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JPS5342750A - Hologram reader - Google Patents

Hologram reader

Info

Publication number
JPS5342750A
JPS5342750A JP11689976A JP11689976A JPS5342750A JP S5342750 A JPS5342750 A JP S5342750A JP 11689976 A JP11689976 A JP 11689976A JP 11689976 A JP11689976 A JP 11689976A JP S5342750 A JPS5342750 A JP S5342750A
Authority
JP
Japan
Prior art keywords
hologram reader
image information
read
picture image
hologram
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
JP11689976A
Other languages
Japanese (ja)
Inventor
Michiharu Abe
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 JP11689976A priority Critical patent/JPS5342750A/en
Priority to US05/837,493 priority patent/US4149269A/en
Publication of JPS5342750A publication Critical patent/JPS5342750A/en
Pending legal-status Critical Current

Links

Landscapes

  • Holo Graphy (AREA)

Abstract

PURPOSE: To read picture image information without errors with one detector by starting reading after judgement for desired one or not is made concerning the two-dimensional picture image information having been read through selective reproduction.
COPYRIGHT: (C)1978,JPO&Japio
JP11689976A 1976-09-29 1976-09-29 Hologram reader Pending JPS5342750A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP11689976A JPS5342750A (en) 1976-09-29 1976-09-29 Hologram reader
US05/837,493 US4149269A (en) 1976-09-29 1977-09-28 Holographic reading apparatus with an area identification and density reference scan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11689976A JPS5342750A (en) 1976-09-29 1976-09-29 Hologram reader

Publications (1)

Publication Number Publication Date
JPS5342750A true JPS5342750A (en) 1978-04-18

Family

ID=14698385

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11689976A Pending JPS5342750A (en) 1976-09-29 1976-09-29 Hologram reader

Country Status (1)

Country Link
JP (1) JPS5342750A (en)

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