JPH0128430B2 - - Google Patents

Info

Publication number
JPH0128430B2
JPH0128430B2 JP56148200A JP14820081A JPH0128430B2 JP H0128430 B2 JPH0128430 B2 JP H0128430B2 JP 56148200 A JP56148200 A JP 56148200A JP 14820081 A JP14820081 A JP 14820081A JP H0128430 B2 JPH0128430 B2 JP H0128430B2
Authority
JP
Japan
Prior art keywords
hologram
card
regular
detector
direct reflection
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.)
Expired
Application number
JP56148200A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5850074A (ja
Inventor
Isao Yamaoka
Hideo Takahashi
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.)
Anritsu Corp
Original Assignee
Anritsu Corp
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 Anritsu Corp filed Critical Anritsu Corp
Priority to JP14820081A priority Critical patent/JPS5850074A/ja
Publication of JPS5850074A publication Critical patent/JPS5850074A/ja
Publication of JPH0128430B2 publication Critical patent/JPH0128430B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/18—Particular processing of hologram record carriers, e.g. for obtaining blazed holograms
    • G03H1/182—Post-exposure processing, e.g. latensification
    • G03H2001/183—Erasing the holographic information
    • G03H2001/184—Partially erasing

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Holo Graphy (AREA)
JP14820081A 1981-09-19 1981-09-19 ホログラムカ−ド読取り・破壊装置 Granted JPS5850074A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14820081A JPS5850074A (ja) 1981-09-19 1981-09-19 ホログラムカ−ド読取り・破壊装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14820081A JPS5850074A (ja) 1981-09-19 1981-09-19 ホログラムカ−ド読取り・破壊装置

Publications (2)

Publication Number Publication Date
JPS5850074A JPS5850074A (ja) 1983-03-24
JPH0128430B2 true JPH0128430B2 (it) 1989-06-02

Family

ID=15447492

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14820081A Granted JPS5850074A (ja) 1981-09-19 1981-09-19 ホログラムカ−ド読取り・破壊装置

Country Status (1)

Country Link
JP (1) JPS5850074A (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0818471B2 (ja) * 1987-02-24 1996-02-28 大日本印刷株式会社 反射型ホログラムシ−ト付カ−ド

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5223232A (en) * 1975-08-14 1977-02-22 Landis & Gyr Ag Device for storing and reading genuine information
JPS5250250A (en) * 1975-10-17 1977-04-22 Siemens Ag Identification card reader

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5223232A (en) * 1975-08-14 1977-02-22 Landis & Gyr Ag Device for storing and reading genuine information
JPS5250250A (en) * 1975-10-17 1977-04-22 Siemens Ag Identification card reader

Also Published As

Publication number Publication date
JPS5850074A (ja) 1983-03-24

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