KR970022329A - Coil resistance measuring device of optical pickup actuator - Google Patents

Coil resistance measuring device of optical pickup actuator Download PDF

Info

Publication number
KR970022329A
KR970022329A KR1019950037979A KR19950037979A KR970022329A KR 970022329 A KR970022329 A KR 970022329A KR 1019950037979 A KR1019950037979 A KR 1019950037979A KR 19950037979 A KR19950037979 A KR 19950037979A KR 970022329 A KR970022329 A KR 970022329A
Authority
KR
South Korea
Prior art keywords
coil
focusing
tracking
resistance
resistance measuring
Prior art date
Application number
KR1019950037979A
Other languages
Korean (ko)
Other versions
KR0158823B1 (en
Inventor
이관철
Original Assignee
배순훈
대우전자 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 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019950037979A priority Critical patent/KR0158823B1/en
Publication of KR970022329A publication Critical patent/KR970022329A/en
Application granted granted Critical
Publication of KR0158823B1 publication Critical patent/KR0158823B1/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
    • H01F7/1844—Monitoring or fail-safe circuits
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)

Abstract

본 발명은 광픽업 액츄에이터의 코일저항 측정장치에 관한 것으로서, 포커싱 조정코일(43)과 트랙킹 조정코일(44)의 사각홈 내부에 설치되고, 측면부에 포커싱 코일 납땜부(45) 및 트랙킹 코일 납땜부(42)가 형성된 코일PCB(41)를 포함한 대물렌즈 홀더(40)에 있어서, 상기 대물렌즈홀더(40)가 상부에 안치되고, 포커싱 코일 납땜부(45)와 트랙킹 코일 납땜부를 통해서 트랙킹 조정코일(44) 및 포커싱 조정코일(43)의 저항을 측정하는 저항 측정부재(50)와, 상기 저항측정부재(50)에서 측정된 저항값을 서로 비교 판단하고, 비교 판단된 저항값을 외부에서 알아 볼 수 있도록 표시해주는 저항값표시부(80)로 구성된 것을 특징으로 하는 광픽업 액츄에이터의 코일저항 측정장치 인바, 트랙킹 조정코일 및 포커싱 조정코일의 저항값을 신속하고 정확하게 측정 하도록 해주는 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for measuring coil resistance of an optical pickup actuator, which is provided in a rectangular groove of a focusing adjustment coil 43 and a tracking adjustment coil 44, and has a focusing coil soldering part 45 and a tracking coil soldering part at side surfaces thereof. In the objective lens holder 40 including the coil PCB 41 in which the 42 is formed, the objective lens holder 40 is placed on the upper side, and the tracking adjustment coil is provided through the focusing coil solder 45 and the tracking coil solder. The resistance measuring member 50 for measuring the resistance of the 44 and the focusing adjustment coil 43 and the resistance value measured by the resistance measuring member 50 are compared with each other, and the resistance value determined by the comparison is determined from the outside. Coil resistance measuring device of the optical pickup actuator, characterized in that consisting of a resistance value display unit for displaying so that the resistance value of the invar, tracking adjustment coil and focusing adjustment coil to be quickly and accurately measured Will.

Description

광픽업 액츄에이터의 코일저항 측정장치Coil resistance measuring device of optical pickup actuator

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

제3도는 본 발명에 따른 코일 저항 측정장치 분해사시도,3 is an exploded perspective view of a coil resistance measuring apparatus according to the present invention;

제4도는 본 발명에 따른 코일 저항 측정장치의 평단면도,4 is a plan sectional view of a coil resistance measuring apparatus according to the present invention;

제5도는 본 발명에 따른 코일 저항 측정장치의 측단면도.5 is a side cross-sectional view of the coil resistance measuring apparatus according to the present invention.

Claims (3)

포커싱 조정코일(43)과 트랙킹 조정코일(44)의 사각홀 내부에 설치되고, 측면부에 포커싱 코일 납땜부(45) 및 트랙킹 코일 납땜부(42)가 형성된 코일 PCB(41)를 포함한 대물렌즈 홀더(40)에 있어서, 상기 대물렌즈홀더(40)가 상부에 안치되고, 포커싱 코일 납땜부(45)와 트랙킹 코일 납땜부를 통해서 트랙킹 조정코일(44) 및 포커싱 조정코일(43)의 저항을 측정하는 저항측정부재(50)와, 상기 저항측정부재(50)에서 측정된 저항값을 서로 비교 판단하고, 비교 판단된 저항값을 외부에서 알아 볼 수 있도록 표시해주는 저항값 비교판단표시부(80)로 구성된 것을 특징으로 하는 광픽업 액츄에이터의 코일저항 측정장치.An objective lens holder including a coil PCB 41 installed inside a square hole of the focusing adjustment coil 43 and the tracking adjustment coil 44, and having a focusing coil soldering portion 45 and a tracking coil soldering portion 42 formed at a side surface thereof. In (40), the objective lens holder (40) is placed on the upper part, and the resistance of the tracking adjustment coil (44) and the focusing adjustment coil (43) is measured through the focusing coil soldering portion 45 and the tracking coil soldering portion. The resistance measuring member 50 and the resistance value measured by the resistance measuring member 50 are compared with each other, and the resistance value comparison determination display unit 80 is configured to display the resistance value determined to be compared from the outside. An apparatus for measuring coil resistance of an optical pickup actuator. 제1항에 있어서, 상기 저항측정부재(50)는 코일PCB(41)가 안치되는 안치홈(54)이 형성되고, 코일PCB(41)의 후방부를 잡아주는 고정홈(52)이 형성된 저항측정지그(57)와, 상기 저항측정지그(57)의 안치홈(54) 양측 벽면으로 돌출되는 포커싱 이동 접점(51a) 및 트랙킹 이동접점(52a)이 상기 코일PCB(41)의 포커싱 코일 납땜부(45)와 트랙킹 코일 납땜부(42)에 접촉되도록 수평으로 슬라이딩 되는 포커싱 이동체(51) 및 트랙킹 이동체(52)와, 상기 포커싱 이동체(51) 및 트랙킹 이동체(52)를 수평으로 밀어주기 위해 포커싱 트랙킹 이동체(51)(52)의 배면에 설치된 복수개의 탄성 스프링(55)(56)과, 상기 포커싱 이동체(51) 및 트랙킹 이동체(52)의 배면에 결합되어 있고, 상기 저항측정지그(51)의 전선 인출공(53)으로 인출되어 저항값 비교판단표시부(80)로 연결되는 포커싱 전선(60) 및 트랙킹 전선(70)으로 구성된 것을 특징으로 하는 광픽업 액츄에이터의 코일 저항 측정장치.The resistance measurement member of claim 1, wherein the resistance measuring member (50) is formed with a settling groove (54) on which the coil PCB (41) is placed, and the resistance measurement with a fixing groove (52) for holding a rear portion of the coil PCB (41) is formed. A jig 57, a focusing movement contact 51a and a tracking movement contact 52a protruding from both side walls of the settling groove 54 of the resistance measuring jig 57 are soldered to the focusing coil of the coil PCB 41. 45 and the focusing moving body 51 and the tracking moving body 52 which slide horizontally in contact with the tracking coil solder 42, and the focusing tracking to push the focusing moving body 51 and the tracking moving body 52 horizontally. A plurality of elastic springs 55 and 56 provided on the rear surfaces of the movable bodies 51 and 52, and coupled to the rear surfaces of the focusing movable body 51 and the tracking movable body 52, and the resistance measuring jig 51 The focusing wire 60 and the wire which are drawn out to the wire lead-out hole 53 and connected to the resistance value determination display unit 80. Coil resistance measuring device of the optical pickup actuator, characterized in that consists of a king wire (70). 제2항에 있어서, 상기 포커싱이동접점(51a) 및 트랙킹 이동접점(52a)의 끝단부는 코일PCB(41)의 포커싱 코일 납땜부(45) 및 트랙킹 코일 납땜부(42)에 접촉되기 용이하도록 둥근 형상으로 구성된 것을 특징으로 하는 광픽업 액츄에이터의 코일 저항 측정장치.The end portions of the focusing movement contact 51a and the tracking movement contact 52a are rounded so as to be in contact with the focusing coil solder 45 and the tracking coil solder 42 of the coil PCB 41. Coil resistance measuring device of the optical pickup actuator, characterized in that configured in the shape. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950037979A 1995-10-30 1995-10-30 Coil resistance measurement apparatus for optical pick up actuator KR0158823B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950037979A KR0158823B1 (en) 1995-10-30 1995-10-30 Coil resistance measurement apparatus for optical pick up actuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950037979A KR0158823B1 (en) 1995-10-30 1995-10-30 Coil resistance measurement apparatus for optical pick up actuator

Publications (2)

Publication Number Publication Date
KR970022329A true KR970022329A (en) 1997-05-28
KR0158823B1 KR0158823B1 (en) 1999-03-20

Family

ID=19431854

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950037979A KR0158823B1 (en) 1995-10-30 1995-10-30 Coil resistance measurement apparatus for optical pick up actuator

Country Status (1)

Country Link
KR (1) KR0158823B1 (en)

Also Published As

Publication number Publication date
KR0158823B1 (en) 1999-03-20

Similar Documents

Publication Publication Date Title
KR930022065A (en) Auto ranger
HUP0300016A2 (en) Optical pickup actuator
US4687296A (en) Optical pickup
KR900016963A (en) Objective driving device for optical recording and reading device
JPS63268130A (en) Photodetector adjusting mechanism
KR0178009B1 (en) Coil arrangement for a focusing or track control circuit
KR950020476A (en) Objective lens drive and coil bobbin
KR970022329A (en) Coil resistance measuring device of optical pickup actuator
US6246531B1 (en) Optical pickup for enabling accurate measurement of various characteristics thereof without increasing the number or parts
US7292508B2 (en) Optical pick-up device with respective flush screws eccentrically positioned between an actuator base and a magnetic holder, together between a printed-circuit board and a support member
US2808761A (en) Comparison magnifier
KR890001469B1 (en) Switch
JPS61120351A (en) Light detector adjusting mechanism
SU1499096A1 (en) Device for measuring outside dimensions
JPS63274872A (en) Supporting structure for pendulum of servo accelerometer
KR970076550A (en) Tracking Coil Assembly Jig for Optical Pickup Actuator
KR970050364A (en) Inclination measuring fixture of objective lens for optical pickup actuator
JP2007298421A (en) Device for driving optical system
SU1629747A1 (en) Pick-up of linear displacements
KR970076568A (en) Pick-up Base Measuring Sphere
JPS609690Y2 (en) Measuring device
KR19990036714U (en) Dimensional measuring jig of coil PCB for optical pickup actuator
JPH0329723Y2 (en)
JPH05342606A (en) Driving device for objective lens
CA1043144A (en) Fine focus assembly for optical instruments

Legal Events

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

Payment date: 20010730

Year of fee payment: 4

LAPS Lapse due to unpaid annual fee