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KR930003579A - Radio system with automatic tuning - Google Patents

Radio system with automatic tuning Download PDF

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Publication number
KR930003579A
KR930003579A KR1019910011216A KR910011216A KR930003579A KR 930003579 A KR930003579 A KR 930003579A KR 1019910011216 A KR1019910011216 A KR 1019910011216A KR 910011216 A KR910011216 A KR 910011216A KR 930003579 A KR930003579 A KR 930003579A
Authority
KR
South Korea
Prior art keywords
parts
level
synthesizing
frequency amplifier
radio system
Prior art date
Application number
KR1019910011216A
Other languages
Korean (ko)
Other versions
KR940003749B1 (en
Inventor
신영호
Original Assignee
김광호
삼성전자 주식회사
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 김광호, 삼성전자 주식회사 filed Critical 김광호
Priority to KR1019910011216A priority Critical patent/KR940003749B1/en
Publication of KR930003579A publication Critical patent/KR930003579A/en
Application granted granted Critical
Publication of KR940003749B1 publication Critical patent/KR940003749B1/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
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)

Abstract

내용 없음.No content.

Description

자동선국변경이 가능한 라디오시스템Radio system with automatic tuning

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

제2도는 본 발명의 라디오시스템 블럭도.2 is a block diagram of a radio system of the present invention.

Claims (1)

제1, 제2동조공진부(10, 100)와 제1, 제2고주파증폭부(20, 200)와 제1, 제2혼합부(30, 300)와 제1, 제2국부발진부(40, 400)와 제1, 제2중간주파수필터부(50, 500)와, 제1, 제2중간주파수증폭부(60, 600)와 검파부(80) 및 디지탈동조시스템조절부(70)로 이루어진 라디오시스템에 있어서, 상기 제1, 제2동조공진부(10, 100)와 제1, 제2고주파증폭부(20, 200) 및 제1, 제2중간주파수증폭부(60, 600)의 레벨을 검출하기 위해 그 각각에 연결된 제1,2,3,4,5,6레벨검파부(1,2,3,4,5,6)와, 상기 제1,3,5레벨검파부(1,3,5)에서 검출된 레벨을 합성하는 제1레벨합성부(7)와 상기 제2,4,6레벨검파부(2,4,6)에서 검출된 레벨을 합성하는 제2레벨합성부(8)와 상기 제1,2레벨합성부(7,8)의 출력 신호를 서로 비교하는 레벨 비교부(9)가 추가됨으로써 자동선국변경 이 가능하도록 한 라디오시스템.The first and second tuning resonance parts 10 and 100, the first and second high frequency amplifier parts 20 and 200, the first and second mixing parts 30 and 300, and the first and second local oscillation parts 40 400, the first and second intermediate frequency filter units 50 and 500, the first and second intermediate frequency amplifier units 60 and 600, the detector unit 80, and the digital tuning system control unit 70. In the radio system, the first and second tuning resonance parts 10 and 100, the first and second high frequency amplifier parts 20 and 200, and the first and second intermediate frequency amplifier parts 60 and 600, respectively. First, second, third, fourth, fifth, and sixth level detectors 1,2,3,4,5,6 connected to each of the first, second, third, fourth, fifth level detectors The first level synthesizing unit 7 for synthesizing the levels detected in 1, 3, and 5 and the second level synthesizing for synthesizing the levels detected by the second, fourth and sixth level detectors 2, 4 and 6. A radio system which enables automatic channel selection by the addition of a level comparator (9) for comparing the output signal of the section (8) and the output signals of the first and second level combining sections (7,8). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910011216A 1991-07-02 1991-07-02 Radio system having auto turning function KR940003749B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910011216A KR940003749B1 (en) 1991-07-02 1991-07-02 Radio system having auto turning function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910011216A KR940003749B1 (en) 1991-07-02 1991-07-02 Radio system having auto turning function

Publications (2)

Publication Number Publication Date
KR930003579A true KR930003579A (en) 1993-02-24
KR940003749B1 KR940003749B1 (en) 1994-04-28

Family

ID=19316683

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910011216A KR940003749B1 (en) 1991-07-02 1991-07-02 Radio system having auto turning function

Country Status (1)

Country Link
KR (1) KR940003749B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100489019B1 (en) * 2000-12-21 2005-05-11 주식회사 포스코 Apparatus for measuring temperature of slab in reheating furnace

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100489019B1 (en) * 2000-12-21 2005-05-11 주식회사 포스코 Apparatus for measuring temperature of slab in reheating furnace

Also Published As

Publication number Publication date
KR940003749B1 (en) 1994-04-28

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