KR970008860A - Channel Search Method in Frequency Synthesis Tuner - Google Patents

Channel Search Method in Frequency Synthesis Tuner Download PDF

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Publication number
KR970008860A
KR970008860A KR1019950019278A KR19950019278A KR970008860A KR 970008860 A KR970008860 A KR 970008860A KR 1019950019278 A KR1019950019278 A KR 1019950019278A KR 19950019278 A KR19950019278 A KR 19950019278A KR 970008860 A KR970008860 A KR 970008860A
Authority
KR
South Korea
Prior art keywords
broadcasting
vhf
searching
band
frequency interval
Prior art date
Application number
KR1019950019278A
Other languages
Korean (ko)
Other versions
KR0162363B1 (en
Inventor
강석판
Original Assignee
구자홍
Lg 전자 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 구자홍, Lg 전자 주식회사 filed Critical 구자홍
Priority to KR1019950019278A priority Critical patent/KR0162363B1/en
Publication of KR970008860A publication Critical patent/KR970008860A/en
Application granted granted Critical
Publication of KR0162363B1 publication Critical patent/KR0162363B1/en

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/18—Automatic scanning over a band of frequencies
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
    • H03J1/0058—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor provided with channel identification means
    • H03J1/0066—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor provided with channel identification means with means for analysing the received signal strength
    • H03J1/0075—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor provided with channel identification means with means for analysing the received signal strength where the receiving frequencies of the stations are stored in a permanent memory, e.g. ROM

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)

Abstract

본 발명은 주파수합성튜너에서의 채널탐색방법에 관한 것으로, 튜닝데이타를 '0'부터 '1'씩 증가시키면서 국가마다 방송채널간의 주파수간격이 일정하지 않은 VHF-L 방송대역을 탐색하는 제1과정과; 상기 제1과정에서 VHF-H 방송대역을 탐색한후, 국가마다 방송채널간의 주파수간격이 일정한 VHF-H 방송대역과 UHF 방송대역을, 2개의 방송채널이 설정될 때까지만, 상기 제1과정과 동일하게 탐색하는 제2과정과; 상기 제2과정에서 설정된 2개의 방송채널의 튜닝주파수를 이용하여 상기일정한 주파수간격을 구하고 이 주파수간격만큼 튜닝데이타를 증가시켜 가면서 나머지 VHF-H 방송대역과 UHF 방송대역을 탐색하는 제3과정으로 이루어져, 방송채널을 신속하게 탐색할 수 있도록 한 것이다.The present invention relates to a channel searching method in a frequency synthesis tuner. The first process of searching for a VHF-L broadcasting band in which the frequency interval between broadcasting channels is not constant for each country while increasing the tuning data by '0' to '1'. and; After the VHF-H broadcasting band is searched in the first process, the VHF-H broadcasting band and the UHF broadcasting band having a constant frequency interval between broadcasting channels for each country are used only until two broadcasting channels are set. A second process of searching for the same; Comprising a third step of finding the predetermined frequency interval using the tuning frequencies of the two broadcasting channels set in the second process, and searching for the remaining VHF-H broadcasting band and UHF broadcasting band while increasing the tuning data by this frequency interval. In other words, it is possible to quickly search for broadcasting channels.

Description

주파수합성튜너에서의 채널탐색방법Channel Search Method in Frequency Synthesis Tuner

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

제3도는 본 발명 주파수합성튜너에서의 채널탐색방법에 대한 흐름도, 제4도는 제3도에서 주파수간격을 구하는 연산에 대한 흐름도.3 is a flowchart of a channel searching method in the frequency synthesis tuner of the present invention, and FIG. 4 is a flowchart of an operation for obtaining a frequency interval in FIG.

Claims (1)

튜닝데이타를 '0'부터 '1'씩 증가시키면서 국가마다 방송채널간의 주파수간격이 일정하지 않은 VHF-L 방송대역을 탐색하는 제1과정과; 상기 제1과정에서 VHF-L 방송대역을 탐색한 후, 국가마다 방송대역간의 주파수간격이 일정한 VHF-H 방송대역과 UHF 방송대역을, 2개의 방송채널이 설정될 때까지만, 상기 제1과정과 동일하게 탐색하는 제2과정과; 상기 제2과정에서 설정된 2개의 방송채널의 튜닝주파수를 이용하여 상기 일정한 주파수간격을 구하고 이 주파수간격만큼 튜닝데이타를 증가시켜 가면서 나머지 VHF-H 방송대역과 UHF 방송대역을 탐색하는 제3과정으로 이루어진 것을 특징으로 하는 주파수합성튜너에서의 채널탐색방법.A first step of searching for a VHF-L broadcasting band having a constant frequency interval between broadcasting channels for each country while increasing tuning data by '0' to '1'; After searching for the VHF-L broadcasting band in the first process, the VHF-H broadcasting band and the UHF broadcasting band having constant frequency intervals between the broadcasting bands for each country are used until the two broadcasting channels are set. A second process of searching for the same; Comprising a third step of finding the predetermined frequency interval using the tuning frequency of the two broadcasting channels set in the second process and searching for the remaining VHF-H broadcasting band and UHF broadcasting band while increasing the tuning data by this frequency interval. Channel search method in a frequency synthesis tuner, characterized in that. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950019278A 1995-07-03 1995-07-03 Channel searching method of frequency synthesizing tuner KR0162363B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950019278A KR0162363B1 (en) 1995-07-03 1995-07-03 Channel searching method of frequency synthesizing tuner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950019278A KR0162363B1 (en) 1995-07-03 1995-07-03 Channel searching method of frequency synthesizing tuner

Publications (2)

Publication Number Publication Date
KR970008860A true KR970008860A (en) 1997-02-24
KR0162363B1 KR0162363B1 (en) 1999-03-20

Family

ID=19419610

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950019278A KR0162363B1 (en) 1995-07-03 1995-07-03 Channel searching method of frequency synthesizing tuner

Country Status (1)

Country Link
KR (1) KR0162363B1 (en)

Also Published As

Publication number Publication date
KR0162363B1 (en) 1999-03-20

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