KR880009266A - Beam Position Measuring Circuit of Laser Pickup Receiver - Google Patents

Beam Position Measuring Circuit of Laser Pickup Receiver Download PDF

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Publication number
KR880009266A
KR880009266A KR870000176A KR870000176A KR880009266A KR 880009266 A KR880009266 A KR 880009266A KR 870000176 A KR870000176 A KR 870000176A KR 870000176 A KR870000176 A KR 870000176A KR 880009266 A KR880009266 A KR 880009266A
Authority
KR
South Korea
Prior art keywords
output
axis
laser pickup
measuring circuit
beam position
Prior art date
Application number
KR870000176A
Other languages
Korean (ko)
Other versions
KR890005282B1 (en
Inventor
신승열
Original Assignee
이동복
삼성정밀 공업 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 이동복, 삼성정밀 공업 주식회사 filed Critical 이동복
Priority to KR1019870000176A priority Critical patent/KR890005282B1/en
Publication of KR880009266A publication Critical patent/KR880009266A/en
Application granted granted Critical
Publication of KR890005282B1 publication Critical patent/KR890005282B1/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Head (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

내용 없음.No content.

Description

레이저 픽업 수광소자의 빔 위치 측정회로Beam Position Measuring Circuit of Laser Pickup Receiver

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

제3도는 수광 소자상에서의 여러 형태의 빔 위치.3 shows various types of beam positions on the light receiving element.

제4도는 본 발명의 회로도.4 is a circuit diagram of the present invention.

Claims (1)

레이저 픽업 수광소자(1)의 빔 위치를 측정함에 있어서, 전류전압변환부(2)의 출력을 입력으로 하여 빔 파워를 발생시키는 저항(R11-R15)과 콘덴서(C3)와 연산증폭기(OP3)로 구성되는 빔 파워 발생부(7)와, X축 전치 증폭기(3)의 출력과 빔 파워 발생부(7)의 출력을 입력으로 하여 출력신호(VO1)를 X축의 노말화된 위치값으로 출력하는 저항(R16-R22)과 수광소자(8)와 연산증폭기(OP4-OP6)로 구성되는 X축 증폭부(5)와, Y축 전치 증폭부(4)의 출력과 빔 파워 발생부(7)의 출력을 입력으로 하여 출력신호(VO2)를 Y축의 노말화된 위치값으로 출력하는 저항(R23-R29)과 수광소자(9)와 연산 증폭기(OP7-OP9)로 구성되는 Y축 증폭부(6)를 포함하여 이루어지는 것을 특징으로 하는 레이저 픽업 수광 소자의 빔 위치 측정회로.In measuring the beam position of the laser pickup light-receiving element 1, a resistor R 11 -R 15 , a capacitor C 3 , and an operational amplifier that generate beam power by using the output of the current voltage converter 2 as an input. The output signal VO 1 is normalized on the X-axis by inputting the beam power generator 7 composed of (OP 3 ), the output of the X-axis preamplifier 3, and the output of the beam power generator 7. X-axis amplifier 5 and Y-axis preamplifier 4, each of which is composed of a resistor R 16 -R 22 outputting at a predetermined position value, a light receiving element 8, and an operational amplifier OP 4 -OP 6 . Resistors R 23 to R 29 , light receiving elements 9, and operational amplifiers for outputting the output signal VO 2 to the normalized position value of the Y-axis by using the output of the power and the output of the beam power generator 7 as inputs. A beam position measuring circuit of a laser pickup light receiving element, characterized in that it comprises a Y-axis amplifier (6) composed of (OP 7 -OP 9 ). ※ 참고사항 : 최초출된 내용에 의하여 공개하는 것임.※ Note: It is to be disclosed based on the original contents.
KR1019870000176A 1987-01-12 1987-01-12 Raser pick-up receiving measuring circuit KR890005282B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019870000176A KR890005282B1 (en) 1987-01-12 1987-01-12 Raser pick-up receiving measuring circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019870000176A KR890005282B1 (en) 1987-01-12 1987-01-12 Raser pick-up receiving measuring circuit

Publications (2)

Publication Number Publication Date
KR880009266A true KR880009266A (en) 1988-09-14
KR890005282B1 KR890005282B1 (en) 1989-12-20

Family

ID=19258927

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870000176A KR890005282B1 (en) 1987-01-12 1987-01-12 Raser pick-up receiving measuring circuit

Country Status (1)

Country Link
KR (1) KR890005282B1 (en)

Also Published As

Publication number Publication date
KR890005282B1 (en) 1989-12-20

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