KR960019172A - Initial processing for tape insertion in video tape recorders without start and end sensors - Google Patents

Initial processing for tape insertion in video tape recorders without start and end sensors Download PDF

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Publication number
KR960019172A
KR960019172A KR1019940030585A KR19940030585A KR960019172A KR 960019172 A KR960019172 A KR 960019172A KR 1019940030585 A KR1019940030585 A KR 1019940030585A KR 19940030585 A KR19940030585 A KR 19940030585A KR 960019172 A KR960019172 A KR 960019172A
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KR
South Korea
Prior art keywords
mode
reel pulse
input
tape
pulse
Prior art date
Application number
KR1019940030585A
Other languages
Korean (ko)
Other versions
KR0132974B1 (en
Inventor
임상수
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.)
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Application filed by 김광호, 삼성전자 주식회사 filed Critical 김광호
Priority to KR1019940030585A priority Critical patent/KR0132974B1/en
Publication of KR960019172A publication Critical patent/KR960019172A/en
Application granted granted Critical
Publication of KR0132974B1 publication Critical patent/KR0132974B1/en

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, 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
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B15/05—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container
    • G11B15/093—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container by sensing driving condition of record carrier, e.g. travel, tape tension
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/11—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier
    • G11B27/13—Indexing; 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

Landscapes

  • Management Or Editing Of Information On Record Carriers (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)

Abstract

본 발명은 스타트 및 앤드 센서를 없앤 비디오 테이프 레코더에서의 테이프 삽입시 초기 처리방법에 관한 것으로서, 스타트 및 앤드 센서를 없애고 릴 펄스당 CFG(Capstan Frequency Generator)펄스의 갯수를 카운트하여 테이프의 잔량을 계산하는 비디오 테이프 레코더에 있어서, C-FF모드(화면상에는 표시되지 않는 FPS모드) 또는 C-REW모드(화면상에는 표시되지 않는 RPS모드)를 수행하여 2초 내에 릴펄스가 입력되는지 판단하는 릴펄스입력 판단단계와, 상기 릴펄스입력 판단단계에서 릴펄스가 입력되면 릴펄스당 CFG펄스의 갯수를 카운트하여 C-FF모드 또는 C-REW모드를 수행하는 단계와, 상기 펄스입력 판단단계에서 릴펄스가 입력되지 않으면 사용자에게 경고메시지를 알려주는 단계와, 상기 C-FF모드 또는 C-REW모드를 수행하는 단계에서 센서를 없애고 잔량계산 기능에 필요한 데이타를 얻는 단계로 구성되어 테이프가 스타트 또는 앤드부분의 리더가 노출된 상태로 삽입되어도 이를 알 수 있고 그에 따른 제어도 할 수 있다.The present invention relates to an initial processing method for inserting a tape in a video tape recorder without a start and end sensor, wherein the remaining amount of tape is calculated by removing the start and end sensors and counting the number of capstan frequency generator (CFG) pulses per reel pulse. In a video tape recorder, a reel pulse input for determining whether a reel pulse is input within 2 seconds by performing a C-FF mode (an FPS mode not displayed on the screen) or a C-REW mode (an RPS mode not displayed on the screen). And determining the number of CFG pulses per reel pulse to perform C-FF mode or C-REW mode when the reel pulse is input in the reel pulse input determination step. If it is not input, the step of notifying the user with a warning message, and performing the C-FF mode or the C-REW mode, the sensor is removed and the remaining amount calculator To consist of obtaining the data required, and the tape is unknown it may be inserted into the reader, start or end of the exposed portion can be controlled according thereto.

Description

스타트 및 앤드 센서를 없앤 비디오 테이프 레코더에서의 테이프 삽입시 초기 처리방법Initial processing for tape insertion in video tape recorders without start and end sensors

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

제2도는 본 발명에 따른 스타트 및 앤드 센서를 없앤 비디오 테이프 레코더에서의 테이프 삽입시 초기 처리방법의 일실시예를 나타내는 순서도.2 is a flow chart showing one embodiment of an initial processing method when a tape is inserted in a video tape recorder without the start and end sensors according to the present invention.

Claims (4)

스타트 및 앤드 센서를 없애고 릴 펄스당 CFG(Capstan Frequency Generator)펄스의 갯수를 카운트하여 테이프의 잔량을 계산하는 비디오 테이프 레코더에 있어서, C-FF모드(화면상에는 표시되지 않는 FPS(Fast Forward Picture Search)모드) 또는 C-REW모드(화면상에는 표시되지 않는 RPS(Rewind Picture Search)모드)를 수행하여 2초 내에 릴펄스가 입력되는지 판단하는 릴펄스입력 판단단계와, 상기 릴펄스입력 판단단계에서 릴펄스가 입력되면 릴펄스당 CFG펄스의 갯수를 카운트하여 C-FF모드 또는 C-REW모드를 수행하는 단계와, 상기 릴펄스입력 판단단계에서 릴펄스가 입력되지 않으면 사용자에게 경고메시지를 알려주는 단계와, 상기 C-FF모드 또는 C-REW모드를 수행하는 단계에서 센서를 없애고 잔량계산 기능에 필요한 데이타를 얻는 단계로 이루어진 것을 특징으로 하는 스타트 및 앤드 센서를 없앤 비디오 테이프 레코더에서의 테이프 삽입시 초기 처리방법.A video tape recorder that eliminates start and end sensors and counts the number of capstan frequency generator (CFG) pulses per reel pulse to calculate the remaining tape. Mode) or C-REW mode (RPS (Rewind Picture Search) mode not displayed on the screen) to perform a reel pulse input determination step of determining whether a reel pulse is input within 2 seconds, and the reel pulse in the reel pulse input determination step. If is input, the number of CFG pulses per reel pulse is counted to perform the C-FF mode or C-REW mode, and if the reel pulse is not input in the reel pulse input determination step, and notifying the user with a warning message; Starting and removing the sensor in the step of performing the C-FF mode or C-REW mode, characterized in that for obtaining the data necessary for the remaining amount calculation function and Initial treatment upon the tape inserted in the video tape recorder eliminating the de sensor. 제1항에 있어서, 상기 릴펄스입력 판단단계는, C-FF모드를 수행하는 단계와, 상기 C-FF모드를 수행하면서 2초내에 릴펄스가 들어오는지 판단하는 단계와, 상기 판단단게에서 릴펄스가 들어오지 않으면 C-REW모드를 수행하는 단계와, 상기 C-REW모드를 수행하면서 2초 내에 릴펄스가 들어오는지 판단하는 단계를 수행하는 것을 특징으로 하는 스타트 및 앤드 센서를 없앤 비디오 테이프 레코더에서의 테이프 삽입시 초기 처리방법.The method of claim 1, wherein the reel pulse input determination step comprises: performing a C-FF mode, determining whether a reel pulse is input within 2 seconds while performing the C-FF mode, and reeling at the determination step. In the video tape recorder without start and end sensors, the method performs a C-REW mode if the pulse does not come in, and determines whether a reel pulse is input within 2 seconds while performing the C-REW mode. Treatment method when inserting tape. 제1항에 있어서, 상기 릴펄스당 CFG펄스의 갯수를 카운트하는 단계는, 서플라이 릴쪽으로 들어오는 릴펄스당 CFG펄스의 갯수가 많으면 서플라이 릴쪽에 테이프가 많이 감겨 있으므로 C-REW모드를 수행하고, 테이크엎 릴쪽으로 들어오는 릴펄스당 CFG펄스의 갯수가 많으면 테이크엎 릴쪽에 테이프가 많이 감겨 있으므로 C-FF모드를 수행하도록 하는 것을 특징으로 하는 스타트 및 앤드 센서를 없앤 비디오 테이프 레코더에서의 테이프 삽입시 초기 처리방법.The method of claim 1, wherein the counting of the number of CFG pulses per reel pulse is performed when the number of CFG pulses per reel pulse entering the supply reel is large, so that the tape is wound around the supply reel to perform the C-REW mode. If the number of CFG pulses per reel pulse coming into the side of the tip is large, the tape is wound on the side of the take-up side so that the C-FF mode is performed. Way. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940030585A 1994-11-21 1994-11-21 Tape control apparatus for video cassette tape recorder KR0132974B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940030585A KR0132974B1 (en) 1994-11-21 1994-11-21 Tape control apparatus for video cassette tape recorder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940030585A KR0132974B1 (en) 1994-11-21 1994-11-21 Tape control apparatus for video cassette tape recorder

Publications (2)

Publication Number Publication Date
KR960019172A true KR960019172A (en) 1996-06-17
KR0132974B1 KR0132974B1 (en) 1998-04-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940030585A KR0132974B1 (en) 1994-11-21 1994-11-21 Tape control apparatus for video cassette tape recorder

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KR (1) KR0132974B1 (en)

Also Published As

Publication number Publication date
KR0132974B1 (en) 1998-04-18

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