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JPS533224A - Detection of information position - Google Patents

Detection of information position

Info

Publication number
JPS533224A
JPS533224A JP7686076A JP7686076A JPS533224A JP S533224 A JPS533224 A JP S533224A JP 7686076 A JP7686076 A JP 7686076A JP 7686076 A JP7686076 A JP 7686076A JP S533224 A JPS533224 A JP S533224A
Authority
JP
Japan
Prior art keywords
detection
information position
photo
detector
film
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
JP7686076A
Other languages
Japanese (ja)
Inventor
Hiroyoshi Funato
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP7686076A priority Critical patent/JPS533224A/en
Publication of JPS533224A publication Critical patent/JPS533224A/en
Pending legal-status Critical Current

Links

Landscapes

  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

PURPOSE: To prevent the erroneous action of a photo-detector in the micro-film by recording a rectangular mark along a moving direction of the film and detecting the rectangular mark with the photo-detector.
COPYRIGHT: (C)1978,JPO&Japio
JP7686076A 1976-06-29 1976-06-29 Detection of information position Pending JPS533224A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7686076A JPS533224A (en) 1976-06-29 1976-06-29 Detection of information position

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7686076A JPS533224A (en) 1976-06-29 1976-06-29 Detection of information position

Publications (1)

Publication Number Publication Date
JPS533224A true JPS533224A (en) 1978-01-12

Family

ID=13617393

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7686076A Pending JPS533224A (en) 1976-06-29 1976-06-29 Detection of information position

Country Status (1)

Country Link
JP (1) JPS533224A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4874166A (en) * 1971-12-29 1973-10-05

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4874166A (en) * 1971-12-29 1973-10-05

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