ES2033720T3 - Dispositivo para el control de calidad de hologramas. - Google Patents

Dispositivo para el control de calidad de hologramas.

Info

Publication number
ES2033720T3
ES2033720T3 ES198787106239T ES87106239T ES2033720T3 ES 2033720 T3 ES2033720 T3 ES 2033720T3 ES 198787106239 T ES198787106239 T ES 198787106239T ES 87106239 T ES87106239 T ES 87106239T ES 2033720 T3 ES2033720 T3 ES 2033720T3
Authority
ES
Spain
Prior art keywords
sensor
holograms
quality control
hologram
source
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 - Lifetime
Application number
ES198787106239T
Other languages
English (en)
Inventor
Bruno Fabbiani
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of ES2033720T3 publication Critical patent/ES2033720T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • 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
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2286—Particular reconstruction light ; Beam properties
    • 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
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2202—Reconstruction geometries or arrangements
    • G03H2001/2244—Means for detecting or recording the holobject
    • G03H2001/2247—Means for detecting or recording the holobject for testing the hologram or holobject
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2227/00—Mechanical components or mechanical aspects not otherwise provided for
    • G03H2227/05—Support holding the holographic record
    • G03H2227/06—Support including light source

Abstract

EL DISPOSITIVO (1) CONSISTE, ESENCIALMENTE, DE UNA ARMADURA (3) DISEÑADA PARA SOPORTAR EL HOLOGRAMA (2), AL MENOS UNA FUENTE (4) DE RADIACION ELECTROMAGNETICA, AL MENOS UN SENSOR (5) Y UNA UNIDAD DE PROCESO (6) QUE, EN AL MENOS UNA POSICION RELATIVA PREDETERMINADA ASUMIDA POR LA ESTRUCTURA (3), LA FUENTE (4) Y EL SENSOR (5), VERIFICA QUE LAS SEÑALES ELECTRICAS EMITIDAS POR EL SENSOR (5) Y DEPENDIENTES DE LA RADIACION ASOCIADA CON UNA PARTE DE LA IMAGEN RECONSTRUIDA DEL HOLOGRAMA (2) CORRESPONDEN CON LAS SEÑALES ELECTRICAS PREVIAMENTE ALMACENADAS EN LA MEMORIA DE LA UNIDAD DE PROCESO (6)
ES198787106239T 1986-04-30 1987-04-29 Dispositivo para el control de calidad de hologramas. Expired - Lifetime ES2033720T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8667358A IT1207345B (it) 1986-04-30 1986-04-30 Dispositivo per il controllo qualitativo di ologrammi

Publications (1)

Publication Number Publication Date
ES2033720T3 true ES2033720T3 (es) 1993-04-01

Family

ID=11301731

Family Applications (1)

Application Number Title Priority Date Filing Date
ES198787106239T Expired - Lifetime ES2033720T3 (es) 1986-04-30 1987-04-29 Dispositivo para el control de calidad de hologramas.

Country Status (6)

Country Link
US (1) US4802758A (es)
EP (1) EP0243949B1 (es)
AT (1) ATE79188T1 (es)
DE (1) DE3780853T2 (es)
ES (1) ES2033720T3 (es)
IT (1) IT1207345B (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4936655A (en) * 1988-07-07 1990-06-26 Grumman Aerospace Corporation Alignment fixture for an optical instrument
US4993809A (en) * 1988-10-07 1991-02-19 Grumman Aerospace Corporation Mounting fixture for an optical instrument
FR2649225B1 (fr) * 1989-07-03 1991-09-13 Centre Nat Rech Scient Procede d'acquisition de donnees bidimensionnelles par un systeme informatique
US5109289A (en) * 1990-11-23 1992-04-28 Xerox Corporation Holographic display with programmable area highlighting
US6092728A (en) * 1992-03-30 2000-07-25 Symbol Technologies, Inc. Miniature laser diode focusing module using micro-optics
US5444225A (en) * 1992-03-31 1995-08-22 Dai Nippon Printing Co., Ltd. System and process for reading hologram code, hologram and card containing hologram
US5900954A (en) * 1992-06-01 1999-05-04 Symbol Technologies, Inc. Machine readable record carrier with hologram
US5464690A (en) * 1994-04-04 1995-11-07 Novavision, Inc. Holographic document and method for forming
US6335972B1 (en) 1997-05-23 2002-01-01 International Business Machines Corporation Framework-based cryptographic key recovery system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3643216A (en) * 1968-08-06 1972-02-15 Rca Corp Holographic identification system
BE756909A (fr) * 1969-09-30 1971-03-01 Rca Corp Appareil holographique
US3617126A (en) * 1969-11-10 1971-11-02 Jodon Engineering Associates Repositioning apparatus for photographic plates
DE2016815C3 (de) * 1970-04-08 1973-10-11 Siemens Ag, 1000 Berlin U. 8000 Muenchen Holographisches Justierverfahren und Anordnungen hierzu
US3583784A (en) * 1970-06-17 1971-06-08 Us Navy Hologram manipulator
US4030830A (en) * 1976-01-05 1977-06-21 Atlantic Research Corporation Process and apparatus for sensing defects on a smooth surface
US4288164A (en) * 1979-07-19 1981-09-08 Republic Steel Corporation Method and apparatus for viewing glowing objects
US4264192A (en) * 1979-10-22 1981-04-28 Robb Maurice R System for pre-stripping alignment of color separations

Also Published As

Publication number Publication date
EP0243949B1 (en) 1992-08-05
EP0243949A2 (en) 1987-11-04
IT8667358A0 (it) 1986-04-30
DE3780853D1 (de) 1992-09-10
IT1207345B (it) 1989-05-17
EP0243949A3 (en) 1989-07-26
US4802758A (en) 1989-02-07
ATE79188T1 (de) 1992-08-15
DE3780853T2 (de) 1993-01-07

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