택하기 위한 동조 수단과, 정보 신호를 얻기 위해 관심있는 특정 방송 신호를 복조시키기 위한 복조 수단 및 상기 징보 신호를 가청 신호로 표현하기 위한 오디오 수단을 포함하는 라디오 수신기에 있어서, 상기 가청 신호의 대역폭을 제어하기 위한 대역폭수단과, 상기 동조 수단이 관심있는 방송 신호에 동조되지 않을 때 트리거 신호를 제공하기 위한 트리거 수단 및, 상기 대역폭 수단으로 관심있는 방송 신호가 동조될 때 까지 상기 가청 신호의 대역폭을 최소화 하도록 하여 상기 트리거 신호에 응답하기 위한 제어 수단을 구비하는 것을 특징으로 하는 라디오 수신기.RF means for receiving a broadcast signal of interest, tuning means for selecting a particular broadcast signal of interest, demodulation means for demodulating a particular broadcast signal of interest to obtain an information signal, and expressing the signal as an audible signal A radio receiver comprising: audio means for controlling the bandwidth of said audible signal; trigger means for providing a trigger signal when said tuning means is not tuned to a broadcast signal of interest; Means for responding to said trigger signal by minimizing the bandwidth of said audible signal until said broadcast signal of interest has been tuned by means. 제 1 항에 있어서, 상기 대역폭 수단이 가변 Q 필터를 포함하는 것을 특징으로 하는 라디오 수신기.A radio receiver as claimed in claim 1, wherein said bandwidth means comprises a variable Q filter. 방송신호를 수신하고 상기 방송 신호를 오디오 신호로 변환하는 라디오 수신기에서 수신용 방송 신호를 동조할때 방숭국간 잡음을 최소화하기 위한 방법에 있어서, 상기 라디오 수신가가 방송 신호에 동조되지 않는 때를 검출하는 단계와, 상기 라디오 수신기가 방송 신호에 동조되지 않을 때 상기 오디오 신호의 대역폭을 감소시키는 단계 및, 상기 라디오 수신기가 방송 신호에 동조될 때 상기 오디오 신호의 대역폭이증가되도록 허용하는 단계를 구비하는 것을 특징으로 하는 방송국간 잡음 최소화 방법.A method for minimizing noise between radio stations when tuning a broadcast signal for reception in a radio receiver that receives a broadcast signal and converts the broadcast signal into an audio signal, the method comprising: detecting when the radio receiver is not tuned to the broadcast signal; Reducing the bandwidth of the audio signal when the radio receiver is not tuned to a broadcast signal, and allowing the bandwidth of the audio signal to be increased when the radio receiver is tuned to a broadcast signal. A method for minimizing noise between broadcast stations. ※참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is to be disclosed based on the initial application.
KR1019880015549A 1988-01-19 1988-11-25 Radio receiver KR960014669B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14533588A 1988-01-19 1988-01-19
US145,335 1988-01-19

Publications (2)

Publication Number Publication Date
KR890012459A true KR890012459A (en) 1989-08-26
KR960014669B1 KR960014669B1 (en) 1996-10-19

Family

ID=22512622

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880015549A KR960014669B1 (en) 1988-01-19 1988-11-25 Radio receiver

Country Status (5)

Country Link
JP (1) JPH01233834A (en)
KR (1) KR960014669B1 (en)
AU (1) AU613991B2 (en)
BR (1) BR8806494A (en)
CA (1) CA1297535C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI684331B (en) * 2018-05-17 2020-02-01 智原科技股份有限公司 Receiver and common-mode voltage calibration method thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1190289A (en) * 1981-04-28 1985-07-09 Nippon Hoso Kyokai Fm signal demodulation system

Also Published As

Publication number Publication date
JPH01233834A (en) 1989-09-19
KR960014669B1 (en) 1996-10-19
AU2640788A (en) 1989-07-20
AU613991B2 (en) 1991-08-15
BR8806494A (en) 1989-08-22
CA1297535C (en) 1992-03-17

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