JPH02132322U - - Google Patents

Info

Publication number
JPH02132322U
JPH02132322U JP3869789U JP3869789U JPH02132322U JP H02132322 U JPH02132322 U JP H02132322U JP 3869789 U JP3869789 U JP 3869789U JP 3869789 U JP3869789 U JP 3869789U JP H02132322 U JPH02132322 U JP H02132322U
Authority
JP
Japan
Prior art keywords
optical
optical head
laser
optical disk
disk
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP3869789U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP3869789U priority Critical patent/JPH02132322U/ja
Publication of JPH02132322U publication Critical patent/JPH02132322U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Head (AREA)
JP3869789U 1989-03-31 1989-03-31 Pending JPH02132322U (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3869789U JPH02132322U (en]) 1989-03-31 1989-03-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3869789U JPH02132322U (en]) 1989-03-31 1989-03-31

Publications (1)

Publication Number Publication Date
JPH02132322U true JPH02132322U (en]) 1990-11-02

Family

ID=31546938

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3869789U Pending JPH02132322U (en]) 1989-03-31 1989-03-31

Country Status (1)

Country Link
JP (1) JPH02132322U (en])

Similar Documents

Publication Publication Date Title
JPH11281582A (ja) 表面検査装置
US4124302A (en) Device for photometering a substance placed in a cylinder-shaped cell
JPH02132322U (en])
KR880014364A (ko) 무기질원소 농도 측정장치
JPH02144132U (en])
JP2001249003A (ja) 光干渉装置及び位置検出装置
US20020027664A1 (en) Method and apparatus for optical position detection
JPH07182666A (ja) 光ピックアップシステム
JPH11281583A (ja) 表面検査装置
JPH0517528B2 (en])
US4523842A (en) Asperic surface test fixture
US7593308B2 (en) Optical head device capable of detecting the output laser beam
JPH0666928A (ja) 光センシング装置
JP2874288B2 (ja) 紫外線吸収検出器
JPH07182665A (ja) 光ピックアップシステム
JPS59119628A (ja) 反射形光電スイツチ
SU1204986A1 (ru) Устройство дл контрол качества объективов
SU951070A1 (ru) Устройство дл контрол качества поверхности деталей
JP2578104Y2 (ja) 放射温度計
SU1456777A1 (ru) Устройство дл контрол шероховатости поверхности
KR0125963B1 (ko) 광디스크용 픽업 광학계
SU1657947A1 (ru) Интерферометр дл контрол асферических поверхностей второго пор дка
SU934219A2 (ru) Устройство дл контрол качества обработки отверстий деталей
JP2815808B2 (ja) 放射温度計
JPH02165053A (ja) 空間フイルタ方式速度測定装置