JPS5397860A - Locating system of fine shift of object - Google Patents

Locating system of fine shift of object

Info

Publication number
JPS5397860A
JPS5397860A JP1229477A JP1229477A JPS5397860A JP S5397860 A JPS5397860 A JP S5397860A JP 1229477 A JP1229477 A JP 1229477A JP 1229477 A JP1229477 A JP 1229477A JP S5397860 A JPS5397860 A JP S5397860A
Authority
JP
Japan
Prior art keywords
locating system
fine shift
shift
fine
projector
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
JP1229477A
Other languages
Japanese (ja)
Inventor
Shigehiko Ueda
Susumu Kashiwa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Furukawa Electric Co Ltd
Original Assignee
Furukawa Electric Co Ltd
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 Furukawa Electric Co Ltd filed Critical Furukawa Electric Co Ltd
Priority to JP1229477A priority Critical patent/JPS5397860A/en
Publication of JPS5397860A publication Critical patent/JPS5397860A/en
Pending legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)

Abstract

PURPOSE: To allow and block the passage of light in response to the overlap and shift resulting from the change in relative positions of an object and a projecting and receiving device thereby to obtain a satisfactory locating signal even for a fine movement by suitably providing two slits plates between a projector and a receiver.
COPYRIGHT: (C)1978,JPO&Japio
JP1229477A 1977-02-07 1977-02-07 Locating system of fine shift of object Pending JPS5397860A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1229477A JPS5397860A (en) 1977-02-07 1977-02-07 Locating system of fine shift of object

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1229477A JPS5397860A (en) 1977-02-07 1977-02-07 Locating system of fine shift of object

Publications (1)

Publication Number Publication Date
JPS5397860A true JPS5397860A (en) 1978-08-26

Family

ID=11801301

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1229477A Pending JPS5397860A (en) 1977-02-07 1977-02-07 Locating system of fine shift of object

Country Status (1)

Country Link
JP (1) JPS5397860A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59170214U (en) * 1983-04-30 1984-11-14 株式会社ベルデックス micro scale
JPS63113907U (en) * 1987-01-19 1988-07-22

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59170214U (en) * 1983-04-30 1984-11-14 株式会社ベルデックス micro scale
JPS63113907U (en) * 1987-01-19 1988-07-22

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