[go: up one dir, main page]

KR980004898A - 비디오 테이프의 잔량검출방법 - Google Patents

비디오 테이프의 잔량검출방법 Download PDF

Info

Publication number
KR980004898A
KR980004898A KR1019960026069A KR19960026069A KR980004898A KR 980004898 A KR980004898 A KR 980004898A KR 1019960026069 A KR1019960026069 A KR 1019960026069A KR 19960026069 A KR19960026069 A KR 19960026069A KR 980004898 A KR980004898 A KR 980004898A
Authority
KR
South Korea
Prior art keywords
video tape
detecting
remaining amount
reel
rotation
Prior art date
Application number
KR1019960026069A
Other languages
English (en)
Inventor
한재성
이승홍
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 KR1019960026069A priority Critical patent/KR980004898A/ko
Priority to US08/885,895 priority patent/US5872704A/en
Publication of KR980004898A publication Critical patent/KR980004898A/ko

Links

Classifications

    • 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
    • G11B27/17—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 using electrical sensing means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
    • H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
    • H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
    • H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33507—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
    • H02M3/33523—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters with galvanic isolation between input and output of both the power stage and the feedback loop
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/32—Means for protecting converters other than automatic disconnection

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Dc-Dc Converters (AREA)

Abstract

본 발명은 비디오 테이프의 잔량검출방법에 관한 것으로서, 여러종류의 비디오 테이프를 재생하는 경우, 신경회로망 알고리즘을 이용하여 해당 비디오 테이프의 잔량을 검출하도록 하기 위하여, 비디오 테이프의 잔량을 검출하는 방법에 있어서; 현재 주행중인 비디오 테이프로부터 릴의 회전변화량을 검출하는 제1고정; 릴이 1회전하는 동안에 캡스턴모터 주파수발생기로부터 출력되는 펄스수를 순차적으로 검출하는 제2과정, 및 상기 제2과정에서 검출된 펄스수를 신경회로망 알고리즘에 입력시켜 비디오 테이프의 잔량을 검출하는 제3과정을 수행하도록 하였다.

Description

비디오 페이프의 잔량검출방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 의한 비디오 테이프의 잔량검출방법을 수행하기 위한 비디오 테이프 레코더의 개략적 블럭도.
제2도는 제1도에 도시된 마이크로 컴퓨터의 동작흐름도이다.

Claims (2)

  1. 비디오 테이프의 잔량을 검출하는 방법에 있어서; 현재 주행중인 비디오 테이프로부터 릴의 회전변화량을 검출하는 제1과정; 릴이 1회전하는 동안에 캡스턴모터 주파수발생기로부터 출력되는 펄스수를 순차적으로 검출하는 제2과정; 및 상기 제2과정에서 검출된 펄스수를 신경회로망 알고리즘에 입력시켜 현재 주행중인 비디오 테이프의 잔량을 검출하는 제3과정을 수행하도록 한 비디오 테이프의 잔량검출방법.
  2. 제1항에 있어서, 상기 제2과정을 수행한 후, 카운팅값을 한단계씩 증가시킨 후 상기 제1 및 제2과정을 반복 수행하고, 카운팅값이 미리 설정되어 있는 설정치와 동일한 값이 되면, 상기 제3과정을 수행하도록 한 것을 특징으로 하는 비디오 테이프의 잔량검출방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960026069A 1996-06-29 1996-06-29 비디오 테이프의 잔량검출방법 KR980004898A (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1019960026069A KR980004898A (ko) 1996-06-29 1996-06-29 비디오 테이프의 잔량검출방법
US08/885,895 US5872704A (en) 1996-06-29 1997-06-30 Low voltage supply cutoff circuit for an electronic appliance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960026069A KR980004898A (ko) 1996-06-29 1996-06-29 비디오 테이프의 잔량검출방법

Publications (1)

Publication Number Publication Date
KR980004898A true KR980004898A (ko) 1998-03-30

Family

ID=19464896

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960026069A KR980004898A (ko) 1996-06-29 1996-06-29 비디오 테이프의 잔량검출방법

Country Status (2)

Country Link
US (1) US5872704A (ko)
KR (1) KR980004898A (ko)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6195271B1 (en) * 1999-04-21 2001-02-27 International Business Machines Corporation AC adaptor with power consumption reduction in unused state
JP2001025251A (ja) 1999-07-05 2001-01-26 Mitsumi Electric Co Ltd 電源装置
US6150796A (en) * 1999-10-22 2000-11-21 Motorola, Inc. Low current vehicular adapter charger
DE19964049A1 (de) * 1999-12-30 2001-07-05 Thomson Brandt Gmbh Schutzschaltung für ein Netzteil sowie diesbezügliches Netzteil
US6438973B1 (en) 2000-05-01 2002-08-27 Hoshizaki America, Inc. Control board alarms
KR101058935B1 (ko) * 2004-05-03 2011-08-23 페어차일드코리아반도체 주식회사 스위칭 모드 파워 서플라이
US7499832B2 (en) * 2005-09-20 2009-03-03 Hopscotch Technology Control unit that manages the usage of electrical devices
JP4752484B2 (ja) * 2005-12-14 2011-08-17 サンケン電気株式会社 Ｄｃ−ｄｃコンバータ
US9368961B2 (en) * 2013-01-08 2016-06-14 Power Integrations, Inc. Overvoltage protection circuit

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3646359A (en) * 1970-05-07 1972-02-29 Meridian Industries Inc Flasher circuit with outage indication
US3639777A (en) * 1970-06-22 1972-02-01 Meridian Industries Inc Flasher circuit
US3684896A (en) * 1970-08-26 1972-08-15 Meridian Industries Inc Flasher circuit with short protection
JPS5139348B1 (ko) * 1970-12-09 1976-10-27
US3749944A (en) * 1971-08-19 1973-07-31 Westinghouse Electric Corp Undervoltage sensing circuit
US3836790A (en) * 1973-08-22 1974-09-17 Lorain Prod Corp A-c voltage detector
US4040116A (en) * 1975-12-04 1977-08-02 International Telephone And Telegraph Corporation Power supply employing a short circuit detector
JPS5283127A (en) * 1975-12-31 1977-07-11 Fujitsu Ltd Instantaneous power cut detecting circuit
US4117526A (en) * 1976-08-06 1978-09-26 Tri-Venture Undervoltage protection device
US4150413A (en) * 1977-11-04 1979-04-17 Rohr Industries, Inc. Transistor overload inhibit
US4439805A (en) * 1982-05-21 1984-03-27 Gte Automatic Electric Labs Inc. Low voltage protection circuit
US4447841A (en) * 1982-06-30 1984-05-08 Motorola Inc. Overcurrent protection circuit for a multiple output switching power supply and method therefor
JPS59124370U (ja) * 1983-02-08 1984-08-21 シャープ株式会社 パワ−オフ検知回路
US4488057A (en) * 1983-07-15 1984-12-11 Opt Industries, Inc. AC-DC Switching regulator uninterruptible power supply
US4688158A (en) * 1985-11-19 1987-08-18 Motorola, Inc. Flyback power supply
JPH01311863A (ja) * 1988-06-09 1989-12-15 Fanuc Ltd 電圧低下検出回路
US4876495A (en) * 1988-06-27 1989-10-24 Allied-Signal Inc. Apparatus and method for charging and testing batteries
US4916569A (en) * 1988-11-04 1990-04-10 Zenith Electronics Corporation Short circuit protection for switch mode power supply
YU47882B (sh) * 1989-01-25 1996-05-20 Siemens Ag. Sklop kola za slobodno oscilujući prekidački mrežni deo sa bloking oscilatorom
EP0404996B1 (de) * 1989-06-30 1994-06-01 Siemens Aktiengesellschaft Umrichter mit Stromistwertbildung
CA2050199A1 (en) * 1991-08-16 1993-02-17 Moore Products Co. Low power switching power supply circuits and methods
US5392186A (en) * 1992-10-19 1995-02-21 Intel Corporation Providing various electrical protections to a CMOS integrated circuit
US5357395A (en) * 1992-06-25 1994-10-18 Schlumberger Technology Corporation Undervoltage protection circuit, system and method of operating same
JP3384027B2 (ja) * 1993-05-14 2003-03-10 ソニー株式会社 充電方法および充電器
US5631504A (en) * 1993-11-04 1997-05-20 Adahan; Carmeli AC/DC power supply

Also Published As

Publication number Publication date
US5872704A (en) 1999-02-16

Similar Documents

Publication Publication Date Title
KR980004898A (ko) 비디오 테이프의 잔량검출방법
KR960002270A (ko) 디스크 회전 제어 장치 및 방법
KR920017342A (ko) 무센서(sensorless), 무부러쉬(brushless)의 DC모터를 기동하기 위한 장치 및 방법
KR970002530A (ko) 복수의 전력사용계의 동작제어장치 및 동작제어방법
KR970011147A (ko) 드럼 세탁기의 탈수방법
KR890701265A (ko) 와이어방전 가공기의 가공조건 검출방법 및 그 장치
KR910001383A (ko) 회전수 검출방법
KR960705124A (ko) 스타팅 과정 동안 터빈의 작동 상태를 디스플레이 하기 위한 방법 및 장치(process and device for imaging the operational condition of a turbine during the starting process)
KR980004558A (ko) 비디오 테이프 종류 자동판별방법
KR970076681A (ko) 비디오 테이프의 허브크기 판별방법
KR970062127A (ko) 지거의 일정 선속도 제어장치 및 그 방법
KR980004609A (ko) 비데오 카세트 레코더의 캡스턴 모터 구동 상태 판별 방법
KR960006315A (ko) 셀룰라폰에서의 부스터 사용시 출력제어 방법
KR960014501A (ko) 세탁기의 세탁용량초과방지방법
KR980004557A (ko) 비디오 테이프의 시작 및 끝부분 검출방법
KR940004127A (ko) 모터의 구동제어장치와 그 방법
SU956679A1 (ru) Устройство дл контрол обрыва длинномерного материала при его перемотке на бобину
KR960006975A (ko) 공기정화기의 필터 교환시기 표시방법
KR920013428A (ko) 디에이티 테이프의 무녹음 자동검출표시방법
KR940011718A (ko) 세탁기의 세탁모터 보호 방법
KR960017481A (ko) 이축 권취기의 장력 제어방법 및 장치
KR960023417A (ko) 세탁기의 세탁모터 풀리감지방법
KR940007863A (ko) 브이씨알의 테이프 카운터 가변 메모리 장치 및 그 방법
KR960007891A (ko) 인버터세탁기의 파워모듈 파괴 방지방법
KR970017325A (ko) 저속주행시의 테이프 위치 감지방법

Legal Events

Date Code Title Description
A201 Request for examination
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19960629

PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 19960629

Comment text: Request for Examination of Application

PG1501 Laying open of application
E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 19981028

Patent event code: PE09021S01D

E601 Decision to refuse application
PE0601 Decision on rejection of patent

Patent event date: 19990125

Comment text: Decision to Refuse Application

Patent event code: PE06012S01D

Patent event date: 19981028

Comment text: Notification of reason for refusal

Patent event code: PE06011S01I