KR970007875A - Dual Objective Lens of Wire Type Optical Pickup Actuator - Google Patents

Dual Objective Lens of Wire Type Optical Pickup Actuator Download PDF

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Publication number
KR970007875A
KR970007875A KR1019950022767A KR19950022767A KR970007875A KR 970007875 A KR970007875 A KR 970007875A KR 1019950022767 A KR1019950022767 A KR 1019950022767A KR 19950022767 A KR19950022767 A KR 19950022767A KR 970007875 A KR970007875 A KR 970007875A
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KR
South Korea
Prior art keywords
objective lens
adjustment coil
lens holder
optical pickup
focusing
Prior art date
Application number
KR1019950022767A
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Korean (ko)
Inventor
김미영
Original Assignee
배순훈
대우전자 주식회사
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Publication date
Application filed by 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019950022767A priority Critical patent/KR970007875A/en
Publication of KR970007875A publication Critical patent/KR970007875A/en

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Abstract

본 발명은 와이어타입 광픽업 액츄에이터의 이물 대물렌즈에 관한 것으로서 서보시스템에서 전기적신호를 인가받아 안착된 디스크의 반사면에 촛점을 집속시키는 광픽업 액츄에이터에 있어서, 상기 디스크의 반사면에 각기 다른 촛점을 집속시키는 제1대물렌즈(50) 및 제2대물렌즈(60)와, 상기 제1대물렌즈(50) 및 제2대물렌즈(60)가 각각 대향되어 설치되도록 해주는 제1렌즈공(41) 및 제2렌즈공(42)이 형성된 대물렌즈홀더(40)와, 상기 대물렌즈홀더(40)의 사각형 공간부내면에 부착되어 대물렌즈홀더(40)의 포커싱방향조정을 수행하는 포커싱조정코일(127)과, 상기 포커싱조정코일(127)의 일측면에 부착되어 대물렌즈홀더(40)의 트랙킹방향 조정을 수행하는 트랙킹조정코일(128)과, 상기 대물렌즈홀더(126)내에 설치된 포커싱조정코일(127) 및 트랙킹조정코일(128)이 유동가능하게 끼움 결합되는 내측요오크(121)와, 상기 대물렌즈홀더(40)내의 포커싱조정코일(127) 및 트랙킹조정코일(128)에 반발력을 발생시키는 영구자석(124)이 부착된 하나의 외측요오크(122)와 상기 내,외측 요오크(121)(122)가 설치되도록 해주는 플레이트(70)로 구성된 것을 특징으로 하는 와이어타입 광픽업 액츄에이터의 이중 대물렌즈 인바 0.6㎜와 1.2㎜ 두가지 디스크판을 모두 신속, 정확하게 재생하도록 해주는 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a foreign object lens of a wire type optical pickup actuator, wherein the optical pickup actuator focuses on a reflective surface of a mounted disk by receiving an electrical signal from a servo system. A first objective lens 41 for converging the first objective lens 50 and the second objective lens 60, and the first objective lens 50 and the second objective lens 60, respectively; An objective lens holder 40 having a second lens hole 42 and a focusing adjustment coil 127 attached to an inner surface of a rectangular space of the objective lens holder 40 to adjust the focusing direction of the objective lens holder 40. And a tracking adjustment coil 128 attached to one side of the focusing adjustment coil 127 to adjust the tracking direction of the objective lens holder 40, and a focusing adjustment coil 127 installed in the objective lens holder 126. ) And tracking adjustment coil (128) One inner yoke 121 which is fitted to be movable and a permanent magnet 124 for generating a repulsive force to the focusing adjustment coil 127 and the tracking adjustment coil 128 in the objective lens holder 40 are attached. Dual objective lens Invar 0.6 mm and 1.2 mm two discs of the wire type optical pickup actuator, characterized in that the outer yoke 122 and the plate 70 to allow the inner and outer yoke 121, 122 is installed It allows you to play all the plates quickly and accurately.

Description

와이어터입 광픽업 액츄에이터의 이중 대물렌즈Dual Objective Lens of Wire-Turned Optical Pickup Actuator

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

제3도는 본 발명에 따른 액츄에이터의 분해사시도.3 is an exploded perspective view of the actuator according to the present invention.

Claims (3)

서보시스템에서 전기적신호를 인가받아 안착된 디스크의 반사면에 촛점을 집속시키는 광픽업 액츄에이터에 있어서, 상기 디스크의 반사면에 각기 다른 촛점을 집속시키는 제1대물렌즈(50) 및 제2대물렌즈(60)와, 상기 제1대물렌즈(50) 및 제2대물렌즈(60)가 각각 대향되어 설치되도록 해주는 제1렌즈공(41) 및 제2렌즈공(42)이 형성된 대물렌즈홀더(40)와, 상기 대물렌즈홀더(40)의 사각형 공간부내면에 부착되어 대물렌즈홀더(40)의 포커싱방향조정을 수행하는 포커싱조정코일(127)과, 상기 포커싱조정코일(127)의 일측면에 부착되어 대물렌즈홀더(40)의 트랙킹방향 조정을 수행하는 트랙킹조정코일(128)과, 상기 대물렌즈홀더(40)내에 설치된 포커싱조정코일(127) 및 트랙킹조정코일(128)이 유동가능하게 끼움 결합되는 내측요오크(121)와, 상기 대물렌즈홀더(40)내의 포커싱조정코일(127) 및 트랙킹조정코일(128)에 반발력을 발생시키는 영구자석(124)이 부착된 하나의 외측요오크(122)와 상기 내,외측요오크(121)(122)가 설치되도록 해주는 플레이트(70)로 구성된 것을 특징으로 하는 와이어타입 광픽업 액츄에이터의 이중 대물렌즈.In the optical pickup actuator that focuses on the reflective surface of the disk seated by receiving an electrical signal from the servo system, the first objective lens 50 and the second objective lens for focusing different focus on the reflective surface of the disk ( 60 and the objective lens holder 40 in which the first lens hole 41 and the second lens hole 42 are formed so that the first objective lens 50 and the second objective lens 60 face each other. And a focusing adjustment coil 127 attached to an inner surface of the rectangular space of the objective lens holder 40 to adjust the focusing direction of the objective lens holder 40, and attached to one side of the focusing adjustment coil 127. The tracking adjustment coil 128, which performs the tracking direction adjustment of the objective lens holder 40, and the focusing adjustment coil 127 and the tracking adjustment coil 128 installed in the objective lens holder 40 are fitted in a fluid manner. The inner yoke 121 and the objective lens holder 40 One outer yoke 122 and one inner and outer yoke 121 and 122 having a permanent magnet 124 attached to the cushing adjustment coil 127 and the tracking adjustment coil 128 are provided. Dual objective lens of the wire type optical pickup actuator, characterized in that consisting of a plate (70). 제1항에 있어서, 상기 제1대물렌즈(50) 및 상기 제2대물렌즈(60)는 각각 0.6㎜와 1.2㎜디스크중에 하나의 디스크에 선택적으로 촛점을 집속시키도록 구성된 것을 특징으로 하는 와이어타입 광픽업 액츄에이터의 이중 대물렌즈.2. The wire type according to claim 1, wherein the first objective lens 50 and the second objective lens 60 are configured to selectively focus on one of the 0.6 mm and 1.2 mm discs, respectively. Dual objective with optical pickup actuators. 제1항에 있어서, 상기 플레이트(20)에 레이저가 통과하는 제1레이저 통과공(71)과 제2레이저통과공(72)이 각각 형성되는 것을 특징으로 하는 광픽업 액츄에이터의 이중 대물렌즈.The dual objective lens of claim 1, wherein a first laser through hole (71) and a second laser through hole (72) through which a laser passes are formed in the plate (20). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950022767A 1995-07-28 1995-07-28 Dual Objective Lens of Wire Type Optical Pickup Actuator KR970007875A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950022767A KR970007875A (en) 1995-07-28 1995-07-28 Dual Objective Lens of Wire Type Optical Pickup Actuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950022767A KR970007875A (en) 1995-07-28 1995-07-28 Dual Objective Lens of Wire Type Optical Pickup Actuator

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KR970007875A true KR970007875A (en) 1997-02-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100570962B1 (en) * 1999-12-10 2006-04-14 엘지전자 주식회사 Actuator for Optical Pickup

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100570962B1 (en) * 1999-12-10 2006-04-14 엘지전자 주식회사 Actuator for Optical Pickup

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