JPH02111812U - - Google Patents

Info

Publication number
JPH02111812U
JPH02111812U JP2018789U JP2018789U JPH02111812U JP H02111812 U JPH02111812 U JP H02111812U JP 2018789 U JP2018789 U JP 2018789U JP 2018789 U JP2018789 U JP 2018789U JP H02111812 U JPH02111812 U JP H02111812U
Authority
JP
Japan
Prior art keywords
phase
spatial filter
sine wave
electrical signal
photodetection
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
JP2018789U
Other languages
English (en)
Japanese (ja)
Other versions
JP2500174Y2 (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 JP1989020187U priority Critical patent/JP2500174Y2/ja
Publication of JPH02111812U publication Critical patent/JPH02111812U/ja
Application granted granted Critical
Publication of JP2500174Y2 publication Critical patent/JP2500174Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Measurement Of Distances Traversed On The Ground (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
JP1989020187U 1989-02-27 1989-02-27 空間フィルタによる距離測定装置 Expired - Lifetime JP2500174Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989020187U JP2500174Y2 (ja) 1989-02-27 1989-02-27 空間フィルタによる距離測定装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989020187U JP2500174Y2 (ja) 1989-02-27 1989-02-27 空間フィルタによる距離測定装置

Publications (2)

Publication Number Publication Date
JPH02111812U true JPH02111812U (enrdf_load_stackoverflow) 1990-09-06
JP2500174Y2 JP2500174Y2 (ja) 1996-06-05

Family

ID=31236339

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989020187U Expired - Lifetime JP2500174Y2 (ja) 1989-02-27 1989-02-27 空間フィルタによる距離測定装置

Country Status (1)

Country Link
JP (1) JP2500174Y2 (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6136161A (ja) * 1984-07-30 1986-02-20 株式会社アイジー技術研究所 長尺陶板の連続製造装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6136161A (ja) * 1984-07-30 1986-02-20 株式会社アイジー技術研究所 長尺陶板の連続製造装置

Also Published As

Publication number Publication date
JP2500174Y2 (ja) 1996-06-05

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