KR950022826A

KR950022826A - Priority channel search apparatus and method in multi-system

Info

Publication number: KR950022826A
Application number: KR1019930029108A
Authority: KR
Inventors: 허정희
Original assignee: 이헌조; 엘지전자 주식회사
Priority date: 1993-12-22
Filing date: 1993-12-22
Publication date: 1995-07-28
Also published as: KR960005926B1

Abstract

본 발명은 멀티시스템의 우선순위 채널검색장치 및 방법에 관한 것으로, ODS 언어선택신호와 방송신호 검색신호가 출력되는 키스캔수단(4), 상기 키스캔수단(4)으로 부터 출력되는 신호에 따라 주파수를 검색하여 튜닝 데이타를 전송하는 마이콤(1), 상기 마이콤(1)의 제어에 따라 데이타를 저장하는 메모리수단(5), 상기 마이콤(1)의 제어에 따라 해당하는 튜너를 선택하는 튜너선택수단(6), 상기 튜너선택수단(6)에 따라 선택되어 동조하는 튜너수단(2), 상기 마이콤(1)의 제어에 따라 상기 튜너 수단(2)으로 부터 출력되는 신호를 처리하기 위해 Y/C를 선택하고 Y/C 선택수단(7) 및 상기 Y/C 선택수단(7)에 따라 선택되어 상기 튜너수단(2)으로 부터 출력되는 신호를 영상 및 음성신호로 분리하여 처리하는 Y/C수단(3)을 포함하여 구성되고, 방송신호 검색신호가 입력되면 채널을 증가시킨후 채널을 검색하는 단계(50, 51, 52), 상기 검색결과 상기 채널이 마지막 채널이면 우선 순위에 따르는 처리를 수행하는 단계(57, 58), 상기 채널이 마지막 채널이 아니면 방송신호 존재유무를 검색하여 방송 신호가 없으면 종료하는 단계(53), 방송신호가 있으면 메모리 포인터를 처리하는 단계(54, 55, 56), 채널번호 변경신호가 입력되면 해당 메모리 포인터의 내용을 읽고 검색하는 단계(59, 60, 61, 62), 상기 메모리 포인터 내용의 검색결과에 따라 튜너 및 Y/C를 선택하기 위한 신호와 튜닝데이타를 출력하는 단계(63, 64, 66, 67)에 의해 수행된다.The present invention relates to an apparatus and method for priority channel search of a multi-system. The present invention relates to a kisscan means (4) for outputting an ODS language selection signal and a broadcast signal search signal and a signal output from the kisscan means (4). Tuner selection for selecting a tuner in accordance with the control of the microcomputer (1) for retrieving the frequency and transmitting the tuning data, the memory means (5) for storing data under the control of the microcomputer (1), and the control of the microcomputer (1) Means 6, tuner means 2 selected and tuned according to the tuner selection means 6, and Y / N for processing signals output from the tuner means 2 under the control of the microcomputer 1; Y / C which is selected according to the Y / C selecting means 7 and the Y / C selecting means 7 and selects C and processes the signals output from the tuner means 2 into video and audio signals. Means (3), and the broadcast signal search signal is inputted. If the channel is the last channel (50, 51, 52), and if the channel is the last channel, performing the processing according to the priority (57, 58). Searching for the presence or absence of a broadcast signal and ending the broadcast signal if there is no broadcast signal (53), processing the memory pointer if there is a broadcast signal (54, 55, 56), and reading the contents of the corresponding memory pointer when a channel number change signal is inputted Searching (59, 60, 61, 62), and outputting signals (63, 64, 66, 67) for selecting a tuner and Y / C and tuning data according to the search result of the memory pointer contents. Is performed.

따라서, 본 발명은 지역에 따라 방송 시스템에 맞는 하드웨어를 선택하여 튜닝할 수 있는 효과가 있다.Therefore, the present invention has an effect of selecting and tuning hardware suitable for a broadcasting system according to a region.

Description

Priority channel search apparatus and method in multi-system

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

제1도는 종래의 채널검색장치의 구성도.1 is a block diagram of a conventional channel search apparatus.

제2도는 본 발명에 의한 우선순위 채널검색장치의 구성도.2 is a block diagram of a priority channel search apparatus according to the present invention.

제3(a)도,제3(b)도,제3(c)도는 본 발명에 의한 메모리맵의 구조도.3 (a), 3 (b) and 3 (c) are structural diagrams of the memory map according to the present invention.

제4(a)도,제4(b)도는 본 발명에 의한 우선순위 채널검색방법의 흐름도.4 (a) and 4 (b) are flowcharts of a priority channel search method according to the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 마이콤 2 : 튜너부1: Micom 2: Tuner part

3 : Y/C부 4 : 키 스캔부3: Y / C section 4: Key scanning section

5 : 메모리 6 : 튜너 선택부5: memory 6: tuner selector

7 : Y/C 선택부 11,12,13 : 제어신호7: Y / C selector 11, 12, 13: control signal

21,22,23,24 : 튜너 41,42 : 키 스위치21,22,23,24 Tuner 41,42 Key switch

Claims

Kisscan means 4 for outputting an OSD language selection signal and a broadcast signal search signal, a microcomputer 1 for retrieving a frequency and transmitting tuning data according to a signal output from the kisscan means 4, and the micom 1 Memory means (5) for storing data under control of the tuner, tuner selection (6) for selecting a corresponding tuner under the control of the microcomputer (1), and tuner selected and tuned according to the tuner selection means (6). Means 2, selecting Y / C operating under the control of the microcomputer 1, and selected according to the Y / C selecting means 7 and the Y / C selecting means 7, and said tuner means 2 And Y / C means (3) for separating and processing the signals output from the video and audio signals.

The multi-system priority channel search according to claim 1, characterized in that the memory means (5) stores the broadcasting of the region where the selected OSD language is used as the highest priority and includes the region signal corresponding to the region. Device.

3. An apparatus as claimed in claim 2, characterized in that the tuner selecting means (6) selects the tuner means (2) according to the local signal.

2. An apparatus as claimed in claim 1, characterized in that the tuner means (2) comprises a plurality of tuners (21, 22, 23, 24).

3. The priority channel search apparatus according to claim 2, wherein said Y / C selecting means (7) selects said Y / C means (3) according to said local signal.

When the broadcast signal search signal is input, increasing the channel (50, 51, 51), and if the channel is the last channel as a result of the search, performing the processing according to the priority (57, 58). If the channel is not the last channel, search for the presence of a broadcast signal and terminate if there is no broadcast signal (53); process a memory pointer if there is a broadcast signal (54, 55, 56); Reading and retrieving the contents of the memory pointer (59, 60, 61, 62), and outputting signals and tuning data for selecting a tuner and Y / C according to the search result of the memory pointer contents (63, 64, 66, 67), the priority channel search method of a multi-system characterized in that.

7. The method of claim 6, wherein the processing of the last channel in the channel search result comprises: searching for whether it is the last priority (57), ending if it is the last priority, and selecting a next priority tuner if not the last priority. A priority channel search method of a multi-system, characterized in that performed by the step.

7. The method of claim 6, wherein the processing of the broadcast signal when present includes storing the tuning data and the local signal value in the memory pointer (54), increasing the memory pointer (55), and whether there is a remaining memory pointer. And searching for the channel (51) if there is a search, and ending (56) if not.

The method of claim 6, wherein the outputting of the signal and the tuning data for selecting the tuner and the Y / C according to the search result of the memory pointer contents comprises: selecting the tuner and the Y / C when the memory pointer contents are '00'. Setting the signal to '00' (63); if the memory pointer content is '01', setting the tuner and the signal for selecting Y / C to '01' (64), and the memory pointer content is '10' In step 65, the signal for selecting the tuner and Y / C is set to '10', and if the memory pointer is '11', the signal for selecting the tuner and Y / C is set to '11' ( 66) and outputting tuning data after the signal processing for selecting the tuner and the Y / C (67).

※ Note: The disclosure is based on the initial application.