KR910015096A - Load driving circuit - Google Patents

Load driving circuit Download PDF

Info

Publication number
KR910015096A
KR910015096A KR1019910001593A KR910001593A KR910015096A KR 910015096 A KR910015096 A KR 910015096A KR 1019910001593 A KR1019910001593 A KR 1019910001593A KR 910001593 A KR910001593 A KR 910001593A KR 910015096 A KR910015096 A KR 910015096A
Authority
KR
South Korea
Prior art keywords
load
driving circuit
reel motor
circuit
power
Prior art date
Application number
KR1019910001593A
Other languages
Korean (ko)
Other versions
KR100214033B1 (en
Inventor
마사오 나가시마
Original Assignee
오가 노리오
소니 가부시기가이샤
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 오가 노리오, 소니 가부시기가이샤 filed Critical 오가 노리오
Publication of KR910015096A publication Critical patent/KR910015096A/en
Application granted granted Critical
Publication of KR100214033B1 publication Critical patent/KR100214033B1/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
    • H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
    • H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
    • H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
    • H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
    • H02P7/285—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only
    • H02P7/288—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using variable impedance

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Direct Current Motors (AREA)
  • Amplifiers (AREA)

Abstract

내용 없음No content

Description

부하구동회로Load driving circuit

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

제1도는 본원 발명에 의한 부하구동회로의 제1실시예를 나타낸 블록도, 제2도는 그 상세 구성을 나타낸 접속도, 제3도는 제2도의 동작특성을 나타낸 특성곡선도.1 is a block diagram showing a first embodiment of a load driving circuit according to the present invention, FIG. 2 is a connection diagram showing a detailed configuration thereof, and FIG. 3 is a characteristic curve diagram showing the operating characteristics of FIG.

Claims (4)

부하에 직렬로 접속된 드라이브트랜지스터를 가지고, 전원출력을 상기 드라이브트랜지스터를 통하여 상기 부하에 공급하는 부하 구동회로에 있어서, 상기 부하와 드라이브트랜지스터의 접속점에 발생하는 전압에 대하여 소정의 오프셋전압을 부여한 구동전압을 가지는 상기 전원 출력을 상기 드라이브트랜지스터에 공급하는 전원공급회로를 구비한 것을 특징으로 하는 부하구동회로.In a load driving circuit having a drive transistor connected in series with a load, and supplying a power output to the load through the drive transistor, a drive in which a predetermined offset voltage is applied to a voltage generated at a connection point between the load and the drive transistor. And a power supply circuit for supplying the power output having a voltage to the drive transistor. 제1항에 있어서, 상기 부하는 모터로 이루어지는 것을 특징으로 하는 부하구동회로.The load driving circuit according to claim 1, wherein the load comprises a motor. 제2항에 있어서, 상기 모터는 VRT의 릴모터인 것을 특징으로 하는 부하구동회로.The load driving circuit according to claim 2, wherein the motor is a reel motor of a VRT. 비디오신호기록 및 재생장치에 사용되는 릴모터구동회로에 있어서, 상기 릴모터에 연결된 비교회로와 트랜지스터를 가지며, 따라서 제어신호와 상기 릴모터의 전류를 검출함으로써 발생디는 피스백신호에 따라 상기 릴모터의 토크를 제어하는 제어회로와, 오프셋전압을 발생하는 회로와,상기 트랜지스터의 출력전압과 상기 오프셋전압에 따라서 전원을 발생하는 전원발생회로와, 상기 전원을 상기 트랜지스터에 인가하는 도선회로를 구비한 것을 특징으로 하는 릴모터구동회로.A reel motor driving circuit used in a video signal recording and reproducing apparatus, comprising a comparator and a transistor connected to the reel motor, and thus generating the reel motor according to a piece back signal generated by detecting a control signal and a current of the reel motor. And a control circuit for controlling torque of the circuit, a circuit for generating an offset voltage, a power generator for generating power in accordance with the output voltage and the offset voltage of the transistor, and a conductor circuit for applying the power to the transistor. Reel motor driving circuit, characterized in that. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910001593A 1990-01-31 1991-01-31 Load driving circuit KR100214033B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP90-20918 1990-01-31
JP2020918A JPH03226295A (en) 1990-01-31 1990-01-31 Load drive circuit

Publications (2)

Publication Number Publication Date
KR910015096A true KR910015096A (en) 1991-08-31
KR100214033B1 KR100214033B1 (en) 1999-08-02

Family

ID=12040605

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910001593A KR100214033B1 (en) 1990-01-31 1991-01-31 Load driving circuit

Country Status (2)

Country Link
JP (1) JPH03226295A (en)
KR (1) KR100214033B1 (en)

Also Published As

Publication number Publication date
KR100214033B1 (en) 1999-08-02
JPH03226295A (en) 1991-10-07

Similar Documents

Publication Publication Date Title
KR910006817A (en) Regulator for controlling output power of alternator
KR950021481A (en) Internal step-down power circuit
KR890004280A (en) Magnetic Head Drive Circuit
KR900015423A (en) Switch mode switching circuit
KR860002182A (en) Power supply for motor drive
KR970004349A (en) Driving circuit for semiconductor power switch
KR920005439A (en) Constant voltage generator
KR970072631A (en) Motor driving circuit
KR910015096A (en) Load driving circuit
KR890007486A (en) Motor Drive Power Supply
KR860009595A (en) Power controller
KR830008858A (en) Electric vehicle control device
KR850006111A (en) Magnetic disk device
KR910008924A (en) Output voltage supply circuit and variable voltage generation method
KR910002691A (en) Elevator control
KR890003109A (en) DC motor control circuit using PWM method
SU842947A1 (en) Device for control of tape-driving mechanism synchronous electric motor
KR900002284A (en) Mode conversion circuit at power off of digital audio tape recorder
KR880003910Y1 (en) Dew condemsation preventing device for video head drum
JP3375457B2 (en) Switching power supply
SU1051676A1 (en) Device for starting d.c. motor
KR960039587A (en) Overdrive control device of DC series motor
SU1377902A2 (en) Engine controller
KR950000618Y1 (en) Still picture control circuit for vcr
KR940012371A (en) Finestil device and finestil control method of video cassette recorder

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20030418

Year of fee payment: 5

LAPS Lapse due to unpaid annual fee