JPS5292435A - Optical displacement detecting unit - Google Patents

Optical displacement detecting unit

Info

Publication number
JPS5292435A
JPS5292435A JP847876A JP847876A JPS5292435A JP S5292435 A JPS5292435 A JP S5292435A JP 847876 A JP847876 A JP 847876A JP 847876 A JP847876 A JP 847876A JP S5292435 A JPS5292435 A JP S5292435A
Authority
JP
Japan
Prior art keywords
detecting unit
displacement detecting
optical displacement
taken
picture
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
JP847876A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5640870B2 (OSRAM
Inventor
Akizo Kadota
Koji Fujimoto
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP847876A priority Critical patent/JPS5292435A/ja
Priority to US05/762,716 priority patent/US4136332A/en
Publication of JPS5292435A publication Critical patent/JPS5292435A/ja
Publication of JPS5640870B2 publication Critical patent/JPS5640870B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Character Input (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP847876A 1976-01-30 1976-01-30 Optical displacement detecting unit Granted JPS5292435A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP847876A JPS5292435A (en) 1976-01-30 1976-01-30 Optical displacement detecting unit
US05/762,716 US4136332A (en) 1976-01-30 1977-01-26 Device for detecting displacement between patterns

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP847876A JPS5292435A (en) 1976-01-30 1976-01-30 Optical displacement detecting unit

Publications (2)

Publication Number Publication Date
JPS5292435A true JPS5292435A (en) 1977-08-03
JPS5640870B2 JPS5640870B2 (OSRAM) 1981-09-24

Family

ID=11694208

Family Applications (1)

Application Number Title Priority Date Filing Date
JP847876A Granted JPS5292435A (en) 1976-01-30 1976-01-30 Optical displacement detecting unit

Country Status (1)

Country Link
JP (1) JPS5292435A (OSRAM)

Also Published As

Publication number Publication date
JPS5640870B2 (OSRAM) 1981-09-24

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