JPH01112409U - - Google Patents

Info

Publication number
JPH01112409U
JPH01112409U JP674588U JP674588U JPH01112409U JP H01112409 U JPH01112409 U JP H01112409U JP 674588 U JP674588 U JP 674588U JP 674588 U JP674588 U JP 674588U JP H01112409 U JPH01112409 U JP H01112409U
Authority
JP
Japan
Prior art keywords
light
mirror
focused spot
predetermined direction
optical system
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.)
Granted
Application number
JP674588U
Other languages
English (en)
Japanese (ja)
Other versions
JPH074496Y2 (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 JP1988006745U priority Critical patent/JPH074496Y2/ja
Publication of JPH01112409U publication Critical patent/JPH01112409U/ja
Application granted granted Critical
Publication of JPH074496Y2 publication Critical patent/JPH074496Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
  • Measurement Of Optical Distance (AREA)
JP1988006745U 1988-01-22 1988-01-22 非接触変位計 Expired - Lifetime JPH074496Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988006745U JPH074496Y2 (ja) 1988-01-22 1988-01-22 非接触変位計

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988006745U JPH074496Y2 (ja) 1988-01-22 1988-01-22 非接触変位計

Publications (2)

Publication Number Publication Date
JPH01112409U true JPH01112409U (enrdf_load_stackoverflow) 1989-07-28
JPH074496Y2 JPH074496Y2 (ja) 1995-02-01

Family

ID=31211171

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988006745U Expired - Lifetime JPH074496Y2 (ja) 1988-01-22 1988-01-22 非接触変位計

Country Status (1)

Country Link
JP (1) JPH074496Y2 (enrdf_load_stackoverflow)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57203911A (en) * 1981-06-10 1982-12-14 Matsushita Electric Ind Co Ltd Signal processing system
JPS61210902A (ja) * 1985-03-15 1986-09-19 Toshiba Corp 試料面高さ測定装置
JPS62283427A (ja) * 1986-06-02 1987-12-09 Mitsubishi Electric Corp 焦点誤差検出装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57203911A (en) * 1981-06-10 1982-12-14 Matsushita Electric Ind Co Ltd Signal processing system
JPS61210902A (ja) * 1985-03-15 1986-09-19 Toshiba Corp 試料面高さ測定装置
JPS62283427A (ja) * 1986-06-02 1987-12-09 Mitsubishi Electric Corp 焦点誤差検出装置

Also Published As

Publication number Publication date
JPH074496Y2 (ja) 1995-02-01

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