KR910018979A - How to adjust VRF's automatic RF envelope - Google Patents

How to adjust VRF's automatic RF envelope Download PDF

Info

Publication number
KR910018979A
KR910018979A KR1019900006151A KR900006151A KR910018979A KR 910018979 A KR910018979 A KR 910018979A KR 1019900006151 A KR1019900006151 A KR 1019900006151A KR 900006151 A KR900006151 A KR 900006151A KR 910018979 A KR910018979 A KR 910018979A
Authority
KR
South Korea
Prior art keywords
motor
output
automatic
envelope
rotation
Prior art date
Application number
KR1019900006151A
Other languages
Korean (ko)
Inventor
이수영
Original Assignee
이헌조
주식회사 금성사
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 이헌조, 주식회사 금성사 filed Critical 이헌조
Priority to KR1019900006151A priority Critical patent/KR910018979A/en
Publication of KR910018979A publication Critical patent/KR910018979A/en

Links

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Control Of Position Or Direction (AREA)

Abstract

내용 없음No content

Description

브이씨알의 자동 RF 엔벨러프 조정방법How to adjust VRF's automatic RF envelope

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

제2도는 본 발명 주행계 및 자동 RF 엔벨러프 조정 시스템의 개략도, 제3도의 (가) 내지 (나)는 제2도의 각부파형도, 제4도는 본 발명의 브이씨알의 자동 RF 엔벨러프 조정에 대한 신호흐름도.2 is a schematic diagram of the odometer and automatic RF envelope adjustment system of the present invention, (a) to (b) of FIG. 3 are angular waveform diagrams of FIG. 2, and FIG. 4 is an automatic RF envelope adjustment of V-Cal of the present invention. For signal flow.

Claims (1)

콘스크류(10)의 조정을 제어하는 콘모터(1)와, 상기 콘모터(1)의 회전을 검출하여 연산증폭기(OP1)(OP2)를 통해 구형파 펄스로 발생하는 펄스발생부(2), 헤드(H)의 신호를 증폭하는 비디오 프리앰프(7)와 출력을 검파하는 비디오 엔벨러프 검파기(8)와, 카운터(3)를 통해 상기 펄스발생부(2)의 출력을 계수하고, A/D변환부(5), 연산부(4)를 통해 상기 비디오 엔벨러프 검파기(8)의 출력을 연산하여 제어 신호를 발생하는 마이콤(6)과, 상기 마이콤(6)에 제어신호에 의해 콘머터(1)의 회전상태를 제어하는 스위칭부(9)로 구성하여, 상기 카운터(3)를 초기화하여 콘모터(1)를 정방향 회전시킨후 증가하는 총화치를 비교하고, 콘모터(1)를 역방향으로 회전시킨후 감소하는 총화치를 비교하여 콘스크류(1)의 최대로 되는 RF 엔벨러프점을 자동으로 찾는 것을 특징으로 하는 브이씨알의 자동 RF 엔벨러프 조정방법.A cone motor 1 for controlling adjustment of the screw 10, a pulse generator 2 for detecting rotation of the cone motor 1 and generating square wave pulses through the operational amplifiers OP1 and OP2; The output of the pulse generator 2 is counted through the video preamplifier 7 for amplifying the signal of the head H, the video envelope detector 8 for detecting the output, and the counter 3, and A / The microcomputer 6 generates a control signal by calculating the output of the video envelope detector 8 through the D conversion unit 5 and the calculating unit 4, and the converter (2) by the control signal. The switch 3 is configured to control the rotation state of 1). The counter 3 is initialized to rotate the motor 1 forward. Then, the increased total value is compared and the motor 1 is reversed. V, characterized by automatically finding the maximum RF envelope point of the screw (1) by comparing the reduced total value after the rotation How automatic RF enbel rough adjustment of the unknown. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900006151A 1990-04-30 1990-04-30 How to adjust VRF's automatic RF envelope KR910018979A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900006151A KR910018979A (en) 1990-04-30 1990-04-30 How to adjust VRF's automatic RF envelope

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900006151A KR910018979A (en) 1990-04-30 1990-04-30 How to adjust VRF's automatic RF envelope

Publications (1)

Publication Number Publication Date
KR910018979A true KR910018979A (en) 1991-11-30

Family

ID=67482637

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900006151A KR910018979A (en) 1990-04-30 1990-04-30 How to adjust VRF's automatic RF envelope

Country Status (1)

Country Link
KR (1) KR910018979A (en)

Similar Documents

Publication Publication Date Title
JPS6417504A (en) High dynamics amplifier stage with strain detection function
KR910000299A (en) Spindle Position Speed Control
SU541452A3 (en) Asynchronous Pulse Packet Receiver
KR910018979A (en) How to adjust VRF's automatic RF envelope
GB2022255A (en) Acoustic measuring instruments e.g. flowmeters
KR920009188A (en) Low noise loading motor drive circuit of camcorder
DK531586D0 (en) CIRCUIT DEVICE FOR A AUDIO AND / OR VIDEO PLAYER PLAYER
SU1591976A1 (en) Device for obtacle detection by blind
SU615532A1 (en) Device for r.p.m.control of tape-driving mechanism electric motor
SU1257687A1 (en) Device for transmission and reception of information from rotating object
JPS5687859A (en) Speed alarming device for automobile
KR970029383A (en) Focus and Tracking Offset Automatic Adjustment Circuit in Compact Disc Players
FR2381419A1 (en) PHASE-INCREMENT CONVERTER
JPS6480842A (en) X-ray analyzer
KR940002831A (en) VCR's Automatic PG Control
SU960667A1 (en) Amplitude modulated signal modulation coefficient value converter
SU1126863A1 (en) Eddy-current flaw dedector amplitude selection device
SU783974A1 (en) Amplitude-time converter
SU502504A1 (en) A device for storing a pulse signal
SU1654967A1 (en) Frequency-to-voltage converter
KR910020682A (en) Drum Servo System of Video Cassette Recorder
SU501400A1 (en) Device for dividing two pulse signals
JP2650424B2 (en) Ultrasonic distance sensor
JPS6247983U (en)
JPH02161383A (en) Ultrasonic range finder

Legal Events

Date Code Title Description
WITN Withdrawal due to no request for examination