KR900010767A - Random search method - Google Patents

Random search method Download PDF

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Publication number
KR900010767A
KR900010767A KR1019880018097A KR880018097A KR900010767A KR 900010767 A KR900010767 A KR 900010767A KR 1019880018097 A KR1019880018097 A KR 1019880018097A KR 880018097 A KR880018097 A KR 880018097A KR 900010767 A KR900010767 A KR 900010767A
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KR
South Korea
Prior art keywords
search
flag
mode
rotation
key
Prior art date
Application number
KR1019880018097A
Other languages
Korean (ko)
Other versions
KR920002945B1 (en
Inventor
구민희
Original Assignee
안시환
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.)
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Application filed by 안시환, 삼성전자 주식회사 filed Critical 안시환
Priority to KR1019880018097A priority Critical patent/KR920002945B1/en
Priority to GB8917019A priority patent/GB2227353B/en
Publication of KR900010767A publication Critical patent/KR900010767A/en
Application granted granted Critical
Publication of KR920002945B1 publication Critical patent/KR920002945B1/en

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Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/102Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/107Programmed access in sequence to addressed parts of tracks of operating record carriers of operating tapes
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02Control of operating function, e.g. switching from recording to reproducing
    • G11B15/023Control of operating function, e.g. switching from recording to reproducing remotely controlled
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02Control of operating function, e.g. switching from recording to reproducing
    • G11B15/026Control of operating function, e.g. switching from recording to reproducing by using processor, e.g. microcomputer
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/11Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier
    • G11B27/13Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier the information being derived from movement of the record carrier, e.g. using tachometer

Abstract

내용 없음No content

Description

랜덤 탐색방법Random search method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명을 수행하기 위한 시스템 블럭도, 제2도는 본 발명에 따른 랜덤 탐색 카운트값 설정흐름도, 제3도는 본 발명에 따른 스톱모드 수행흐름도, 제4도는 본 발명에 따른 플레이모드 수행흐름도, 제5도는 본 발명에 따른 패스트 포워드/리와인드모드 수행흐름도.1 is a system block diagram for performing the present invention, FIG. 2 is a random search count value setting flow diagram according to the present invention, FIG. 3 is a stop mode execution flow diagram according to the present invention, and FIG. 4 is a play mode execution flow diagram according to the present invention. 5 is a fast forward / rewind mode performance flowchart according to the present invention.

Claims (4)

랜덤 서치방법에 있어서, 소정 키입력에 따른 동작을 제어하기 위한 다수의 프레그를 내부 메모리영역에 가지며 소정키 입력에 따른 상기 프레그들의 상태에 따라 시스템을 제어하는 마이컴(1)과, 상기 마이컴(1)의 제어에 의해 테이프를 주행시키기 위한 기구를 제어하고 릴카운터 값 및 주행모터 회전에 따른 릴 펄스를 상기 마이컴(1)에 제공하는 기구제어부(5)와, 서치키 및 그외의 가지어 상기 키누름에 따른 동작을 제어하기 위한 신호를 발생하여 상기 마이컴(1)에 제공하는 키신호 발생부를 구비하여 소정상태의 시스템모드에서 상기 서치키 및 그외의 키를 이용하여 랜덤 서치모드 및 소망하는 탐색위치의 값을 탐색카운터에 설정하고 기구제어부의 모터 회전방향을 설정하는 제1단계와, 소정상태의 시스템모드에서 랜덤모드가 설정되었으시 상기 제1단계에서 설정된 회전방향으로 모터를 회전시키는 제2단계와, 제2단계와 실행 완료후 랜덤 서치모드시 상기 기구제어부의 현재 릴카운터 값을 리이드하며 상기 리이드 릴카운터의 값과 상기 제1단계에서 설정되는 탐색카운터의값이 같을때 플레이모드를 자동수행하는 제3단계로 이루어짐을 특징으로 하는 방법.In the random search method, a microcomputer (1) and a microcomputer (1) for controlling a system according to the state of the preg according to a predetermined key input having a plurality of preg in the internal memory area for controlling the operation according to a predetermined key input A mechanism control unit 5 for controlling the mechanism for driving the tape by the control of the control panel and providing a reel counter value and a reel pulse according to the rotation of the traveling motor to the microcomputer 1, a search key, and other keys. It is provided with a key signal generating unit for generating a signal for controlling the operation according to the press and providing it to the microcomputer (1), the random search mode and the desired search position using the search key and other keys in a system mode of a predetermined state Is set in the search counter and the motor rotation direction is set in the search counter. A second step of rotating the motor in the rotational direction set in the first step, and reading the current reel counter value of the instrument control unit in the random search mode after completion of the second step and execution; and the value of the lead reel counter and the first step The third step of performing a play mode automatically when the value of the search counter set in the same. 제1항에 있어서, 제1단계가 소정의 시스템모드에서 서치키가 입력시에 서치모드를 나타내는 제1플레그 FSRCH를 세트하고 다음 루틴을 수행하는 제1단계와, 소정 시스템모드에서 숫자키가 입력시에 상기 제1플레그가 세트되었는가를 검색하는 제2단계와, 상기 제2단계에서의 판단결과 제1플레그 세트시 숫자키 입력상태를 나타내는 제2플레그 FTEN를 세트하고 입력숫자를 탐색카운터 SRDATA에 저장하여 다음루틴을 수행하고 제1플레그 리세트시 직접 다음루틴을 수행하는 제3단계와, 회전을 나타내는 회전방향키 입력시 상기 제2단계의 제2플레그 FTEN이 세트되었는가를 검색하는 제4단계와, 상기 제4단계의 검색결과 제2플레그가 세트되었을시에 회전방향시 입력에 따른 정회전, 역회전 설정인 제3플레그 FGOGO 또는 제4플레그 FBACK를 설정하고 다음루틴을 수행하며 제2플레그 FTEN 리세트시 직접 다음루틴을 수행하는 제5단계와, 서처키, 숫자키, 회전방향키 이외의 키신호 입력시 상기 제1, 제2, 제3, 제4, 제5단계에서의 세트플레그를 모드 리세트하고 탐색 카운터의 데이터를 클리어 하는 제6단계로 이루어짐을 특징으로 하는 방법.The method of claim 1, wherein the first step comprises: setting a first flag FSRCH indicating a search mode when the search key is input in a predetermined system mode and performing a next routine; A second step of searching for whether the first flag is set at the time of setting a second flag; and a second flag FTEN indicating a number key input state when the first flag is set as a result of the determination in the second step, and setting the input number to the search counter SRDATA. A third step of storing and performing the next routine and performing the next routine directly when the first flag is reset; and a fourth step of searching whether the second flag FTEN of the second step is set when the rotation direction key indicating rotation is set; When the second flag is set as a result of the search in the fourth step, the third flag FGOGO or the fourth flag FBACK, which is the forward rotation and the reverse rotation setting according to the input in the rotation direction, is set and the next routine is performed. In the fifth step of performing the next routine directly when the second flag FTEN reset, and in the first, second, third, fourth, fifth step when a key signal other than the search key, numeric key, rotation direction key is input. And a sixth step of mode reset of the setflag of < RTI ID = 0.0 > and < / RTI > 제1항에 있어서, 제2단계가 소정상태의 시스템모드가 스톱상태의 스톱모드인 경우 상기 제1단계에서 설정한 회전방향으로 모터를 회전함에 있어 패스트 포워드/리와이드모드의 속도로 회전을 제어하는 스톱모드 실행 단계와, 플레이상태의 플레이모드인 경우 상기 제1단계에서 설정한 회전모터를 회전함에 있어 포워드 픽쳐 서치모드/리와인드 픽쳐 서치모드의 속도로 회전을 제어하는 플레이모드 실행단계로 이루어짐을 특징으로 하는 방법.The rotation control method according to claim 1, wherein when the system mode in the predetermined state is the stop mode in the stop state, the motor is rotated at the speed of the fast forward / reWide mode in rotating the motor in the rotation direction set in the first step. And a play mode execution step of controlling rotation at the speed of the forward picture search mode / rewind picture search mode when the rotation motor set in the first step is rotated in the play mode of the play state. How to feature. 제1항에 있어서, 제3단계가 랜덤 서치모드인 경우 현재의 릴카운터 값을 리이드하여 내부 메모리에 세이브하고 현재 모터회전에 따른 릴펄스플 리이드하는 제1단계와, 상기 제1단계의 릴펄스가 1회전완료를 나타내는 펄스 논리상태 인가를 검색하여 아닐시에는 메인루틴을 수행하고 1회전 완료펄스시 정회전 설정 플레그인 제3플레그 FGOGO가 세트인가를 검색하는 제2단계와, 상기 제2단계의 제3플레그의 검색결과 정회전시에 상기 제1단계의 현재 릴카운터의 값을 인크리스하고 역회전시 현재 릴카운터의 값을 디크리스하여 현재의 릴카운터의 값과 상기 제1단계의 탐색카운터의 값과 비교하여 일치하는가를 검색하는 제3단계와, 상기 제3단계의 비교 검색이 일치시에는 서치를 중지하여 플레이모드를 수행하는 제4단계로 이루어짐을 특징으로 하는 방법.The method of claim 1, wherein when the third step is a random search mode, a first step of reading the current reel counter value and saving the result in an internal memory, and reeling the pulse according to the current motor rotation, and the reel pulse of the first step. The second step of searching whether the pulse logic state indicating the 1st round is completed or not is performed, and if the third flag FGOGO, which is the forward setting flag, is set when the 1st round is completed, the second step is performed. Search result of 3rd flag of Incres the value of the current reel counter in the first step when the forward rotation, and decrements the value of the current reel counter in the reverse rotation to the current reel counter value and the search counter of the first step And a fourth step of searching for a match by comparing with a value of a; and a fourth step of performing a play mode by stopping the search when the comparison search of the third step is matched. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880018097A 1988-12-31 1988-12-31 Random search method KR920002945B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1019880018097A KR920002945B1 (en) 1988-12-31 1988-12-31 Random search method
GB8917019A GB2227353B (en) 1988-12-31 1989-07-25 Method of randomly searching for a desired picture portion on a video cassette tape

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019880018097A KR920002945B1 (en) 1988-12-31 1988-12-31 Random search method

Publications (2)

Publication Number Publication Date
KR900010767A true KR900010767A (en) 1990-07-09
KR920002945B1 KR920002945B1 (en) 1992-04-10

Family

ID=19281111

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880018097A KR920002945B1 (en) 1988-12-31 1988-12-31 Random search method

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KR (1) KR920002945B1 (en)
GB (1) GB2227353B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR920004249B1 (en) * 1989-06-10 1992-05-30 삼성전자 주식회사 High speed searching method for digital audio tape recorder
KR0129206B1 (en) * 1989-11-30 1998-04-18 구자홍 Method and device for selecting a specific screen of your VCR

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3921220A (en) * 1974-07-15 1975-11-18 Odetics Inc Apparatus for automatic high speed positioning of magnetic recording tape by sensing reel revolutions from tape beginning
JPS53123907A (en) * 1977-04-05 1978-10-28 Sony Corp Remote controller for magnetic recorders
IT1105468B (en) * 1977-08-29 1985-11-04 Basf Ag TAPE TRANSPORT DEVICE BASED ON THE CONTACT WINDING PRINCIPLE PARTICULARLY FOR THE DRAGING OF MAGNETIC TAPES
JPS54154943A (en) * 1978-10-20 1979-12-06 Staar Sa Method of and device for feeding tape
GB2122799A (en) * 1982-06-04 1984-01-18 V I Leisure Limited Improvements in or relating to video tape players and pre-recorded cassettes therefor
DE3504354A1 (en) * 1984-02-10 1985-08-22 Pioneer Electronic Corp., Tokio/Tokyo TAPE POSITION DATA RECORDING AND PLAYBACK METHOD
GB8405429D0 (en) * 1984-03-01 1984-04-04 Index Data Programmes Storage and retrieval of information on video tape
DE3628743C2 (en) * 1986-08-23 1994-05-11 Grundig Emv Device for recording and quickly retrieving video signal sections on a magnetic tape

Also Published As

Publication number Publication date
GB8917019D0 (en) 1989-09-13
GB2227353B (en) 1993-08-11
KR920002945B1 (en) 1992-04-10
GB2227353A (en) 1990-07-25

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